array(40) { [0]=> array(3) { ["Question"]=> array(3) { ["test_id"]=> string(1) "4" ["ques_text"]=> string(57) "

The effect of hydrogen bonding is greatest in

" ["question_id"]=> string(2) "23" } ["Option"]=> array(4) { [0]=> array(3) { ["option_id"]=> string(2) "89" ["question_id"]=> string(2) "23" ["opt_desc"]=> string(14) "

HF

" } [1]=> array(3) { ["option_id"]=> string(2) "90" ["question_id"]=> string(2) "23" ["opt_desc"]=> string(26) "

NH3

" } [2]=> array(3) { ["option_id"]=> string(2) "91" ["question_id"]=> string(2) "23" ["opt_desc"]=> string(40) "

CH3NH2

" } [3]=> array(3) { ["option_id"]=> string(2) "92" ["question_id"]=> string(2) "23" ["opt_desc"]=> string(26) "

H2O

" } } ["Answer"]=> array(1) { [0]=> array(3) { ["answer_id"]=> string(2) "26" ["question_id"]=> string(2) "23" ["option_id"]=> string(2) "89" } } } [1]=> array(3) { ["Question"]=> array(3) { ["test_id"]=> string(1) "9" ["ques_text"]=> string(34) "

Water can be tested by

" ["question_id"]=> string(3) "111" } ["Option"]=> array(4) { [0]=> array(3) { ["option_id"]=> string(3) "441" ["question_id"]=> string(3) "111" ["opt_desc"]=> string(17) "

Smell

" } [1]=> array(3) { ["option_id"]=> string(3) "442" ["question_id"]=> string(3) "111" ["opt_desc"]=> string(17) "

Taste

" } [2]=> array(3) { ["option_id"]=> string(3) "443" ["question_id"]=> string(3) "111" ["opt_desc"]=> string(37) "

Hydrated CuSO4

" } [3]=> array(3) { ["option_id"]=> string(3) "444" ["question_id"]=> string(3) "111" ["opt_desc"]=> string(66) "

Anhydrous CoCI3(blue) which changes to pink

" } } ["Answer"]=> array(1) { [0]=> array(3) { ["answer_id"]=> string(3) "114" ["question_id"]=> string(3) "111" ["option_id"]=> string(3) "444" } } } [2]=> array(3) { ["Question"]=> array(3) { ["test_id"]=> string(2) "51" ["ques_text"]=> string(103) "

The fruit is chambered, developed from inferior ovary and has seeds with succulent testa in

" ["question_id"]=> string(3) "525" } ["Option"]=> array(4) { [0]=> array(3) { ["option_id"]=> string(4) "2085" ["question_id"]=> string(3) "525" ["opt_desc"]=> string(20) "

Cucumber

" } [1]=> array(3) { ["option_id"]=> string(4) "2086" ["question_id"]=> string(3) "525" ["opt_desc"]=> string(18) "

Orange

" } [2]=> array(3) { ["option_id"]=> string(4) "2087" ["question_id"]=> string(3) "525" ["opt_desc"]=> string(23) "

Pomegranate

" } [3]=> array(3) { ["option_id"]=> string(4) "2088" ["question_id"]=> string(3) "525" ["opt_desc"]=> string(17) "

Guava

" } } ["Answer"]=> array(1) { [0]=> array(3) { ["answer_id"]=> string(3) "540" ["question_id"]=> string(3) "525" ["option_id"]=> string(4) "2087" } } } [3]=> array(3) { ["Question"]=> array(3) { ["test_id"]=> string(2) "52" ["ques_text"]=> string(65) "

Cotyledons and testa respectively are edible parts in

" ["question_id"]=> string(3) "539" } ["Option"]=> array(4) { [0]=> array(3) { ["option_id"]=> string(4) "2141" ["question_id"]=> string(3) "539" ["opt_desc"]=> string(33) "

Cashew nut and litchi

" } [1]=> array(3) { ["option_id"]=> string(4) "2142" ["question_id"]=> string(3) "539" ["opt_desc"]=> string(37) "

Groundnut and pomegranate

" } [2]=> array(3) { ["option_id"]=> string(4) "2143" ["question_id"]=> string(3) "539" ["opt_desc"]=> string(31) "

Walnut and tamarind

" } [3]=> array(3) { ["option_id"]=> string(4) "2144" ["question_id"]=> string(3) "539" ["opt_desc"]=> string(35) "

French bean and coconut

" } } ["Answer"]=> array(1) { [0]=> array(3) { ["answer_id"]=> string(3) "554" ["question_id"]=> string(3) "539" ["option_id"]=> string(4) "2142" } } } [4]=> array(3) { ["Question"]=> array(3) { ["test_id"]=> string(2) "59" ["ques_text"]=> string(75) "

Which cells present in mammalian testes help to nourish sperms?

" ["question_id"]=> string(3) "634" } ["Option"]=> array(4) { [0]=> array(3) { ["option_id"]=> string(4) "2509" ["question_id"]=> string(3) "634" ["opt_desc"]=> string(40) "

Cells of germinal epithelium

" } [1]=> array(3) { ["option_id"]=> string(4) "2510" ["question_id"]=> string(3) "634" ["opt_desc"]=> string(24) "

Leydig cells

" } [2]=> array(3) { ["option_id"]=> string(4) "2511" ["question_id"]=> string(3) "634" ["opt_desc"]=> string(30) "

Interstitial cells

" } [3]=> array(3) { ["option_id"]=> string(4) "2512" ["question_id"]=> string(3) "634" ["opt_desc"]=> string(25) "

Sertoli cells

" } } ["Answer"]=> array(1) { [0]=> array(3) { ["answer_id"]=> string(3) "657" ["question_id"]=> string(3) "634" ["option_id"]=> string(4) "2512" } } } [5]=> array(3) { ["Question"]=> array(3) { ["test_id"]=> string(2) "60" ["ques_text"]=> string(52) "

The shortest phase in menstrual cycle is

" ["question_id"]=> string(3) "645" } ["Option"]=> array(4) { [0]=> array(3) { ["option_id"]=> string(4) "2553" ["question_id"]=> string(3) "645" ["opt_desc"]=> string(27) "

Menstrual phase

" } [1]=> array(3) { ["option_id"]=> string(4) "2554" ["question_id"]=> string(3) "645" ["opt_desc"]=> string(27) "

Secretory phase

" } [2]=> array(3) { ["option_id"]=> string(4) "2555" ["question_id"]=> string(3) "645" ["opt_desc"]=> string(27) "

