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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.
| 451. |
Contraction in gall bladder stimulated by :A. CCKB. PZC. SecretinD. Enterogastrin |
| Answer» Correct Answer - A | |
| 452. |
DNA of E.Coli :A. ds circularB. ss circularC. ds LinearD. ss Linear |
| Answer» Correct Answer - A | |
| 453. |
Water is essential in bryophyta:-A. For fertilization and homosporos natureB. Water should be filled in archegonium for fertilizationC. Water is necessary for movement of spermD. For dissemination of spores |
| Answer» Correct Answer - C | |
| 454. |
Indicator of water pollution :A. E. ColiB. ChlorellaC. BeggiatoaD. Ulothrix |
| Answer» Correct Answer - A | |
| 455. |
In a zero-order reaction for every `10^(@)` rise of temperature, the rate is doubled. If the temperature is increased from `10^(@)C` to `100^(@)C`, the rate of the reaction will becomeA. 64 timesB. 128 timesC. 256 timesD. 512 times |
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Answer» Correct Answer - D `2^(9)=2xx2xx2xx2xx2xx2xx2xx2=512` times |
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| 456. |
In which of the following reactions,standard reaction entropy change`(DeltaS^(@))`is positive and standard Gibb,s energy change`(DeltaG^(@))`decreases sharply with increasing temperature?A. `Mg(s)+(1)/(2)O_(2)(g)to MgO(s)`B. `(1)/(2)C " graphite " +(1)/(2)O_(2)(g)to (1)/(2)CO_(2)(g)`C. `C " graphite " +(1)/(2)O_(2)(g)to CO(g)`D. `CO(g)+(1)/(2)O_(2)(g)to CO_(2)(g)` |
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Answer» Correct Answer - C `Delta S = + ve` `DeltaG=DeltaH-T DeltaS, Delta H= -ve` `Delta G= +ve` |
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| 457. |
Which of the following pairs is isostractural (i.e having the same shape and hybridization ?A. `[NF_(3) " and " BF_(3)]`B. `[BF_(4)^(-) and NH_(4)^(+)]`C. `[BCl_(3) and BrCl_(3)]`D. `[NH_(3) and NO_(3)^(-)]` |
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Answer» Correct Answer - B `F-underset(F)underset(|)overset(F)overset(|)B larr F^(-) " " H-underset(H)underset(|)overset(H)overset(|)NrarrH^(+)` |
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| 458. |
Which one of the following is an example of carrying out biological control of pests/diseases using microbesA. Bt-cotton to increase cotton yieldB. Lady bird beetle against aphids in mustardC. Trichoderms sp. against certain plant pathogensD. Nucleopoly hedrovirus against white rust in Brassica |
| Answer» Correct Answer - C | |
| 459. |
A dioecious flowering plant prevents bothA. Autogamy and xenogamyB. Autogamy and geitonogamyC. Geitonogamy and xenogamyD. Cleistogamy and xenogamy |
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Answer» Correct Answer - B When unisexual male and female flowers are present on different plants the condition is called dioecious and it prevents both autogamy and geitonogamy. |
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| 460. |
Which one of the following statement about the particular entity is true ?A. The gene for producing insulin is present in every body cellB. Nucleosome is formed of nucleotidesC. DNA consists of a core of eight histonesD. Centromere is found in animals cells, which produces aster during cell division |
| Answer» Correct Answer - A | |
| 461. |
Which one of the following pairs of structures is correctly matched with their correct description |
| Answer» Correct Answer - 1 | |
| 462. |
Endosperm is consumed by developing embryo in the seed ofA. peaB. maizeC. coconutD. castor |
| Answer» Correct Answer - A | |
| 463. |
Given below is a diagrammatic cross section of a single loop of human cochlea Which one of the following options correctly represents the names of three different partsA. D:Sensory hair cells, A:Endolymph, B:Tectorial membraneB. A: Perilymph, B: Tectorial membrane, C: EndolymphC. B:Tectorial membrane, C:Perilymph, D:Secretory cellsD. C:Endolymph, D:Sensory hair cells, A:Serum |
| Answer» Correct Answer - B | |
| 464. |
Vacuole in a plant cellA. lacks membrane and contains airB. Lacks membrane and contains water and excretory substancesC. is membrane-bound and contains storage proteins and lipidsD. is membrane-bound and contains water and excretory substances |
| Answer» Correct Answer - D | |
| 465. |
