24277 + Interview Questions in Biology in Class 12 Page 116 InterviewSolution

5751.	Question : The longest muscle in the human body is
Answer» GLUTEUS maximus stapedial MUSCLE sartorius muscle gastrocnemius muscle ANSWER :C

Discussion

5752.	Question : the infloresecence of coriander is
Answer» umbel corymb typical receme umbel of umbels. Answer :d

Discussion

5753.	Question : The inflorescence ifn ociumum is
Answer» CYATHIUM VERTICILLASTER HYPANTHODIUM RACEME Answer :B

Discussion

5754.	Question : The longest and strongest bone of skull is
Answer» Hyoid Maxilla ZYGOMATIC MANDIBLE ANSWER :D

Discussion

5755.	Question : The long silky hair coming out of cob of Maize aea
Answer» MEANT for fruit dispersal Meant for attracting insects Meant for PROTECTING seeds Long STYLES and stigmas. Answer :B

Discussion

5756.	Question : The infective state of malaria parasite plasmodium that enters human body is
Answer» MEROZOITE SPOROZOITE Trophozoite MINUTA form Solution :Sporozoite

Discussion

5757.	Question : The long-day plants require
Answer» EQUAL amounts of `P_(r)` and `P_("fr")` high RATIO of `P_(r)` to `P_("fr")` high ratio of `P_("fr")` to `P_(r)` Only `P_("fr")` ANSWER :C

Discussion

5758.	Question : The infective stage of Entamoeba histolytica is :
Answer» MINUTE form Binucleate form Tetranucleate form sporozoite Answer :C

Discussion

5759.	Question : The infective stage of Ascaris is _____
Answer» ADULT worm Second Juvenile Fourth Juveline Egg Answer :Rhabditi FORM LARVA

Discussion

5760.	Question : The logistic popUlation growth is expressed by the equation
Answer» `dt//dN = Nr((K-N)/(K))` `dN//dt = rN((K-N)/(K))` `dN//dt = rN` `dN/dt = rN((N-K)/(N))` ANSWER :B

Discussion

5761.	Question : The infectious phase of plasmodium means
Answer» SPOROZOITE TROPHOZOITE Merozoite None SOLUTION :Sporozoite

Discussion

5762.	Question : The logistic population growth is expressed by the equation :
Answer» `dN//dt=rN((N-K)/(N))` `dt//dN=Nr((K-N)/(K))` `dN//dt=rN((K-N)/(K))` `dN//dt=rN` ANSWER :C

Discussion

5763.	Question : The industry mainly responsible for the catching reatring and selling of fish and its products come under
Answer» pisciculture Aquaculture SILVICULTURE APICULTURE ANSWER :A

Discussion

5764.	Question : The loci of genes A and B are on different chromosomes. A dihybrid autotetraploid plant of genotype AA aa BB bb is self-pollinated. Assume that only diploid gamets are formedand that the loci A and B are very close to their respective centromere (chromosome segregation) Find the phenotypic expectations of the progency.
Answer» 1225 AB:35Ab:35aB: lab 1130 AB : 24Ab: 24aB :lab 936 Ab: 14Ab: 14aB: lab 890 AB: 13Ab:13aB: lab ANSWER :A

Discussion

5765.	Question : The Indian Government refuted the attempt by a multinational company (MNC) to patent the antiseptic property of curcumin derived from Turmeric. Analyze the unethical practice adopted by the MNC, state its implications and suggest provisions in the Indian Law to prevent such malpractices.
Answer» Solution :The unethical practice of patenting the bio-resources of developing countries such as Neem, Curcuma Longa (curcumin), Karela, Jamun ETC is CALLED Biopiracy. Biopiracy : - It leads to injustice, inadequate COMPENSATION and unauthorized exploitation of TRADITIONAL knowledge of the COMMUNITIES and countries. - The Indian Parliament has added the second amendment to the Indian Patents Bill which includes patent term emergency provisions and research & development initiative.

Discussion

5766.	Question : The lobes of left lung in human is divided into I. left superiorIII. Anterior azygous II. Left inferiorIV. Posterior azygous
Answer» I and III I and II II and III III and IV Answer :B

Discussion

5767.	Question : The individual that shows mimicry is called:
Answer» mimic predator prey parasite Answer :A

Discussion

5768.	Question : The ………. Lobe of the cerebral hemisphere is the centre of speech, memory and thinking.
Answer» frontal parietal temporal occipital Answer :A

Discussion

5769.	Question : "The Indian Government took up many serious measures to check the continuous population growth" . Summarise the statement in two points.
Answer» Solution :(a) Increasing public AWARENESS about the ill - effects of UNCONTROLLED population GROWTH . (b) PROMOTING

Discussion

5770.	Question : The Indian parliament has recently cleared the ____ amendment of the Indian patents Bill that takes such issues into consideration, including patent terms emergency provisions and research and development initiative :-
Answer» First Third Second Fifth Answer :C

