24277 + Interview Questions in Biology in Class 12 Page 8 InterviewSolution

351.	Question : Which gases were taken by Stanley Miller and Harold Urey in their experiment to support biochemical origin of life and why?
Answer» Solution :They took a MIXTURE of water vapour, methane, AMMONIA and HYDROGEN GASES to create conditions similar to the primitive atmosphere of the earth.

Discussion

352.	Question : Which gas is more functional in automobiles ?
Answer» CFC HFC Methane CNG ANSWER :D

Discussion

353.	Question : Which gas is lighter than air?
Answer» `CO_(2)` `SO_(2)` CNG `CO` ANSWER :C

Discussion

354.	Question : Which fungus is biocontrol agent?(A) Tricoderma(B) Aspergillus(C) Pseudomonas(D) Penicillium
Answer» TRICODERMA Aspergillus Pseudomonas PENICILLIN SOLUTION :Tricoderma

Discussion

355.	Question : Which fungi is associated with mycorrhiza ?(A) Azospirillium(B) Glomus Spp.(C) Pseudomonas Spp.(D) All of these
Answer» AZOSPIRILLIUM GLOMUS SP Pseudomonas Sp All of these SOLUTION :Glomus SP

Discussion

356.	Question : Which fungi causes rust and smut disease respectively:-
Answer» USTILAGO and Erysiphe Puccinia and Ustilago Puccinia and Erysiphe Ustilago and Puccinia Answer :B

Discussion

357.	Question : Which fruti shows polyembryony?
Answer» Banana Pineapple Mango Grapes Answer :C

Discussion

358.	Question : Which from the following option is incorrect for precells?
Answer» They are anaerobic DIFFERENTIATED Thin layer of cell OUTER REPRODUCTION by BINARY fission Solution :Thin layer of cell outer

Discussion

359.	Question : Which from the following elements was active in primitive earth ?
Answer» HYDROGEN Carbon Nitrogen Oxygen Solution :Hydrogen

Discussion

360.	Question : Which from the following option a proper for the biogenesis ?
Answer» Origin of life from the mud, SOIL, MEAD, organic manure. New life from pre-existing ORGANISMS throughreproduction. Cosmos CAME from other planets and ongetting favourable conditions they developedinto organisms. Universe has been subjected to SUDDEN revolution. Solution :New life from pre-existing organisms throughreproduction.

Discussion

361.	Question : Which from the following does not belong with theory of evolution ?
Answer» ETERNITY BIOGENESIS ABIOGENESIS NONE of above Solution :None of above

Discussion

362.	Question : which fowl is used for cock fighting ?
Answer» ASSEL BURSA GHAGUS BRAHMA ANSWER :A

Discussion

363.	Question : Which fossil man is very nearer to modem man ?
Answer» Cro-magnon MAN HOMO ERECTUS NEANDERTHAL man Dryo pithecus SOLUTION :Cro-magnon man

Discussion

364.	Question : Which fossil bird is regarded as connecting link between reptiles and aves?
Answer» ANSWER :ARCHAEOPTERYX

Discussion

365.	Question : Which flowers are called ornithophilous?
Answer» SOLUTION :FLOWERS that are POLLINATED by BIRDS are CALLED ornithophilous.

Discussion

366.	Question : Which female hormone is secreted by corpus luteum ?
Answer» ANSWER :PROGESTERONE

Discussion

367.	Question : Which fish is the fastest growing major carp ?
Answer» ANSWER :CATLA Catla

Discussion

368.	Question : Which features of endoparasites shows simplification ?
Answer» SOLUTION :MORPHOLOGICAL and ANATOMICAL FEATURES

Discussion

369.	Question : Which factors help fungus to grow in skin fold?
Answer» Heat Moisture Pressure Both (A) and (B) SOLUTION :Both (A) and (B)

Discussion

370.	Question : Which factors are favourable for the formation of oxyhaemoglobin ? (a)High acidity (b)Low P_(CO_(2)) (c) Lesser H^(+) concentration (d) Lower temperature
Answer» Lesser `H^(+)` concentration a, B and C b and c a, b, c and d Answer :D

Discussion

371.	Question : Which factors are necessary in achieving good health ?
Answer» SOLUTION :Awareness about DISEASE and their effects on different body functions. Proper disposal of waste is required in the area. Vaccination/immunization against the infectious disease is a must. Controlling the vectors which help in transport of HARMFUL microorganism. Maintenance and USE of hygienic FOOD and water resources,

Discussion

372.	Question : Which factor is not responsible for the disturbance in Hardy - Weinberg equilibrium?
Answer» GENE migration Genetic drift Random mating Mutation Answer :C

Discussion

373.	Question : Which factor is most effective in regulating transpiration ?
Answer» LIGHT Temperature Wind Humidity Answer :D

Discussion

374.	Question : Which factor includes those resulting from physical structure of that area ?
Answer» CLIMATIC Edaphic Topographic Biotic Answer :C

