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MCQOPTIONS
This section includes 200950 Mcqs, each offering curated multiple-choice questions to sharpen your General Knowledge knowledge and support exam preparation. Choose a topic below to get started.
| 4051. |
LetS = {1, 2, 3, 4}. The total number of unordered pairs of disjoint subsets of S is equal to? |
| A. | 25 |
| B. | 34 |
| C. | 42 |
| D. | 41 |
| Answer» E. | |
| 4052. |
The IUPAC name of A and B are? |
| A. | Potassium tetracyanonickelate (II), potassium tetrachloronickelate (II) |
| B. | Tetracyanopotassiumnickelate (II), teterachlorpotassiumnickelate (II) |
| C. | Tetracyanornickel (II), tetrachloronickel (II) |
| D. | Potassium tetracyanonickel (II), potassium tetrachloronickel (II) |
| Answer» B. Tetracyanopotassiumnickelate (II), teterachlorpotassiumnickelate (II) | |
| 4053. |
The smallest ketone and its next homologue are reacted with NH2OH to form oxime, then the result is? |
| A. | Two different oximes are formed |
| B. | Three different oximes are formed |
| C. | Two oximes are optically active |
| D. | All oximes are optically active |
| Answer» C. Two oximes are optically active | |
| 4054. |
Which is the rate determining step in Hofmann bromamide degradation? |
| A. | Formation of (i) |
| B. | Formation of (ii) |
| C. | Formation of (iii) |
| D. | Formation of (iv) |
| Answer» E. | |
| 4055. |
If r, s, t are prime numbers and p, q are the positive integers such that the LCM of p, q is r2t4s2,then the number of ordered pair (p, q) is? |
| A. | 252 |
| B. | 254 |
| C. | 225 |
| D. | 224 |
| Answer» D. 224 | |
| 4056. |
The positive value of k for which kex − x = 0 has only one root is? |
| A. | 1/e |
| B. | 1 |
| C. | e |
| D. | loge2 |
| Answer» B. 1 | |
| 4057. |
A circle touches the line L and the circle C1 externally such that both the circles are on the same side of the line, then thelocus of centre of the circle is? |
| A. | ellipse |
| B. | hyperbola |
| C. | parabola |
| D. | parts of straight line |
| Answer» D. parts of straight line | |
| 4058. |
STATEMENT-1: Glucose gives a reddish-brown precipitate with Fehling’s solution.becauseSTATEMENT-2: Reaction of glucose with Fehling’s solution gives CuO and gluconic acid. |
| A. | Statement-1 is True, Statement-2 is True; Statement-2 is a correct explanation for Statement-1 |
| B. | Statement-1 is True, Statement-2 is True; Statement-2 is NOT a correct explanation for Statement-1 |
| C. | Statement-1 is True, Statement-2 is False |
| D. | Statement-1 is False, Statement-2 is True |
| Answer» D. Statement-1 is False, Statement-2 is True | |
| 4059. |
The electrophile in this reaction is? |
| A. | CHCl |
| B. | +CHCl2 |
| C. | :CCl2 |
| D. | .CCl3 |
| Answer» D. .CCl3 | |
| 4060. |
The letters of the word COCHIN are permuted and all the permutations are arranged in an alphabetical order as in an English dictionary. The number of words that appear before the word COCHIN is? |
| A. | 360 |
| B. | 192 |
| C. | 96 |
| D. | 48 |
| Answer» D. 48 | |
| 4061. |
STATEMENT-1: Alkali metals dissolves in liquid ammonia to give blue solutionbecauseSTATEMENT-2: Alkali metals in liquid ammonia give solvated species of the type [M(NH3)n] n(M = alkali metals). |
| A. | Statement-1 is True, Statement-2 is True; Statement-2 is a correct explanation for Statement-1 |
| B. | Statement-1 is True, Statement-2 is True; Statement-2 is NOT a correct explanation for Statement-1 |
| C. | Statement-1 is True, Statement-2 is False |
| D. | Statement-1 is False, Statement-2 is True |
| Answer» C. Statement-1 is True, Statement-2 is False | |
| 4062. |