Ovulatory phase

" } [3]=> array(3) { ["option_id"]=> string(4) "2556" ["question_id"]=> string(3) "645" ["opt_desc"]=> string(31) "

Proliferative phase

" } } ["Answer"]=> array(1) { [0]=> array(3) { ["answer_id"]=> string(3) "668" ["question_id"]=> string(3) "645" ["option_id"]=> string(4) "2555" } } } [6]=> array(3) { ["Question"]=> array(3) { ["test_id"]=> string(2) "63" ["ques_text"]=> string(105) "

In a dihybrid test cross, the proportion of individuals showing recessive phenotypes would be

" ["question_id"]=> string(3) "687" } ["Option"]=> array(4) { [0]=> array(3) { ["option_id"]=> string(4) "2721" ["question_id"]=> string(3) "687" ["opt_desc"]=> string(16) "

1/16

" } [1]=> array(3) { ["option_id"]=> string(4) "2722" ["question_id"]=> string(3) "687" ["opt_desc"]=> string(16) "

7/16

" } [2]=> array(3) { ["option_id"]=> string(4) "2723" ["question_id"]=> string(3) "687" ["opt_desc"]=> string(15) "

1/4

" } [3]=> array(3) { ["option_id"]=> string(4) "2724" ["question_id"]=> string(3) "687" ["opt_desc"]=> string(15) "

3/4

" } } ["Answer"]=> array(1) { [0]=> array(3) { ["answer_id"]=> string(3) "710" ["question_id"]=> string(3) "687" ["option_id"]=> string(4) "2724" } } } [7]=> array(3) { ["Question"]=> array(3) { ["test_id"]=> string(2) "72" ["ques_text"]=> string(140) "

Which of the solution colligative property can provide molar mass of proteins (or polymers or colloids) with greatest precision?

" ["question_id"]=> string(3) "744" } ["Option"]=> array(4) { [0]=> array(3) { ["option_id"]=> string(4) "2949" ["question_id"]=> string(3) "744" ["opt_desc"]=> string(28) "

Osmotic pressure

" } [1]=> array(3) { ["option_id"]=> string(4) "2950" ["question_id"]=> string(3) "744" ["opt_desc"]=> string(38) "

Elevation in boiling point

" } [2]=> array(3) { ["option_id"]=> string(4) "2951" ["question_id"]=> string(3) "744" ["opt_desc"]=> string(40) "

Depression in freezing point

" } [3]=> array(3) { ["option_id"]=> string(4) "2952" ["question_id"]=> string(3) "744" ["opt_desc"]=> string(48) "

Relative lowering of vapour pressure

" } } ["Answer"]=> array(1) { [0]=> array(3) { ["answer_id"]=> string(3) "767" ["question_id"]=> string(3) "744" ["option_id"]=> string(4) "2949" } } } [8]=> array(3) { ["Question"]=> array(3) { ["test_id"]=> string(3) "101" ["ques_text"]=> string(52) "

Greatest producers of organic matter are

" ["question_id"]=> string(4) "1111" } ["Option"]=> array(4) { [0]=> array(3) { ["option_id"]=> string(4) "4401" ["question_id"]=> string(4) "1111" ["opt_desc"]=> string(23) "

Crop plants

" } [1]=> array(3) { ["option_id"]=> string(4) "4402" ["question_id"]=> string(4) "1111" ["opt_desc"]=> string(19) "

Forests

" } [2]=> array(3) { ["option_id"]=> string(4) "4403" ["question_id"]=> string(4) "1111" ["opt_desc"]=> string(35) "

Plants of the land area

" } [3]=> array(3) { ["option_id"]=> string(4) "4404" ["question_id"]=> string(4) "1111" ["opt_desc"]=> string(35) "

Phytoplankton of oceans

" } } ["Answer"]=> array(1) { [0]=> array(3) { ["answer_id"]=> string(4) "1135" ["question_id"]=> string(4) "1111" ["option_id"]=> string(4) "4404" } } } [9]=> array(3) { ["Question"]=> array(3) { ["test_id"]=> string(3) "103" ["ques_text"]=> string(126) "

In which of the following pairs, there is greatest difference in the oxidation number of the under-lined elements?

" ["question_id"]=> string(4) "1163" } ["Option"]=> array(4) { [0]=> array(3) { ["option_id"]=> string(4) "4609" ["question_id"]=> string(4) "1163" ["opt_desc"]=> string(315) "

NO2 and N2O4

" } [1]=> array(3) { ["option_id"]=> string(4) "4610" ["question_id"]=> string(4) "1163" ["opt_desc"]=> string(339) "

P2O5 and P4O10

" } [2]=> array(3) { ["option_id"]=> string(4) "4611" ["question_id"]=> string(4) "1163" ["opt_desc"]=> string(269) "

N2O and NO

" } [3]=> array(3) { ["option_id"]=> string(4) "4612" ["question_id"]=> string(4) "1163" ["opt_desc"]=> string(337) "

SO2   and SO3 

" } } ["Answer"]=> array(1) { [0]=> array(3) { ["answer_id"]=> string(4) "1187" ["question_id"]=> string(4) "1163" ["option_id"]=> string(4) "4612" } } } [10]=> array(3) { ["Question"]=> array(3) { ["test_id"]=> string(3) "110" ["ques_text"]=> string(51) "

Which of the following is the sweetest?

" ["question_id"]=> string(4) "1218" } ["Option"]=> array(4) { [0]=> array(3) { ["option_id"]=> string(4) "4829" ["question_id"]=> string(4) "1218" ["opt_desc"]=> string(19) "

Glucose

" } [1]=> array(3) { ["option_id"]=> string(4) "4830" ["question_id"]=> string(4) "1218" ["opt_desc"]=> string(20) "

Fructose

" } [2]=> array(3) { ["option_id"]=> string(4) "4831" ["question_id"]=> string(4) "1218" ["opt_desc"]=> string(19) "

Maltose

" } [3]=> array(3) { ["option_id"]=> string(4) "4832" ["question_id"]=> string(4) "1218" ["opt_desc"]=> string(19) "

Sucrose

" } } ["Answer"]=> array(1) { [0]=> array(3) { ["answer_id"]=> string(4) "1244" ["question_id"]=> string(4) "1218" ["option_id"]=> string(4) "4830" } } } [11]=> array(3) { ["Question"]=> array(3) { ["test_id"]=> string(3) "121" ["ques_text"]=> string(73) "

Which of the following has greatest affinity for haemoglobin?

