24277 + Interview Questions in Biology in Class 12 Page 320 InterviewSolution

15951.	Question :How many pairs of contrasting characters in pea plants were studied by Mendel m his experiments ?
Answer» Five Six Eight Seven ANSWER :D

Discussion

15952.	Question : How many pairs of contrasting characters in pea plants were studied by Mendel in his experiments?
Answer» Seven Five Six Eight Answer :A

Discussion

15953.	Question : How many pairs of chromosomes are present in a human zygote and where do they come from?
Answer» SOLUTION :A human zygote has 23 pairs (= 46) of chromosomes. Zygote RECEIVES 23 chromosomes from FEMALE parent via OVUM and 23 chromosomes from male parent via sperm.

Discussion

15954.	Question : How many oxidation reaction occur in Glycolysis?
Answer» 4 2 8 6 Answer :B

Discussion

15955.	Question : How many oxygen atoms are required for Respiratory electron transport, for the oxidation of one molecule of 3 Phosphoglyceric acid
Answer» 14 5 10 4 Answer :B

Discussion

15956.	Question : How many ova may be produced by a virgin human female in reproductive age ?
Answer» 400 35 7 million 0 Answer :D

Discussion

15957.	Question : How many ova (eggs) are produced by one secondary oocyte?
Answer» 1 2 4 none of these Solution :INHIBIN is a PROTEIN produced by GRANULOSA cells of ovary in female and sertoli or NURSE cells of male in response to FSH. Its MAJOR action is the negative feedback control of FSH secretion from pituitary gland.

Discussion

15958.	Question : How many ova and sperms would be produced from 100 secondary oocytes and 100 secondary spermatocytes during gametogenesis in humans ?
Answer» 100 OVA, 100sperms 100 ova , 200 sperms 50 ova, 100 sperms 200 ova, 200 sperms Answer :B

Discussion

15959.	Question : How many ova and sperms will be produced from 100 secondary oocytes and 100 secondary spermatocytes during gametogenesis in a man ?
Answer» 50 OVA , 100 sperms 100, OVE 100 sperms 200 ova , 200 sperms 100 ova , 200 sperms Answer :D

Discussion

15960.	Question : How many organisms in the list given below are autotrophs? Lactobacillus, Nostoc, chara, Nitrosomonas, Nitrobacter, Streptomyces, Sacharomyces, Trypanosoma, Porpyra, Wolfia
Answer» Six Three Four Five Answer :A

Discussion

15961.	Question : How many organisms in the list given below are ascomycetes ? Aspergillus, Rhizopus, Yeast, Claviceps, Morels, Agaricus, Trichoderma, Puccinia
Answer» Six Three Four Five Answer :C

Discussion

15962.	Question : How many organism in the list given below are N_2-fixer autotrophs ? Azotobacter, Chromatium, Azospirillum, Rhodospirillum, Rhizobium, Nitrobacter, Aulosira, Nostoc, Oscillatoria.
Answer» THREE FOUR FIVE Six Answer :C

Discussion

15963.	Question : How many of these groups show zooidogamy ? Algae, Liverworts,Mosses,Ferns,Lycopods,Ginkgoales, Conifers,Monocotyledonae,Dicotyledonae
Answer» Six two Five Seven Answer :A

Discussion

15964.	Question : How many of these events occur during stomatal opening in guard cells ? Increased pH, active H^(+) upake, H^(+) and malate associate, K^(+) enter guard cells, Cl^(-) exit guard cells, cellulosic fibrils become shorter
Answer» TWO three four five Answer :B

Discussion

15965.	Question : How many of them are actinorhizal plants (Pisum sativum, Alnus, Casuarina, Cycas, Myrica, Oryas, Purshia, Coriaria, Mango, Soybean
Answer» 2 7 6 7 Answer :C