Discussion

375.	Question : Which factor / factors help in maintaining an increasing osmolarity towards the inner medullaryinterstition ?
Answer» Counter FLOW in two LIMBS of Henle's LOOP Counter flow in two limbs of Vasa recta PROXIMITY between the Henle's loop and Vasa recta All of the above Answer :D

Discussion

376.	Question : Which factor determines the sex in Bonellia ?
Answer» ANSWER :ENVIRONMENTAL

Discussion

377.	Question : Which factor checks the biotic potential to be realized?
Answer» SOLUTION :ENVIRONMENTAL RESISTANCE.

Discussion

378.	Question : Which fact is not observable in protobionts?
Answer» They EXHIBIT SIMPLE metabolism They are colloidal clusters of macromolecules They can grow in SIZE by ABSORBING surrounding matter They can reproduce Answer :D

Discussion

379.	Question : Which facilities helped in popularizing poultry as a trade?
Answer» DISTRIBUTION and STORAGE Storage and TRANSPORT Distribution and transport Collection and storage. Solution :Storage and transport

Discussion

380.	Question : Which fact can best support that the earth is very old?
Answer» Changing climate on earth Fossilized EARLIER life forms Elliptical shape of earth Raising water LEVEL of oceans Answer :B

Discussion

381.	Question : Which extraemryonic membrane in humans prevents desiccation fo the embryo inside the uterus?
Answer» YOLK sac Amnion Chorion Allantois ANSWER :B

Discussion

382.	Question : Which extra embryonic membrane in human prevents desccation of embryo inside uterus ?
Answer» Amnion Chorion Allantois Yock sac Answer :A

Discussion

383.	Question : Which evidence does notfavour Lamarckian concept of inheritance of acquired characters?
Answer» ABSENCE of limbs in snakes Melanisation of PEPPERED Moth Presence of webbed toes in AQUATIC birds Lack of PIGMENT in cave-dwelling animals Answer :B

Discussion

384.	Question : Which event is not associated with prophase-I
Answer» Synizesis Synapsis Segregation Terminalization Answer :C

Discussion

385.	Question : Which epoch showed mammals at height of evolution ?
Answer» Eocene Oligocene Miocene Pliocene Answer :C

Discussion

386.	Question : Which epoch showed rise of the first primates?
Answer» SOLUTION :Palaeocene epoch SHOWED the RISE of first primates.

Discussion

387.	Question : Which era is referred as Age of Mammals? What are the periods of that era? And also mention the fauna during the periods.
Answer» Solution :Cenozoic era is called as Age of Mammals Tertiary and Quaternary are the two PERIODS of Cenozoic era. Tertiary periods marks the ABUNDANCE of MAMMALIAN fauna. Quaternary period marks the beginning of human SOCIAL LIFE.

Discussion

388.	Question : Which enzymes will be produced in a cell in which there is a nonsense mutation in the lac Y gene ?
Answer» LACTOSE PERMEASE TRANSACETYLASE Lactose permease and transacetylase `BETA` galactosidase Answer :B

Discussion

389.	Question : Which enzyme/s will be produced in a cell in which there is a non-sense mutation in the lac Y-gene ?
Answer» `beta`-galactosidase Lactose PERMEASE Transacetylase Lactose permease and transacetylase SOLUTION :TRANS gene

Discussion

390.	Question : Which enzymes are likely to act on the baked potatoes eaten by a man, starting from the mouth and as it moves down the alimentary canal?
Answer» PANCREATIC amylase `to` Salivary amylase `to` Lipases Disaccharide like MALTASE `to` Lipases `to` Nucleases Salivary amylase `to` Pancreatic amylase `to` DISACCHARIDES Salivary maltase `to` Carboxypeptidase `to` Trypsinogen Answer :C

Discussion

391.	Question : Which enzyme joins the Okazaki fragments?
Answer» SOLUTION :The ENZYME DNA LIGASE JOINS the Okazaki fragments.

Discussion

392.	Question : Which enzymes are responsible for breaking the wall of baterial cell, plant cell and fungus cell respectively ?
Answer» CHITINASE, CELLULASE, LYSOZYME Cellulase, Chitinase, Lysozyme Lysozyme,Cellulase, Chitinase Lysozyme , Chitinase, Cellulase Answer :C

Discussion

393.	Question : Which enzyme/s will be produced in a cell in which there is a nonsense mutation in the lac Y gene?
Answer» TRANSACETYLASE LACTOSE PERMEASE and transacetylase `BETA`-galactosidase Lactose permease Answer :C

Discussion

394.	Question : Which enzyme is used in the polymerase chain reaction?
Answer» Restriction ENZYMES Reverse transcriptase Ligase DNA POLYMERASE ANSWER :D

