24277 + Interview Questions in Biology in Class 12 Page 111 InterviewSolution

5501.	Question : The most common species of honey bee reared in India, is
Answer» APIS florea Apis dorsata Apis indica Apis mellifera Answer :C

Discussion

5502.	Question : The most common method of asexual reproduction in algae involves formation of
Answer» CONIDIA Aplanospores Zoospores Akinete Answer :C

Discussion

5503.	Question : The most common biofertilizer for rice crop is
Answer» An AQUATIC FERN, AZOLLA Trifolium Sp. Sesbania rosteata Bacillus POLYMER SOLUTION :An aquatic fern, Azolla

Discussion

5504.	Question : The most appropriate measure of population density is generally
Answer» number biomass PERCENT COVER all of the above ANSWER :A

Discussion

5505.	Question : The most apparent change during the evolutionary history of Homo-sapients is traced in
Answer» loss of body hair walking upright shortening of the jaws remarkable increase in the brain size. Solution :The brain capacity GRADUALLY increased from early human ANCESTORS. HOMO habilis has 650-800 c.c. brain capacity which increased around 900 c.c. in Homo erectus. The NEANDERTHAL man had 1400 c.c. brain capacity EVOLVED to around 1450 c.c. in Homo sapiens sapiers.

Discussion

5506.	Question : The most apparent change during the evolutionary history of Homo sapiens is traced in
Answer» SHORTENING of jaws Remarkable INCREASE in BRAIN size Loss of BODY hair Walking upright. Solution :N//A

Discussion

5507.	Question : The most accepted theory for ascent of sap is
Answer» Transpiration pull and cohesion tension THEORY of DIXON and Jolly Pulsating ACTION of living cell Imbibition theory de Vries cytoplasmic STREAMING theory Answer :A

Discussion

5508.	Question : The most accepted line of descent in human evolution is
Answer» Australopithecus `to` Ramapithecus `to` HOMO SAPIENS Homo HABILIS Homo erectus`to` Homo habilis `to` Homo sapiens Ramapithecus `to` Homo habilis `to` Homo erectus Homo sapiens Australopithecus `to`Ramapithecus `to` Homo erectu `to`Homo habilis `to`Homo sapiens. Answer :C

Discussion

5509.	Question : The most acceptable theory of ascent of sap is______.
Answer» ANSWER :Cohesion-tension THEORY

Discussion

5510.	Question : Themost abundant nucleides found in river insects are
Answer» P-32 S Zm-65 Both (a) and (C) ANSWER :D

Discussion

5511.	Question : The most abundant enzyme on earth
Answer» Has much GREATER affinity for `CO_2` than `O_2` Has ACTIVE SITE for O_2 only Has CARBOXYLASE activity only Both (1) & (3) ANSWER :A

Discussion

5512.	Question : The morphogenetic movements change the hollow spherical blastula into a
Answer» EMBRYONIC disc gastrula morula neurula Answer :B

Discussion

5513.	Question : The monohybrid genotypic ratio 1:2:1 in F_(2) generation indicates
Answer» Segeration Independent assortment Dominance Incomplete dominance Answer :A

Discussion

5514.	Question : The morphological structural unit that possesses a photosynthetic unit.
Answer» ANSWER :QUANTASOME

Discussion

5515.	Question : The molecule, which stimulates immune response is
Answer» Antibody ANTIGEN Mutant Carcinogen SOLUTION :Antigen

Discussion

5516.	Question : The molecules found in the cell are called.
Answer» ANSWER :BIOMOLECULES

Discussion

5517.	Question : The molecule of DNA is transferred towards which electric charge ?
Answer» NEUTRAL POSITIVE and NEGATIVE Negative Positive SOLUTION :Positive

Discussion

5518.	Question : Which of the following biomolecules is common to respiration-mediated breakdown of fats, carbohydrates and proteins
Answer» Cytochromoes Pyrimidines Amino acids Carotenoids Answer :A

Discussion

5519.	Question : The molecular structure of insulin was first described by:
Answer» Korenberg Swaminathan Richardson Sanger Answer :D

Discussion

5520.	Question : The molecular structure of insulin was first describe by(A) Korenberg(C) Sanger(C) Swaminathan(D) Richardson
Answer» Korenberg SANGER SWAMINATHAN RICHARDSON SOLUTION :Sanger

Discussion

5521.	Question : The molecular formula for ozone is.............
Answer» `O_(2)` `O_(4)` `O_(3)` `O_(7)` SOLUTION :`O_(3)`

