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. |
Digestion of which component of the food is likely to be most adversely affected if the pH of stomach is made neutralA. StarchB. ProteinC. FatD. Sucrose |
| Answer» Correct Answer - B | |
| 2. |
A boy watches a jet plane flying from north to south. When the jet is just seen above his head, the sound of jet appears to reach him makin some angle with horizontal from north.If the velocity of jet is v/2, then find the angle.A. `60^(@)`B. `30^(@)`C. `45^(@)`D. `15^(@)` |
| Answer» Correct Answer - A | |
| 3. |
Carbon can reduce ferric oxide to iron at a temperature above 983K, becauseA. carbon monoxide formed is thermodynamically less stable than ferric oxideB. carbon has a higher affinity towards oxygen than ironC. free energy change for the formation of carbon dioxide is less negative than that for ferric oxideD. iron has a higher affinity towards oxygen than carbon |
| Answer» Correct Answer - B | |
| 4. |
A point source S is placed at the bottom of a transparent block of height 10mm and refractive index 2.72 it is immersed in a lower refractive index liuiqd as shown in the figure. It is found that the light emerging from the block to the liquid forms a circular bright spot of diameter 11.54 mm of the top of the block. the refractive index of the liquid is A. 1.21B. `1.30`C. `1.36`D. `1.42` |
| Answer» Correct Answer - C | |
| 5. |
If the change in the value of g at a height h above the surface of the earth is the same as at a depth x below it, then (both x and h being much smaller than the radius of the earth)A. `x=h`B. `x=2h`C. `x=h//2`D. `x=h^(2)`. |
| Answer» Correct Answer - B | |
| 6. |
The moment of inertia of a body about a given axis is `1.2 kg m^(2)`. Initially, the body is at rest. In order to produce a rotational `KE` of `1500 J`, for how much duration, an acceleration of `25 rad s^(-2)` must be applied about that axis ?A. 4sB. 2sC. 8sD. 10s |
| Answer» Correct Answer - B | |
| 7. |
What is relative contribution of `CO_2, CH_4, CFC` and `N_2O` to global warming?A. 20%, 14%, 60%, 6%B. 14%, 6%, 20%, 60%C. 6%, 14%, 20%, 6%D. 60%, 20%, 14%, 6% |
| Answer» Correct Answer - D | |
| 8. |
Find the force of interaction between two dipoles. If they are placed parallel to each other and placed at a distance x apart. A. `(3p_(1)p_(2))/(2piepsi_(0)x^(4))`B. `(p_(1)p_(2))/(4piepsi_(0)x^(4))`C. `(p_(1)p_(2))/(3piepsi_(0)x^(4))`D. `(p_(1)p_(2))/(3piepsi_(0)x^(4))` |
| Answer» Correct Answer - A | |
| 9. |
A diploid female plant and a tetraploid male plant are crossed. The ploidy of endosperm shall beA. TetraploidB. TriploidC. DiploidD. Pentaploid |
| Answer» Correct Answer - A | |
| 10. |
When chlorine is passed through propene at `400^(@)` which of the following is formed?A. PVCB. Allyl chlorideC. Nickel chlorideD. 1,2-dichloroethane |
| Answer» Correct Answer - B | |
| 11. |
A copolymer isA. styrene butadiene rubberB. polytheneC. teryleneD. nylon |
| Answer» Correct Answer - A | |
| 12. |
Glycosylation occurs inA. ChloroplastsB. Golgi apparatusC. MitochondriaD. Ribosomes |
| Answer» Correct Answer - B | |
| 13. |
Which accessory genetial gland occurs only in mammalian male?A. Cowper’s glandB. Bartholin glandC. Prostate glandD. Perineal gland |
| Answer» Correct Answer - C | |
| 14. |
Basal placentation occurs inA. LemonB. PeaC. DianthusD. Sunflower |
| Answer» Correct Answer - D | |
| 15. |
Keystone species areA. A small proportion of total biomass but has a huge impact on community’s organisation and survivalB. A plenty of biomass but low impact on community’s organisationC. A rare species with little impact on biomass and other species in the communityD. A dominant species which has a large proportion of biomass and which affects many other species |
| Answer» Correct Answer - A | |
| 16. |
Find the correct match. 1-Prostate , 2-Bulbourethral, 3-Ejaculatory duct , 4-seminal vesicle, 5-vas deferens. A. a—1, b—3, c—2, d—5, e—4B. a—3, b—4, c—5, d—2, c—1C. a—3, b—4, c—2, d—5, c—1D. a—3, 5—4, c—5, d—1, e—2 |
| Answer» Correct Answer - B | |
| 17. |