Discussion

15966.	Question : How many of thesefeature are correct forgymnosperms ? Heterosporous,Homosporous,Bisporangiate,Zooidogamy, Entomophily,Siphonogamy, Roots withMycorrhizae,Ramenta, Circinate,Vernation
Answer» SEVEN FIVE SIX Three Answer :C

Discussion

15967.	Question : How many of the given plants have papilionaceous corolla :- Sunhemp, Trifolium, Chilli, Petunia, Lupin, Aloe, Muliathi, Tulip.
Answer» 7 6 5 4 Answer :D

Discussion

15968.	Question : How many of the given plants belong to a family specialised for root nodules as a site of N, fixation? Gloriosa, Belladona, Sesbania, Tobacco, Asparagus, Moong, Indigofera, Aloe, Chilli, Tomato
Answer» Five Two Four Three Answer :4

Discussion

15969.	Question : How many of the given features are associated with incipient nucleus of Monera: Naked DNA,RNA,Non-histonic proteins,Histonic proteins,Linear ss-DNA, Circular ds-DNA.
Answer» 3 6 4 2 Answer :C

Discussion

15970.	Question : How many of the following substances are secreted by exocrine glands. mucus, thyroxine, saliva, earwax, insulin, oil, milk, digestive enzymes,melatonin and adrenalin :-
Answer» Four five six seven Answer :C

Discussion

15971.	Question : How many of the following substances are secreted by exocrine glands. mucus, thyroxine, saliva, earwax, insulin, oil, milk, digestive enzymes, melatonin and adrenalin :-
Answer» FOUR FIVE Six Seven Answer :C

Discussion

15972.	Question : How many of the given features are associated with algae?[Embryophytes, Planogametes, Tracheophytes, Unicellular sex organs, Zoospores]
Answer» Two Three Five Four Answer :D

Discussion

15973.	Question : How many of the given below groups are associated with fruiting body formation ? Saprophytic protists, Chrysophytes, Bracket fungi, Desmids, Sac fungi
Answer» TWO Three One Four Answer :B

Discussion

15974.	Question : How many of the given cells do not possess nuclues? Companion cells Albuminous cells, Mature seve tube, Xylary fibres. Scléreids. Phloem parenchyma
Answer» ONE THREE four two Answer :B

Discussion

15975.	Question : How many of the following show vivipary? Pteropus, Camelus, Delphinus, Macropus, Ornithorhynchus, Neophron, Aptenodytes, Rattus, Equus
Answer» 6 5 8 9 Answer :A

Discussion

15976.	Question : How many of the following statements is/are correct? (i) Multipolar neurons have a single axon and multiple dendrites (ii)Unipolar neurons have a cell body with one axon only . (iii) The myelinated nerve fibres are enveloped with Schwann cells. (iv) The postsynaptic neurons are filled with neurotransmitter containing vesicles.
Answer» ONE TWO Three None ANSWER :C

Discussion

15977.	Question : How many of the following respiratory reaction occur in the cytoplasm of a eukaryotic cell ? (1) PGAL rarr 1, 3 di PGA (2) Succinyl CoA rarr Succinic acid (3) Pyruvic acid rarr Acetyl CoA (4) PEP rarr Pyruvate (5) Fructose 1,6 diphosphate rarr DHAP + 3PGAL
Answer» (1) and (5) only (1), (4) and (5) only (1), (2),(3) and (5) only (1) and (5) only ANSWER :B

Discussion

15978.	Question : How many of the following shows epigeal seed germination?[Cucurbits, Rice, Mustard, Mango, Castor, Gram, Onion, Beans, Groundnut]
Answer» Seven Six Eight Five Answer :D

Discussion

15979.	Question : How many of the following properties are seen in the brinjal plant ? Legume fruits , alternate phyllotaxy, actinomorphic flower, bicarpellary- syncarpous gynoecium , non - endospermic seeds
Answer» FIVE FOUR three two ANSWER :B