Discussion

5522.	Question : The modified equation for water potential is
Answer» <P>`Psi_(w)=Psi_(s)+Psi_(p)` `Psi_(w)=Psi_(s)-Psi_(p)` `Psi_(w)=Psi_(s)` `Psi_(w)=Psi_(p)-Psi_(s)` Solution :The modified equation for water potential is `Psi_(w)=Psi_(s)+Psi_(p)` where, `Psi_(w)`= water Potential `Psi_(s)`=SOLUTE potential `Psi_(p)`=Pressure Potential

Discussion

5523.	Question : The modified adventitious roots, which originate from the lower nodes of the stem of maize & sugarcane are
Answer» STILT root Beaded root Fasciculated root Prop root Answer :A

Discussion

5524.	Question : The modified form of adenine is
Answer» 2,4 - Dichlorophenoxy ACETIC acid N6 - furfurylamino PURINE 2-chloro ethyl phosphonicacid Dichloro PHENYL METHYL urea ANSWER :B

Discussion

5525.	Question : The modification of original genetic make-up is focussed by …………………….
Answer» PCR DNA fingerprinting Electrophoresis Gene therapy Answer :D

Discussion

5526.	Question : The modem man differs from the apes in
Answer» Protruding eyes Spare BODY hair WEARING of CLOTHES Arms SHORTER than legs Solution :Arms shorter than legs

Discussion

5527.	Question : The modern concept of origin of life is :
Answer» SPECIAL creation Spontaneous generation Biogenesis Chemical evolution Answer :D

Discussion

5528.	Question :The modern concept of gene is :
Answer» A segment of chromosome A segment of DNA A functional UNIT of DNA A segment of DNA capable of CROSSING over Answer :C

Discussion

5529.	Question : The mode of reproduction in bacteria is by ............... .
Answer» (a) FORMATION of GAMETES (B) ENDOSPORE formation (C) Conjugation (d) Zoospore formation Solution :Conjugation

Discussion

5530.	Question : The mode of pollination in gymnosperme is :-
Answer» Anemophily Entomophily Hydrophily Any of the above ANSWER :A

Discussion

5531.	Question : The mode of arrangement of sepals or petals in floral bud is known as :-
Answer» Phyllotaxy Aestivation Placentation Ptyxis Answer :B

Discussion

5532.	Question : The mode of asexual reproduction in bacteria are:
Answer» FORMATION of GAMETES ENDOSPORE formation Conjugation Zoospore formation ANSWER :C

Discussion

5533.	Question : The mode of asexual reproduction in bacteria(A) Formation of gametes(B) Endospore formation(C) Conjugation(D) Zoospore formation
Answer» Formation of gametes ENDOSPORE formation CONJUGATION ZOOSPORE formation Answer :B

Discussion

5534.	Question : The mobile genetic element is
Answer» TRANSPOSON MUTATION ENDONUCLEASE VARIATION ANSWER :A

Discussion

5535.	Question : The mobile carriers during non-cyclic electron transport are
Answer» <P>Plastosemiquinone and `P_(700)` Plastosemiquinone and Phycocyanin Plastosemiquinone and PLASTOCYANIN `P_(680) and P_(700)` Answer :C

Discussion

5536.	Question : The missing link between reptiles and birds was:
Answer» Dimetrodon Dodo ARCHAEOPTERYX SPHENODON SOLUTION :Archaeopteryx

Discussion

5537.	Question : The minute cells which separate from the developing ova during their maturation are called
Answer» PRIMARY Oogonia SECONDARY Oogonia POLAR BODIES Primary spermatogonia Answer :C

Discussion

5538.	Question : The ministry of forest and environment has initiated which action plan to save rivers from pollution ?(A) Ganga action plan(B) Yamuna action plan(C) Both (A) and (B)(D) None of the above
Answer» Ganga ACTION PLAN Yamuna action plan Both (A) and (B) None of the above Solution : Both (A) and (B)

Discussion

5539.	Question : The ministry of environment and forests has initiated 'Ganga Action Plan' in
Answer» 1980 1985 1945 2001 Answer :B

Discussion

5540.	Question :The minimum weight of tomatoes obtained from a plant is 20g. The maximum weights of tomatoes obtained is120g. What will be the weight of tomatoes obtained by crossing plants with genotype AAbb xxaabb -
Answer» 45 G 70 g 100 g 25 g Answer :A

Discussion

5541.	Question : The minimum progeny population size allowing for random union of all kinds of gametes from Aa Bb Cc parents is
Answer» 9 27 64 100 Answer :C

Discussion

5542.	Question : The minimum number of meiotic divisions required to produce 120 viable seeds in pea plant is …….. .
Answer» 150 60 120 90 Answer :A

Discussion

5543.	Question : The minimum number of barriers present between foetal and maternal blood is present in which type of placenta ?
Answer» Syndesmochorial Haemchorial Haemoendothelial Endothe liochorial ANSWER :C