Discussion

5771.	Question : The living steady state has a self-regulatory mechanism which is:
Answer» FEEDBACK mechanism Homeotherms Homozygous Homeostasis

Discussion

5772.	Question : The independent evolution of flowering plants and pollinating insects together is known as
Answer» MUTUALISM Co-evolution Commensalism COOPERATION ANSWER :B

Discussion

5773.	Question : The increased growth per unit time is termed as
Answer» ANSWER :GROWTH RATE

Discussion

5774.	Question : The living organisms can be unexceptionally distinguished from the non - living things on the basis of their ability for :
Answer» INTERACTION with ENVIRONMENT and PROGRESSIVE evolution Reproduction Growth and movement Resoonsive to touch Answer :D

Discussion

5775.	Question : The living and non-lignified component of vascular bundle is/are :-
Answer» VESSEL and tracheid vessel and phloem wood FIBRE and phloem xylem parenehyma and SIEVE tube Answer :D

Discussion

5776.	Question : The increase in number of WBCs beyond the normal is called_____.
Answer» . ANSWER :LEUCOCYTOSIS

Discussion

5777.	Question :The list given below includes various stages of HIV infection. Arrange them according to correct sequence Viral replication - Macrophage - Helper T cell - Formation of DNA - Progeny virus - Viral particle - Release of progeny virus.
Answer» Solution :Viral PARTICLE `to` Macrophage `to` FORMATION of DNA `to` Viral REPLICATION `to` Helper T-cells `to` PROGENY virus `to`RELEASE of progeny virus

Discussion

5778.	Question : The incorrect statement with regard to haemophilia is
Answer» It is a SEX linked disease It is a recessive disease It is a DOMINANT disease A signle PROTEIN involved in the clotting of BLOOD is affected Answer :A

Discussion

5779.	Question : The linking of antibiotic resistance gene with the plasmid vector became possible due to
Answer» DNA polymerase Exonucleases DNA ligase ENDONUCLEASES SOLUTION :DNA ligase

Discussion

5780.	Question : The incorrect statement is
Answer» Endemism is a result of geographical isolation Huxley stated "BIRDS are the GLORIFIED reptiles" Geneticpolymorphisms helps in PRESERVATION of genetic variability through homozygtic selection Balancing selection is not the only factor controlling LEVELS of genetic variations occurring in NATURAL populations . Answer :C

Discussion

5781.	Question : The linking of antibiotic resistance gene with the plasmid vector became possible with :
Answer» DNA ligase Exonucleases Endonucleases DNA polymerase Answer :A

Discussion

5782.	Question : The incorrect match pair is
Answer» Predacious FUNGI - Dactylella Damping off DISEASE - PYTHIUM Polyzyme - PUCCINIA Neurospora - Drosophila of plant kingdom Answer :C

Discussion

5783.	Question : The inborn errors of metabolism are gene controlled and are inherited in Mendelian fashion was pointed by…………
Answer» SOLUTION :SIR Archibold Garrod

Discussion

5784.	Question : The linked characters would always inherit together till they are
Answer» Delinked DUE to segregation masked by dominance Mutated Separated due to CROSSING over Answer :D

Discussion

5785.	Question : The impulse which generated in SA node suddenly fails to be transmitted in both ventricles than –
Answer» Only atria CONTRACT, VENTRICLES not contract Only ventricles contract Atria and ventricles contract at different rate The whole heart stop contraction Answer :C

Discussion

5786.	Question : The linkage map of X- chromosomes of fruitfly has 66 units with yellow body gene (y) at one end andbobbed hair (b) gene at the other end. The recombination frequency between these two genes (y and b) should be :
Answer» `100%` `66%` `gt50%` `le 50%` ANSWER :B

Discussion

5787.	Question : The improvement in varieties of animals and plants for human advantage is a process of:
Answer» NATURAL selection Artificial selection Sexual selection Stabilizing selection Answer :B

Discussion

5788.	Question : The link between bacteria and fungi is
Answer» CHLAMYDIA ACTINOMYCETES Rickettsias MYXOPHYCEAE ANSWER :B

Discussion

5789.	Question : The in organic compound like sulphate, phosphate etc are found in :-
Answer» ACID SOLUBLE pool Retentate Acid in soluble FRACTION (1) & (2) both Answer :A

Discussion

5790.	Question : The limiting step in photosynthesis is the rate of
Answer» `O_2` EVOLUTION LIGHT reaction dark reaction `CO_2` diffusion to photosynthetic site ANSWER :B

Discussion

5791.	Question : The important by product of apiculture.
Answer» Sugar Medicine WAX Fertilizer SOLUTION :Wax

Discussion

5792.	Question : The light interruption of the dark period in the long day plant,
Answer» PREVENTS flowering Does not PREVENT flowering Increase flowering initiates flowering Answer :B