Discussion

15980.	Question : How many of the following is/are correct statement? (A)In capping an unusual nucleotides is added to the 3' end of hn RNA (B)In tailing adenylated residues are added at 3' end in a template independent manner. (C)The untranslated regions (UTR) are required for efficient DNA replication process. (D)The DNA-dependent DNA polymerases catalyse polymerisation only in one direction that is 5'to3'.
Answer» FOUR THREE TWO One Answer :C

Discussion

15981.	Question : How many of the following mineral elements are obtained from soil or crust of the earth? Magnesium sulphur oxygen phosphours carbon b potassium
Answer» 4 5 6 3 Answer :A

Discussion

15982.	Question : How many of the following organic compounds found in organisms have no direct role in their normal growth and development but may have human welfare benefits ? 1. Alkaloids ,2. Flavonoids , 3 . Rubber , 4. Essential oils , 5. Antibiotics ,6 . Coloured pigments , 7. Scents 8. Spices
Answer» 1 to 8 All except 5 and 8 1,2,6 and 7 only All except 1 and 5 Answer :A

Discussion

15983.	Question : How many of the following is observed in the interphase nucleus ? Chromatid, Nucleosome, Centriole, Nucleouls, Centromere, Kinetochore
Answer» THREE ONE Four Two ANSWER :D

Discussion

15984.	Question : How many of the following microbial products are produced by bacteria? Citric acid, Butyric acid, Lactic acid, Gluconic acid, Acetic acid
Answer» Two Four Five Three Answer :D

Discussion

15985.	Question :how many of the following impurities is/are in the form of colloidal materialin domestic sewage?
Answer» one two three four Answer :B

Discussion

15986.	Question : How many of the following elements have a greater percentage weight in the human body than percentage weight in in the earth crust ? ( Sulphur, sodium, oxygen, Nitrogen, carbon, Hydrogen, Megnesium, silicon, and calcium )
Answer» 3 5 6 7 Answer :B

Discussion

15987.	Question : How many of the following diseases can be studied with the help of pedigree chart? Turner's syndrome, Phenylketonuria, Down's syndrome, Sickel-cell anaemia, Klinefleter's syndrome, Haemophilia, Cystic fibrosis, Myotonic dystrophy.
Answer» All Six Five Four Answer :C

Discussion

15988.	Question : How many of the following diseases are vector borne Malaria, Dengue, Common cold, Filariasis, Chikungunya, Ascariasis, Typhoid, Pneumonia
Answer» Seven Six Five Four Answer :D

Discussion

15989.	Question : How many of the following characteristics are present in humans
Answer» Seven Eight Nine Ten Answer :C

Discussion

15990.	Question : How many of the following are the examples Fiveof Molluscs? Cucumaria, Asterias, Pila, Pinctada, Antedon, Aplysia and Balanoglossus
Answer» Five Four Three Two Answer :C

Discussion

15991.	Question :How many of following represent in - situ ( I ) and ex situ ( E ) conservation strategies ? Sacred groves , Wildlife sanctuary , Biosphere reserve . Home gardens , Seed bank , Gene bank , National park , Sacred lakes , Botanical garden , Zoological park .
Answer» I=5, E=5 I=6, E=4 I=3, E=7 I=8, E=2 Answer :A

Discussion

15992.	Question : how many of categories are there to classify an organism
Answer» 4 5 7 8 Answer :C

Discussion

15993.	Question : How many of following event occurs in fallopian tube ? A) Fertilisation B) Cleavage C) Morulation D) Organogenesis
Answer» One Two Three Four Answer :C

Discussion

15994.	Question : How many numbers of wild relatives of cuitivated crops ?
Answer» 320 448 557 207 Solution :320

Discussion

15995.	Question : How many numbers of known living species on the world ?
Answer» 5 MILLION 3.2 Million 1.7 Million 1.32 Million SOLUTION :1.7 Million

Discussion

15996.	Question : How many number of bones are present in a hind limb of man ?
Answer» ANSWER :30

Discussion

15997.	Question : How many number of bones are present in a fore limb of man ?
Answer» ANSWER :30

Discussion

15998.	Question : How many types of forest vegetation are seen in India?
Answer» TWELVE Fifteen Seventeen NINETEEN ANSWER :C

Discussion

15999.	Question : How many nucleotide base does a human genome contain ?
Answer» `1 GT` billion `2 gt` billion `3 gt` billion `3 gt` million SOLUTION :`3 gt` billion

Discussion

16000.	Question : How many Nucleotide's were found in the gene of yeast ?
Answer» 71 73 75 77 Solution :77

Discussion

Explore topic-wise InterviewSolutions in .