" ["question_id"]=> string(4) "1392" } ["Option"]=> array(4) { [0]=> array(3) { ["option_id"]=> string(4) "5497" ["question_id"]=> string(4) "1392" ["opt_desc"]=> string(14) "

CO

" } [1]=> array(3) { ["option_id"]=> string(4) "5498" ["question_id"]=> string(4) "1392" ["opt_desc"]=> string(14) "

NO

" } [2]=> array(3) { ["option_id"]=> string(4) "5499" ["question_id"]=> string(4) "1392" ["opt_desc"]=> string(25) "

O2

" } [3]=> array(3) { ["option_id"]=> string(4) "5500" ["question_id"]=> string(4) "1392" ["opt_desc"]=> string(26) "

CO2

" } } ["Answer"]=> array(1) { [0]=> array(3) { ["answer_id"]=> string(4) "1425" ["question_id"]=> string(4) "1392" ["option_id"]=> string(4) "5498" } } } [12]=> array(3) { ["Question"]=> array(3) { ["test_id"]=> string(3) "122" ["ques_text"]=> string(73) "

Which of the following has greatest affinity for haemoglobin?

" ["question_id"]=> string(4) "1407" } ["Option"]=> array(4) { [0]=> array(3) { ["option_id"]=> string(4) "5557" ["question_id"]=> string(4) "1407" ["opt_desc"]=> string(14) "

CO

" } [1]=> array(3) { ["option_id"]=> string(4) "5558" ["question_id"]=> string(4) "1407" ["opt_desc"]=> string(14) "

NO

" } [2]=> array(3) { ["option_id"]=> string(4) "5559" ["question_id"]=> string(4) "1407" ["opt_desc"]=> string(25) "

O2

" } [3]=> array(3) { ["option_id"]=> string(4) "5560" ["question_id"]=> string(4) "1407" ["opt_desc"]=> string(26) "

CO2

" } } ["Answer"]=> array(1) { [0]=> array(3) { ["answer_id"]=> string(4) "1440" ["question_id"]=> string(4) "1407" ["option_id"]=> string(4) "5558" } } } [13]=> array(3) { ["Question"]=> array(3) { ["test_id"]=> string(3) "126" ["ques_text"]=> string(197) "

For a real number y, let [y] denotes the greatest integer less than or equal to y. Then, the function f(x) = tan[π(x – π)]/1 + [x2] is [1981, 2M]

" ["question_id"]=> string(4) "1446" } ["Option"]=> array(4) { [0]=> array(3) { ["option_id"]=> string(4) "5713" ["question_id"]=> string(4) "1446" ["opt_desc"]=> string(41) "

 Discontinuous at some x

" } [1]=> array(3) { ["option_id"]=> string(4) "5714" ["question_id"]=> string(4) "1446" ["opt_desc"]=> string(95) "

 Continuous at all x, but the derivative f’(x) does not exist for some x

" } [2]=> array(3) { ["option_id"]=> string(4) "5715" ["question_id"]=> string(4) "1446" ["opt_desc"]=> string(98) "

f’(x) exists for all x, but the derivative f”(x) does not exist for some x

" } [3]=> array(3) { ["option_id"]=> string(4) "5716" ["question_id"]=> string(4) "1446" ["opt_desc"]=> string(46) "

 f’(x) exists for all x

" } } ["Answer"]=> array(1) { [0]=> array(3) { ["answer_id"]=> string(4) "1479" ["question_id"]=> string(4) "1446" ["option_id"]=> string(4) "5716" } } } [14]=> array(3) { ["Question"]=> array(3) { ["test_id"]=> string(3) "126" ["ques_text"]=> string(290) "

Let [.] denotes the greatest integer function and f(x) = [tan2 x], then                             [1993, 1M]

" ["question_id"]=> string(4) "1450" } ["Option"]=> array(4) { [0]=> array(3) { ["option_id"]=> string(4) "5729" ["question_id"]=> string(4) "1450" ["opt_desc"]=> string(408) "

limx0fxdoes not exist

" } [1]=> array(3) { ["option_id"]=> string(4) "5730" ["question_id"]=> string(4) "1450" ["opt_desc"]=> string(39) "

f(x) is continuous at x = 0

" } [2]=> array(3) { ["option_id"]=> string(4) "5731" ["question_id"]=> string(4) "1450" ["opt_desc"]=> string(47) "

f(x) is not differentiable at x = 0

" } [3]=> array(3) { ["option_id"]=> string(4) "5732" ["question_id"]=> string(4) "1450" ["opt_desc"]=> string(34) "

 f’ (0) = 1

" } } ["Answer"]=> array(1) { [0]=> array(3) { ["answer_id"]=> string(4) "1483" ["question_id"]=> string(4) "1450" ["option_id"]=> string(4) "5730" } } } [15]=> array(3) { ["Question"]=> array(3) { ["test_id"]=> string(3) "127" ["ques_text"]=> string(745) "

If  fx=cosπ22x+sin-π22x ,where [x] denotes the greatest integer function, then which of the following is not correct

" ["question_id"]=> string(4) "1462" } ["Option"]=> array(4) { [0]=> array(3) { ["option_id"]=> string(4) "5775" ["question_id"]=> string(4) "1462" ["opt_desc"]=> string(20) "

f(0) = 1

" } [1]=> array(3) { ["option_id"]=> string(4) "5776" ["question_id"]=> string(4) "1462" ["opt_desc"]=> string(287) "

fπ3=13+1

" } [2]=> array(3) { ["option_id"]=> string(4) "5777" ["question_id"]=> string(4) "1462" ["opt_desc"]=> string(214) "

fπ2=0

" } [3]=> array(3) { ["option_id"]=> string(4) "5778" ["question_id"]=> string(4) "1462" ["opt_desc"]=> string(38) "

f(π)=0

" } } ["Answer"]=> array(1) { [0]=> array(3) { ["answer_id"]=> string(4) "1495" ["question_id"]=> string(4) "1462" ["option_id"]=> string(4) "5778" } } } [16]=> array(3) { ["Question"]=> array(3) { ["test_id"]=> string(3) "131" ["ques_text"]=> string(263) "

If f(x) =sin([a]) x (where [.] denotes the greatest integer function) has π as its fundamental period, then:

