24277 + Interview Questions in Biology in Class 12 Page 156 InterviewSolution

7751.	Question : Statement I : Amoeba is a unicellularorganism andthe single cell performsall functionsof a living organism. Statement II : Cell isthe fundamentalunit of levelorganism
Answer» Both the staterments are individually true and Statement II isthe correct explanationof Statement I. Both the statemnts are individually true but Statement II is not the correctexplanationof Statement I. StatementI is true but Statement II is false. Statement I is false but StatementII is true Solution :AMOEBA is a UNICELLULARORGANISM and the SINGLECELL performsall functions of a livingorganism becausecell is thefundamental unit of livingorganism.

Discussion

7752.	Question : Statement (I): Allogenic succession occurs as a result of abiotic factors. Statement (II): Autogenic succession occurs as result of biotic factors.
Answer» (a) STATEMENT I is correct , Statement II is incorrect. (B) Statement I is incorrect , Statement II is correct (c) Both STATEMENTS I and II are correct. (d) Both Statements I and II are incorrect Answer :C

Discussion

7753.	Question : Statement-A:male gametophyte in gymnosperms is highly reduced.Statement-B : Megasporophylls are compacity arranged in Cycas.
Answer» Only statement-A is incorrect Only statement-B is incorrect Both SATEMENTS A and B are incorrect Both satements A and B are correct Answer :B

Discussion

7754.	Question : Statement-I Adrenalin functions differently in different organs like heart and liver statement-II :Adrenalin receptors differ indifferent organs
Answer» STATEMENT-I and statement-II both are CORRECT Statement-I is correct and statement -is WRONG Statement-I is wrong and statement -II is correct Statement-I and statement -II Both are wrong Answer :B

Discussion

7755.	Question : Statement-A: The mosses have an elaborate mechanism of spore dispersal. Statement-B: Leafy stage in mosses develops from secondary protonema as an apical bud.
Answer» Both statement-A and statement-Bare incorrect Both statement-A and statement-B are correct Statement-B is incorrect Statement-A is incorrect Answer :C

Discussion

7756.	Question : Statement- A: Thalamus is the swollen end of the pedicel of a flower.Statement- B: In Lily, calyx and corolla are not distinct.
Answer» Both STATEMENT A and B are incorrect Both statement A and B are correct Only statement A is correct Only statement B is correct Answer :B

Discussion

7757.	Question : Statement A : Stroids do not contain fatty acids, but are included in lipids. Statement B : Cholesterol is the most abundant steroid in animal tissues.
Answer» Statement (A) and (B) are correct Statement (A) is correct and (B) is INCORRECT Statement (A) is incorrect and (B) is correct Statement (A) and (B) are incorrect Answer :A

Discussion

7758.	Question :Statement .A.: Sewage water contains large amount of organic matter and microbes.Statement .B.: Sewage water is treated through heterotrophic bacteria and the effluents is released to rivers.(A) Statement A and statement B are true and statement B is the correct explanation of A(B) Statement A is false and B is true.(C) Statement A is true and B is false.(D) Both statement A and B are false.
Answer» STATEMENT A and statement B are TRUE and statement B is the CORRECT EXPLANATION of A Statement A is false and B is true. Statement A is true and B is false. Both statement A and B are false. Solution : Statement A and statement B are true and statement B is the correct explanation of A

Discussion

7759.	Question : statement A: same organisms always occupy only one specific tophic level in a food web. statement B: a species may occupy more than one trophic level in the same ecosystem at the same time
Answer» only STATEMENT A is CORRECT only statement B is correct Both STATEMENTS A and B are correct both statements A and B are incorrect Answer :B

Discussion

7760.	Question : statement A: pancreatic juice contain trypsin, chymotrypsin, carboxypeptidase, amylase, lipase and nuclease in active state . statement B: pancreatic juice is is released via hepatopancreatic duct in duodenum
Answer» STATEMENT A is CORRECT and statement B is INCORRECT. both statements A and B are correct statement A is incorrect and B is correct both statement A and B are incorrect ANSWER :C

Discussion

7761.	Question : Statement A : Ribosomes are membraneless organelles found in all cells. Statement B : Cytoplasm is the main arena of cellular activities.
Answer» Only STATEMENT A is incorrect Only statement B is incorrect Both the statement are incorrect Both the statement are correct Answer :D