Discussion

5793.	Question : The important distillation products are
Answer» whisky brandy rum all the above Answer :D

Discussion

5794.	Question : The light_ dependent and O_2 independent production of ATP is called:
Answer» Photorespiration Oxidative phosphorylation Photophosphorylation Photo-oxidation Answer :C

Discussion

5795.	Question : The important events of segregation takes place during
Answer» PROPHASE I anaphase I prophase II anaphase II Answer :B

Discussion

5796.	Question : The life span of man is ___ years.
Answer» 60 70 85 100 Answer :D

Discussion

5797.	Question : The importance of glycolysis is that
Answer» It DEGRADES glucose to GENERATE ATP It PROVIDES buildingmaterial for the synthesis of cellular components both CORRECT It OCCURS in mitochondira Answer :C

Discussion

5798.	Question : The importance of ecosystem lies in
Answer» CYCLING of materials Flow of energy Both A and B Its biomass Answer :C

Discussion

5799.	Question : The life cycle pattern of spermatophytes is :
Answer» Haplodiplontic Dipolahaplontic Diplontic HAPLONTIC ANSWER :C

Discussion

5800.	Question : The Leydig's cells secrete
Answer» OESTROGEN Testosterone Progesterone CORTICOSTERONE ANSWER :B

Discussion

Explore topic-wise InterviewSolutions in .

Question : The longest muscle in the human body is

Question : the infloresecence of coriander is

Question : The inflorescence ifn ociumum is

Question : The longest and strongest bone of skull is

Question : The long silky hair coming out of cob of Maize aea

Question : The infective state of malaria parasite plasmodium that enters human body is

Question : The long-day plants require

Question : The infective stage of Entamoeba histolytica is :

Question : The infective stage of Ascaris is _____

Question : The logistic popUlation growth is expressed by the equation

Question : The infectious phase of plasmodium means

Question : The logistic population growth is expressed by the equation :

Question : The industry mainly responsible for the catching reatring and selling of fish and its products come under

Question : The Indian Government refuted the attempt by a multinational company (MNC) to patent the antiseptic property of curcumin derived from Turmeric. Analyze the unethical practice adopted by the MNC, state its implications and suggest provisions in the Indian Law to prevent such malpractices.

Question : The lobes of left lung in human is divided into I. left superiorIII. Anterior azygous II. Left inferiorIV. Posterior azygous

Question : The individual that shows mimicry is called:

Question : The ………. Lobe of the cerebral hemisphere is the centre of speech, memory and thinking.

Question : "The Indian Government took up many serious measures to check the continuous population growth" . Summarise the statement in two points.

Question : The Indian parliament has recently cleared the ____ amendment of the Indian patents Bill that takes such issues into consideration, including patent terms emergency provisions and research and development initiative :-

Question : The living steady state has a self-regulatory mechanism which is:

Question : The independent evolution of flowering plants and pollinating insects together is known as

Question : The increased growth per unit time is termed as

Question : The living organisms can be unexceptionally distinguished from the non - living things on the basis of their ability for :

Question : The living and non-lignified component of vascular bundle is/are :-

Question : The increase in number of WBCs beyond the normal is called_____.

Question :The list given below includes various stages of HIV infection. Arrange them according to correct sequence Viral replication - Macrophage - Helper T cell - Formation of DNA - Progeny virus - Viral particle - Release of progeny virus.

Question : The incorrect statement with regard to haemophilia is

Question : The linking of antibiotic resistance gene with the plasmid vector became possible due to

Question : The incorrect statement is

Question : The linking of antibiotic resistance gene with the plasmid vector became possible with :

Question : The incorrect match pair is

Question : The inborn errors of metabolism are gene controlled and are inherited in Mendelian fashion was pointed by…………

Question : The linked characters would always inherit together till they are

Question : The impulse which generated in SA node suddenly fails to be transmitted in both ventricles than –

Question : The linkage map of X- chromosomes of fruitfly has 66 units with yellow body gene (y) at one end andbobbed hair (b) gene at the other end. The recombination frequency between these two genes (y and b) should be :

Question : The improvement in varieties of animals and plants for human advantage is a process of:

Question : The link between bacteria and fungi is

Question : The in organic compound like sulphate, phosphate etc are found in :-

Question : The limiting step in photosynthesis is the rate of

Question : The important by product of apiculture.

Question : The light interruption of the dark period in the long day plant,

Question : The important distillation products are

Question : The light_ dependent and O_2 independent production of ATP is called:

Question : The important events of segregation takes place during

Question : The life span of man is ___ years.

Question : The importance of glycolysis is that

Question : The importance of ecosystem lies in

Question : The life cycle pattern of spermatophytes is :

Question : The Leydig's cells secrete