" ["question_id"]=> string(4) "1524" } ["Option"]=> array(4) { [0]=> array(3) { ["option_id"]=> string(4) "6023" ["question_id"]=> string(4) "1524" ["opt_desc"]=> string(17) "

a = 1

" } [1]=> array(3) { ["option_id"]=> string(4) "6024" ["question_id"]=> string(4) "1524" ["opt_desc"]=> string(17) "

a = 9

" } [2]=> array(3) { ["option_id"]=> string(4) "6025" ["question_id"]=> string(4) "1524" ["opt_desc"]=> string(27) "

a ∈ [1, 2)

" } [3]=> array(3) { ["option_id"]=> string(4) "6026" ["question_id"]=> string(4) "1524" ["opt_desc"]=> string(27) "

a ∈ [4, 5)

" } } ["Answer"]=> array(1) { [0]=> array(3) { ["answer_id"]=> string(4) "1557" ["question_id"]=> string(4) "1524" ["option_id"]=> string(4) "6026" } } } [17]=> array(3) { ["Question"]=> array(3) { ["test_id"]=> string(3) "131" ["ques_text"]=> string(288) "

The fundamental period of the function,

f(x) = x + a – [x + b] + sin πx + cos 2πx + sin 3πx + cos 4πx + ……….+sin (2n – 1) πx + cos2 nπx for every a, b ∈ R is : (where [ ] denotes the greatest integer function)

" ["question_id"]=> string(4) "1525" } ["Option"]=> array(4) { [0]=> array(3) { ["option_id"]=> string(4) "6027" ["question_id"]=> string(4) "1525" ["opt_desc"]=> string(13) "

2

" } [1]=> array(3) { ["option_id"]=> string(4) "6028" ["question_id"]=> string(4) "1525" ["opt_desc"]=> string(13) "

1

" } [2]=> array(3) { ["option_id"]=> string(4) "6029" ["question_id"]=> string(4) "1525" ["opt_desc"]=> string(13) "

4

" } [3]=> array(3) { ["option_id"]=> string(4) "6030" ["question_id"]=> string(4) "1525" ["opt_desc"]=> string(13) "

0

" } } ["Answer"]=> array(1) { [0]=> array(3) { ["answer_id"]=> string(4) "1558" ["question_id"]=> string(4) "1525" ["option_id"]=> string(4) "6027" } } } [18]=> array(3) { ["Question"]=> array(3) { ["test_id"]=> string(3) "133" ["ques_text"]=> string(134) "

Which one of the following gives positive Fehling’s solution test?         (2001)

" ["question_id"]=> string(4) "1571" } ["Option"]=> array(4) { [0]=> array(3) { ["option_id"]=> string(4) "6211" ["question_id"]=> string(4) "1571" ["opt_desc"]=> string(19) "

Sucrose

" } [1]=> array(3) { ["option_id"]=> string(4) "6212" ["question_id"]=> string(4) "1571" ["opt_desc"]=> string(19) "

Glucose

" } [2]=> array(3) { ["option_id"]=> string(4) "6213" ["question_id"]=> string(4) "1571" ["opt_desc"]=> string(16) "

Fats

" } [3]=> array(3) { ["option_id"]=> string(4) "6214" ["question_id"]=> string(4) "1571" ["opt_desc"]=> string(19) "

Protein

" } } ["Answer"]=> array(1) { [0]=> array(3) { ["answer_id"]=> string(4) "1608" ["question_id"]=> string(4) "1571" ["option_id"]=> string(4) "6212" } } } [19]=> array(3) { ["Question"]=> array(3) { ["test_id"]=> string(3) "136" ["ques_text"]=> string(147) "

This gastrointestinal hormone stimulates insulin secretin:            (AMU 2010)

" ["question_id"]=> string(4) "1622" } ["Option"]=> array(4) { [0]=> array(3) { ["option_id"]=> string(4) "6415" ["question_id"]=> string(4) "1622" ["opt_desc"]=> string(19) "

Gastrin

" } [1]=> array(3) { ["option_id"]=> string(4) "6416" ["question_id"]=> string(4) "1622" ["opt_desc"]=> string(15) "

CCK

" } [2]=> array(3) { ["option_id"]=> string(4) "6417" ["question_id"]=> string(4) "1622" ["opt_desc"]=> string(20) "

Secretin

" } [3]=> array(3) { ["option_id"]=> string(4) "6418" ["question_id"]=> string(4) "1622" ["opt_desc"]=> string(15) "

GIP

" } } ["Answer"]=> array(1) { [0]=> array(3) { ["answer_id"]=> string(4) "1659" ["question_id"]=> string(4) "1622" ["option_id"]=> string(4) "6418" } } } [20]=> array(3) { ["Question"]=> array(3) { ["test_id"]=> string(3) "155" ["ques_text"]=> string(150) "

Amongst LiCl, RbCl, BeCl2 and MgCl2, the compounds with the greatest and the least ionic character respectively are:

" ["question_id"]=> string(4) "1889" } ["Option"]=> array(4) { [0]=> array(3) { ["option_id"]=> string(4) "7479" ["question_id"]=> string(4) "1889" ["opt_desc"]=> string(22) "

LiCI, RbCl

" } [1]=> array(3) { ["option_id"]=> string(4) "7480" ["question_id"]=> string(4) "1889" ["opt_desc"]=> string(37) "

RbCl and BeCl2

" } [2]=> array(3) { ["option_id"]=> string(4) "7481" ["question_id"]=> string(4) "1889" ["opt_desc"]=> string(34) "

RbCl, MgCl2

" } [3]=> array(3) { ["option_id"]=> string(4) "7482" ["question_id"]=> string(4) "1889" ["opt_desc"]=> string(49) "

MgCl2 and BeCl2

" } } ["Answer"]=> array(1) { [0]=> array(3) { ["answer_id"]=> string(4) "1925" ["question_id"]=> string(4) "1889" ["option_id"]=> string(4) "7480" } } } [21]=> array(3) { ["Question"]=> array(3) { ["test_id"]=> string(3) "162" ["ques_text"]=> string(82) "

Which one of the following has the shortest carbon-carbon bond length?