Discussion

7762.	Question : Statement (A): Jaundice occurs if liver is affected. Statement (B) : In case of jaundice the skin, eyes (sclera) turn yellow due to deposit of bile salts in then.
Answer» Both (A) and (B) are true Both (A) and (B) are FALSE (A) is CORRECT but (B) is incorrect (A) is incorrect but (B) is correct Answer :C

Discussion

7763.	Question : statement A: in India,biosphere reserve ecologically unique and legally protectedbiodiversity rich regions.Statement B: biodiversity hotspots have highdegree of endemism.
Answer» only STATEMENT A is correct only statement B is correct both STATEMENTS A and B are correct both statements A and B are in correct Answer :C

Discussion

7764.	Question : Statement-A : In some leguminous plants, the leaf base swells and is called pulvinus.Statement-B : Pulvinus produces a cooling effect in the leaves by bringing fresh air to the leaf surface.
Answer» Statement-A is incorrect Statement-B is incorrect Both STATEMENTS A and B are incorrect Both statements A and B are correct Answer :B

Discussion

7765.	Question : Statement A: Kreb's cycle takes place in the matrix of mitochondria.Statement B: TCAcycle is an amphibolic process.
Answer» Only STATEMENT A is correct Only statement B is correct Both STATEMENTS A and B are incorrect Both statements A and B re correct Answer :D

Discussion

7766.	Question : Statement (A): Humans have the ability to produce concentrated urine.Statement (B) : Majority of the nephrons in the human kidney have very long loops of Henle and well-developed vasa recta which are involved in countercurrent mechanism.
Answer» Both A and B are CORRECT Both A and B are FALSE A is TRUE, but B is false A is false, but B is true Answer :C

Discussion

7767.	Question : Statement A : ECG represents electrical activity of heart during a cardiac cycle. Statement B : Electrocardiograph is obtained using electrocardiogram machine.
Answer» Both STATEMENTS are correct Statements A is correct and B is incorrect Statements A is incorrect and B is correct Both statements are incorrect Answer :B

Discussion

7768.	Question : Statement (A) : Fructose enters into the epithelial cell by facilitated transport. Statement (B) : Movement of fructose molecules enters into the epithelial cells by spending some energy.
Answer» Both (A) and (B) are TRUE Both (A) and (B) are FALSE (A) is CORRECT but (B) is incorrect (A) is incorrect but (B) is correct Answer :C

Discussion

7769.	Question : Statement .A.: Bacteria grow in excreta or decaying material.Statement .B.: Due to aerobic respiration like metabolic activities, mixture of gases are produced in biogas plants.
Answer» STATEMENT A and Statement B are TRUE and statement B is correct explanation of A. Statement A and statement are true but statement B is not the correct explanation of A. Statement A is true but statement B is FALSE. Both statement A and statement B are false. SOLUTION :Statement A is true but statement B is false.

Discussion

7770.	Question : Statement A: coffee contains caffeine Reason B: Drinking coffe enhances cancer
Answer» A is CORRECT ,B is correct A and B - Both are correct A is WRONG , B is correct A and B -both are wrong Solution : A is correct , B is wrong

Discussion

7771.	Question :Statement (A): Atrial natriuretic peptide (ANP) mechanism acts as a counter check on the RAAS (Renin-Angiotensin-Aldosterone system).Statement (B) : ANP causes contraction of vascular smooth muscles.
Answer» Both A and B are correct Both A and B are false A is true, but B is false A is false, but B is true Answer :C

Discussion

7772.	Question : Statement A: All tRNA molecules have a guanine residue at its5'terminal end. Statement B: There are several tRNAs for stop codons.
Answer» Statement A is CORRECT and Statement B is INCORRECT Both the statement A and statement B are incorrect Both the statement A and statement B are correct Statement A is incorrect and Statement B is correct Answer :A

Discussion

7773.	Question : Statement .A.: A number of technological advances like pasteurization of milk and sealing it in sterile container occur in dairy farming. Statement .B.: Now it is possible to distribute milk and its products to every part of nation.
Answer» Statement .A. and Statement .B. are TRUE and .B. is EXPLANATION of Statement .A.. Statement .A. and Statement .B. are true but Statement .B. is not the correct explanation of statement A. Statement .A. is correct but statement .B. is INCORRECT. Statement .A. is incorrect but statement .B. is correct. Solution :Statement .A. and Statement .B. are true and .B. is explanation of Statement .A..

