InterviewSolution
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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The correct energy gradation of different conformers is (1) skew > staggered > eclipsed (2) skew > eclipsed > staggered(3) eclipsed > skew > staggered (4) staggered > skew > eclipsed |
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Answer» The Correct option is (3) eclipsed > skew > staggered |
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| 2. |
The number of ways in which 20 mangoes may be distributed among 5 children, so that each child gets at least one mango is (1) 20C4 (2) 19C4 (3) 24C3 (4) 19C5 |
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Answer» Correct option (1) 19C4 Explanation: The number of ways = The number of positive integral solutions of x + y + z + t + u = 20 = 19C4 (by partition method). |
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| 3. |
Directions: Each of the following sentence has a mistake in grammar usage or idiom. Each sentence is broken up into four parts sequentially 1, 2, 3 and 4. Choose the part that has an error and mark accordingly. (a) (1) It is stupid to go (2) to the expense of taking (3) music lessons (4) if you never practice (b) (1) You will find (2) if difficult (3) to explain of your use (4) of such offensive language (c) (1) Because of the (2) extenuating circumstances (3) the court acquitted him (4) out of the crime |
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Answer» (a)(2) to the expense of taking (b)(3) to explain of your use (c)(4) out of the crime |
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| 4. |
Induction furnace is based on the heating effect of (1) magnetic field (2) eddy current (3) electric field (4) electrostatic field |
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Answer» The Correct Option is (2) eddy current |
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| 5. |
Carbon with metal forms : (a) carbide (b) carbonate (c) hydroxide (d) oxide |
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Answer» Correct option (a) carbide Explanation: Carbon with metal forms carbide. |
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| 6. |
Stainless steel contains (1) Fe, Cr, Ni, C (2) Fe, Al (3) Fe, Mn, Cr (4) Fe, Co, Ni |
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Answer» The Correct option is (1) Fe, Cr, Ni, C |
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| 7. |
The products of the following reaction A and B are respectively.(1) 2, 3-dibromobutane, 2, 3-dibromobutane (both cases) (2) d-2, 3-dibromobutane, l-2, 3-dibromobutane (3) Racemic mixture of 2, 3-dibromobutane (4) Racemic mixture of 2, 3-dibromobutane, meso 2, 3-dibromobutane |
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Answer» The Correct option is (4) Racemic mixture of 2, 3-dibromobutane, meso 2, 3-dibromobutane |
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| 8. |
Fluorine does not form any interhalogen compound as other halogens because it has (1) low F − F bond energy (2) maximum electronegativity (3) no d-orbitals (4) low electron gain enthalpy |
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Answer» Fluorine does not form any interhalogen compound as other halogens because it has no d-orbitals. |
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| 9. |
If a particle is compelled to move on a given smooth plane curve under the action of given forces in the plane |
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Answer» The Correct Option is (1) |
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| 10. |
Directions: Each sentence below has a blank space indicating that something has been left out. Following each sentence four words are given. Choose the word that makes the sentence meaningful.He tried to _________ the accident by slamming on his brakes. (1) abhor (2) avert (3) barter (4) abjure |
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Answer» He tried to avert the accident by slamming on his brakes. |
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| 11. |
The return of excited atoms to their ground level by themselves is called ________ process. (1) stimulated (2) forced (3) pumped (4) spontaneous |
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Answer» The return of excited atoms to their ground level by themselves is called spontaneous process. |
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| 12. |
Which of the following statements regarding the molecularity of a chemical reaction is wrong? (1) It is the number of molecules of the reactants taking part in a single step of reaction. (2) It is calculated from the reaction mechanism. (3) It may be either a whole number or fractional. (4) It depends on the rate determining step of the reaction. |
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Answer» Correct option (3) It may be either a whole number or fractional. Explanation: Molecularity of reaction is a positive whole number only. |
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| 13. |
Phosphorus undergoes slow combustion and glows in darkness. The process is (1) Photosensitisation (2) Chemiluminiscence (3) Fluorescence (4) Phosphorescence |
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Answer» The Correct option is (4) Phosphorescence |
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| 14. |
Which equilibrium can be described as acid-base reaction using the Lewis acidbase definition, but not using Bronsted and Lowry concept? |
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Answer» Correct option (3) Explanation: NH3 − electron donor, Lewis base Cu2+ − electron acceptor, Lewis acid |
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| 15. |