STATEMENT-1 : For each real t, there exists a point c in [t, t π] such that f′(c) = 0.becauseSTATEMEN-2 : f(t) = f(t 2πn) for each real t. |
| A. | Statement -1 is True, Statement -2 is True; Statement-2 is a correct explanation for Statement-1 |
| B. | Statement -1 is True, Statement -2 is True; Statement-2 is NOT a correct explanation for Statement-1 |
| C. | Statement -1 is True, Statement -2 is False |
| D. | Statement -1 is False, Statement -2 is True |
| Answer» C. Statement -1 is True, Statement -2 is False | |
| 4063. |
STATEMENT-1: Band gap in germanium is small.becauseSTATEMENT-2: The energy spread of each germanium atomic energy level is infinitesimally small. |
| A. | Statement-1 is True, Statement-2 is True; Statement-2 is a correct explanation for Statement-1 |
| B. | Statement-1 is True, Statement-2 is True; Statement-2 is NOT a correct explanation for Statement-1 |
| C. | Statement-1 is True, Statement-2 is False |
| D. | Statement-1 is False, Statement-2 is True |
| Answer» D. Statement-1 is False, Statement-2 is True | |
| 4064. |
The number of stereoisomers obtained by bromination of trans-2-butene is? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» B. 2 | |
| 4065. |
Consider a titration of potassium dichromate solution with acidified Mohr’s salt solution using diphenylamine as indicator.The number of moles of Mohr’s salt required per mole of dichromate is? |
| A. | 3 |
| B. | 4 |
| C. | 5 |
| D. | 6 |
| Answer» E. | |
| 4066. |
A solution of metal ion when treated with KI gives a red precipitate which dissolves in excess KI to give a colourless solution. Moreover, the solution of metal ion on treatment with a solution of cobalt(II) thiocyanate gives rise to a deep blue crystalline precipitate. The metal ion is? |
| A. | Pb2+ |
| B. | Hg2+ |
| C. | Cu2+ |
| D. | Co2+ |
| Answer» C. Cu2+ | |
| 4067. |
STATEMENT-1: Molecules that are not superimposable on their mirrornimages are chiralbecauseSTATEMENT-2: All chiral molecules have chiral centres. |
| A. | Statement-1 is True, Statement-2 is True; Statement-2 is a correct explanation for Statement-1 |
| B. | Statement-1 is True, Statement-2 is True; Statement-2 is NOT a correct explanation for Statement-1 |
| C. | Statement-1 is True, Statement-2 is False |
| D. | Statement-1 is False, Statement-2 is True |
| Answer» D. Statement-1 is False, Statement-2 is True | |
| 4068. |
Consider a reaction aG bH → Products. When concentration of both the reactants G and H is doubled, the rate increasesd by eight times. However, when concentration of G is doubled keeping the concentration of H fixed, the rate is doubled. The overall order of the reaction is? |
| A. | 0 |
| B. | 1 |
| C. | 2 |
| D. | 3 |
| Answer» E. | |
| 4069. |
Speed of the light is? |
| A. | the same in medium-1 and medium-2 |
| B. | larger in medium-1 than in medium-2 |
| C. | larger in medium-2 than in medium-1 |
| D. | different at b and d |
| Answer» C. larger in medium-2 than in medium-1 | |
| 4070. |
The phases of the light wave at c, d, e and f are φc, φd, φe and φf respectively. It is given that φ?u003c |
| A. | φc cannot be equal to φd |
| B. | φd can be equal to φe |
| C. | φd − φf) is equal to (φc - φe) |
| D. | φd − φc) is not equal to (φf − φe |
| Answer» D. φd − φc) is not equal to (φf − φe | |
| 4071. |
STATEMENT-1If there is no external torque on a body about its center of mass, then the velocity of the center of mass remains constant.becauseSTATEMENT-2The linear momentum of an isolated system remains constant. |
| A. | Statement -1 is True, Statement-2 is True; Statement -2 is a correct explanation for Statement-1. |
| B. | Statement -1 is True, Statement-2 is True; Statement -2 is NOT a correct explanation for Statement-1. |