Recognize the different region in the root section. I Root hair activity ii. Region of meristematic iii. Region of elongation iv. Region of maturation.A. a-iii,b-ii,c-iv,d-iB. a-ii,b-iii,c-I,d-ivC. a-iii,b-iv,c-I,d-iiD. a-iii,b-iv,c-ii,d-i |
| Answer» Correct Answer - C | |
| 18. |
p-chloro aniline and anilinium hydrochloride can be distinguished byA. Sandmeyer reactionB. `NaHCO_(3)`C. `AgNO_(3)`D. carbylamine test |
| Answer» Correct Answer - C | |
| 19. |
Which of the following quantities is zero on an average for the molecules of an ideal gas in equilibrium?A. Kinetic energyB. MomentumC. DensityD. Speed |
| Answer» Correct Answer - B | |
| 20. |
An endotthermic reaction is non-spontaneous at freezing point of water and becomes feasible at its boiling point, then:A. `DeltaH=`negative, `DeltaS`=positiveB. both `DeltaH and DeltaS` are positiveC. Both `DeltaH and DeltaS` are negativeD. `DeltaH`=positive, `DeltaS`=negative |
| Answer» Correct Answer - B | |
| 21. |
Equal weights of Zn metal and iodine are mixed together and `I_(1)` is completley converted to `ZnI_(2)`. What fractionn by weight of original Zn remains unreacted? (Zn=65,I=127)A. 0.34B. 0.74C. 0.84D. Unable to predict |
| Answer» Correct Answer - B | |
| 22. |
For an ideal biinary liquid solution with `p_(A)^(@) gt p_(B)^(@),` which is a relationn between `X_(A)` (mole fraction of A in liquid phase) and `Y_(A)` (mole fractionn of A in vapour phase) is correct, `X_(B) and Y_(B)` are mole fractions of B in liquid and vapour phase respectively?A. `X_(A)=Y_(A)`B. `X_(A) gt X_(B)`C. `(X_(A))/(X_(B)) lt (Y_(A))/(Y_(B))`D. `X_(A),Y_(B),X_(B and Y_(B)` cannot be correlated |
| Answer» Correct Answer - C | |
| 23. |
In the temperature of 1 mole of a gas is increased by `50^(@)C`. Calculate chagne in kinetic energy:A. 623.25JB. 6.235JC. 623.5JD. 6235.0J |
| Answer» Correct Answer - C | |
| 24. |
The photoelectric threshold for a certain metal surface is 3600 Å. If themeal surface is irradiated by a wavelength of 1100 Å, the kinetic energy of the emitted photoelectrons isA. 1.1 eVB. 2 eVC. 2.3 eVD. 7.8 eV |
| Answer» Correct Answer - D | |
| 25. |
Flowering plants have evolved outbreeding devices becauseA. Cross pollination provides greater chances of double fertilizationB. Larger number of pollinators are available transfer of pollenC. Pollen production is very high resulting in higher seed productionD. Continued self-pollination results in inbreeding depression |
| Answer» Correct Answer - D | |
| 26. |
An organic compound (A) contatns 20% C, 46.66% N and 6.66% H. It gave NH3 gas on heating with NaOH. The organic compound (A) could beA. `CH_(3)CONH_(2)`B. `C_(6)H_(5)CONH_(2)`C. `NH_(2)CONH_(2)`D. `CH_(3)NHCONH_(2)` |
| Answer» Correct Answer - C | |
| 27. |
The source of commerical peat isA. RicciaB. SphagnumC. SelaginellaD. Marchantia |
| Answer» Correct Answer - B | |
| 28. |
A monocarpic plant is one whichA. Produces one fruit per plantB. Dies after flowering onceC. Bears one carpel per flowerD. Has one main stem, but no branches |
| Answer» Correct Answer - B | |
| 29. |
Amphibians of plant kingdom areA. PteridophytesB. GymnospermsC. BryophytesD. Algae |
| Answer» Correct Answer - C | |
| 30. |
The helical structure of DNA is due toA. Linkage between phosphate and pentose sugarB. Paralle polarity of two polynucleotide chainsC. Two chains coiled in a left-handed fashionD. Hydrogen bonds between purines and pyrimidines |
| Answer» Correct Answer - D | |
| 31. |
Automated - DNA sequencers are based on method developed byA. Erwin ChargaffB. Alec JefferysC. Francis CrickD. Frederick Sanger |
| Answer» Correct Answer - D | |
| 32. |
The total energy of an electron in the nth orbit of the hydrogen atom is proportional toA. nB. 1/nC. `-1//n^(2)`D. `1//n^(2)` |
| Answer» Correct Answer - C | |
| 33. |
There is a circular tube in a vertical plane. Two liquids which do not mix and of densiities `d_(1) and d_(2)` are filled I the tube. Each liquid subtends `90^(@)` angle at centre. Radius joining their interface makes an angle `alpha` with vertical. Ratio `d_(1)//d_(2)` isA. `(1+sinalpha)/(1-sinalpha)`B. `(1+cosalpha)/(1-cosalpha)`C. `(1+tanalpha)/(1-tanalpha)`D. `(1+sinalpha)/(1-cosalpha)` |