Which part of ovary in mammals acts as an endocrine gland after ovulation ?A. Vitelline membraneB. Graffian follicleC. StromaD. Germinal epithelium |
| Answer» Correct Answer - B | |
| 466. |
During the transmission of nerve impulse through a nerve fibre, the potential on the inner side of the plasma membrane has which type of electric charge ?A. First positive, then negative and again back to positiveB. First negative, then positive and again back to negativeC. First positive, then negative and continue to be negativeD. First negative, then positive and continue to be positive |
| Answer» Correct Answer - B | |
| 467. |
Which of these statements is incorrect.A. Glycolysis operates as long as it is supplied with NAD that can pick up hydrogen atomsB. Glycolysis occurs in cytosolC. Enzymes of TCA cycle are present in mitochondrial matrixD. Oxidative phosphorylation takes place in outer mitochondrial membrane |
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Answer» Correct Answer - D Oxidative phosphorylation takes place in inner mitochondrial membrane. |
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| 468. |
Select the incorrect match.A. Submetacentric chromosomes – L-shaped chromosomesB. Allosomes – Sex chromosomesC. Lampbrush chromosomes– Diplotene bivalentsD. Polytene chromosomes– Oocytes of amphibians |
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Answer» Correct Answer - D Polytene chromosomes are found in salivary glands of insects of order Diptera. |
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| 469. |
Which of the following terms descibe humans dentition ?A. Pleurodont, Monophyodont, HomodontB. Thecodont, Diphyodont, HeterodontC. Thecodont, Diphyodont, HomodontD. Pleurodont, Diphyodont, Heterodont |
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Answer» Correct Answer - B In humans, dentition is `*` Thecodont : Teeth are present in the sockets of the jaw bone called alveoli. `*` Diphyodont : Teeth erupts twice, temporary milk or deciduous teeth are replaced by a set of permanent or adult teeth. `*` Heterodont dentition : Dentition consists of different types of teeth namely incisors, canine, premolars and molars. |
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| 470. |
The 24 hour (diurnal) rhythm of our body such as the sleep-wake cycle is regulated by the hormone Or Which hormone is secreted more in dark conditionA. melatoninB. calcitoninC. prolactinD. adrenaline |
| Answer» Correct Answer - A | |
| 471. |
Which one of the following structures in Pheretima is correctly matched with its functionA. Typhlosole-storage of extra nutrientsB. Clitellum-secretes cocoonC. Gizzard-absorbs digested foodD. Setae-defence against predators |
| Answer» Correct Answer - B | |
| 472. |
Which of the following events does not occur in rough endoplasmic reticulum,A. Cleavage of signal peptideB. Protein glycosylationC. Protein foldingD. Phospholipid synthesis |
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Answer» Correct Answer - D Phospholipid synthesis does not take place in RER. Smooth endoplasmic reticulum are involved in lipid synthesis. |
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| 473. |
Sacred groves are specially useful inA. preventing soil erosionB. year-round flow of water in riversC. conserving rare and threatened speciesD. generating environmental awareness |
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Answer» Correct Answer - C Sacred grooves are method for insitu conservation of biodiversity and conserving rare and threatened species. |
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| 474. |
Which one of the following is the correct statement for respiration in humans ?A. Workers in grinding and stone-breaking industries may suffer, from lung fibrosisB. About 90% of carbon dioxide `(CO_(2))` is carried by haemoglobin as carbamino haemoglobinC. Cigarette smoking may lead to inflammation of bronchiD. Neural signals from pneumotoxic centre in pons region of brain can increase the duration of inspiration |
| Answer» Correct Answer - A | |
| 475. |
Anxiety and eating spicy food together in an otherwise normal human, may lead toA. DiarrhoeaB. VomitingC. IndigestionD. Jaundice |
| Answer» Correct Answer - C | |
| 476. |
Which of the following animals does not undergo metamorphosisA. MothB. TunicateC. EarthwormD. Starfish |