| C. | Statement -1 is True, Statement-2 is False. |
| D. | Statement -1 is False, Statement-2 is True. |
| Answer» E. | |
| 4072. |
STATEMENT-1A cloth covers a table. Some dishes are kept on it. The cloth can be pulled out without dislodging the dishes from the table.becauseSTATEMENT-2For every action there is an equal and opposite reaction. |
| A. | Statement -1 is True, Statement-2 is True; Statement -2 is a correct explanation for Statement-1. |
| B. | Statement -1 is True, Statement-2 is True; Statement -2 is NOT a correct explanation for Statement-1 |
| C. | Statement -1 is True, Statement-2 is False |
| D. | Statement -1 is False, Statement-2 is True |
| Answer» C. Statement -1 is True, Statement-2 is False | |
| 4073. |
STATEMENT-1The total translational kinetic energy of all the molecules of a given mass of an ideal gas is 1.5 times the product of its pressure and its volume.becauseSTATEMENT-2The molecules of a gas collide with each other and the velocities of the molecules change due to the collision. |
| A. | Statement -1 is True, Statement-2 is True; Statement -2 is a correct explanation for Statement-1. |
| B. | Statement -1 is True, Statement-2 is True; Statement -2 is NOT a correct explanation for Statement-1. |
| C. | Statement -1 is True, Statement-2 is False |
| D. | Statement -1 is False, Statement-2 is True |
| Answer» C. Statement -1 is True, Statement-2 is False | |
| 4074. |
If 2805 ¸ 2.55 = 1100, then 280.5 ¸ 25.5 is: |
| A. | 111 |
| B. | 1.13. |
| C. | 0.11 |
| D. | 11 |
| Answer» E. | |
| 4075. |
In the experiment to determine the speed of sound using a resonance column,_____. |
| A. | prongs of the tuning fork are kept in a vertical plane |
| B. | prongs of the tuning fork are kept in a horizontal plane |
| C. | in one of the two resonances observed, the length of the resonating air column is close to the wavelength of sound in air |
| D. | in one of the two resonances observed, the length of the resonating air column is close to half of the wavelength of sound in air |
| Answer» B. prongs of the tuning fork are kept in a horizontal plane | |
| 4076. |
Which of the following is equal to 0.024 × 106 ? |
| A. | 2400000 |
| B. | 240000 |
| C. | 24000 |
| D. | 2400 |
| Answer» D. 2400 | |
| 4077. |
Which is the least among the following? |
| A. | 1 ÷ 0.3 |
| B. | $MF#%0.overline{3}$MF#% |
| C. | 0.3 |
| D. | (0.3)2 |
| Answer» E. | |
| 4078. |
A student performs an experiment to determine the Young’s modulus of a wire, exactly 2 m long, by Searle’s method. In a particular reading, the student measures the extension in the length of the wire to be 0.8 mm with an uncertainty of ±0.05 mm at a load of exactly 1.0 kg. The student also measures the diameter of the wire to be 0.4 mm with an uncertainty of ±0.01 mm. Take g = 9.8 m/s2 (exact). The Young’s modulus obtained from the reading is? |
| A. | 2 .0 ± 0.3) × 1011 N/m2 |
| B. | 2 .0 ± 0.2) × 1011 N/m2 |
| C. | 2 .0 ± 0.1) × 1011 N/m2 |
| D. | 2 .0 ± 0.05) × 1011 N/m2 |
| Answer» C. 2 .0 ± 0.1) × 1011 N/m2 | |
| 4079. |
2.205 divided by 0.3 gives? |
| A. | 7.35 |
| B. | 6.25 |
| C. | 8.15 |
| D. | 6.95 |
| Answer» B. 6.25 | |
| 4080. |
A and B are playing mathematical puzzles. A asks Bwhich whole numbers, greater than one, can divide all the nine three digit numbers 111,222,333,444,555,666, 777,888 and 999?B immediately gave the desired answer. It was ? |
| A. | 3, 9 and 37 |
| B. | 9, 37 and 111 |
| C. | 3, 37 and 111 |
| D. | 3, 37 and 119 |
| Answer» D. 3, 37 and 119 | |
| 4081. |
Two prime numbers A,B(Au003cB) are called twin primes if they differ by 2 (e.g. 11,13,or 41,43....)If A and B are twin primes with Bu003e23, then which of the following numbers would always divide Aand B? |