" ["question_id"]=> string(4) "1989" } ["Option"]=> array(4) { [0]=> array(3) { ["option_id"]=> string(4) "7879" ["question_id"]=> string(4) "1989" ["opt_desc"]=> string(19) "

Benzene

" } [1]=> array(3) { ["option_id"]=> string(4) "7880" ["question_id"]=> string(4) "1989" ["opt_desc"]=> string(18) "

Ethene

" } [2]=> array(3) { ["option_id"]=> string(4) "7881" ["question_id"]=> string(4) "1989" ["opt_desc"]=> string(18) "

Ethyne

" } [3]=> array(3) { ["option_id"]=> string(4) "7882" ["question_id"]=> string(4) "1989" ["opt_desc"]=> string(18) "

Ethane

" } } ["Answer"]=> array(1) { [0]=> array(3) { ["answer_id"]=> string(4) "2025" ["question_id"]=> string(4) "1989" ["option_id"]=> string(4) "7881" } } } [22]=> array(3) { ["Question"]=> array(3) { ["test_id"]=> string(3) "162" ["ques_text"]=> string(60) "

The shortest C—C bond distance is found in

" ["question_id"]=> string(4) "1999" } ["Option"]=> array(4) { [0]=> array(3) { ["option_id"]=> string(4) "7919" ["question_id"]=> string(4) "1999" ["opt_desc"]=> string(19) "

Diamond

" } [1]=> array(3) { ["option_id"]=> string(4) "7920" ["question_id"]=> string(4) "1999" ["opt_desc"]=> string(18) "

Ethane

" } [2]=> array(3) { ["option_id"]=> string(4) "7921" ["question_id"]=> string(4) "1999" ["opt_desc"]=> string(19) "

Benzene

" } [3]=> array(3) { ["option_id"]=> string(4) "7922" ["question_id"]=> string(4) "1999" ["opt_desc"]=> string(21) "

Acetylene

" } } ["Answer"]=> array(1) { [0]=> array(3) { ["answer_id"]=> string(4) "2035" ["question_id"]=> string(4) "1999" ["option_id"]=> string(4) "7922" } } } [23]=> array(3) { ["Question"]=> array(3) { ["test_id"]=> string(3) "173" ["ques_text"]=> string(84) "

Which one of the following gives positive Fehling’s solution test?

" ["question_id"]=> string(4) "2182" } ["Option"]=> array(4) { [0]=> array(3) { ["option_id"]=> string(4) "8651" ["question_id"]=> string(4) "2182" ["opt_desc"]=> string(19) "

Sucrose

" } [1]=> array(3) { ["option_id"]=> string(4) "8652" ["question_id"]=> string(4) "2182" ["opt_desc"]=> string(19) "

Glucose

" } [2]=> array(3) { ["option_id"]=> string(4) "8653" ["question_id"]=> string(4) "2182" ["opt_desc"]=> string(16) "

Fats

" } [3]=> array(3) { ["option_id"]=> string(4) "8654" ["question_id"]=> string(4) "2182" ["opt_desc"]=> string(19) "

Protein

" } } ["Answer"]=> array(1) { [0]=> array(3) { ["answer_id"]=> string(4) "2218" ["question_id"]=> string(4) "2182" ["option_id"]=> string(4) "8652" } } } [24]=> array(3) { ["Question"]=> array(3) { ["test_id"]=> string(3) "177" ["ques_text"]=> string(140) "

Which of the solution colligative property can provide molar mass of proteins (or polymers or colloids) with greatest precision?

" ["question_id"]=> string(4) "2193" } ["Option"]=> array(4) { [0]=> array(3) { ["option_id"]=> string(4) "8695" ["question_id"]=> string(4) "2193" ["opt_desc"]=> string(28) "

Osmotic pressure

" } [1]=> array(3) { ["option_id"]=> string(4) "8696" ["question_id"]=> string(4) "2193" ["opt_desc"]=> string(38) "

Elevation in boiling point

" } [2]=> array(3) { ["option_id"]=> string(4) "8697" ["question_id"]=> string(4) "2193" ["opt_desc"]=> string(40) "

Depression in freezing point

" } [3]=> array(3) { ["option_id"]=> string(4) "8698" ["question_id"]=> string(4) "2193" ["opt_desc"]=> string(48) "

Relative lowering of vapour pressure

" } } ["Answer"]=> array(1) { [0]=> array(3) { ["answer_id"]=> string(4) "2229" ["question_id"]=> string(4) "2193" ["option_id"]=> string(4) "8695" } } } [25]=> array(3) { ["Question"]=> array(3) { ["test_id"]=> string(3) "176" ["ques_text"]=> string(51) "

Which of the following is the sweetest?

" ["question_id"]=> string(4) "2201" } ["Option"]=> array(4) { [0]=> array(3) { ["option_id"]=> string(4) "8727" ["question_id"]=> string(4) "2201" ["opt_desc"]=> string(19) "

Glucose

" } [1]=> array(3) { ["option_id"]=> string(4) "8728" ["question_id"]=> string(4) "2201" ["opt_desc"]=> string(20) "

Fructose

" } [2]=> array(3) { ["option_id"]=> string(4) "8729" ["question_id"]=> string(4) "2201" ["opt_desc"]=> string(19) "

Maltose

" } [3]=> array(3) { ["option_id"]=> string(4) "8730" ["question_id"]=> string(4) "2201" ["opt_desc"]=> string(19) "

Sucrose

" } } ["Answer"]=> array(1) { [0]=> array(3) { ["answer_id"]=> string(4) "2237" ["question_id"]=> string(4) "2201" ["option_id"]=> string(4) "8728" } } } [26]=> array(3) { ["Question"]=> array(3) { ["test_id"]=> string(3) "181" ["ques_text"]=> string(143) "

The greatest height to which a man can throw a stone is H. The greatest distance up to which he can throw the stone is (H/2). 

" ["question_id"]=> string(4) "2231" } ["Option"]=> array(2) { [0]=> array(3) { ["option_id"]=> string(4) "8831" ["question_id"]=> string(4) "2231" ["opt_desc"]=> string(4) "True" } [1]=> array(3) { ["option_id"]=> string(4) "8832" ["question_id"]=> string(4) "2231" ["opt_desc"]=> string(5) "False" } } ["Answer"]=> array(1) { [0]=> array(3) { ["answer_id"]=> string(4) "2267" ["question_id"]=> string(4) "2231" ["option_id"]=> string(4) "8832" } } } [27]=> array(3) { ["Question"]=> array(3) { ["test_id"]=> string(3) "180" ["ques_text"]=> string(41) "

Iodoform test is not given by

" ["question_id"]=> string(4) "2235" } ["Option"]=> array(4) { [0]=> array(3) { ["option_id"]=> string(4) "8843" ["question_id"]=> string(4) "2235" ["opt_desc"]=> string(23) "

2-pentanone

" } [1]=> array(3) { ["option_id"]=> string(4) "8844" ["question_id"]=> string(4) "2235" ["opt_desc"]=> string(19) "

Ethanol

" } [2]=> array(3) { ["option_id"]=> string(4) "8845" ["question_id"]=> string(4) "2235" ["opt_desc"]=> string(19) "