| Answer» Correct Answer - C | |
| 34. |
`n` identical coherent waves each with the same initial phase arrive at a point with identical path length. The intensity produced at this point is `l_(1)`. If the waves are all incoherent, the intensity produced is `l_(2)`. The ratio `(l_(1))/(l_(2))` isA. `nl_(0)`B. `n^(2)l_(0)`C. `n^(3)l_(0)`D. `(l_(n))/(n)` |
| Answer» Correct Answer - B | |
| 35. |
Genotypically the pollen grains produced by an anthur belong toA. One typeB. Two typeC. Many typeD. All the above |
| Answer» Correct Answer - C | |
| 36. |
The output of the combination of the gates shown is A. `(overline(A+(overline((A.B)))))`B. `(A.B)+(overline(A).overline(B))`C. `(A+B).(overline(A.B))`D. `(A+B)(overline(A)+overline(B))` |
| Answer» Correct Answer - A | |
| 37. |
What is common to Lantana, Eichhornia and Africa catfish?A. All are endangered species of IndiaB. All are key stone speciesC. All are mammals found in IndiaD. All the species are neither threatened nor indigenous species of India |
| Answer» Correct Answer - D | |
| 38. |
Select the correct match.A. Chloroplasts—Endomembrane systemB. Mycoplasma—Cellulosic cell wallC. Algal cell wall—Galactans and mannansD. Mesosomes—ER extensions |
| Answer» Correct Answer - C | |
| 39. |
Albuminous seeds are found inA. GroundnutB. CastorC. SunflowerD. Wheat |
| Answer» Correct Answer - A | |
| 40. |
During a redox titration involving a solution containing `Fe^(2+)` ions against `MnO_(4)^(-)` in the presence of excess of `H^(+)` ions, the number of electrons, that gets transferred isA. 6B. 5C. 4D. 2 |
| Answer» Correct Answer - B | |
| 41. |
The special structures required for transport of materials across the cell membrane areA. Fatty acidsB. PhosphatesC. PhospholipidsD. Proteins |
| Answer» Correct Answer - D | |
| 42. |
A charge q(gt0) moves towards the centre of a circular loop of radius R along its axis. The magnitude of B along the periphery of the loop is A. zeroB. `(mu_(0))/(4pi)(qvR)/(sqrt((R^(2)+x^(2))^(3)))`C. `(qvR)/(sqrt(R^(2)+x^(2)))`D. none of these |
| Answer» Correct Answer - B | |
| 43. |
Lone pair and `pi`-bonds exist inA. `XeF_(2)`B. `XeO_(3)`C. `XeF_(6)`D. `XeO_(4)` |
| Answer» Correct Answer - B | |
| 44. |
Which of the following is not correct about the solution when moderate amount of sodium metal is dissolved in liquid ammonia at low temperature ?A. `Na^(+)` ions are formed in the solutionB. Blue coloured solution is obtainedC. Liquid `NH_(3)` becomes good conductor of electricityD. Liquid ammonia remains diamagnetic |
| Answer» Correct Answer - D | |
| 45. |
A cylinderical cavity of diameter a exists inside a cylinder of diameter 2a as shown in the figure. Both the cylinder and the cavity are infinitely long. A uniform current density J flows along the length. If the magnitude of the magnetic field at the point P is given by `(N)/(12)mu_(0)aJ`, then the value of N is A. 5B. 6C. 7D. 4 |
| Answer» Correct Answer - B | |
| 46. |
Dipole moment and ionisation constant are maximum in case ofA. HF,HFB. HF,HIC. HI,HFD. HI,HI |
| Answer» Correct Answer - B | |
| 47. |
Which of the following expression represents the relation between orbital magnetic moment and orbital angular momentum of an electron?A. `mu_("orb")=-(2m_(e))/(e)L_("orb")`B. `mu_("orb")=-2m_(e)L_("orb")`C. `mu_("orb")=(e)/(2m_(e))L_("orb")`D. `mu_("orb")=(e)/(2m_(e))L_("orb")` |
| Answer» Correct Answer - C | |
| 48. |
What work must be done to rotate an electricdipole thurgh an angle `theta` with the electric field, if an electric dipole of moment P is placed in an uniform electric field E with P parallel to E ?A. `W=pE(1-costheta)`B. `W=pE(1+costheta)`C. `W=2pE(1-costheta)`D. none of these |
| Answer» Correct Answer - A | |
| 49. |
Angle between equipotential surface and lines of force isA. `45^(@)`B. `90^(@)`C. `0^(@)`D. `180^(@)` |
| Answer» Correct Answer - B | |
| 50. |
A `5^(@)C` rise in the temperature is observed in a conductor by passing some current. When the current is doubled, then rise in temperature will be equal toA. `20^(@)`B. `16^(@)C`C. `12^(@)C`D. `10^(@)C` |
| Answer» Correct Answer - A | |