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.
| 1051. |
Which of the following pairs is correctly matched ?A. Fibrous joint – between phalangesB. Cartilaginous joint – skull bonesC. Gliding joint – between zygapophyses of the successive vertebraeD. Hinge joint – between vertebrae |
| Answer» Correct Answer - C | |
| 1052. |
The following equilibria are given by `:` `N_(2)+3H_(2) hArr 2NH_(3), K_(1)` `N_(2)+O_(2) hArr 2NO,K_(2)` `H_(2)+(1)/(2)O_(2) hArr H_(2)O, K_(3)` The equilibrium constant of the reaction `2NH_(3)+(5)/(2)O_(2)hArr 2NO +3H_(2)O` in terms of `K_(1) , K_(2)` and `K_(3)` isA. `(K_(1)K_(2))/(3)`B. `(K_(2)K_(3)^(3))/(K_(1))`C. `(K_(2)K_(3)^(2))/(K_(1))`D. `(K_(2)^(2)K_(3))/(K_(1))` |
| Answer» Correct Answer - B | |
| 1053. |
Which one of the following is the main graveyard of RBC `:-`A. KidneyB. SpleenC. LiverD. Gall bladder |
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Answer» Correct Answer - B (Chapter - Body fluids and circulation formed elements (Erythrocytes) |
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| 1054. |
Through their effect on plant growth regiulators, what do the temperature and light control in the plantsA. FloweringB. Closure of stomataC. Fruit elongationD. Apical dominance |
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Answer» Correct Answer - A Effect of temperature (low temperature) on flowering is vernalization and also relative length of day and night affects flowering called as photoperiodism. Both these involves hormone vernalin and florigen. |
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| 1055. |
A charge `q` is located at the centre of a cube. The electric flux through any face isA. `(2piq)/(6(4piepsilon_0))`B. `(4piq)/(6(4piepsilon_0))`C. `(piq)/(6(4piepsilon_0))`D. `(q)/(6(4piepsilon_0))` |
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Answer» Correct Answer - B Electric flux through any face =`"Total flux"/"number of faces"=((q//E_0))/6` |
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| 1056. |
A charged particle moves through a magnetic field in a direction perpendicular to it. Then theA. Speed of the particle remains unchangedB. Direction of the particle remains unchangedC. Acceleration remains unchangedD. Velocity remains unchanged |
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Answer» Correct Answer - A Here`vecFbotvecv=|vecv|`=constant |
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| 1057. |
Two 220 V,100 W bulbs are connected first in series and then in parallel. Each time the combination is connected to a 220 V AC supply line. The power drawn by the combination in each case respectively will be :A. 50 watt, 100 wattB. 100 watt, 50 wattC. 200 watt, 150 wattD. 50 watt, 200 watt |
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Answer» Correct Answer - D If rated voltage =supply voltage then use `1/P=1/P_1+1/P_2` (series connection ) & `P=P_1+P_2` (parallel connection ) |
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| 1058. |
Solar energy is mainly caused due toA. burning of hydrogen in the oxygenB. fission of uranium present in the sunC. fusion of protons during synthesis of heavier elementsD. gravitational contraction |
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Answer» Correct Answer - C Solar energy `to` fusion of protons into helium |
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| 1059. |
Fuse wire is a wire of :A. high resistance and high melting pointB. high resistance and low melting pointC. low resistance and low melting pointD. low resistance and high melting point |
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Answer» Correct Answer - B Fuse wire must have high resistance (per unit length) & low melting point |
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| 1060. |
