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.
| 1351. |
Hogo de Vries gave his mutation theory on organic evolution while working on `:`A. Oenothera lamarckianaB. Drosophila melanogasterC. Pisum sativumD. Althea rosea |
| Answer» Correct Answer - A | |
| 1352. |
Which factor is responsible for inhibition of enzymatic process during feed back:A. SubstrateB. EnzymesC. End productD. Temperature |
| Answer» Correct Answer - C | |
| 1353. |
During viral infection the protein formed in host cells to resist is:A. InterferoneB. AntitoxinC. AnitbodyD. Histone |
| Answer» Correct Answer - A | |
| 1354. |
Which hormone is maximum in coconut milk ?A. CytokininB. AuxinC. GibberellinD. Ethylene |
| Answer» Correct Answer - A | |
| 1355. |
Plasmid has been used as vector becauseA. It is ciruclar DNA which have capacity to join to eukaryotic DNAB. It can move between prokaryotic and enkaryotic cellsC. Both ends show repicationD. It has antibiotic resistance gene |
| Answer» Correct Answer - A | |
| 1356. |
One of the synthetic auxin isA. IBAB. NAAC. IAAD. GA |
| Answer» Correct Answer - 2 | |
| 1357. |
Which one of the following acids is a derivative of carotenoids?A. Abscisic acidB. Indole butyric acidC. Indole-3-acetic acidD. Gibberellic acid |
| Answer» Correct Answer - 1 | |
| 1358. |
A solution contains non-volatile solute of molecular mass`M_(2)`which of the following can be used to calculate the molecular mass of solute in terms of osmotic pressure? (`m_(2)` =mass of solute,V=volume of solution,`pi` =osmotic pressure)A. `M_2=(m_2/pi)VRT`B. `M_2=(m_2/V)"RT"/pi`C. `M_2=(m_2/V)piRT`D. `M_2=(m_2/V)pi/RT` |
| Answer» Correct Answer - B | |
| 1359. |
For the reaction `2N_(2)O_(5) rarr 4NO_(2)+O_(2)` rate of reaction and rate constant are `1.02 xx 10^(-4)` and `3.4 xx 10^(-5) sec^(-1)` respectively. The concentration of `N_(2)O_(5)` at that time will beA. 1.732B. 3C. `1.02xx10^(-4)`D. `3.4xx10^5` |
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Answer» Correct Answer - B `2N_2O_5 to 4NO_2 + O_2` this is a first order reaction `therefore` rate = `K[N_2O_5][N_2O_5]="rate"/K` |
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| 1360. |
Which has maximum number of molecules?A. 7 gm `N_2`B. 2 gm `H_2`C. 16 gm `NO_2`D. 16 gm `O_2` |
| Answer» Correct Answer - B | |
| 1361. |
2A `to` B + C It would be a zero order reaction when : -A. The rate of reaction is proportional to square of conc. of AB. The rate of reaction remains same at any conc. of AC. The rate remains unchanged at any conc. Of B and CD. The rate of reaction doubles if conc. of B is increased to double |
| Answer» Correct Answer - B | |
| 1362. |
If `3A rarr 2B`, then the rate of reaction of `+ (dB)/(d t)` is equal toA. `-3/2 (d[A])/(dt)`B. `-2/3 (d[A])/(dt)`C. `-1/3 (d[A])/(dt)`D. `+2(d[A])/(dt)` |
| Answer» Correct Answer - B | |
| 1363. |
Heat of combustion `DeltaH^(@)` for `C(s),H_(2)(g)` and `CH_(4)(g)` are `94, -68` and `-213Kcal//mol` . Then `DeltaH^(@)` for `C(s)+2H_(2)(g)rarrDeltaCH_(4)(g)` isA. `– 17 Kcal`B. `– 111 Kcal`C. `– 170 Kcal`D. `– 85 Kcal` |
| Answer» Correct Answer - A | |
| 1364. |
2 mol of an ideal gas at `27^(@)C` temperature is expanded reversibly from `2L` to `20L`. Find entropy change `(R = 2 cal mol^(-1) K^(-1))`A. 92.1B. 0C. 4D. 2 |
| Answer» Correct Answer - D | |
| 1365. |
Winged pollen grains are present inA. MangoB. CycasC. MustardD. Pinus |
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Answer» Correct Answer - D In Pinus, winged pollen grains are present. It is extended outer exine on two lateral sides to form the wings of pollen. It is the characteristic feature, only in Pinus. Pollen grains of Mustard, Cycas & Mango are not winged shaped. |
