24277 + Interview Questions in Biology in Class 12 Page 147 InterviewSolution

7301.	Question : Sympathetic and Parasympathetic nervous system.
Answer» SOLUTION :

Discussion

7302.	Question : The animal most useful on difficult terrains is
Answer» MULE YAK CAMEL ELEPHANT ANSWER :A

Discussion

7303.	Question : Symbiotic theory of cell evolution was given by
Answer» Mergullis Hyxley S. Fox Cuvier Answer :A

Discussion

7304.	Question : The Androgen Binding Protein (ABP) is produced by
Answer» LEYDIG CELLS Hypothalamus Sertoli cells Pituitary gland Solution : Sertoli cells

Discussion

7305.	Question : Symbiotically prokaryotes lived in the ancestral eukaryotes and evolved into organelles like
Answer» MITOCHONDRIA and plasmids Mitochondria and phasmids Centrosomes and PLASTIDS Mitochondria and plastids ANSWER :D

Discussion

7306.	Question : The ancestors of Dinosaurs were
Answer» Thecodants Synapsids Therapsids Pelycosaurs ANSWER :A

Discussion

7307.	Question : Syconus fruit found in Ficus develops from _______ inflorescence
Answer» Capitulum Hypanthodium Catkin Cyathium Answer :B

Discussion

7308.	Question : The ancestor of man who used hides to protect their body were
Answer» HOMO habilis Homo neanderthalensis Homo ERECTUS Australopithecus Answer :B

Discussion

7309.	Question : Theanaphase-promoting complex is activated by
Answer» M CDK CYCLIN G 1 cdk cyclin S cdk cyclin Transcription factor Answer :A

Discussion

7310.	Question : "Swollen placenta and ovaries arranged obliquely on thalamus" It is a character of ?
Answer» Asparagus ASHWAGANDHA MUSTARD TRIFOLIUM Answer :B

Discussion

7311.	Question : The amount of starch that is normally hydrolysed in the oral cavity is_____ of total intake.Select the option which fills the blank in above statement correctly.
Answer» 10 percent 20 percent 50 percent 30 percent Answer :D

Discussion

7312.	Question : The amount of oxygen which can be transported by 1 litre of blood is
Answer» 20 ml 2 ml 200 ml 2000 ml Answer :C

Discussion

7313.	Question : Switch over from anaerobic to aerobic mode of respiration is accompanied by reduction in consumption of respiratory substrate. The phenomenon is called
Answer» WARBURG effect Pasteur effect Oxygen coefficient Liebig's law. Solution :N//A

Discussion

7314.	Question : The amount of nutrients (carbon, nitrogen, phosphorus, calcium, etc. present in soil at any given time is called as
Answer» STATING state STANDING CROP Biogeochemical cycle TROPHIC LEVEL Solution :Stating state

Discussion

7315.	Question : Swollen leaf base is called as:
Answer» PULVINUS Petiole Pinna Phyllode Answer :A

Discussion

7316.	Question : The amount of oxygen evolved by a quantum of light is called_____
Answer» ANSWER :QUANTUM YIELD

Discussion

7317.	Question : The amount of mineral elements like iron, copper and zinc are required by the plants is
Answer» Equal to 100 mmole `kg^-1` of DRY matter Mnore than 10 mmole `kg^-1` of dry matter Less than 10 mmol `kg^-1` of dry matter Equal to 1.0 mmole `kg^-1` of dry matter Answer :C

Discussion

7318.	Question : Swelling of wooden doors during rainy season is due to osmosis.
Answer» ANSWER :IMBIBITION

Discussion

7319.	Question : The amountof freshwater ofthe earth frozen as polar or glacial ice is .
Answer» `0.5%` `0.02%` `1.97%` `2.5%` ANSWER :D

Discussion

7320.	Question : Swiss cheese' with large holes are due to production of a large amount of CO_2 by a bacteria named
Answer» PROPIONIBACTERIUM sharmanii. Penicillium notatum Streptococcus Monascus purpureus Answer :A

Discussion

7321.	Question : The amount of freshwater of the Earth frozen as polar and glacial ice is:
Answer» `0.5%` `0.02%` `0.01%` `1.97%` ANSWER :D

Discussion

7322.	Question : Swelling of in old persons obstructs urination
Answer» SEMINAL vesicle Prostate glant Bulbo-urethral gland Corpus spongiosum Answer :B

Discussion

7323.	Question : Sweetest sugar is
Answer» Fructose Glucose Mannose Lactose. Solution :N//A

Discussion

7324.	Question : The amountof biodegradableorganicmatter in sewagewater can be estiminatedby measuringBOD a) Expand BOD writethe impactof thedischarge of sewageinto a river
Answer» Solution :a)BOD - BiochemicaloxygenDemand B) pollutedwater CONTAINS MICROORGANISM theyconsumelot ofoxygenfrom water for thebiodegradation of organicmaterial thatcausessharpdeclinein DISSOLVED oxygen.