Stationary waves are formed in an acoustic medium by combining two simple harmonic waves in such a way that the point x = 0 is a node. The equation of one of the waves is y = a cos (ωt − kx). The equation of the other wave is (1) y = a cos (ωt + kx) (2) y = a sin (ωt + kx) (3) y = − a cos (ωt + kx) (4) y = − a sin (ωt − kx) |
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Answer» The Correct option is (1) y = a cos (ωt + kx) |
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| 16. |
At a certain instant, a stationary transverse wave is found to have maximum kinetic energy. The appearance of string at that instant is : (a) sinusoidal shape with amplitude A/3 (b) sinusoidal shape with amplitude A/2 (c) sinusoidal shape with amplitude A (d) straight line |
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Answer» Correct option (d) straight line Explanation: In a transverse stationary wave on a string, when the particle passes their mean position, their velocity is maximum. Since, all particles pass their mean positions simultaneously, the string becomes straight when the kinetic energy is maximum. |
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| 17. |
The magnetic moments are compared in equal distance method by measuring (1) distances (2) magnetic lengths (3) deflections (4) magnetic masses |
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Answer» The Correct Option is (3) deflections |
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| 18. |
A closed bottle containing water is opened on the moon. What will happen ? (a) The water will remain as before (b) The water will decomposses into H2 and O2 (c) The water will freeze (d) The water will boil |
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Answer» Correct option (d) The water will boil Explanation: The boiling point of water is lowered on moon because at the moon, the pressure is very low and so, the water will boil. |
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| 19. |
Which of the following inter halogen does not exist ? (a) ClF2 (b) ClF5 (c) ClF3 (d) ClF |
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Answer» Correct option (a) ClF2 Explanation: Halogens do not show even covalency i.e., the number of half filled atomic orbitals possible can 1, 3, 5, 7 etc. |
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| 20. |
Which one of the following species does not exist ? (a) [SnCl6]3− (b) [GeCl6]2− (c) [SiCl6]2− (d) [CCl6]2− |
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Answer» Correct option (d) [CCl6] 2− Explanation: Carbon atom cannot expand its valency shell due to non availability of 2d sub shell, so [CCl6]2− does not exist. |
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| 21. |
The aromatic compound is one (1) exhibiting conjugation and it must be planar (2) containing (2n + 2) π electrons where n may be 0, 1, 2 etc. (3) undergoing substitution reaction (4) all of these |
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Answer» The Correct option is (4) all of these |
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| 22. |
If the number of molecules of H2 are double than that of O2, then ratio of kinetic energy of hydrogen and that of oxygen at 300K, is : (a) 1 : 16 (b) 2 : 1 (c) 1 : 1 (d) 1 : 2 |
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Answer» Correct option (c) 1 : 1 Explanation: We know that E ∝ T Therefore, the kinetic energy does not depend upon the molecules of the gas. Hence, the kinetic energies of both the gases at a given temperature are same. or EH2 : EO2 = 1 : 1 |
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| 23. |
540g of ice at 0°C is mixed with 540g of water at 80°C. The temperature of mixture is : (a) 40°C (b) 80°C (c) 0°C (d) less than 0°C |
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Answer» Correct option (c) 0°C Explanation: The amount of heat required to melt 540g of ice is given by = 540 × 80 = 43200 cal (latent heat of ice = 80 kcal ⁄ g) Now heat lost by 540 g of water form 80°C to 0°C. = 540 × 1 × (80° − 0°) = 43200 cal Therefore, all the ice must be melt and temperature of mixture is zero. |
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| 24. |
Hubble’s law is expressed as : (a) v = 1 + HR (b) v = HR (c) v = R2/N (d) v = R/N |
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Answer» Correct option (b) v = HR Explanation: Hubble’s law is v = HR |
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| 25. |
Arrange the following compounds in order of ease of dehydrohalogenation by alcoholic potash solution.(1) A < B < C < D (2) A < D < B < C (3) A < B < D < C (4) C < D < A < B |
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Answer» Correct option (2) A < D < B < C Explanation: Conjugated system is more stable than non-conjugated system due to resonance. |
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| 26. |
A man swims relative to water with a velocity greater than river flow velocity. Then, (1) man may cross the river along shortest path (2) man cannot cross the river (3) man cannot cross the river without drifting (4) none of these |
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Answer» The Correct Option is (1) man may cross the river along shortest path |
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| 27. |
Four different sets of quantum numbers of four electrons are given as A. 5, 0, 0, + 1/2 B. 4, 1, + 1, − 1/2C. 4, 2, + 2, +1/2D. 4, 0, 0, − 1/2Order of energy is (1) A > B > C > D (2) D > C > B > A (3) C > B > A > D (4) B > C > D > A |
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Answer» Correct option (3) C > B > A > D Explanation: The electrons A is (5s), B(4p), C(4d) and (4s) respectively. Energy level is 4d > 4p > 5s > 4s. |
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| 28. |
If elements of principal quantum number n > 4 were not allowed in nature, the number of possible elements will be (1) 4 (2) 32 (3) 60 (4) 64 |