Question :How many pairs of contrasting characters in pea plants were studied by Mendel m his experiments ?

Question : How many pairs of contrasting characters in pea plants were studied by Mendel in his experiments?

Question : How many pairs of chromosomes are present in a human zygote and where do they come from?

Question : How many oxidation reaction occur in Glycolysis?

Question : How many oxygen atoms are required for Respiratory electron transport, for the oxidation of one molecule of 3 Phosphoglyceric acid

Question : How many ova may be produced by a virgin human female in reproductive age ?

Question : How many ova (eggs) are produced by one secondary oocyte?

Question : How many ova and sperms would be produced from 100 secondary oocytes and 100 secondary spermatocytes during gametogenesis in humans ?

Question : How many ova and sperms will be produced from 100 secondary oocytes and 100 secondary spermatocytes during gametogenesis in a man ?

Question : How many organisms in the list given below are autotrophs? Lactobacillus, Nostoc, chara, Nitrosomonas, Nitrobacter, Streptomyces, Sacharomyces, Trypanosoma, Porpyra, Wolfia

Question : How many organisms in the list given below are ascomycetes ? Aspergillus, Rhizopus, Yeast, Claviceps, Morels, Agaricus, Trichoderma, Puccinia

Question : How many organism in the list given below are N_2​-fixer autotrophs ? Azotobacter, Chromatium, Azospirillum, Rhodospirillum, Rhizobium, Nitrobacter, Aulosira, Nostoc, Oscillatoria.

Question : How many of these groups show zooidogamy ? Algae, Liverworts,Mosses,Ferns,Lycopods,Ginkgoales, Conifers,Monocotyledonae,Dicotyledonae

Question : How many of these events occur during stomatal opening in guard cells ? Increased pH, active H^(+) upake, H^(+) and malate associate, K^(+) enter guard cells, Cl^(-) exit guard cells, cellulosic fibrils become shorter

Question : How many of them are actinorhizal plants (Pisum sativum, Alnus, Casuarina, Cycas, Myrica, Oryas, Purshia, Coriaria, Mango, Soybean

Question : How many of thesefeature are correct forgymnosperms ? Heterosporous,Homosporous,Bisporangiate,Zooidogamy, Entomophily,Siphonogamy, Roots withMycorrhizae,Ramenta, Circinate,Vernation

Question : How many of the given plants have papilionaceous corolla :- Sunhemp, Trifolium, Chilli, Petunia, Lupin, Aloe, Muliathi, Tulip.

Question : How many of the given plants belong to a family specialised for root nodules as a site of N, fixation? Gloriosa, Belladona, Sesbania, Tobacco, Asparagus, Moong, Indigofera, Aloe, Chilli, Tomato

Question : How many of the given features are associated with incipient nucleus of Monera: Naked DNA,RNA,Non-histonic proteins,Histonic proteins,Linear ss-DNA, Circular ds-DNA.

