24277 + Interview Questions in Biology in Class 12 Page 321 InterviewSolution

16001.	Question : How many nuclei are involved in double fertilization?
Answer» 3 2 4 5 Answer :D

Discussion

16002.	Question : How many non sugars are present as a intermediate of in calvin cycle ?
Answer» 2 3 5 6 Answer :A

Discussion

16003.	Question :How many non-sense codons are found in 64 codons?
Answer» SOLUTION :THREE. They are UAA, UGA and UAG.

Discussion

16004.	Question : How many neurons are present in the brain?
Answer» SOLUTION :There are about 30,000 MILLION NEURONS in the BRAIN.

Discussion

16005.	Question : How many nephrons are present in each kidney and that is the length and diameter of each?
Answer» SOLUTION :There are about 1 to 1.2 million nephrons in each KIDNEY, the length is about 3 cm while the diameter is about 20 to 60 mm.

Discussion

16006.	Question : How many NADPH molecules are required to form one sucrose ?
Answer» 12 NADPH 2 NADPH 24 NADPH 6 NADPH ANSWER :C

Discussion

16007.	Question : How many NADPH_(2) and ATP are required for the synthesis of one molecule of glucose?
Answer» Solution :Twelve molecules of `NADPH_(2)` and EIGHTEEN molecules of ATP are required for the SYNTHESIS of one molecule of GLUCOSE.

Discussion

16008.	Question : How many National Parks are there in India ?
Answer» 79 90 69 59 Solution :90

Discussion

16009.	Question : How many NADPH + H^(+) are produced in cyclic photophosphorylation per 4e-flow in its ETS.
Answer» ONE TWO FOUR Zero Answer :D

Discussion

16010.	Question : How many MTPs are done in every year in the world ?
Answer» 40 to 50million 40 to 50million 45 to 50million 40 to 60million ANSWER :C

Discussion

16011.	Question : How many molecules of pyruvic acid are formed in glycolysis?
Answer» 2 1 15 16 Solution :In glycolysis, 2 molecules of pyruvic acid are formed. It is the first step of degradation of GLUCOSE, The main purpose of glycolysis is the GENERATION of ENERGY in the form of ATP. Howover, COMPARATIVELY more ATPS are formed downstream of glycolysis through the complete oxidation of pynuvate.

Discussion

16012.	Question : How many molecules of ozone can be decomposed by one atom of chlorine ?(A) 10(B) 100(C) 10,000(D) 1,00,000
Answer» 10 100 10,000 1,00,000 ANSWER :D

Discussion

16013.	Question : How many molecules of NADH_2reproduced when four molecules ofphospho-glyceraldehyde are converted into four molecules of pyruvate?
Answer» 2 4 6 8 Answer :B

Discussion

16014.	Question : How many molecules of oxygen are used during glycolysis of one glucose molecule ?
Answer» 38 34 2 0 Answer :D

Discussion

16015.	Question : how many molecules of oxygen are transported by each molecule of haemoglobin?
Answer» 1 3 4 2 Answer :C

Discussion

16016.	Question : How many molecules of inorganic phosphate are released in Calvin cycle in formation of one glucose ?
Answer» 12 16 17 18 Answer :B

Discussion

16017.	Question : How many molecules of ATP will be generated in Krebs cycle ,if amolecule of sources is completelyoxidised and used a substrate?
Answer» 24 48 2 30 Answer :B

Discussion

16018.	Question : How many molecules of glycine are required torelease one molecule of CO_2 in photorespiration ?
Answer» One TWO Three FOUR ANSWER :B

Discussion

16019.	Question : How many molecules of ATP are consumed in the transfer of NADH+H^(+) from cytoplasm to mitochondria?
Answer» 2 4 6 8 Solution :NA

Discussion

16020.	Question : How many molecules of 1NADH+H^+ are left at the end of anaerobic respiration
Answer» 2 4 6 0 Answer :D

Discussion

16021.	Question : How many mitotic divisions are required for the formation of mature embryosac
Answer» 4 3 5 2 Answer :B

Discussion

16022.	Question : How many minimum meiosis divisions are essential for the formation of 128 zygotes in human ?
Answer» 126 160 131 63 Answer :B