Ethanal

" } [3]=> array(3) { ["option_id"]=> string(4) "8846" ["question_id"]=> string(4) "2235" ["opt_desc"]=> string(29) "

 3-pentanone

" } } ["Answer"]=> array(1) { [0]=> array(3) { ["answer_id"]=> string(4) "2271" ["question_id"]=> string(4) "2235" ["option_id"]=> string(4) "8846" } } } [28]=> array(3) { ["Question"]=> array(3) { ["test_id"]=> string(2) "60" ["ques_text"]=> string(46) "

Frog’s testes do not possess

" ["question_id"]=> string(4) "2553" } ["Option"]=> array(4) { [0]=> array(3) { ["option_id"]=> string(5) "10097" ["question_id"]=> string(4) "2553" ["opt_desc"]=> string(30) "

Interstitial cells

" } [1]=> array(3) { ["option_id"]=> string(5) "10098" ["question_id"]=> string(4) "2553" ["opt_desc"]=> string(32) "

Seminiferous tubules

" } [2]=> array(3) { ["option_id"]=> string(5) "10099" ["question_id"]=> string(4) "2553" ["opt_desc"]=> string(25) "

Sertoli cells

" } [3]=> array(3) { ["option_id"]=> string(5) "10100" ["question_id"]=> string(4) "2553" ["opt_desc"]=> string(28) "

Seminal vesicles

" } } ["Answer"]=> array(1) { [0]=> array(3) { ["answer_id"]=> string(4) "2592" ["question_id"]=> string(4) "2553" ["option_id"]=> string(5) "10099" } } } [29]=> array(3) { ["Question"]=> array(3) { ["test_id"]=> string(3) "125" ["ques_text"]=> string(503) "

If f (x) = cos π2x-x3,1<x<2 where [.] denotes the greatest integer function then its derivative at x = (π/2)1/3 is equal to

" ["question_id"]=> string(4) "2609" } ["Option"]=> array(4) { [0]=> array(3) { ["option_id"]=> string(5) "10321" ["question_id"]=> string(4) "2609" ["opt_desc"]=> string(13) "

0

" } [1]=> array(3) { ["option_id"]=> string(5) "10322" ["question_id"]=> string(4) "2609" ["opt_desc"]=> string(35) "

3(π/2)1/3

" } [2]=> array(3) { ["option_id"]=> string(5) "10323" ["question_id"]=> string(4) "2609" ["opt_desc"]=> string(79) "

-3(π/2)1/3       

" } [3]=> array(3) { ["option_id"]=> string(5) "10324" ["question_id"]=> string(4) "2609" ["opt_desc"]=> string(25) "

none of these

" } } ["Answer"]=> array(1) { [0]=> array(3) { ["answer_id"]=> string(4) "2648" ["question_id"]=> string(4) "2609" ["option_id"]=> string(5) "10321" } } } [30]=> array(3) { ["Question"]=> array(3) { ["test_id"]=> string(3) "125" ["ques_text"]=> string(151) "

The function f(x) = [x]2 – [x2] (where [y] is the greatest integer less than or equal to y) is discontinuous at

" ["question_id"]=> string(4) "2614" } ["Option"]=> array(4) { [0]=> array(3) { ["option_id"]=> string(5) "10341" ["question_id"]=> string(4) "2614" ["opt_desc"]=> string(24) "

all integers

" } [1]=> array(3) { ["option_id"]=> string(5) "10342" ["question_id"]=> string(4) "2614" ["opt_desc"]=> string(39) "

all integers except o and 1

" } [2]=> array(3) { ["option_id"]=> string(5) "10343" ["question_id"]=> string(4) "2614" ["opt_desc"]=> string(33) "

all integers except 0

" } [3]=> array(3) { ["option_id"]=> string(5) "10344" ["question_id"]=> string(4) "2614" ["opt_desc"]=> string(33) "

all integers except 1

" } } ["Answer"]=> array(1) { [0]=> array(3) { ["answer_id"]=> string(4) "2653" ["question_id"]=> string(4) "2614" ["option_id"]=> string(5) "10344" } } } [31]=> array(3) { ["Question"]=> array(3) { ["test_id"]=> string(3) "194" ["ques_text"]=> string(100) "

The shortest distance between the lines x + a = 2y – 12z and x = y + 20 = 6(z-a)is

" ["question_id"]=> string(4) "2668" } ["Option"]=> array(4) { [0]=> array(3) { ["option_id"]=> string(5) "10557" ["question_id"]=> string(4) "2668" ["opt_desc"]=> string(15) "

a/2

" } [1]=> array(3) { ["option_id"]=> string(5) "10558" ["question_id"]=> string(4) "2668" ["opt_desc"]=> string(13) "

a

" } [2]=> array(3) { ["option_id"]=> string(5) "10559" ["question_id"]=> string(4) "2668" ["opt_desc"]=> string(14) "

2a

" } [3]=> array(3) { ["option_id"]=> string(5) "10560" ["question_id"]=> string(4) "2668" ["opt_desc"]=> string(14) "

3a

" } } ["Answer"]=> array(1) { [0]=> array(3) { ["answer_id"]=> string(4) "2707" ["question_id"]=> string(4) "2668" ["option_id"]=> string(5) "10559" } } } [32]=> array(3) { ["Question"]=> array(3) { ["test_id"]=> string(3) "200" ["ques_text"]=> string(82) "

The greatest term in the expansion of (1+x)10 when x=2/3 is

" ["question_id"]=> string(4) "2755" } ["Option"]=> array(4) { [0]=> array(3) { ["option_id"]=> string(5) "10905" ["question_id"]=> string(4) "2755" ["opt_desc"]=> string(32) "

210(2/3)4

" } [1]=> array(3) { ["option_id"]=> string(5) "10906" ["question_id"]=> string(4) "2755" ["opt_desc"]=> string(32) "

210(2/3)6

" } [2]=> array(3) { ["option_id"]=> string(5) "10907" ["question_id"]=> string(4) "2755" ["opt_desc"]=> string(32) "

210(3/2)4

" } [3]=> array(3) { ["option_id"]=> string(5) "10908" ["question_id"]=> string(4) "2755" ["opt_desc"]=> string(15) "

210

" } } ["Answer"]=> array(1) { [0]=> array(3) { ["answer_id"]=> string(4) "2795" ["question_id"]=> string(4) "2755" ["option_id"]=> string(5) "10905" } } } [33]=> array(3) { ["Question"]=> array(3) { ["test_id"]=> string(3) "202" ["ques_text"]=> string(299) "