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Answer» Correct Answer - C Metamorphosis refers to transformation of larva into adult. Animal that perform metamorphosis are said to have indirect development. In earthworm development is direct which means no larval stage and hence no metamorphosis. |
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| 477. |
In which condition the gene ratio remains constant for any species ?A. Sexual selectionB. Random matingC. MutationD. Gene flow |
| Answer» Correct Answer - B | |
| 478. |
Which of the following occurs more than one and less than five in a chromosome?A. ChromatidB. ChromomereC. CentromereD. Telomere |
| Answer» Correct Answer - D | |
| 479. |
Ribosomes are produced inA. NucleolusB. CytoplasmC. MitochondriaD. Golgibody |
| Answer» Correct Answer - A | |
| 480. |
The catalytic efficiency of two different enzymes can be compared by theA. The Km valueB. The pH optimum valueC. Molecular size of the enzymeD. Formation of the product |
| Answer» Correct Answer - A | |
| 481. |
Ribosomal RNA is synthesized in `:`A. NucleoplasmB. RibosomesC. LysosomesD. Nucleolus |
| Answer» Correct Answer - D | |
| 482. |
Inheritance of skin colour in humans in an example of :-A. Inheritance of skin colour in humans is an example of:-B. Chromosomal aberrationC. Point mutationD. Polygenic inheritance |
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Answer» Correct Answer - D D. Polygenic Inheritance
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| 483. |
Largest sperm of :A. PinusB. CycasC. EphedraD. Sequoia |
| Answer» Correct Answer - B | |
| 484. |
Agent orange is :A. Biodegradable insecticideB. Di auxin (2–4,D and 2, 4, 5 T) weedicideC. BiofertilizerD. Biopesticide |
| Answer» Correct Answer - B | |
| 485. |
Typhoid is caused byA. RickettssiaeB. ChlamydiaC. Salmonella typhiD. Mycobacterium |
| Answer» Correct Answer - C | |
| 486. |
What is correct for stages of Puccinia :A. Telia and aecia on wheatB. Telia and uredo stage on wheatC. Telia and aecia on barberryD. None |
| Answer» Correct Answer - B | |
| 487. |
Conifers differ from grasses in theA. Production of seeds from ovulesB. Lack of xylem tracheidsC. Absence of pollen tubesD. Formation of endosperm before fertilization |
| Answer» Correct Answer - D | |
| 488. |
Heterosis (Hybrid Vigor) desirable in vegetatively propagated plants, because :-A. Heterosis is maintained for a longer durationB. These plants are easy to cultivateC. Vegetative reproduction help to multiply fastD. It is due to homozygosity |
| Answer» Correct Answer - A | |
| 489. |
Long filamentous threads protruding at the end of a young cob of maize are-A. AnthersB. StylesC. OvariesD. Hairs |
| Answer» Correct Answer - B | |
| 490. |
A ball is droped from a high rise platform `t = 0` starting from rest. After `6 s` another ball is thrown downwards from the same platform with a speed `v`. The two balls meet at `t = 18 s`. What is the value of `v` ?A. 75 m/sB. 55m/sC. 40 m/sD. 60 m/s |
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Answer» Correct Answer - A Let two balls meet at depth h from platform so `h=(1)/(2)g(18)^(2)=v(12)+(1)/(2)g(12)^(2)` `implies v=75 ms^(-1)` |
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| 491. |
Three concentric spherical shells have radii a,b and `c(a lt b lt c)` and have surface charge densities `sigma, - sigma` and `sigma` respectively. If `V_(A),v_(B)` and `V_(c)` denote the potentials of the three shells, then, for `V_(A) = V_(C)`, we get-A. `V_(C)=V_(B)=V_(A)`B. `V_(C)=V_(A) ne V_(B)`C. `V_(C) =V_(B) ne V_(A)`D. `V_(C) ne CV_(B) ne V_(A)` |
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Answer» Correct Answer - B `q_(A)=4 pi a^(2) sigma` , `q_(B)=-4 pi b^(2) sigma ` , `q_(c)=4pic^(2) sigma , c=a+b` `V_(A)=(1)/(4 pi in_(0))((q_(A))/(a)+(q_(B))/(b)+(q_(C))/(c))` `=(2 sigma a )/(in_(0)) ` `v_(B)=(1)/(4pi in_(0))((q_(A))/(a)+(q_(B))/(b)+(q_(C))/(c))` `=(sigma)/(in_(0))((a^(2))/(b)-b+c)` `=(sigma)/(in_(0))(a+(a^(2))/(b))` `V_(C)=(1)/(4pi in_(0))((q_(A))/(a)+(q_(B))/(b)+(q_(C))/(c))` `=(sigma)/(in_(0))((a^(2)-b)/(c)+c)=(2sigmaa)/(in_(0))` So , `V_(C)=V_(A) ne V_(B)` |
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| 492. |
Power dissipated in an `L-C-R` series circuit connected to an `AC` source of emf `epsilon` isA. `epsi^(2)R//sqrt(R^(2)+(Lomega-(1)/(Comega))^2)`B. `epsi^(2)R//[R^(2)+(Lomega-(1)/(Comega))^2]`C. `epsi^(2)R//sqrt([R^(2)+(Lomega-(1)/(Comega))^2])//R`D. `(epsi^(2)[R^(2)+(Lomega-(1)/(Comega))^2])/(R)` |
