24277 + Interview Questions in Biology in Class 12 Page 389 InterviewSolution

19401.	Question : The primary CO_(2)acceptor molecule during theC_(3)cycle is a
Answer» 5-carbon KETOSE sugar Hexose sugar RuBP Both (1) & (3) ANSWER :D

Discussion

19402.	Question : CO_2 and O_2 balance in atmosphere at due to
Answer» Photosynthesis Respiration Leaf anatomy Photophosphorylation or `C_2` cycle Answer :A

Discussion

19403.	Question : Co-extinction means :
Answer» INTRODUCTION of alien species leading to decline/EXTINCTION of indigenous species. Extinction due to over EXPLOITATION Extinction due to habitat loss Extinction due to OBLIGATORY association of plant/animal Solution :Extinction due to obligatory association of plant/animal

Discussion

19404.	Question : Co-dominant blood group is
Answer» A AB B O Answer :B

Discussion

19405.	Question : Co andSO_2 are pollutantsbutthey aredifferent from ,DDT BHC etc Do you agree give justificationof your answer .
Answer» SOLUTION :YES The formerpollutantsare GASEOUS , biodegrad-ableand inorganicbut LATER areorganicand nonbiodegrad-able

Discussion

19406.	Question : Cnidoblasts present on the tentacles, contain
Answer» NEMATOCYTES SPINES STINGES NONE of these Answer :A

Discussion

19407.	Question : CO-421 and CO-419 are improved varieties of ………. Developed at Coimbatore.
Answer» WHEAT rice sugar cane jowar Answer :C

Discussion

19408.	Question : Cnidoblasts are not used for :-
Answer» Anchorage Locomotion and defence Capture of prey Reproduction Answer :D

Discussion

19409.	Question :CNG is used to control
Answer» WATER pollution air pollution radioactive pollution thermal pollution Answer :B

Discussion

19410.	Question : CNGis better thandiesel substantiatethis statementwritingany four advantage of CNG ExpandCNG
Answer» SOLUTION : 1)CNG burnsmostefficiently 2)cheaperthan petrolor diesel 3) cannot be siphonedof by THIEVES 4) cannot beadulteratedlike petrolor diesel b)compressedNatural Gas

Discussion

19411.	Question : CNG is better than other conventionally used fossil fuels. Comment .
Answer» SOLUTION :a. CNG burns most EFFICIENTLY and very LITTLE of it is left unbrunt. B. CNG is cheaperthan pctrol or diesel. c. It cannotbe siphonedoff bythieves. d. It cannot beadulterated likepetrol or diesel .

Discussion

19412.	Question : CNG is better than diesel because (a) it is cheaper (b) burns most efficiently (c) can beshiphoned off
Answer» All EXCEPT (a) All except (B) All except (C) only (b) ANSWER :C

Discussion

19413.	Question : Clsssify viral disease based on the organ of infection
Answer» SOLUTION :Pneumotropic DISEASES

Discussion

19414.	Question : Clown fish lives among the tentacles of sea anemone, this association is
Answer» Commensalism Ectoparasitism Symbiosis Amensalism Answer :A

Discussion

19415.	Question : Clover leaf structure is shown by _____.
Answer» TRNA rRNA DNA mRNA Answer :tRNA

Discussion

19416.	Question : Clove used as spice represents
Answer» Seed Leaves FLOWER BUDS STEM tip Answer :C

Discussion

19417.	Question : Clover leaf model of t-RNA
Answer» SOLUTION :

Discussion

19418.	Question : Clostridium butylicum produces
Answer» BUTYRIC acid acetic acid aspartic acid lactic acid Answer :A

Discussion

19419.	Question : "Clot buster" is used for removing clots from blood vessels of patients who have undergone myocardial infraction leading to heart attack it is obtained from
Answer» Bacteria viroids Slime mould Yeast Answer :A

Discussion

19420.	Question : Closure of stomata in response to water stress is controlled by which of the following hormones ?
Answer» Cytokinin Auxin ABA Vernalin Answer :C

Discussion

19421.	Question : Closely related species of warblers avoid competition due to behavioural differences in their foraging activities. This is an example of
Answer» COMPETITIVE release Competitive EXCLUSION COEXISTENCE Commensalism Answer :C

Discussion

19422.	Question : Closed circulatory system was discovered by …………. .
Answer» Darwin Mendel Harvey Watson Answer :C

Discussion

19423.	Question : Close resemblance in appearance of Monarch butterfly and Queen butterfly is an example of :
Answer» Batesian mimicary Mullerian mimicary Comouflage Protective COLOURATION ANSWER :2