A student appears for test I, II and III. The student is successful, is he passes either in tests I and II or in tests I and III. The probabilities of the student passing in tests I, II and III are p, q and 1/2 respectively. If the probability that the student is successful is 1/2, then

" ["question_id"]=> string(4) "2791" } ["Option"]=> array(4) { [0]=> array(3) { ["option_id"]=> string(5) "11049" ["question_id"]=> string(4) "2791" ["opt_desc"]=> string(17) "

p=q=1

" } [1]=> array(3) { ["option_id"]=> string(5) "11050" ["question_id"]=> string(4) "2791" ["opt_desc"]=> string(20) "

p=0, q=1

" } [2]=> array(3) { ["option_id"]=> string(5) "11051" ["question_id"]=> string(4) "2791" ["opt_desc"]=> string(20) "

p=1, q=0

" } [3]=> array(3) { ["option_id"]=> string(5) "11052" ["question_id"]=> string(4) "2791" ["opt_desc"]=> string(22) "

p=1, q=1/2

" } } ["Answer"]=> array(1) { [0]=> array(3) { ["answer_id"]=> string(4) "2831" ["question_id"]=> string(4) "2791" ["option_id"]=> string(5) "11051" } } } [34]=> array(3) { ["Question"]=> array(3) { ["test_id"]=> string(3) "217" ["ques_text"]=> string(139) "

If the sum of the coefficients in the expansion of (1+2x)n is 6561, the greatest term in the expansion for x =1/2 is

" ["question_id"]=> string(4) "2989" } ["Option"]=> array(4) { [0]=> array(3) { ["option_id"]=> string(5) "11841" ["question_id"]=> string(4) "2989" ["opt_desc"]=> string(26) "

4th

" } [1]=> array(3) { ["option_id"]=> string(5) "11842" ["question_id"]=> string(4) "2989" ["opt_desc"]=> string(26) "

5th

" } [2]=> array(3) { ["option_id"]=> string(5) "11843" ["question_id"]=> string(4) "2989" ["opt_desc"]=> string(26) "

6th

" } [3]=> array(3) { ["option_id"]=> string(5) "11844" ["question_id"]=> string(4) "2989" ["opt_desc"]=> string(25) "

None of these

" } } ["Answer"]=> array(1) { [0]=> array(3) { ["answer_id"]=> string(4) "3029" ["question_id"]=> string(4) "2989" ["option_id"]=> string(5) "11842" } } } [35]=> array(3) { ["Question"]=> array(3) { ["test_id"]=> string(3) "223" ["ques_text"]=> string(166) "

The lengths of two opposite edges of a tetrahedron are p and q, their shortest distance is equal to d and the angle between them is θ. Its volume is

" ["question_id"]=> string(4) "3078" } ["Option"]=> array(4) { [0]=> array(3) { ["option_id"]=> string(5) "12197" ["question_id"]=> string(4) "3078" ["opt_desc"]=> string(30) "

1/6 pdp sinθ

" } [1]=> array(3) { ["option_id"]=> string(5) "12198" ["question_id"]=> string(4) "3078" ["opt_desc"]=> string(30) "

1.3 pdp cosθ

" } [2]=> array(3) { ["option_id"]=> string(5) "12199" ["question_id"]=> string(4) "3078" ["opt_desc"]=> string(30) "

1/6 pdp cosθ

" } [3]=> array(3) { ["option_id"]=> string(5) "12200" ["question_id"]=> string(4) "3078" ["opt_desc"]=> string(30) "

1/3 pdp tanθ

" } } ["Answer"]=> array(1) { [0]=> array(3) { ["answer_id"]=> string(4) "3118" ["question_id"]=> string(4) "3078" ["option_id"]=> string(5) "12197" } } } [36]=> array(3) { ["Question"]=> array(3) { ["test_id"]=> string(3) "255" ["ques_text"]=> string(9038) "

Three particles A, B and C of equal mass are moving with the same velocity v along the medians of an equilateral triangle. These particle collide at the centre G of triangle. After collision A becomes stationary, B retraces its path with velocity v then the magnitude and direction of velocity of C will be

" ["question_id"]=> string(4) "3546" } ["Option"]=> array(4) { [0]=> array(3) { ["option_id"]=> string(5) "14069" ["question_id"]=> string(4) "3546" ["opt_desc"]=> string(49) "

v and opposite to B

" } [1]=> array(3) { ["option_id"]=> string(5) "14070" ["question_id"]=> string(4) "3546" ["opt_desc"]=> string(57) "

v and in the direction of A

" } [2]=> array(3) { ["option_id"]=> string(5) "14071" ["question_id"]=> string(4) "3546" ["opt_desc"]=> string(57) "

v and in the direction of C

" } [3]=> array(3) { ["option_id"]=> string(5) "14072" ["question_id"]=> string(4) "3546" ["opt_desc"]=> string(57) "

v and in the direction of B

" } } ["Answer"]=> array(1) { [0]=> array(3) { ["answer_id"]=> string(4) "3594" ["question_id"]=> string(4) "3546" ["option_id"]=> string(5) "14072" } } } [37]=> array(3) { ["Question"]=> array(3) { ["test_id"]=> string(3) "277" ["ques_text"]=> string(194) "

All the edges of a block with parallel faces are unequal. It’s longest edge is twice its shortest edge. The ratio of the maximum to minimum resistance between parallel faces is

" ["question_id"]=> string(4) "3816" } ["Option"]=> array(4) { [0]=> array(3) { ["option_id"]=> string(5) "15146" ["question_id"]=> string(4) "3816" ["opt_desc"]=> string(13) "

2

" } [1]=> array(3) { ["option_id"]=> string(5) "15147" ["question_id"]=> string(4) "3816" ["opt_desc"]=> string(13) "

4

" } [2]=> array(3) { ["option_id"]=> string(5) "15148" ["question_id"]=> string(4) "3816" ["opt_desc"]=> string(13) "

8

" } [3]=> array(3) { ["option_id"]=> string(5) "15149" ["question_id"]=> string(4) "3816" ["opt_desc"]=> string(103) "

Indeterminate unless the length of the third edge is specified40

" } } ["Answer"]=> array(1) { [0]=> array(3) { ["answer_id"]=> string(4) "3865" ["question_id"]=> string(4) "3816" ["option_id"]=> string(5) "15147" } } } [38]=> array(3) { ["Question"]=> array(3) { ["test_id"]=> string(3) "286" ["ques_text"]=> string(176) "