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| 1366. |
After karyogamy followed by meiosis, spres are produced exogenously inA. AgaricusB. AlternariaC. NeurosporaD. Saccharomyces |
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Answer» Correct Answer - A `*` In Agaricus (a genus of basidiomycetes), basidiospores or meiospores are produced exogenously. `*` Neurospora (a genus of ascomycetes) produces ascospores as meiospores but endogenously inside the ascus.) `*` Alternaria (a genus of deuteromycetes) does not produce sexual spores. `*` Saccharomyces (Unicellular ascomycetes) produces ascospores, endogenously. |
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| 1367. |
When water moves through a semipermeable membrane, which of the following is createdA. O.P.B. S.P.C. T.P.D. W.P. |
| Answer» Correct Answer - A | |
| 1368. |
Protienaceous pigment which is the centre of the activities concerned with light isA. PhytochromeB. ChlorophyllC. AnthocyaninD. Carotenoids |
| Answer» Correct Answer - A | |
| 1369. |
A beam of electrons passes underfected throgh unifromly perpendicular electric and magnetic fields. If the electric fiedl is swiched off, and the same magnetic field is mainted fiedl is maintetained the electrons move:A. along a straight lineB. in an elliptical orbitC. in a circular orbitD. along a parabolic path |
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Answer» Correct Answer - C In magnetic field a charged particle moves in a circular orbit . |
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| 1370. |
At inifnite dilution equivalent conductances of `Ba^(+2)` & `CI^(-)` ions are 127 & 76 `"ohm^(-1) cm^(-1) eq^(-1)` respectively. Equivalent conductance of `BaCI_(2)` at infinate dilutions is:A. 139.5B. 101.5C. 203D. 279 |
| Answer» Correct Answer - A | |
| 1371. |
Adiantum is called "walking fern" due toA. Dispersal by animalsB. Reproduction by sporesC. Vegetative reproductionD. Power of locomotion |
| Answer» Correct Answer - C | |
| 1372. |
Two condensers, one of capacity C and the other of capacity `C/2` , are connected to a V-volt battery, , as shown The work done in charging fully both the condensers isA. `(1)/(2)CV^(2)`B. `2CV^(2)`C. `(1)/(4)CV^(2)`D. `(3)/(4)CV^(2)` |
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Answer» Correct Answer - D Work done in charging fully both the condensers `=(1)/(2)CV^(2)+(1)/(2)((C)/(2))V^(2)=(3)/(4)CV^(2)` |
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| 1373. |
Phototropic curvature is result of uneven distribution ofA. GibberellinB. PhytochromeC. CytokininsD. Auxin |
| Answer» Correct Answer - D | |
| 1374. |
Male and female gametophytes are independent and free-living inA. MustardB. CastorC. PinusD. sphagnum |
| Answer» Correct Answer - D | |
| 1375. |
Given below is a diagrammatic sketch of a portion of human male reproductive system . Select the correct set of the names of the parts labelled . A , B , C, D:- |
| Answer» Correct Answer - 3 | |
| 1376. |
Four successive members of the first series of transition metals are listed below. For which one of the of standard potential `(E_(M^(2+)//M)^(@))` value has a positive sign ?A. `Ni(Z=28)`B. `Cu(Z=29)`C. `Fe(Z=26)`D. `Co(Z=27)` |
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Answer» Correct Answer - B In ECS Cu is lower then hydrogen |
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| 1377. |