Discussion

7774.	Question : Statement 1 : YAC plasmid behaves like a yeast chromosome. Statement 2 : Circular YAC multiplies in bacteria.
Answer» Statement 1 is correct and Statement 2 is ALSO correct. Statement 1 is correct and Statement 2 is INCORRECT . Both the statement are incorrect . Statement 1 is incorrect and Statement 2 is correct. Answer :A

Discussion

7775.	Question : Statement 1: Western Ghats extend from South Gujarat to Karnataka. Statement 2: Wild ass is an endemic species of Western Ghats
Answer» Statement 1 is CORRECT, statement 2 in incorrect Statement 1 is incorrect, statement 2 in correct Both the STATEMENTS are correct Both the statements are incorrect. Answer :D

Discussion

7776.	Question : Statement (1): Trichoderma species is a free-living bacteria. Statement (2): It acts as a potent bio-control agent
Answer» a) STATEMENT 1 is correct and Statement 2 is incorrect b) Statement 1 is incorrect and Statement 2 is correct c) Both STATEMENTS are correct d) Both statements are incorrect Answer :B

Discussion

7777.	Question : Statement 1: The pollen grains are deposited on the receptive surface of style . Statement 2 : After landing , the first visible change in pollen is hydration.
Answer» STATEMENT 1 is CORRECT and statement 2 is INCORRECT Statement 1 is incorrect and Statement 2 is correct . Both the STATEMENTS 1 and 2correct . Both the statements 1 and 2incorrect . Answer :B

Discussion

7778.	Question : Statement 1 : The widely accepted DNA replicated model is Holliday's hybrid DNA model . Statement 2 : The veritcal cut in the DNA results in heteroduplex with non - recombinants
Answer» Statement 1 is correct and Statement 2 is INCORRECT Statement 1 is incorrect and Statement 2 is correct Both the STATEMENTS are correct Both the statements are incorrect ANSWER :D

Discussion

7779.	Question : Statement (1): The intensity of noise is measured in dobson (dB) unit. Statement (2): Noise provides immense bliss.
Answer» STATEMENT 1 is TRUE, statement 2 is false Statement 1 is false, statement 2 is true Both STATEMENTS 1 and 2 are true Both statements 1 and 2 are false SOLUTION :Both statements 1 and 2 are false

Discussion

7780.	Question : Statement (1): The endometrium acts as transitory endocrine gland secreting progesterone Statement (2): Progesterone maintain pregnancy
Answer» a) Statement 1 is CORRECT, statement 2 is INCORRECT. B) Statement 1 is incorrect, statement 2 is correct. c) Both the statements 1 and 2 are correct. d) Both the statements 1 and 2 are incorrect. Solution :Statement 1 is incorrect, statement 2 is correct.

Discussion

7781.	Question : Statement 1 : Test cross is done between F_1 individual with homozygous recessive Statement 2 : If F_1 individual is homozygous , the rate of a monohybrid cross will be 1 : 1
Answer» STATEMENT 1 is correct & Statement 2 is INCORRECT Statement 1 is incorrect & Statement 2 is correct Both STATEMENTS 1 & 2 are correct Both Statements 1 & 2 incorrect Answer :A

Discussion

7782.	Question : Statement 1: Rosie was the first transgenic goat.Statement 2: Meat is enriched with human protein.
Answer» Statement 1 is true. Statement 2 is FALSE. Statement 1 is false. Statement 2 is true. Both statements 1 and 2 are true. Both statements 1 and 2 are false. SOLUTION :Both statements 1 and 2 are false.

Discussion

7783.	Question : Statement (1): Siamese twins are conjoined twins who are joined during birth. Statement (2): Dizygotic twins will be of same sex.
Answer» STATEMENT 1 is correct, statement 2 is INCORRECT. Statement 1 is incorrect, statement 2 is correct. Both the statements 1 and 2 are correct. Both the statements 1 and 2 are incorrect. Solution : Statement 1 is correct, statement 2 is incorrect.

Discussion

7784.	Question : Statement 1 : Self - sterility in Nicotiana is controlled by multiple alleles. Statement 2 : Multiple alleles are always responsible for the same character .
Answer» STATEMENT 1 is correct and Statement 2 is INCORRECT Statement 1 is incorrect and Statement 2 is correct Both the STATEMENTS are correct Both the statements are incorrect Answer :C

Discussion

7785.	Question : Statement 1: Recombinant Hepatitis B vaccine is a live vaccine. Statement 2: It is obtained by cloning HB antigen gene in yeast.
Answer» Statement 1 is TRUE. Statement 2 is FALSE. Statement 1 is false. Statement 2 is true. Both statements 1 and 2 are true. Both statements 1 and 2 are false. Solution :Statement 1 is false. Statement 2 is true.