Consider the spectral line resulting from the transition from n = 2 to n = 1 in atoms and ions given below. The shortest wavelength is produced by

" ["question_id"]=> string(4) "3924" } ["Option"]=> array(4) { [0]=> array(3) { ["option_id"]=> string(5) "15578" ["question_id"]=> string(4) "3924" ["opt_desc"]=> string(25) "

Hydrogen atom

" } [1]=> array(3) { ["option_id"]=> string(5) "15579" ["question_id"]=> string(4) "3924" ["opt_desc"]=> string(26) "

Deuterium atom

" } [2]=> array(3) { ["option_id"]=> string(5) "15580" ["question_id"]=> string(4) "3924" ["opt_desc"]=> string(33) "

Singly ionized helium

" } [3]=> array(3) { ["option_id"]=> string(5) "15581" ["question_id"]=> string(4) "3924" ["opt_desc"]=> string(34) "

Doubly ionized lithium

" } } ["Answer"]=> array(1) { [0]=> array(3) { ["answer_id"]=> string(4) "3973" ["question_id"]=> string(4) "3924" ["option_id"]=> string(5) "15581" } } } [39]=> array(3) { ["Question"]=> array(3) { ["test_id"]=> string(3) "294" ["ques_text"]=> string(134) "

A person can throw a stone to a maximum distance of 100 m. the greatest height to which he can throw the stone is

" ["question_id"]=> string(4) "4102" } ["Option"]=> array(4) { [0]=> array(3) { ["option_id"]=> string(5) "16290" ["question_id"]=> string(4) "4102" ["opt_desc"]=> string(26) "

100 m

" } [1]=> array(3) { ["option_id"]=> string(5) "16291" ["question_id"]=> string(4) "4102" ["opt_desc"]=> string(25) "

75 m

" } [2]=> array(3) { ["option_id"]=> string(5) "16292" ["question_id"]=> string(4) "4102" ["opt_desc"]=> string(25) "

50 m

" } [3]=> array(3) { ["option_id"]=> string(5) "16293" ["question_id"]=> string(4) "4102" ["opt_desc"]=> string(25) "

25 m

" } } ["Answer"]=> array(1) { [0]=> array(3) { ["answer_id"]=> string(4) "4151" ["question_id"]=> string(4) "4102" ["option_id"]=> string(5) "16292" } } } } test|Sureden:Your Education Partner
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Distinction of primary, secondary and tertiary alcohol: (a) Oxidation test (b) Lucas test (c) Victer meyer test (best method)
Test of 10, 20 and 30 amines. (nitrous acid test) The three classes of amines react differently with nitrous acid. Nitrous acid is a source of electrophilic nitrosonium ion (O = N+), which reacts with amines. Ni
Q1.Why is gravitational potential energy always negative?[1]
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Test Details

The effect of hydrogen bonding is greatest in

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Test Details

Water can be tested by

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Test Details

The fruit is chambered, developed from inferior ovary and has seeds with succulent testa in

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Test Details

Cotyledons and testa respectively are edible parts in

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Test Details

Which cells present in mammalian testes help to nourish sperms?

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Test Details

The shortest phase in menstrual cycle is

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Test Details

In a dihybrid test cross, the proportion of individuals showing recessive phenotypes would be

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Test Details

Which of the solution colligative property can provide molar mass of proteins (or polymers or colloids) with greatest precision?

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Test Details

Greatest producers of organic matter are

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Test Details

In which of the following pairs, there is greatest difference in the oxidation number of the under-lined elements?

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Test Details

Which of the following is the sweetest?

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Test Details

Which of the following has greatest affinity for haemoglobin?

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Test Details

Which of the following has greatest affinity for haemoglobin?

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Test Details

For a real number y, let [y] denotes the greatest integer less than or equal to y. Then, the function f(x) = tan[π(x – π)]/1 + [x2] is [1981, 2M]

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Test Details

Let [.] denotes the greatest integer function and f(x) = [tan2 x], then                             [1993, 1M]

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Test Details

If  fx=cos

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Test Details

If f(x) =sin√([a]) x (where [.] denotes the greatest integer function) has π as its fundamental period, then:

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The fundamental period of the function, f(x) = x + a – [x + b] + sin πx + cos 2πx + sin 3πx + cos 4πx + ……….+sin (2n – 1) πx + cos2 nπx for every a, b ∈ R is : (where [ ] denotes the greatest integer function)

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Which one of the following gives positive Fehling’s solution test?         (2001)

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This gastrointestinal hormone stimulates insulin secretin:            (AMU 2010)

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Amongst LiCl, RbCl, BeCl2 and MgCl2, the compounds with the greatest and the least ionic character respectively are:

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Which one of the following has the shortest carbon-carbon bond length?

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The shortest C—C bond distance is found in

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Which one of the following gives positive Fehling’s solution test?

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Which of the solution colligative property can provide molar mass of proteins (or polymers or colloids) with greatest precision?

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Which of the following is the sweetest?

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The greatest height to which a man can throw a stone is H. The greatest distance up to which he can throw the stone is (H/2). 

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Iodoform test is not given by

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Frog’s testes do not possess

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If f (x) = cos π2x-x3

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The function f(x) = [x]2 – [x2] (where [y] is the greatest integer less than or equal to y) is discontinuous at

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The shortest distance between the lines x + a = 2y – 12z and x = y + 20 = 6(z-a)is

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The greatest term in the expansion of (1+x)10 when x=2/3 is

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A student appears for test I, II and III. The student is successful, is he passes either in tests I and II or in tests I and III. The probabilities of the student passing in tests I, II and III are p, q and 1/2 respectively. If the probability that the student is successful is 1/2, then

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If the sum of the coefficients in the expansion of (1+2x)n is 6561, the greatest term in the expansion for x =1/2 is

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The lengths of two opposite edges of a tetrahedron are p and q, their shortest distance is equal to d and the angle between them is θ. Its volume is

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Three particles A, B and C of equal mass are moving with the same velocity v along the medians of an equilateral triangle. These particle collide at the centre G of triangle. After collision A becomes stationary, B retraces its pat

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All the edges of a block with parallel faces are unequal. It’s longest edge is twice its shortest edge. The ratio of the maximum to minimum resistance between parallel faces is

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Consider the spectral line resulting from the transition from n = 2 to n = 1 in atoms and ions given below. The shortest wavelength is produced by

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A person can throw a stone to a maximum distance of 100 m. the greatest height to which he can throw the stone is

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