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Answer» The Correct option is (3) 60 |
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| 29. |
When diameter of the aperture of the objective of an astronomical telescope is increased, its : (a) magnifying power and resolving power both are increased (b) magnifying power remains the same but resolving power is increased (c) magnifying power and resolving power both are decreased (d) magnifying power is increased and resolving power is decreased |
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Answer» Correct option (a) magnifying power and resolving power both are increased Explanation: Since, intensity ∝ (diameter of the lens) 2 , therefore, diameter of aperture of the objective lens should be large, so, that more and more rays may enter in the telescope and hence, the intensity of image gets increased. Also resolving power is also increased. |
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| 30. |
Given (A): The Bohr model of the Hydrogen atom does not explain the fine structure of spectral lines. (R): The Bohr model does not take into account the spin of the electron. (1) Both A and R are true and R is the correct explanation of A (2) Both A and R are true but R is not the correct explanation of A (3) A is true but R is false (4) A is false but R is true |
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Answer» The Correct option is (1) Both A and R are true and R is the correct explanation of A |
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| 31. |
Pick the correct relation from the following statements.A is the son of B. C is the uncle of A and D is the wife of B. What is D to A ? (a) daughter (b) niece (c) son (d) mother |
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Answer» Correct option (d) mother Explanation: According to question, B and D are the husband and wife and A is the son of B. |
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| 32. |
Find the odd man out.(a) And (b) Now (c) For (d) If |
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Answer» Correct option (b) Now Explanation: And, For and If are the conjuctions while ‘Now’ is an adverb. Therefore, odd man is Now, i.e., |
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| 33. |
Which of the following has 3 significant figures? (1) 15.7 (2) 1040 (3) 1.57 (4) all of above |
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Answer» The Correct Option is (4) all of above |
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| 34. |
Direction :In the following question, four out of the five alternatives are similar and form a group. Find the odd one that does not belong to the group. (1) Rectangle (2) Rhombus (3) Square (4) Circle (5) Trapezium |
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Answer» The Correct option is (4) Circle |
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| 35. |
Direction:Select the figure which does not belong to the group. |
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Answer» Correct option (2) Explanation: All other figures can be rotated into each other. |
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| 36. |
Direction: In the following question select the figure from a set of four figures 1, 2, 3, 4 that can be formed by joining the figures gives in box marked (X) |
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Answer» The Correct option is (1) |
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| 37. |
Choose the figure from the five alternatives 1, 2, 3, 4 and 5 will fit into the box? of the figure marked X |
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Answer» The Correct Option is (4) |
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| 38. |
Direction: Choose the figure from among the five alternatives 1, 2, 3, 4 and 5, that which will fit into the box (?) of the figure (X) |
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Answer» The Correct option is (3) |
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| 39. |
In the following question a set of three figures X, Y, Z showing a sequence in which a paper is folded and finally cut is given. Below that there is a set of answer figures marked (1, 2, 3 and 4) showing the design the paper actually acquires when it is unfolded is given. Choose the correct alternative which resembles the unfolded piece of paper. |
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Answer» The Correct option is (3) |
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| 40. |
Choose the figure from the five alternatives 1, 2, 3, 4 and 5 that can be formed by joining the figures given in box marked (X). |
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Answer» The Correct option is (3) |
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| 41. |
Directions : Each sentence below has a blank space indicating that something has been left out. Following each sentence four words are given. Choose the word that makes the sentence meaningful.His moral decadence was marked by his _______ from the ways of integrity and honesty. (1) declivity (2) obsession (3) opprobrium (4) departure |
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Answer» His moral decadence was marked by his departure from the ways of integrity and honesty. |
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| 42. |
Two conductors A and B bent into circles are held with their planes perpendicular to each other so that their centres coincide. A current is flowing in coil A while there is no current in B. If the current is changed suddenly, then in coil B (1) no current is induced (2) smaller current than that of A is induced (3) a larger current than that of A is induced (4) none of the above |