The volume occupied by an atom is greater than the volume of the nucleus by factor of aboutA. `10^1`B. `10^5`C. `10^10`D. `10^15` |
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Answer» Correct Answer - D `"Volume of atom"/"volume of nucleus " ~ (10^(-10)/10^(-15))^3=10^15` |
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| 1061. |
Reverse bias applied to a junction diodeA. Lowers the potential barrierB. raises the potential barrierC. increases the majority carrier currentD. increases the minority carrier current |
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Answer» Correct Answer - B Reverse bais increases the potential barrier. |
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| 1062. |
A diamagnetic material in a magnetic field movesA. from stronger to the weaker parts of the fieldB. from weaker to the stronger parts of the fieldC. perpendicular to the fieldD. in none of the above directions |
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Answer» Correct Answer - A A diamagnetic material in a magnetic field moves from stronger to the weaker part of the field |
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| 1063. |
If a full wave rectifier circuit is operating from `50 Hz` mains, the fundamental frequency in the ripple will beA. 25 HzB. 50 HzC. 70.7 HzD. 100 Hz |
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Answer» Correct Answer - D In FWR, ripple freq. = 2 x source Freq. |
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| 1064. |
Mast cells secrete :-A. HippurinB. MyoglobinC. HistamineD. Heamoglobin |
| Answer» Correct Answer - C | |
| 1065. |
What is phytotron?A. A device to grow the plants in controlled environmentB. Growing plants in green houseC. Radiation chamber to induce the mutationsD. Apparatus to study the effect of light on plants |
| Answer» Correct Answer - A | |
| 1066. |
Species diversity is maximum in:-A. Tropical rain forestB. Temperate forestC. DesertsD. Hill slops |
| Answer» Correct Answer - A | |
| 1067. |
Black rust of wheat is caused byA. PucciniaB. UstilagoC. AlbugoD. BIOtophthora |
| Answer» Correct Answer - A | |
| 1068. |
Which of the following animals have scattered cells with cell - tissues grade organization ?A. SpongeB. HydraC. Liver flukeD. Ascaris |
| Answer» Correct Answer - B | |
| 1069. |
Due to discovery of which of the following in 1980, the evolution was termed as RNA world :A. m-RNA, t-RNA- r-RNA synthesise proteinsB. In some virus RNA is genetic materialC. RNA have enzymatic propertyD. RNA is not found in all cells |
| Answer» Correct Answer - C | |
| 1070. |
Similarity in organisms with different genotypes indicates `:`A. MicroevolutionB. MacroevolutionC. Convergent evolutionD. Divergent evolution |
| Answer» Correct Answer - C | |
| 1071. |
Presence of gills in the tadpole of frog indicates that `:`A. Fishes evolved from frog like ancestorsB. Frogs will have gills in futureC. Frogs evolved from gilled ancestorsD. Fishes were amphibious in the past |
| Answer» Correct Answer - C | |
| 1072. |
The biodegradable polymer is :A. Buna-SB. nylon-6,6C. nylon 2-nylon 6D. nylon-6 |
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Answer» Correct Answer - C Nylon-2-Nylon-6 Biodegradable polymer |
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| 1073. |
For an ideal solution, the correct option is:A. `triangle_(mix)G=0` at constant `T` and PB. `triangle_(mix)S=0` at constant T and PC. `triangle_(mix)Vne0` at constant T and PD. `triangle_(mix)H=0` at constant T and P |
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Answer» Correct Answer - D For ideal solution `triangle_(mix)Glt0` at constant T and P `triangle_(mix)Sge0` at constant T and P `triangle_(mix)V=0` at constant T and P `triangle_(mix)H=0` at constant T and Pf `triangle_(mix)=H=0` at constant T and P |
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| 1074. |