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Answer» Correct Answer - B `P_(av)=E_(rms). I_(rms) cos phi` ` epsi . (epsi)/(z) . (R)/(z)= (epsi^(2)R)/(z^(2))` `=( epsi^(2)R)/(R^(2)+(omegaL-(1)/(omegaC))^(2))` |
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| 493. |
Under the influence of a unifrom magnetic field a charged particle is moving on a circle of radius `R` with Constnant speed `v`. The time period of the motionA. Depends on both v and RB. Depends on v and not on RC. Depends on R and not on vD. Is independent of both v and R |
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Answer» Correct Answer - D `T=(2 pi m)/(2B)` T is time period |
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| 494. |
A sample of `0.1 g` of water of `100^(@)C` and normal pressure `(1.013 xx 10^(5) N m^(-2))` requires 54 cal of heat energy to convert to steam at `100^(@)C`. If the volume of the steam produced is 167.1 cc, the change in internal energy of the sample isA. 42.2 JB. 208.7 JC. 104.3 JD. 84.5 J |
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Answer» Correct Answer - B `DeltaQ=DeltaU+DeltaW` `implies 54xx4.18=DeltaU+1.013xx10^(5)(167.1 xx 10^(-6)-0)` `implies DeltaU=208.7 J` |
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| 495. |
Atomic weight of boron is `10.81` and it has two isotopes `._5 B^10` and `._5 B^11`. Then ratio of `._5 B^10` in nature would be.A. `15 : 16`B. `19 : 81`C. `81 : 19`D. `20 : 53` |
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Answer» Correct Answer - B `N_(1)/N_(2)=ratio` Average weight`=(N_(1)W_(1)+N_(2)W_(2))/(N_(1)+N_(2))` `10.81=(10N_(1)+11N_(2))/(N_(1)+N_(2))` `10.81N_(1)=10.81N_(2)=10N_(1)+11N_(2)` `0.81N_(1)=0.19N_(2)implies(N_(1))/(N_(2))=(19)/(81)` |
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| 496. |
Which nomenclature is not according to IUPAC system ?A. B. `CH_(3)-underset(O)underset(||)C-CH_(2)-CH_(2)-CH_(2)CO OH` 5-oxohexanoic acidC. `Br-CH_(2)-CH=CH_(2)` 1-Bromo-prop-2-eneD. `CH_(3)-CH_(2)-underset(Br)underset(|)overset(CH_(3))overset(|)(CH)-CH_(2)-underset(CH_(3))underset(|)(CHCH_(3))`, 4-Bromo, 2,4-di-methylhexane |
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Answer» Correct Answer - C `Br-CH_(2)-CH=CH_(2)` Correct Name -3 Bromo propene |
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| 497. |
Deficiency of vitamin `B_(1)` causes the diseaseA. CheilosisB. SterilityC. ConvulsionsD. Beri-Beri |
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Answer» Correct Answer - D Deficiency of `B_(1)` cause Beri-Beri. |
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| 498. |
The difference between amylose and amylopectin isA. Amylopectin have `1 to 4 alpha `-linkage and `1 to 6 beta`-linkageB. Amylose have `1 to 4 alpha`-linkage and `1 to 6 beta`-linkageC. Amylopectin have `1 to 4 alpha`-linkage and `1 to 6 alpha`-linkageD. Amylose is made up of glucose and galactose |
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Answer» Correct Answer - C Amylose and Amylopectin are polymers of`alpha`-D-glucose , so `beta`-link is not possible. Amylose is linear with `1 to 4 alpha`-linkage whereas Amylopectin is branched and has both `1 to 4 and 1 to 6 alpha`-linkages So option (3) should be the correct option |
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| 499. |
For a sample of perfect gas when its pressure is changed isothermally from `p_(i)` to `p_(f)` , the entropy change is given byA. `DeltaS=nRln((p_(f))/(p_(i)))`B. `DeltaS=nRln((p_(i))/(p_(f)))`C. `DeltaS=nRT" "ln((p_(f))/(p_(i)))`D. `DeltaS=RT" "ln((p_(i))/(p_(f)))` |
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Answer» Correct Answer - B `DeltaS=nR" ln"(P_(i))/(P_(f))` |
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| 500. |
A condenser of capacity `C` is charged to a potential difference of `V_(1)`. The plates of the condenser are then connected to an ideal inductor of inductance `L`. The current through the inductor wehnn the potential difference across the condenser reduces to `V_(2)` isA. `(C(V_(1)^(2)-V_(2)^(2)))/(L)`B. `(C(V_(1)^(2)+V_(2)^(2)))/(L)`C. `((C(V_(1)^(2)-V_(2)^(2)))/(L))^(1//2)`D. `((C(V_(1)-V_(2))^(2))/(L))^(1//2)` |
| Answer» Correct Answer - C | |