Discussion

19424.	Question : Cloning is means to
Answer» REPLACE original type Preserve genotype PRODUCTION of HGH GENE in ESCHERICHIA coli None of these Solution :Preserve genotype

Discussion

19425.	Question : Clonig is absent in
Answer» higher PLANTS higher animals lower plants BACTERIA ANSWER :B

Discussion

19426.	Question : Clones with radioactivity can be detected by _____a) Gel electrophoresisb) Autoradiographyc) Chromatographyd) ELISA
Answer» GEL electrophoresis Auoradiography Chromatography ELISA Answer :B

Discussion

19427.	Question : Clones are:
Answer» Only MORPHOLOGICALLY alike Only GENETICALLY alike Morphologically as WELL as genetically alike Ocassionally genetically alike Solution :N//A

Discussion

19428.	Question : Clone is two or more individuals which are similar:
Answer» genetically morphologically sexually Both(a)and (B) ANSWER :D

Discussion

19429.	Question : Clone is a group of individual got through:
Answer» SELF POLLINATION CROSS pollination Vegetative PROPAGATION Hybridization Answer :C

Discussion

19430.	Question : Clonal selection is applied in cross pollinated crops.
Answer» True False Answer :MASS SELECTION

Discussion

19431.	Question : Clitellum of earthworm is concerned with
Answer» Copulation Cocoon formation Burrowing Spermatogenesis Answer :B

Discussion

19432.	Question : Clitoris is an outgrowth of which is :
Answer» Non-functional PENIS Analogous to penis Homologous to penis Functional penis in females Answer :C

Discussion

19433.	Question : Climax will be faster in which of the following succession ?
Answer» SUCCESSION on BARE rock Succession on BURNT FOREST Succession on newly cooled lava All of the above Solution :Succession on burnt forest

Discussion

19434.	Question : Climax stage is achieved quickly in secondary succession as compared to primary succession. Why?
Answer» Solution :The rate of succession is MUCH FASTER in secondary succession as the substratum (soil) is already present as compared to primary succession where the PROCESS starts from a BARE area (ROCK).

Discussion

19435.	Question : Climax community is in a state of:
Answer» Non-EQUILIBRIUM Equilibrium DISORDER CONSTANT change. Answer :B

Discussion

19436.	Question : Climax community is a state of
Answer» Non-EQUILIBRIUM Equilibrium Disorder Constant CHANGE SOLUTION :Equilibrium

Discussion

19437.	Question : Climax community is in a state of :
Answer» non-equilibrium equilibrium disorder CONSTANT change Solution :The group LOCATED at climax is stable in environmental or biotic succession. It REMAINS permanent and it is a final biotic group. It is developed at the END of succession and it is completely in equilibrium with physical environment. The group at climax possesses maximum variation and pecularity in life STYLE. Thus other all options do not relate to group reached at climax and they are wrong.

Discussion

19438.	Question : Cleistogamous flowers are invariably autogamous . Explain.
Answer» Solution :CLEISTOGAMOUS FLOWERS do not OPEN at all . The POLLEN grains from the anther of the same flower POLLINATE the stigma . There is no chance of cross pollination . Thus cleistogamous flowers are invariably autogamous .

Discussion

19439.	Question : Cleistogamy occurs in which plant?(A) Commelina(B) Yucca(C) Malva(D) Hydrallia
Answer» Commelina Yucca Malva Hydrallia Answer :A

Discussion

19440.	Question : Cleistogamous : Flowers do not open at all _____ : Flowers with exposed anthers and stigma
Answer» SOLUTION :Chasmogamous

Discussion

19441.	Question : Cleistogamous condition is present in :
Answer» Brassica Solanum tuberosum Commelina Allium cepa Answer :C

Discussion

19442.	Question : Cleistogamous flower and chasmogamous flower. In which type does the autogamy is certain ? Why ?
Answer» SOLUTION :Autogamy is certain in cleistogamous flowers SINCE they NEVER open and EXPOSE the reproductive organs.