Which is the correct thermal stability order of `H_(2)E(E=O,S,Se,Te` and `Po)`?A. `H_(2)SeltH_(2)TeltH_(2)PoltH_(2)OltH_(2)S`B. `H_(2)SltH_(2)OltH_(2)SeltH_(2)TeltH_(2)Po`C. `H_(2)OltH_(2)SltH_(2)SeltH_(2)TeltH_(2)Po`D. `H_(2)PoltH_(2)TeltH_(2)SeltH_(2)SltH_(2)O` |
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Answer» Correct Answer - D In oxygen family down the group thermal stability decreases order of thermal stability `H_(2)OgtH_(2)SgtH_(2)SegtH_(2)TgtH_(2)Po`] this is because M-H bond dissociation energy decrease down the group with the increase in the size of central atom. |
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| 1075. |
The compound that is most difficult protonate isA. B. C. D. |
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Answer» Correct Answer - A `Ph-underset(..)overset(..)(O)-Hto` lone pair of oxygen in conjugation so less basic and difficult to protonated (phenol) |
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| 1076. |
The correct order of the basic strength of methyl substituted amines in aqueous solution isA. `CH_(3)NH_(2)gt(CH_(2))_(2)NHgt(CH_(3))_(3)N`B. `(CH_(3))_(2)NHgtCH_(3)NH_(2)gt(CH_(3))_(3)N`C. `(CH_(3))_(3)NgtCH_(3)NH_(2)gt(CH_(3))_(2)NH`D. `(CH_(3))_(3)Ngt(CH_(3))_(2)NHgtCH_(3)NH_(2)` |
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Answer» Correct Answer - B `K_(b)` of methyl substituted amines in auous solution depend upon combined effect of `+l` of methyl and solubility in `H_(2)O` by H-bonding and order is `K_(b)(CH_(3))_(2)NHgtCH_(3)-NH_(2)gt(CH_(3))_(3)N` |
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| 1077. |
A gas at 350 K and 15 bar has molar volume 20 percent smaller than that for an ideal gas under the same conditions. The correct option above the gas and its compressibility factor (Z) is :A. Z lt 1 and repulsive forces are dominantB. Z gt 1 and attractive forces are dominant.C. Z gt 1 and repulsive forces are dominant.D. Z lt 1 and attractive forces are dominant |
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Answer» Correct Answer - D `V_(i)=V`, ltrgt `V_(r)=V-0.2V=0.8V` if value of Zlt1 then attractive forces are dominant, `(Z=(V_(r))/(V_(i))=0.8)` |
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| 1078. |
Two identical balls `A and B` having velocity of `0.5 m//s and -0.3 m//s` respectively collide elastically in one dimension. The velocities of `B and A` after the collision respectively will beA. `-0.5 m//s and 0.3 m//s`B. `0.5 m//s and -0.3 m//s`C. `-0.3m//s and 0.5 m//s`D. `0.3 m//s and 0.5 m//s` |
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Answer» Correct Answer - B Velocity will interchanges So `V_(B)=0.5," "V_(A)=-0.3` |
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| 1079. |
A plant requires phosphorus forA. Cell wall developmentB. Holding cells togetherC. Protein synthesisD. Chlorophyll synthesis |
| Answer» Correct Answer - D | |
| 1080. |
Probiotics areA. Live microbial food supplementB. Safe antibioticsC. Cancer inducting microbesD. New kind of food allergens |
| Answer» Correct Answer - A | |
| 1081. |
The electronic configuration of four elements are given below. Which elements does not belong to the same family as others? (a) [Xe]4f145d101s2 (b) [Kr]4d105s2 (c) [Ne]3s23p5 (d) [Ar]3d104s2 |
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Answer» The correct option is : (c) [Ne]3s23p5 Explanation: Elements (a), (b) and (d) belong to the same group since each one of them has two electrons in valence shell. In contrast, element (c) has seven electrons in the valence shell, and hence it lies in other group. |
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| 1082. |
Which of the following pairs of compounds is isoelectronic and isostructural?A. `BeCl_(2), XeF_(2)`B. `TeI_(2), XeF_(2)`C. `IBr_(2)^(-),XeF_(2)`D. `IF_(3),XeF_(2)` |