An organic compound `(C_3H_9N)` `(A)` when treated with nitrous acid , gave an alcohol and `N_2` gas was evolved. (A) on warming with `CHCl_3` and caustiv potash gave `(C)` which on reduction gave isopropylmethylamine. Predict the structure of (A).A. `CH_(3)CH_(2)-NH_CH_(3)`B. `CH_(3)-underset(CH_(3))underset("| ")"N"-CH_(3)`C. `CH_(3)CH_(2)CH_(2)-NH_(2)`D. |
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Answer» Correct Answer - D `underset((A))(CH_(3)-underset(CH_(3))underset("| ")"CH"-NH_(2))overset(CHCl_(3))underset(KOH)rarrunderset((C))(CH_(3)-underset(CH_(3))underset("| ")"CH"-N)overset(rarr)=overset("Reduction")rarrCH_(3)-underset(CH_(3))underset("| ")"CH"-NH-CH_(3)` |
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| 1378. |
Equal volumes of two monoatomic gases,`A,B,`at the same temperature and pressure are mixed.The ratio of specific heats`(C_(p)//C_(v))`of the mixture will beA. `1.50`B. `3.3`C. `1.67`D. `0.83` |
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Answer» Correct Answer - C For monoatomic `(C_(P))/(C_(V))=gamma=1.67` `because` Equal volume of two monoatomic gases so `gamma` will remain same |
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| 1379. |
The Ti plasmid, is often used for making transgenic plants. This plasmid is found inA. Rhizobium of the roots of leguminous plantsB. AgrobacteriumC. Yeast as a 2 `mu`m plasmidD. Azotobacter |
| Answer» Correct Answer - B | |
| 1380. |
During replication of a bacterial chromosome DNA syntnthesis stars from a replication origin site andA. Is facilitated by telomeraseB. Moves in one direction of the sizeC. Moves in bi-directional wayD. RNA primers are involved |
| Answer» Correct Answer - C | |
| 1381. |
In angiosperms functional megaspore develops intoA. Pollen sacB. Embryo sacC. OvuleD. Endosperm |
| Answer» Correct Answer - B | |
| 1382. |
Which one the following pairs is wrongly matched while the remaining three and correctA. Agave - BulbilsB. Penicillium - ConidiaC. Water hyacinth - RunnerD. Bryophyllum - Leaf buds |
| Answer» Correct Answer - C | |
| 1383. |
Whorled, simple leaves with reticulate venation are present inA. AlstoniaB. CalotropisC. NeemD. China Rose |
| Answer» Correct Answer - A | |
| 1384. |
In mitochondria, protons accumulate in theA. MatrixB. Outer membraneC. Inner membraneD. Intermembrane space |
| Answer» Correct Answer - D | |
| 1385. |
What is common between vegetative reproduction and ApomixisA. Both produces progeny identical to the parentB. Both are applicable to only dicot plantsC. Both bypass the flowering phaseD. Both occur round the year |
| Answer» Correct Answer - A | |
| 1386. |
Which one of the following groups of animals is bilaterally symmetrical and triploblasticA. SpongesB. Coelentrates (Cnidarians)C. Aschelminthes (round worms)D. Ctenophores |
| Answer» Correct Answer - 3 | |
| 1387. |
Read statements `a-d`. (a) In transcription, adenosine pairs with uracil (b) Regulation of lac operon by repressor is positive regulation (c) Human genome has approximate 50,000 genes (d) Haemophilia is sex-linked recessive disease How many of above statement are correct ?A. ThreeB. FourC. OneD. Two |
| Answer» Correct Answer - D | |
| 1388. |
Four healthy people in their twenties got involved in injuries resulting in damage and death of few cells of the following. Which of the cells are least likely to be replaced by new cellsA. OsteocytesB. Liver cellsC. NeuronsD. Malpighian layer of the skin |
| Answer» Correct Answer - C | |
| 1389. |
Select the correct matching of hormone, its source and function. |