Discussion

7786.	Question : Statement 1 : Primary sporogenous cell functions as megaspore mother cell. Statement 2 : Megaspore mother cell undergoes mitotic division producing megaspores .
Answer» STATEMENT 1 is correct and statement 2 is INCORRECT Statement 1 is incorrect and Statement 2 is correct . Both the statements 1 and 2CORRECT . Both the statements 1 and 2incorrect . ANSWER :A

Discussion

7787.	Question : Statement 1 : Pairing of homologous chromosome is called as syndesis. Statement 2 : Proterminal syanpsis occurs from telomeres.
Answer» STATEMENT 1 is CORRECT and Statement 2 is INCORRECT Statement 1 is incorrect and Statement 2 is correct Both the Statements are correct Both the statements are incorrect ANSWER :D

Discussion

7788.	Question : Statement (1): Menstrual cycle occurs once in every 29 days. Statement (2): The average age of menopause is 45-50 years.
Answer» a) STATEMENT 1 is CORRECT, statement 2 is INCORRECT. b) Statement 1 is incorrect, statement 2 is correct. c) Both the STATEMENTS 1 and 2 are correct. d) Both the statements 1 and 2 are incorrect. Solution :Both the statements 1 and 2 are correct.

Discussion

7789.	Question : Statement 1 : Liposome are the artificial lipoprotein vesicles. Statement 2 : Liposomes are highly used in gene transfer.
Answer» STATEMENT 1 is CORRECT and Statement 2 is ALSO correct. Statement 1 is correct and Statement 2 is incorrect . Both the statement are incorrect . Statement 1 is incorrect and Statement 2 is correct. Answer :D

Discussion

7790.	Question : Statement 1: Latitudes represent distance from the equator. Statement 2: Height above the seal lével from longitude.
Answer» Statement 1 is CORRECT. Statement 2 is incorrect. Statement 1 is incorrect. Statement 2 is correct. Both the STATEMENTS are correct. Both the statements are incorrect. Solution :Statement 1 is correct. Statement 2 is incorrect.

Discussion

7791.	Question : Statement 1 : Intergenic gene interaction occurs between alleles at same locus Statement 2 : Co - dominance is an example for intergenic gene interaction
Answer» Statement 1 is CORRECT & Statement 2 is incorrect Statement 1 is incorrect & Statement 2 is correct Both STATEMENTS 1 & 2 are correct Both Statements 1 & 2 incorrect ANSWER :C

Discussion

7792.	Question : Statement 1: India is the seventh largest country in the world in terms of ares: Statement 2: It includes ten biogeographic areas.
Answer» STATEMENT 1 is correct, statement 2 in incorrect Statement 1 is incorrect, statement 2 in correct Both the statements are correct Both the statements are incorrect. Answer :C

Discussion

7793.	Question : Statement (1): IncompleteCombustionof fossil fuels release CO Statement (2): CO is a GHG
Answer» Statement 1 is true, statement 2 is FALSE Statement 1 is false, statement 2 is true Both STATEMENTS 1 and 2 are true Both statements 1 and 2 are false Solution :Both Statements 1 and 2 are true

Discussion

7794.	Question : Statement 1 : In transversion mutation , single purine is changed to pyrimidine. Statement 2 : In transition mutation , a purine replaced by another purine.
Answer» a) STATEMENT 1 is correct and Statement 2 is INCORRECT b) Statement 1 is incorrect and Statement 2 is correct c) Both the STATEMENTS are correct d) Both the statements are incorrect ANSWER :D

Discussion

7795.	Question : statement 1: In heterosporous pteridophytes, development of zygote into young embryo takes place within the female gametophyte. statement 2: Heterospory is one of the essentialityfor seed habit in plants.
Answer» only statement-1 is correct only statement-2 is correct both the STATEMENTS are incorrect both the statements are correct Answer :D

Discussion

7796.	Question : Statement 1: Human Insulin is a polypeptide Statement 2: It is composed of 52 amino acids
Answer» Statement 1 is TRUE. Statement 2 is false. Statement 1 is false. Statement 2 is true. Both statements 1 and 2 are true. Both statements 1 and 2 are false. SOLUTION :Statement 1 is true. Statement 2 is false.