Discussion

395.	Question :Which enzyme joins DNA fragments ?
Answer» DNA ligase DNA POLYMERASE DNA GYRASE Topoisomerase Answer :A

Discussion

396.	Question : Which enzyme is used in PCR technology
Answer» DNA polymerase TAQ polymerase REVERSE TRANSCRIPTASE Both (A) and (B) Solution :Both (A) and (B)

Discussion

397.	Question : Which enzyme is used in bacteria to break the membrane ?
Answer» CELLULASE LIPASE LYSOZYME Chitinase Solution :Lysozyme

Discussion

398.	Question : Which enzyme is used to remove phosphate group from DNA ?
Answer» RNASE H ALKALINE PHOSPHATASE Terminal transferaze Hind-III SOLUTION :Alkaline phosphatase

Discussion

399.	Question : Which enzyme is secreted by salivary gland of man?
Answer» Amylopsin Rennin Ptyalin Trypsin Answer :C

Discussion

400.	Question : Which enzyme is produced for the digestion of Lactose by the 'a' side of structural gene as a resulting transcription of Lac m-RNA when represser molecule is not joined with operator (O)?
Answer» <P>TRANSACETYLASE Transcyclase p - GALACTOSIDASE PERMEASE SOLUTION :Transacetylase

Discussion

Explore topic-wise InterviewSolutions in .

Question : Which gases were taken by Stanley Miller and Harold Urey in their experiment to support biochemical origin of life and why?

Question : Which gas is more functional in automobiles ?

Question : Which gas is lighter than air?

Question : Which fungus is biocontrol agent?(A) Tricoderma(B) Aspergillus(C) Pseudomonas(D) Penicillium

Question : Which fungi is associated with mycorrhiza ?(A) Azospirillium(B) Glomus Spp.(C) Pseudomonas Spp.(D) All of these

Question : Which fungi causes rust and smut disease respectively:-

Question : Which fruti shows polyembryony?

Question : Which from the following option is incorrect for precells?

Question : Which from the following elements was active in primitive earth ?

Question : Which from the following option a proper for the biogenesis ?

Question : Which from the following does not belong with theory of evolution ?

Question : which fowl is used for cock fighting ?

Question : Which fossil man is very nearer to modem man ?

Question : Which fossil bird is regarded as connecting link between reptiles and aves?

Question : Which flowers are called ornithophilous?

Question : Which female hormone is secreted by corpus luteum ?

Question : Which fish is the fastest growing major carp ?

Question : Which features of endoparasites shows simplification ?

Question : Which factors help fungus to grow in skin fold?

Question : Which factors are favourable for the formation of oxyhaemoglobin ? (a)High acidity (b)Low P_(CO_(2)) (c) Lesser H^(+) concentration (d) Lower temperature

Question : Which factors are necessary in achieving good health ?

Question : Which factor is not responsible for the disturbance in Hardy - Weinberg equilibrium?

Question : Which factor is most effective in regulating transpiration ?

Question : Which factor includes those resulting from physical structure of that area ?

Question : Which factor / factors help in maintaining an increasing osmolarity towards the inner medullaryinterstition ?

Question : Which factor determines the sex in Bonellia ?

Question : Which factor checks the biotic potential to be realized?

Question : Which fact is not observable in protobionts?

Question : Which facilities helped in popularizing poultry as a trade?

Question : Which fact can best support that the earth is very old?

Question : Which extraemryonic membrane in humans prevents desiccation fo the embryo inside the uterus?

Question : Which extra embryonic membrane in human prevents desccation of embryo inside uterus ?

Question : Which evidence does notfavour Lamarckian concept of inheritance of acquired characters?

Question : Which event is not associated with prophase-I

Question : Which epoch showed mammals at height of evolution ?

Question : Which epoch showed rise of the first primates?

Question : Which era is referred as Age of Mammals? What are the periods of that era? And also mention the fauna during the periods.

Question : Which enzymes will be produced in a cell in which there is a nonsense mutation in the lac Y gene ?

Question : Which enzyme/s will be produced in a cell in which there is a non-sense mutation in the lac Y-gene ?

Question : Which enzymes are likely to act on the baked potatoes eaten by a man, starting from the mouth and as it moves down the alimentary canal?

Question : Which enzyme joins the Okazaki fragments?

Question : Which enzymes are responsible for breaking the wall of baterial cell, plant cell and fungus cell respectively ?

Question : Which enzyme/s will be produced in a cell in which there is a nonsense mutation in the lac Y gene?

Question : Which enzyme is used in the polymerase chain reaction?

Question :Which enzyme joins DNA fragments ?

Question : Which enzyme is used in PCR technology

Question : Which enzyme is used in bacteria to break the membrane ?

Question : Which enzyme is used to remove phosphate group from DNA ?

Question : Which enzyme is secreted by salivary gland of man?

Question : Which enzyme is produced for the digestion of Lactose by the 'a' side of structural gene as a resulting transcription of Lac m-RNA when represser molecule is not joined with operator (O)?