Discussion

16023.	Question : How many millions years ago our distant ancestors of our order lived in fresh water ponds in form of crossopterygian fish '?
Answer» 480 460 380 400 Solution :480

Discussion

16024.	Question : How many million years before reptiles were existed?
Answer» 200 250 300 350 Solution :250

Discussion

16025.	Question : How many million years before sea weeds and some plants came into existence ?
Answer» 360 325 320 165 Solution :320

Discussion

16026.	Question : How many million years before Propliopithecus was showing existence?
Answer» 20 30 40 50 Solution :30

Discussion

16027.	Question : How many million years before amphibians were originated ?
Answer» 360 250 165 325 Solution :325

Discussion

16028.	Question : How many microspores are formed from 10 microspore mother cells by meiosis ?
Answer» 10 20 40 80 Answer :C

Discussion

16029.	Question : How many microspore mother cells are required to produce 80 male gametes in angiosperms
Answer» 10 20 40 80 Answer :A

Discussion

16030.	Question : How many microspore mother cells are required for the formation of 100 microspores in floweringplants.
Answer» 25 50 75 80 Solution :CYPRUS `to`1 MMC1 MICROSPORE (M)

Discussion

16031.	Question : How many micronutrientsare known ? Namethem
Answer» SOLUTION :8. They are Fe, Mn, CU, MO, Zn, B, ClandNi.

Discussion

16032.	Question : How many methods are there for animal breeding?
Answer» 3 2 1 4 Solution :3

Discussion

16033.	Question : How many members are heterosporous from the given members in box ? Adiantum, Polytrichum, Marsilea, Equisetum, Lycopodium, Selaginella, Ginkgo, Azolla, Sphagnum
Answer» Four Six Seven Three Answer :A

Discussion

16034.	Question : How many meiotic divisions should take place to produce 100 pollen grains?
Answer» 200 100 50 25 Answer :D

Discussion

16035.	Question : How many meiotic divisions should take place to produce 100 pollen grains ?
Answer» 25 50 100 200 Answer :A

Discussion

16036.	Question : How many meiotic divisions are required for the formation of 100 seeds ?
Answer» 25 50 100 125 Answer :D

Discussion

16037.	Question : How many megaspore mother cells are produced in a Nucellus?(A) Two(B) Eight(C) Four(D) One
Answer» Two Eight Four One Answer :D

Discussion

16038.	Question : How many megaspore mothe cell are produced in a nuclellus
Answer» 3 1 2 4 Answer :B

Discussion

16039.	Question : How many map units separate two alleles A and B if the recombination frequency is 0.09?
Answer» 900 cM 90 cM 9 cM 0.9 cM Answer :D

Discussion

16040.	Question : How many male gametes are released by pollen tube near the egg cell in angiosperms ? (A) One(B) Two(C) Three(D) Four
Answer» ONE TWO three four ANSWER :B

Discussion

16041.	Question : How many liver lobes are present in man?
Answer» ANSWER :TWO

Discussion

16042.	Question : How many linkage groups are present in female and male grasshopper repectively?
Answer» 0.425 0.50833333333333 0.17083333333333 0.25277777777778 Answer :B

Discussion

16043.	Question : How many kinds of gametes can be produced by an individual of genotype (A)/(a)(B)/(b)(C)/(c )(D)/(d)(e )/(e ) (F)/(f)
Answer» 32 16 8 4 Answer :A

Discussion

16044.	Question : How many invertebrates in rain forest of Amazonian ?
Answer» 1250 2500 25000 More than 1,25,000 Solution :More than 1,25,000

Discussion

16045.	Question : How many hot spots of biodiversity in the world have been identified till date by Norman Myers ?
Answer» 34 43 17 25 Solution :34

Discussion

16046.	Question :How many ' hot spots ' now exist in the world ?
Answer» 25 34 30 42 Answer :B

Discussion

16047.	Question : How many hot spots exist in India ?
Answer» 25 34 3 581 Solution :3

Discussion

16048.	Question : How many high-energy phosphate bond equivalents are utilized in the process of activation of amino acids for protein synthesis?
Answer» Four Two One Three Answer :B

Discussion

16049.	Question : How many high-energy phosphate bonds are utilized in the process of activation of one amino acid for protein synthesis?
Answer» FOUR TWO Ten THREE ANSWER :B

Discussion

16050.	Question : How many 'H_2 O' molecule are involved in oxidation decarboxylation and Kreb's ctcle?
Answer» 1 4 5 6 Answer :B

Discussion

Explore topic-wise InterviewSolutions in .