Discussion

7797.	Question : Statement (1): Human pregnancy lasts for 35 weeks. Statement (2): During gestation, embryo's heart develops during 12th week.
Answer» (a)STATEMENT 1 is CORRECT, statement 2 is incorrect. (a) Statement 1 is incorrect, statement 2 is correct. (c) Both the statements 1 and 2 are correct. (d) Both the statements 1 and 2 are incorrect. Solution :Both the statements 1 and 2 are incorrect.

Discussion

7798.	Question : Statement 1: Holoparsites depend totally on other organisms for nutrition. Statement 2: Durnta is holoparasite.
Answer» STATEMENT 1 is CORRECT. Statement 2 is incorrect. Statement 1 is incorrect. Statement 2 is correct. Both the STATEMENTS are correct. Both the statements are incorrect. Solution :Both the statements are correct.

Discussion

7799.	Question : Statement 1 : Flower is a highly condensed shoot for reproductive purpose. Statement 2 : A complete flower possess four whorls.
Answer» Both the STATEMENTS are INCORRECT. Statement 1 is CORRECT and Statement 2 is incorrect . Both the statements are correct Statement 1 is incorrect and statement 2 is correct. Answer :C

Discussion

7800.	Question : Statement (1): During spermiation, the sperms are released into the cavity of seminiferous tubule. Statement (2): During spermiogenesis, the spermatids get mature into sperms.
Answer» Statement 1 is correct, statement 2 is INCORRECT. Statement 1 is incorrect, statement 2 is correct. Both the statements 1 and 2 are correct. Both the statements 1 and 2 are incorrect. SOLUTION :Both the statements 1 and 2 are correct.

Discussion

Explore topic-wise InterviewSolutions in .

Question : Statement I : Amoeba is a unicellularorganism andthe single cell performsall functionsof a living organism. Statement II : Cell isthe fundamentalunit of levelorganism

Question : Statement (I): Allogenic succession occurs as a result of abiotic factors. Statement (II): Autogenic succession occurs as result of biotic factors.

Question : Statement-A:male gametophyte in gymnosperms is highly reduced.Statement-B : Megasporophylls are compacity arranged in Cycas.

Question : Statement-I Adrenalin functions differently in different organs like heart and liver statement-II :Adrenalin receptors differ indifferent organs

Question : Statement-A: The mosses have an elaborate mechanism of spore dispersal. Statement-B: Leafy stage in mosses develops from secondary protonema as an apical bud.

Question : Statement- A: Thalamus is the swollen end of the pedicel of a flower.Statement- B: In Lily, calyx and corolla are not distinct.

Question : Statement A : Stroids do not contain fatty acids, but are included in lipids. Statement B : Cholesterol is the most abundant steroid in animal tissues.

Question : statement A: same organisms always occupy only one specific tophic level in a food web. statement B: a species may occupy more than one trophic level in the same ecosystem at the same time

Question : statement A: pancreatic juice contain trypsin, chymotrypsin, carboxypeptidase, amylase, lipase and nuclease in active state . statement B: pancreatic juice is is released via hepatopancreatic duct in duodenum

Question : Statement A : Ribosomes are membraneless organelles found in all cells. Statement B : Cytoplasm is the main arena of cellular activities.

Question : Statement (A): Jaundice occurs if liver is affected. Statement (B) : In case of jaundice the skin, eyes (sclera) turn yellow due to deposit of bile salts in then.

Question : statement A: in India,biosphere reserve ecologically unique and legally protectedbiodiversity rich regions.Statement B: biodiversity hotspots have highdegree of endemism.

Question : Statement-A : In some leguminous plants, the leaf base swells and is called pulvinus.Statement-B : Pulvinus produces a cooling effect in the leaves by bringing fresh air to the leaf surface.

Question : Statement A: Kreb's cycle takes place in the matrix of mitochondria.Statement B: TCAcycle is an amphibolic process.

Question : Statement (A): Humans have the ability to produce concentrated urine.Statement (B) : Majority of the nephrons in the human kidney have very long loops of Henle and well-developed vasa recta which are involved in countercurrent mechanism.

Question : Statement A : ECG represents electrical activity of heart during a cardiac cycle. Statement B : Electrocardiograph is obtained using electrocardiogram machine.

Question : Statement (A) : Fructose enters into the epithelial cell by facilitated transport. Statement (B) : Movement of fructose molecules enters into the epithelial cells by spending some energy.