Question : How many of the following substances are secreted by exocrine glands. mucus, thyroxine, saliva, earwax, insulin, oil, milk, digestive enzymes,melatonin and adrenalin :-

Question : How many of the following substances are secreted by exocrine glands. mucus, thyroxine, saliva, earwax, insulin, oil, milk, digestive enzymes, melatonin and adrenalin :-

Question : How many of the given features are associated with algae?[Embryophytes, Planogametes, Tracheophytes, Unicellular sex organs, Zoospores]

Question : How many of the given below groups are associated with fruiting body formation ? Saprophytic protists, Chrysophytes, Bracket fungi, Desmids, Sac fungi

Question : How many of the given cells do not possess nuclues? Companion cells Albuminous cells, Mature seve tube, Xylary fibres. Scléreids. Phloem parenchyma

Question : How many of the following show vivipary? Pteropus, Camelus, Delphinus, Macropus, Ornithorhynchus, Neophron, Aptenodytes, Rattus, Equus

Question : How many of the following respiratory reaction occur in the cytoplasm of a eukaryotic cell ? (1) PGAL rarr 1, 3 di PGA (2) Succinyl CoA rarr Succinic acid (3) Pyruvic acid rarr Acetyl CoA (4) PEP rarr Pyruvate (5) Fructose 1,6 diphosphate rarr DHAP + 3PGAL

Question : How many of the following shows epigeal seed germination?[Cucurbits, Rice, Mustard, Mango, Castor, Gram, Onion, Beans, Groundnut]

Question : How many of the following properties are seen in the brinjal plant ? Legume fruits , alternate phyllotaxy, actinomorphic flower, bicarpellary- syncarpous gynoecium , non - endospermic seeds

Question : How many of the following mineral elements are obtained from soil or crust of the earth? Magnesium sulphur oxygen phosphours carbon b potassium

Question : How many of the following organic compounds found in organisms have no direct role in their normal growth and development but may have human welfare benefits ? 1. Alkaloids ,2. Flavonoids , 3 . Rubber , 4. Essential oils , 5. Antibiotics ,6 . Coloured pigments , 7. Scents 8. Spices

Question : How many of the following is observed in the interphase nucleus ? Chromatid, Nucleosome, Centriole, Nucleouls, Centromere, Kinetochore

Question : How many of the following microbial products are produced by bacteria? Citric acid, Butyric acid, Lactic acid, Gluconic acid, Acetic acid

Question :how many of the following impurities is/are in the form of colloidal materialin domestic sewage?

Question : How many of the following elements have a greater percentage weight in the human body than percentage weight in in the earth crust ? ( Sulphur, sodium, oxygen, Nitrogen, carbon, Hydrogen, Megnesium, silicon, and calcium )

Question : How many of the following diseases can be studied with the help of pedigree chart? Turner's syndrome, Phenylketonuria, Down's syndrome, Sickel-cell anaemia, Klinefleter's syndrome, Haemophilia, Cystic fibrosis, Myotonic dystrophy.

Question : How many of the following diseases are vector borne Malaria, Dengue, Common cold, Filariasis, Chikungunya, Ascariasis, Typhoid, Pneumonia

Question : How many of the following characteristics are present in humans

Question : How many of the following are the examples Fiveof Molluscs? Cucumaria, Asterias, Pila, Pinctada, Antedon, Aplysia and Balanoglossus

Question :How many of following represent in - situ ( I ) and ex situ ( E ) conservation strategies ? Sacred groves , Wildlife sanctuary , Biosphere reserve . Home gardens , Seed bank , Gene bank , National park , Sacred lakes , Botanical garden , Zoological park .

Question : how many of categories are there to classify an organism

Question : How many of following event occurs in fallopian tube ? A) Fertilisation B) Cleavage C) Morulation D) Organogenesis

Question : How many numbers of wild relatives of cuitivated crops ?

Question : How many numbers of known living species on the world ?

Question : How many number of bones are present in a hind limb of man ?

Question : How many number of bones are present in a fore limb of man ?

Question : How many types of forest vegetation are seen in India?

Question : How many nucleotide base does a human genome contain ?

Question : How many Nucleotide's were found in the gene of yeast ?

Question : How many organism in the list given below are N_2-fixer autotrophs ? Azotobacter, Chromatium, Azospirillum, Rhodospirillum, Rhizobium, Nitrobacter, Aulosira, Nostoc, Oscillatoria.