| A. | 12 |
| B. | 24 |
| C. | 8 |
| D. | None of these |
| Answer» B. 24 | |
| 4082. |
(MF#%dfrac{0.0007}{text{?}} = 0.01)MF#% |
| A. | 71 |
| B. | 7 |
| C. | 0.7 |
| D. | 0.07 |
| Answer» E. | |
| 4083. |
(AA)2=DCBA, where A,B,C and D are distinct digits with B being odd. Find the value of D. |
| A. | 1 or 4 |
| B. | 1 |
| C. | 6 |
| D. | 4 |
| Answer» E. | |
| 4084. |
If x and y are any natural numbers, then which of the following is an odd number ? |
| A. | xy+yx+(x−y)(xy+x) |
| B. | yx(xy–y)(xy−x) |
| C. | xy(x+y)(xy+x) |
| D. | None of these |
| Answer» B. yx(xy–y)(xy−x) | |
| 4085. |
What is the last digit of the number 3579 1? |
| A. | 3 |
| B. | 7 |
| C. | 4 |
| D. | 1 |
| Answer» D. 1 | |
| 4086. |
Which British monarch in 20th century was not crowned? |
| A. | George V |
| B. | Edward VIII |
| C. | George VI |
| D. | William IV |
| Answer» C. George VI | |
| 4087. |
Which language is written in five scripts? |
| A. | hindi |
| B. | urdu |
| C. | konkani |
| D. | Telugu |
| Answer» D. Telugu | |
| 4088. |
The expression (12.86 × 12.86+ 12.86 × p +0.14 × 0.14) will be a perfect square for p equal to |
| A. | 0.28 |
| B. | 0.26 |
| C. | 1 |
| D. | 0 |
| Answer» B. 0.26 | |
| 4089. |
24.39+ 562.093+ 35.96 = ? |
| A. | 622.441 |
| B. | 622.243 |
| C. | 622.233 |
| D. | 622.443 |
| Answer» E. | |
| 4090. |
The remainder when the positive integer m is divided by 7 is x. The remainder when m is divided by 14 is x 7. Which one of the following could m equal? |
| A. | 85 |
| B. | 72 |
| C. | 53 |
| D. | 45 |
| Answer» D. 45 | |
| 4091. |
926 +9.026 +0.926 +9.0026 = ? |
| A. | 944.9546 |
| B. | 944.1246 |
| C. | 944.4246 |
| D. | 944.9446 |
| Answer» B. 944.1246 | |
| 4092. |
If N=23 x 34 , M= 22×3×5, then find the number of factors of N that are common with the factors of M? |
| A. | 20 |
| B. | 18 |
| C. | 6 |
| D. | 8 |
| Answer» D. 8 | |
| 4093. |
Who was told “Beware the Ides of March.”? |
| A. | Julius Caesar |
| B. | Augustus Caesar |
| C. | Mark Antony |
| D. | Cleopatra |
| Answer» B. Augustus Caesar | |
| 4094. |
(MF#%4.overline{86} - 3.overline{95}text{ = ?})MF#% |
| A. | $MF#%0.overline{93}$MF#% |
| B. | $MF#%0.overline{92}$MF#% |
| C. | MF#%0.overline{91}$MF#% |
| D. | $MF#%0.overline{90}$MF#% |
| Answer» E. | |
| 4095. |
The sum of three digit number is subtracted from the number. The resulting number is always? |
| A. | divisible by 6 |
| B. | not divisible by 9 |
| C. | divisible by 9 |
| D. | not divisible by 6 |
| Answer» D. not divisible by 6 | |
| 4096. |
(MF#%text{What is the correct expression of }8.overline{23}text{ in the fractional form?})MF#% |
| A. | $MF#%dfrac{8232323}{1000000}$MF#% |
| B. | $MF#%dfrac{823}{99}$MF#% |
| C. | $MF#%dfrac{82323}{1000}$MF#% |
| D. | $MF#%dfrac{815}{99}$MF#% |
| Answer» E. | |
| 4097. |
Which country’s postal stamps have the name Helvetia? |
| A. | Finland |
| B. | Iceland |
| C. | Switzerland |
| D. | Swaziland |
| Answer» D. Swaziland | |
| 4098. |
Find the remainder when 231 is divided by 5? |
| A. | 7 |
| B. | 3 |
| C. | 5 |
| D. | 4 |
| Answer» C. 5 | |
| 4099. |
When 15% is lost in grinding wheat, a country can export 30 lakh tons of wheat. On the other hand, if 10% is lost in grinding, it can export 40 lakh tons of wheat. The production of wheat in the country is? |
| A. | 20 lakh tons |
| B. | 80 lakh tons |
| C. | 200 lakh tons |
| D. | 800 lakh tons |
| Answer» D. 800 lakh tons | |
| 4100. |
How many digits will be there to the right of the decimal point in the product of 89.635 and .02218? |
| A. | 5 |
| B. | 6 |
| C. | 7 |
| D. | 8 |
| Answer» D. 8 | |