Discussion

7325.	Question :Swedish botanist who proposed the artificial system of classification on the basis of floral morphology was :–
Answer» De–Jussieu Bentham and Hooker JOHN Ray Carl VON linne Answer :D

Discussion

7326.	Question : The amount of bicarbonates is relatively more in
Answer» PULMONARY veins Systemic arteries Precaval vein Coronary arteries Answer :C

Discussion

7327.	Question : Sweetening power of sugars is expressed as.
Answer» ANSWER :SWEETNESS INDEX

Discussion

7328.	Question : The amount of air that moves in and out of the lungs, with each normal inspiration and expiration is called
Answer» RESIDUAL volume Vital capacity Tidal volume None of these Answer :C

Discussion

7329.	Question : Sutures of human skull are example of
Answer» FIBROUS JOINTS hinge joints synovial joints PIVOTS joints Answer :a

Discussion

7330.	Question : The amnion of mammalian embryo is derived from
Answer» ENDODERM and mesoderm Mesoderm and trophoblast Ectoderm and mesoderm Ectoderm and endoderm Answer :C

Discussion

7331.	Question : Sutton united the knowledgeof chromosomal segregation with Mendelian principles and called it the..........
Answer» ANSWER :CHROMOSOMAL THEORY of INHERITANCE

Discussion

7332.	Question : Sutton and Boveri argued that the pairing and separation of a pair of chromosomes would lead to
Answer» The segregation of a PAIR of a pair of factors they carried The segregation of the characters Recombination of the factors they carried Both (b) and (C) ANSWER :A

Discussion

7333.	Question : The amino acid serine is coded by
Answer» UGC AGG UAG UCC Answer :D

Discussion

7334.	Question : Sustematic position of Cucurbitaceae according to Bentham and Hooker's system is
Answer» gamopetalae, calyciflorae, cucurbitales polypetalae, disciflorae cucurbitales polypetalae, calyciflorae, passiflorales polypetalae thalamiflorae, cucurbitales SOLUTION :CLASSIFICATION of CUCURBITACEAE is Polypetalae, Calyciflorae, Passiflorales , Cucurbitaceae

Discussion

7335.	Question : The amino acid substituted in sickle cell anemia is
Answer» GLUTAMIC ACID for VALINE in the ALPHA chain Glutamic acid for valine in the BETA chain Valine for glutamic acid in the alpha chain Valine for glutamic acid in the beta chain Answer :D

Discussion

7336.	Question : Suspensor formed during embryogeny of Sagittaria is
Answer» 6 - 10 celled 4 - 5 celled 2 - 3 celled 1 - celled. Answer :D

Discussion

7337.	Question : The aminoacid sequences of a bacterial protein and a human protein carrying out similar function are found to be 60%identical. However the DNA sequences of the genes coding for these proteins are only 45%identical.This is possible because :-
Answer» Proteinsequencedoes not depend on DNA sequence. DNA CODONS having differentnucleotides in thethird POSITION can code for the same aminoare found DNA codons havingdifferent nucleotides in the SECOND position can code for THESAME aminoacids Same DNAcodonscan code for multipleamino acids Solution :N//A

Discussion

7338.	Question : Suspension of seed germination due to endogenous factors is
Answer» Quiescence Dormancy Vivipary Both (1) & (2) ANSWER :B

Discussion

7339.	Question : The amino acid attaches to the tRNA at its:
Answer» 5' - end 3' end Anti codon site DHU LOOP Solution :3. - end The amino ACID ATTACHES to the tRNA at its 3.-end.

Discussion

7340.	Question : The amino acid attaches to the tRNA at its
Answer» 5' - end 3' - end anticodon SITE DHU loop Answer :B

Discussion

7341.	Question : Survival of fittest.
Answer» Solution :(1)The organisms having FAVOURABLE variations succed in the struggle for existence.(2)These organims are the fittest for survival(3)Since the organisms with UNFAVOURABLE variations are unfir to survive,they perish(4)This SHOWS that three is survival of the fittest.(5)Since the nature SELECTS the organism with favourable cariation which are fittest to survive,HENCE,the theory is known as the theory of natural selection.(6)the organisms with unfavourable variations are eliminated from the population.

Discussion

7342.	Question : The amino acid attaches to the tRNA at its :
Answer» 5' - end 3' - end Anticodon site DHU loop Answer :B

Discussion

7343.	Question : Survival of the fittest and stuggle for existence is related to
Answer» Lamarckism Darwinism Oparin theory All above theories Answer :B

Discussion

7344.	Question : The amino acid arginine has 6 mRNA codons : CGU, CGC, CGA, CGG, AGA and AGG. Give the DNA codons for it.
Answer» Solution :GCA, GCG, GCT, GCC, TCT and TCC.