Question : Statement .A.: Bacteria grow in excreta or decaying material.Statement .B.: Due to aerobic respiration like metabolic activities, mixture of gases are produced in biogas plants.

Question : Statement A: coffee contains caffeine Reason B: Drinking coffe enhances cancer

Question :Statement (A): Atrial natriuretic peptide (ANP) mechanism acts as a counter check on the RAAS (Renin-Angiotensin-Aldosterone system).Statement (B) : ANP causes contraction of vascular smooth muscles.

Question : Statement A: All tRNA molecules have a guanine residue at its5'terminal end. Statement B: There are several tRNAs for stop codons.

Question : Statement .A.: A number of technological advances like pasteurization of milk and sealing it in sterile container occur in dairy farming. Statement .B.: Now it is possible to distribute milk and its products to every part of nation.

Question : Statement 1 : YAC plasmid behaves like a yeast chromosome. Statement 2 : Circular YAC multiplies in bacteria.

Question : Statement 1: Western Ghats extend from South Gujarat to Karnataka. Statement 2: Wild ass is an endemic species of Western Ghats

Question : Statement (1): Trichoderma species is a free-living bacteria. Statement (2): It acts as a potent bio-control agent

Question : Statement 1: The pollen grains are deposited on the receptive surface of style . Statement 2 : After landing , the first visible change in pollen is hydration.

Question : Statement 1 : The widely accepted DNA replicated model is Holliday's hybrid DNA model . Statement 2 : The veritcal cut in the DNA results in heteroduplex with non - recombinants

Question : Statement (1): The intensity of noise is measured in dobson (dB) unit. Statement (2): Noise provides immense bliss.

Question : Statement (1): The endometrium acts as transitory endocrine gland secreting progesterone Statement (2): Progesterone maintain pregnancy

Question : Statement 1 : Test cross is done between F_1 individual with homozygous recessive Statement 2 : If F_1 individual is homozygous , the rate of a monohybrid cross will be 1 : 1

Question : Statement 1: Rosie was the first transgenic goat.Statement 2: Meat is enriched with human protein.

Question : Statement (1): Siamese twins are conjoined twins who are joined during birth. Statement (2): Dizygotic twins will be of same sex.

Question : Statement 1 : Self - sterility in Nicotiana is controlled by multiple alleles. Statement 2 : Multiple alleles are always responsible for the same character .

Question : Statement 1: Recombinant Hepatitis B vaccine is a live vaccine. Statement 2: It is obtained by cloning HB antigen gene in yeast.

Question : Statement 1 : Primary sporogenous cell functions as megaspore mother cell. Statement 2 : Megaspore mother cell undergoes mitotic division producing megaspores .

Question : Statement 1 : Pairing of homologous chromosome is called as syndesis. Statement 2 : Proterminal syanpsis occurs from telomeres.

Question : Statement (1): Menstrual cycle occurs once in every 29 days. Statement (2): The average age of menopause is 45-50 years.

Question : Statement 1 : Liposome are the artificial lipoprotein vesicles. Statement 2 : Liposomes are highly used in gene transfer.

Question : Statement 1: Latitudes represent distance from the equator. Statement 2: Height above the seal lével from longitude.

Question : Statement 1 : Intergenic gene interaction occurs between alleles at same locus Statement 2 : Co - dominance is an example for intergenic gene interaction

Question : Statement 1: India is the seventh largest country in the world in terms of ares: Statement 2: It includes ten biogeographic areas.

Question : Statement (1): IncompleteCombustionof fossil fuels release CO Statement (2): CO is a GHG

Question : Statement 1 : In transversion mutation , single purine is changed to pyrimidine. Statement 2 : In transition mutation , a purine replaced by another purine.

Question : statement 1: In heterosporous pteridophytes, development of zygote into young embryo takes place within the female gametophyte. statement 2: Heterospory is one of the essentialityfor seed habit in plants.

Question : Statement 1: Human Insulin is a polypeptide Statement 2: It is composed of 52 amino acids

Question : Statement (1): Human pregnancy lasts for 35 weeks. Statement (2): During gestation, embryo's heart develops during 12th week.

Question : Statement 1: Holoparsites depend totally on other organisms for nutrition. Statement 2: Durnta is holoparasite.

Question : Statement 1 : Flower is a highly condensed shoot for reproductive purpose. Statement 2 : A complete flower possess four whorls.

Question : Statement (1): During spermiation, the sperms are released into the cavity of seminiferous tubule. Statement (2): During spermiogenesis, the spermatids get mature into sperms.