Question : How many nuclei are involved in double fertilization?

Question : How many non sugars are present as a intermediate of in calvin cycle ?

Question :How many non-sense codons are found in 64 codons?

Question : How many neurons are present in the brain?

Question : How many nephrons are present in each kidney and that is the length and diameter of each?

Question : How many NADPH molecules are required to form one sucrose ?

Question : How many NADPH_(2) and ATP are required for the synthesis of one molecule of glucose?

Question : How many National Parks are there in India ?

Question : How many NADPH + H^(+) are produced in cyclic photophosphorylation per 4e-flow in its ETS.

Question : How many MTPs are done in every year in the world ?

Question : How many molecules of pyruvic acid are formed in glycolysis?

Question : How many molecules of ozone can be decomposed by one atom of chlorine ?(A) 10(B) 100(C) 10,000(D) 1,00,000

Question : How many molecules of NADH_2reproduced when four molecules ofphospho-glyceraldehyde are converted into four molecules of pyruvate?

Question : How many molecules of oxygen are used during glycolysis of one glucose molecule ?

Question : how many molecules of oxygen are transported by each molecule of haemoglobin?

Question : How many molecules of inorganic phosphate are released in Calvin cycle in formation of one glucose ?

Question : How many molecules of ATP will be generated in Krebs cycle ,if amolecule of sources is completelyoxidised and used a substrate?

Question : How many molecules of glycine are required torelease one molecule of CO_2 in photorespiration ?

Question : How many molecules of ATP are consumed in the transfer of NADH+H^(+) from cytoplasm to mitochondria?

Question : How many molecules of 1NADH+H^+ are left at the end of anaerobic respiration

Question : How many mitotic divisions are required for the formation of mature embryosac

Question : How many minimum meiosis divisions are essential for the formation of 128 zygotes in human ?

Question : How many millions years ago our distant ancestors of our order lived in fresh water ponds in form of crossopterygian fish '?

Question : How many million years before reptiles were existed?

Question : How many million years before sea weeds and some plants came into existence ?

Question : How many million years before Propliopithecus was showing existence?

Question : How many million years before amphibians were originated ?

Question : How many microspores are formed from 10 microspore mother cells by meiosis ?

Question : How many microspore mother cells are required to produce 80 male gametes in angiosperms

Question : How many microspore mother cells are required for the formation of 100 microspores in floweringplants.

Question : How many micronutrientsare known ? Namethem

Question : How many methods are there for animal breeding?

Question : How many members are heterosporous from the given members in box ? Adiantum, Polytrichum, Marsilea, Equisetum, Lycopodium, Selaginella, Ginkgo, Azolla, Sphagnum

Question : How many meiotic divisions should take place to produce 100 pollen grains?

Question : How many meiotic divisions should take place to produce 100 pollen grains ?

Question : How many meiotic divisions are required for the formation of 100 seeds ?

Question : How many megaspore mother cells are produced in a Nucellus?(A) Two(B) Eight(C) Four(D) One

Question : How many megaspore mothe cell are produced in a nuclellus

Question : How many map units separate two alleles A and B if the recombination frequency is 0.09?

Question : How many male gametes are released by pollen tube near the egg cell in angiosperms ? (A) One(B) Two(C) Three(D) Four

Question : How many liver lobes are present in man?

Question : How many linkage groups are present in female and male grasshopper repectively?

Question : How many kinds of gametes can be produced by an individual of genotype (A)/(a)(B)/(b)(C)/(c )(D)/(d)(e )/(e ) (F)/(f)

Question : How many invertebrates in rain forest of Amazonian ?

Question : How many hot spots of biodiversity in the world have been identified till date by Norman Myers ?

Question :How many ' hot spots ' now exist in the world ?

Question : How many hot spots exist in India ?

Question : How many high-energy phosphate bond equivalents are utilized in the process of activation of amino acids for protein synthesis?

Question : How many high-energy phosphate bonds are utilized in the process of activation of one amino acid for protein synthesis?

Question : How many 'H_2 O' molecule are involved in oxidation decarboxylation and Kreb's ctcle?