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Answer» The Correct option is (1) no current is induced |
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| 43. |
Insert the missing number in the series.1, 3, 6, 10, 15, …, 28, 36, 45 : (a) 17 (b) 19 (c) 21 (d) 22 |
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Answer» Correct option (c) 21 Explanation: The differences of each successive and previous numbers has the sequential increase of one as :3 − 1 = 2, 6 − 3 = 3, 10 − 6 = 4, 15 − 10 = 5, 21 − 6 = 15, 28 − 7 = 21, 36 − 8 = 28, 45 − 9 = 36, (i.e. 2, 3, 4, 5, 6, 7, 8 and 9). Therefore, the missing number is 21. |
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| 44. |
In a certain 2-input logic gate, when A = 0, B = 0, then C =1 and when A = 0, B = 1 then again C = 1. It must be ...... gate. (1) XOR (2) AND (3) NAND (4) NOR |
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Answer» In a certain 2-input logic gate, when A = 0, B = 0, then C =1 and when A = 0, B = 1 then again C = 1. It must be NAND gate. |
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| 45. |
A mixture of camphor and benzoic acid can be separated by : (a) chemical method (b) fractional crystallisation (c) extraction with a solvent (d) sublimation |
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Answer» Correct option (a) chemical method Explanation: Aqueous solution of NaHCO3 can be used to separate benzoic acid from its mixture with camphor. Benzoic acid forms water soluble sodium benzoate with NaHCO3. |
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| 46. |
Compare the total energy (Eb ) of a bound system such as nucleus with the total energy (Es) of the separated nucleons: (1) Eb < Es (2) Eb = Es (3) Eb > Es (4) depends on how heavy the nucleus is |
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Answer» The Correct option is (2) n-type |
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| 47. |
H2S2O8 is : (a) Marshall’s acid (b) a peroxy compound (c) an intermediate in the manufacture of H2SO4 (d) (a) and (b) both |
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Answer» Correct option(d) (a) and (b) both Explanation: H2S2O8 is called Marshall’s acid or peroxydi-sulphuric acid (due to peroxide linkage). |
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| 48. |
Directions: In each question you find a set of sentences arranged in a haphazard way. Choose the correct arrangement of sentences as indicated by the number to make a coherent paragraph.A. The other two south Asian contenders for the worlds most coveted literary prize were Indira Sinha for Animals People and Mohsin Hamid for The Reluctant Fundamentalist. B. Nobody was more surprised than the 45 year old another herself. C. The choice raised eyebrows and prompted praise for the jurys bold move though there was a lack of happy unenimity. D. The judges hailed it as a powerful and unflinching study of a grieving dysfunctional family. E. She won an award of £ 50,000 for her novel The gathering. F. Irish writer Anne Enright was declared the surprise winner of the Man Booker Prize. (1) ABCEFD (2) FBECAD (3) FEDCBA (4) DACFBE |
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Answer» The Correct Option is (3) FEDCBA |
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| 49. |
Read the passage and answer the questions.If I had been asked in my early youth whether I preferred to have dealings only with men or only with books, my answer would certainly have been in favour of books. In later years, this has become less and less the case. Not that I have had so much better experiences with men than with books, on the contrary, purely delightful book even now come my way more often than purely delightful men. But the many bad experiences with men have nourished the meadow of my life as the noblest book could not do.The author says thay in later years his love of books diminished because : (a) he had given up the habit of reading books (b) he did not got many delightful books to read (c) he had better experience with men than with books (d) even the bad experiences he had with men were more valuable than what the noblest book gave |
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Answer» Correct option (d) even the bad experiences he had with men were more valuable than what the noblest book gave Explanation: According to the passage the author says that in later years his love of books diminished because even the bad experiences he had with men were more valuable than what the noblest book gave. |
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| 50. |
Read the following passage carefully and answer the questions given below in the passage. Certain words/phrases in the passage are given in bold to locate them while answering some of the questions. The world of today has achieved much, but for all its declared love for hymanity it has based itself for more on hatred and violence than on the virtues that make man human. War is the negation of truth and humanity. Sometimes, war may be unavoidable but its progeny are terrible to contemplate. Not mere killing, for man must die, but the deliberate and persistent propagation of harted and falsehood, which gradually become the normal habits of the people. It is dangerous and harmful to be guided in our life’s course by hatreds and aversions, for they are wasteful of energy and limit and twist the mind, and prevent if from perceiving the truth.The world’s declared love of humanity is : (a) not to be taken seriously (b) non existent (c) false (d) true |
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Answer» Correct option (a) not to be taken seriously Explanation: According to the author the world’s declared love of humanity is considered to be a serious matter because of its false nature. |
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