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Answer» Correct Answer - C `IBr_(2)^(-),XeF_(2)` Total number of valence electrons are equal in both the species and both the species are linear also. |
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| 1083. |
Role of enzyme in reactionA. Decrease activation energyB. Increase activation energyC. Inorganic catalystD. None of the above |
| Answer» Correct Answer - A | |
| 1084. |
What happens in light reaction (Photo chemical reaction)A. Formation of ATP and `NADPH_(2)`B. Formation of ATPC. Formation of sugarD. Breakdown of sugar |
| Answer» Correct Answer - A | |
| 1085. |
Most of the mutations are:A. harmfulB. harmful and recessiveC. BeneficialD. Dominant |
| Answer» Correct Answer - B | |
| 1086. |
Electrons from excited chlorophyll molecule of photosystem II are accepted first byA. QuinoneB. FerredoxinC. Cytochrome-bD. Cytochrome-f |
| Answer» Correct Answer - A | |
| 1087. |
What used to be described as Nissl granules in a nerve cell are now identified asA. Cell metabolitesB. Fat granulesC. RibosomesD. Mitochondria |
| Answer» Correct Answer - C | |
| 1088. |
A forward biased diode isA. B. C. D. |
| Answer» Correct Answer - D | |
| 1089. |
The core of a transformer is laminated because:-A. Energy losses due to eddy currents may be minimisedB. The weight of the transformer may be reducedC. Rusting of the core may be preventedD. Ratio of voltage in primary and secondary may be increased |
| Answer» Correct Answer - A | |
| 1090. |
A photocell employs photoelectric effect to convertA. Change in the frequency of light into a change in electric voltageB. Change in the intensity of illumination into a change in the work function of the photocathodeC. Change in the frequency of light into a change in the electric currentD. Change in the frequency of light into a change in the electric current |
| Answer» Correct Answer - B | |
| 1091. |
Which of the following are suitable for the fusion process ?A. Light nucleiB. heavy nucleiC. Element must be lying in the middle of the periodic tableD. Middle elements, which are lying on binding energy curve |
| Answer» Correct Answer - A | |
| 1092. |
To convert a galvanometer into a voltmeter, one should connect aA. High resistance in series with galvanometerB. Low resistance in series with galvanometerC. High resistance in parallel with galvanometerD. Low resistance in parallel with galvanometer |
| Answer» Correct Answer - A | |
| 1093. |
A wave travelling in positive X-direction with `A=0.2m` has a velocity of `360 m//sec` if `lamda=60m`, then correct exression for the wave isA. `y=0.2 sin [2pi(6t+x/60)]`B. `y=0.2 sin [pi(6t+x/60)]`C. `y=0.2 sin [2pi(6t-x/60)]`D. `y=0.2 sin [pi(6t-x/60)]` |
| Answer» Correct Answer - C | |
| 1094. |
What is the number of atoms per unit cell in a body centred cubic structure ?A. 9B. 4C. 2D. 1 |
| Answer» Correct Answer - C | |
| 1095. |
The best laboratory approximation to an ideal black body is .A. Black lampB. Cavity maintained at constant temperatureC. Platinum blackD. A lump of charcoal heated to high temp. |
| Answer» Correct Answer - B | |
| 1096. |
Oxygenic photosynthesis occurs inA. ChlorobiumB. ChromatiumC. OscillatoriaD. Rhodospirillum |
| Answer» Correct Answer - 3 | |
| 1097. |
Which breaks dormancy of potato tuber : -A. GibberellinB. IAAC. ABAD. Zeatin |
| Answer» Correct Answer - A | |
| 1098. |
Hormone responsible for ageing isA. ABAB. AuxinC. GAD. Cytokinin |
| Answer» Correct Answer - A | |
| 1099. |
In S–phase, DNA is replicated in a medium containing radioactive thymidine, radioactivity will be observed in :A. EuchromatinB. HeterochromatinC. BothD. Nucleolus |
| Answer» Correct Answer - C | |
| 1100. |
CO is harmful becauseA. It forms stable compound with hemoglobinB. It blocks mitosisC. It is mutagenicD. It causes defoliation |
| Answer» Correct Answer - A | |