Discussion

7345.	Question : The Americanaquatic weed, which had become a trouble in india is ?
Answer» Dolicus Hibucus Eichhornia Hispinosa Answer :C

Discussion

7346.	Question : Surveys and statistics show that the use ofdrugs and alcohol has been on the rise especially among the youth. Suggest any four measures that would be useful for prevention and control of alcohol and drug abuse among adolescents
Answer» Solution :AVOID UNDUE peer pressure Education and counselling Seeking help from parents and peers Seeking PROFESSIONAL & medical help

Discussion

7347.	Question : Explain how Eli lilly an American company produced insulin by recombinant technology?
Answer» SOLUTION :ELI LILLY

Discussion

7348.	Question : The alveolar ventilation per minute refers to the amount of fresh air which reaches the alveoli of the lungs per minute. Alvelor ventilation per minute equals the
Answer» (TIDAL volume - anatomic dead space) X FREQUENCY of breathing tidal volume x frequency of breathing anatomic dead space x frequency of breathing PHYSIOLOGIC dead space x frequency of breathing Answer :A

Discussion

7349.	Question : Surgical removal of testes of male to control the human population is :
Answer» Castration tubectomy Laproscopy Vasectomy Answer :A

Discussion

7350.	Question : The alternative fuel used in automobiles in Delhi to reduce air pollution.
Answer» SOLUTION :COMPRESSED NATURAL GAS (CNG)

Discussion

Explore topic-wise InterviewSolutions in .

Question : Sympathetic and Parasympathetic nervous system.

Question : The animal most useful on difficult terrains is

Question : Symbiotic theory of cell evolution was given by

Question : The Androgen Binding Protein (ABP) is produced by

Question : Symbiotically prokaryotes lived in the ancestral eukaryotes and evolved into organelles like

Question : The ancestors of Dinosaurs were

Question : Syconus fruit found in Ficus develops from _______ inflorescence

Question : The ancestor of man who used hides to protect their body were

Question : Theanaphase-promoting complex is activated by

Question : "Swollen placenta and ovaries arranged obliquely on thalamus" It is a character of ?

Question : The amount of starch that is normally hydrolysed in the oral cavity is_____ of total intake.Select the option which fills the blank in above statement correctly.

Question : The amount of oxygen which can be transported by 1 litre of blood is

Question : Switch over from anaerobic to aerobic mode of respiration is accompanied by reduction in consumption of respiratory substrate. The phenomenon is called

Question : The amount of nutrients (carbon, nitrogen, phosphorus, calcium, etc. present in soil at any given time is called as

Question : Swollen leaf base is called as:

Question : The amount of oxygen evolved by a quantum of light is called_____

Question : The amount of mineral elements like iron, copper and zinc are required by the plants is

Question : Swelling of wooden doors during rainy season is due to osmosis.

Question : The amountof freshwater ofthe earth frozen as polar or glacial ice is .

Question : Swiss cheese' with large holes are due to production of a large amount of CO_2 by a bacteria named

Question : The amount of freshwater of the Earth frozen as polar and glacial ice is:

Question : Swelling of in old persons obstructs urination

Question : Sweetest sugar is

Question : The amountof biodegradableorganicmatter in sewagewater can be estiminatedby measuringBOD a) Expand BOD writethe impactof thedischarge of sewageinto a river

Question :Swedish botanist who proposed the artificial system of classification on the basis of floral morphology was :–

Question : The amount of bicarbonates is relatively more in

Question : Sweetening power of sugars is expressed as.

Question : The amount of air that moves in and out of the lungs, with each normal inspiration and expiration is called

Question : Sutures of human skull are example of

Question : The amnion of mammalian embryo is derived from

Question : Sutton united the knowledgeof chromosomal segregation with Mendelian principles and called it the..........

Question : Sutton and Boveri argued that the pairing and separation of a pair of chromosomes would lead to

Question : The amino acid serine is coded by

Question : Sustematic position of Cucurbitaceae according to Bentham and Hooker's system is

Question : The amino acid substituted in sickle cell anemia is

Question : Suspensor formed during embryogeny of Sagittaria is

Question : The aminoacid sequences of a bacterial protein and a human protein carrying out similar function are found to be 60%identical. However the DNA sequences of the genes coding for these proteins are only 45%identical.This is possible because :-

Question : Suspension of seed germination due to endogenous factors is

Question : The amino acid attaches to the tRNA at its:

Question : The amino acid attaches to the tRNA at its

Question : Survival of fittest.

Question : The amino acid attaches to the tRNA at its :

Question : Survival of the fittest and stuggle for existence is related to

Question : The amino acid arginine has 6 mRNA codons : CGU, CGC, CGA, CGG, AGA and AGG. Give the DNA codons for it.

Question : The Americanaquatic weed, which had become a trouble in india is ?

Question : Surveys and statistics show that the use ofdrugs and alcohol has been on the rise especially among the youth. Suggest any four measures that would be useful for prevention and control of alcohol and drug abuse among adolescents

Question : Explain how Eli lilly an American company produced insulin by recombinant technology?

Question : The alveolar ventilation per minute refers to the amount of fresh air which reaches the alveoli of the lungs per minute. Alvelor ventilation per minute equals the

Question : Surgical removal of testes of male to control the human population is :

Question : The alternative fuel used in automobiles in Delhi to reduce air pollution.