Discussion

19443.	Question : Cleavage style of restriction enzymes includes
Answer» BLUNT end STYLE sticky end style no style Both (1) and (2) Answer :D

Discussion

19444.	Question : Cleavage polyembryony is noticed in ...........
Answer» Orchids Casuarina Balanophora Syzgium ANSWER :A

Discussion

19445.	Question : Cleavage of a molecule into smaller molecules in presence of water.
Answer» ANSWER :HYDROLYSIS

Discussion

19446.	Question : Cleavage is not a typical mitosis. How?
Answer» Solution :Unlike MITOSIS, during cleavage, the inter phase is short and it does not involve growth of daughter CELLS, so that the cells become SMALLER after each DIVISION.

Discussion

19447.	Question : Clean Development Mechanism (CDM) is defined in....
Answer» COPENHAGEN Acord Montreal PROTOCOL Paris Agreement KYOTO Protocol SOLUTION :Kyoto Protocol

Discussion

19448.	Question : Cldosporium is a / an:
Answer» Fungus Alga Cyanobacterium PPLO Answer :A

Discussion

19449.	Question : Classify vectors and explain them.
Answer» Solution :Vectors are of two types : i) CLONING VECTOR , and ii) Expression Vector. Cloning vector is used for the cloning of DNA insert INSIDE the suitable host cell. Expression vector is used to express the DNA insert for producing SPECIFIC protein inside the host.

Discussion

19450.	Question : Classify the seeds based on physiological behaviour.
Answer» SOLUTION :

Discussion

Explore topic-wise InterviewSolutions in .

Question : The primary CO_(2)acceptor molecule during theC_(3)cycle is a

Question : CO_2 and O_2 balance in atmosphere at due to

Question : Co-extinction means :

Question : Co-dominant blood group is

Question : Co andSO_2 are pollutantsbutthey aredifferent from ,DDT BHC etc Do you agree give justificationof your answer .

Question : Cnidoblasts present on the tentacles, contain

Question : CO-421 and CO-419 are improved varieties of ………. Developed at Coimbatore.

Question : Cnidoblasts are not used for :-

Question :CNG is used to control

Question : CNGis better thandiesel substantiatethis statementwritingany four advantage of CNG ExpandCNG

Question : CNG is better than other conventionally used fossil fuels. Comment .

Question : CNG is better than diesel because (a) it is cheaper (b) burns most efficiently (c) can beshiphoned off

Question : Clsssify viral disease based on the organ of infection

Question : Clown fish lives among the tentacles of sea anemone, this association is

Question : Clover leaf structure is shown by _____.

Question : Clove used as spice represents

Question : Clover leaf model of t-RNA

Question : Clostridium butylicum produces

Question : "Clot buster" is used for removing clots from blood vessels of patients who have undergone myocardial infraction leading to heart attack it is obtained from

Question : Closure of stomata in response to water stress is controlled by which of the following hormones ?

Question : Closely related species of warblers avoid competition due to behavioural differences in their foraging activities. This is an example of

Question : Closed circulatory system was discovered by …………. .

Question : Close resemblance in appearance of Monarch butterfly and Queen butterfly is an example of :

Question : Cloning is means to

Question : Clonig is absent in

Question : Clones with radioactivity can be detected by _____a) Gel electrophoresisb) Autoradiographyc) Chromatographyd) ELISA

Question : Clones are:

Question : Clone is two or more individuals which are similar:

Question : Clone is a group of individual got through:

Question : Clonal selection is applied in cross pollinated crops.

Question : Clitellum of earthworm is concerned with

Question : Clitoris is an outgrowth of which is :

Question : Climax will be faster in which of the following succession ?

Question : Climax stage is achieved quickly in secondary succession as compared to primary succession. Why?

Question : Climax community is in a state of:

Question : Climax community is a state of

Question : Climax community is in a state of :

Question : Cleistogamous flowers are invariably autogamous . Explain.

Question : Cleistogamy occurs in which plant?(A) Commelina(B) Yucca(C) Malva(D) Hydrallia

Question : Cleistogamous : Flowers do not open at all _____ : Flowers with exposed anthers and stigma

Question : Cleistogamous condition is present in :

Question : Cleistogamous flower and chasmogamous flower. In which type does the autogamy is certain ? Why ?

Question : Cleavage style of restriction enzymes includes

Question : Cleavage polyembryony is noticed in ...........

Question : Cleavage of a molecule into smaller molecules in presence of water.

Question : Cleavage is not a typical mitosis. How?

Question : Clean Development Mechanism (CDM) is defined in....

Question : Cldosporium is a / an:

Question : Classify vectors and explain them.

Question : Classify the seeds based on physiological behaviour.