| Answer» Correct Answer - 1 | |
| 1390. |
In which of the following organisms, the excretory organs are correctly stated?A. Earthworm - Pharyngeal, integumentary and septal nephridiaB. Cockroach - Malpighian tubules and entire caecaC. Frog - Kidneys, skin and buccal epitheliumD. Humans - Kidney, sebaceous glands and fear glansds |
| Answer» Correct Answer - A | |
| 1391. |
Which one of the following is correct description of a certain part of a normal human skeleton ?A. First vertebra is axis which articulates with the occipital condylesB. The 9th and 10th pairs of ribs are called the floating ribsC. Glenoid cavity is a depression to which the thigh bone articulatesD. Parietal bone and the temporal bone of the skull are joined by fibrous joint |
| Answer» Correct Answer - D | |
| 1392. |
ABO blood grouping is controlled by gene I which has three alleles and show co-dominance. There are six genotypes: How many phenotypes in all are responsibleA. threeB. fourC. fiveD. six |
| Answer» Correct Answer - B | |
| 1393. |
Viable material of endangered species can be preserved by :A. Gene bankB. Gene libraryC. HerbariumD. Gene pool |
| Answer» Correct Answer - A | |
| 1394. |
Compared to a bull a bullock is docile because ofA. Lower levels of adrenalin/noradrenalin in its bloodB. Higher levels of thyroxinC. Higher levels of cortisoneD. Lower levels of blood testosterone |
| Answer» Correct Answer - D | |
| 1395. |
A single strand of nucleic acid tagged with a radioactive molecule is called:A. PlasmidB. ProbeC. VectorD. Selectable marker |
| Answer» Correct Answer - B | |
| 1396. |
Which one of the following helps in absorption of phosphorus from soil by plants or Which one of the following microbes forms symbiotic association with plants and helps them in their nutritionA. GlomusB. TrichodermaC. AzotobacterD. Aspergilus |
| Answer» Correct Answer - A | |
| 1397. |
In electrolysis of `NaCl` when `Pt` electrode is taken `H_(2)` is liberated at cathode while `Hg` cathode it forms sodium amalgam becauseA. Hg is more inert than PtB. More voltage is required to reduce `H^+` at Hg than at PtC. Na is dissolved in Hg while it does not dissolve in PtD. Conc. of `H^+` ions is larger when Pt electrode is taken |
| Answer» Correct Answer - B | |
| 1398. |
Resistance `n`, each of `r ohm`, when connected in parallel give an equivalent resistance of `R ohm`. If these resistances were connected series, the combination would have a resistance in ohm, equal toA. `R/n^2`B. R/nC. nRD. `n^2R` |
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Answer» Correct Answer - D According to question `R=r/n rArr r=nR` `R_"series"=nr=n^2 R` |
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| 1399. |
A nuclear reaction given by `1_Z X^A rarr .(Z+1) Y^A + ._(-1)e^0 + vecp` represents.A. `beta`-decayB. `gamma`-decayC. fusionD. fission |
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Answer» Correct Answer - A Emission of electron `(e^-)` + antineutrino (`gamma^-`) `rArr beta`-decay |
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| 1400. |
When three identical bulbs of `60 W, 200 V` rating are connected in series to a `200 V` supply, the power drawn by them will beA. 180 wattB. 10 wattC. 20 wattD. 60 watt |
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Answer» Correct Answer - C If rated voltage = supply voltage then in series combination of bulbs `1/P_(eq)=1/P_1 + 1/P_2 + 1/P_3` + ….. For this equation `1/P_"eq"=1/60+1/60+1/60=3/60=1/20 rArr P_(eq)`=20 watt |
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