Discussion

5544.	Question : The minimum length of cistron in base pair, which synthesis a polypeptide of 50 amino acide is
Answer» 50bp 100bp 150bp 200bp Answer :C

Discussion

5545.	Question : The minimum number of components required for an ecosystem to survive
Answer» PRODUCER and PRIMARY CONSUMER Producer and decomposer Primary consumer and decomposer primary and SECONDARY Consumer Answer :B

Discussion

5546.	Question : The minimum length of cistron in base pairs which synthesises a polypeptide of 50 amino acids is :
Answer» 50 bp 100 bp 150 bp 200 bp Answer :C

Discussion

5547.	Question : The mineral present in cell wall is:
Answer» Na Ca K Mg Answer :B

Discussion

5548.	Question : The minature form fo individuals discussed in preformation theory are
Answer» SPERMS Pangenes Homunculus Gemmules Answer :C

Discussion

5549.	Question : The 'minamata' diseaseis caused by.
Answer» CHROMIUN METHYL MERCURY CADMIUM ferricchloride Answer :B

Discussion

5550.	Question : The Minamata disease is caused by .
Answer» mercury nitrites CFC DDT Answer :A

Discussion

Explore topic-wise InterviewSolutions in .

Question : The most common species of honey bee reared in India, is

Question : The most common method of asexual reproduction in algae involves formation of

Question : The most common biofertilizer for rice crop is

Question : The most appropriate measure of population density is generally

Question : The most apparent change during the evolutionary history of Homo-sapients is traced in

Question : The most apparent change during the evolutionary history of Homo sapiens is traced in

Question : The most accepted theory for ascent of sap is

Question : The most accepted line of descent in human evolution is

Question : The most acceptable theory of ascent of sap is______.

Question : Themost abundant nucleides found in river insects are

Question : The most abundant enzyme on earth

Question : The morphogenetic movements change the hollow spherical blastula into a

Question : The monohybrid genotypic ratio 1:2:1 in F_(2) generation indicates

Question : The morphological structural unit that possesses a photosynthetic unit.

Question : The molecule, which stimulates immune response is

Question : The molecules found in the cell are called.

Question : The molecule of DNA is transferred towards which electric charge ?

Question : Which of the following biomolecules is common to respiration-mediated breakdown of fats, carbohydrates and proteins

Question : The molecular structure of insulin was first described by:

Question : The molecular structure of insulin was first describe by(A) Korenberg(C) Sanger(C) Swaminathan(D) Richardson

Question : The molecular formula for ozone is.............

Question : The modified equation for water potential is

Question : The modified adventitious roots, which originate from the lower nodes of the stem of maize & sugarcane are

Question : The modified form of adenine is

Question : The modification of original genetic make-up is focussed by …………………….

Question : The modem man differs from the apes in

Question : The modern concept of origin of life is :

Question :The modern concept of gene is :

Question : The mode of reproduction in bacteria is by ............... .

Question : The mode of pollination in gymnosperme is :-

Question : The mode of arrangement of sepals or petals in floral bud is known as :-

Question : The mode of asexual reproduction in bacteria are:

Question : The mode of asexual reproduction in bacteria(A) Formation of gametes(B) Endospore formation(C) Conjugation(D) Zoospore formation

Question : The mobile genetic element is

Question : The mobile carriers during non-cyclic electron transport are

Question : The missing link between reptiles and birds was:

Question : The minute cells which separate from the developing ova during their maturation are called

Question : The ministry of forest and environment has initiated which action plan to save rivers from pollution ?(A) Ganga action plan(B) Yamuna action plan(C) Both (A) and (B)(D) None of the above

Question : The ministry of environment and forests has initiated 'Ganga Action Plan' in

Question :The minimum weight of tomatoes obtained from a plant is 20g. The maximum weights of tomatoes obtained is120g. What will be the weight of tomatoes obtained by crossing plants with genotype AAbb xxaabb -

Question : The minimum progeny population size allowing for random union of all kinds of gametes from Aa Bb Cc parents is

Question : The minimum number of meiotic divisions required to produce 120 viable seeds in pea plant is …….. .

Question : The minimum number of barriers present between foetal and maternal blood is present in which type of placenta ?

Question : The minimum length of cistron in base pair, which synthesis a polypeptide of 50 amino acide is

Question : The minimum number of components required for an ecosystem to survive

Question : The minimum length of cistron in base pairs which synthesises a polypeptide of 50 amino acids is :

Question : The mineral present in cell wall is:

Question : The minature form fo individuals discussed in preformation theory are

Question : The 'minamata' diseaseis caused by.

Question : The Minamata disease is caused by .