24277 + Interview Questions in Biology in Class 12 Page 213 InterviewSolution

10601.	Question : Percentage of O_2 transported from lungs to the tissues through RBC is
Answer» 3 67 97 75 Answer :C

Discussion

10602.	Question : Percentage of O_2& CO_2 transported in a dissolved state through plasma respectively
Answer» 3 and 7 7 and 3 20 and 7 7 and 20 Answer :A

Discussion

10603.	Question : Percentage of inflated pod, wrinkled seed and axial flower obtained in F_2 generation of Mendel's monohybrid cross are respectively
Answer» 75%, 75%, 25% 25%, 50%,75% 75%,50%,25% 75%,25%,75% ANSWER :D

Discussion

10604.	Question : percentage of heterozygous individuals obtained from selfing of Rr individuals is
Answer» 1 0.75 0.5 0.25 Answer :C

Discussion

10605.	Question : Percentage of homozygous offspring in a monohybrid F_2 cross is ......
Answer» 0.25 0 1 0.5 Solution :0.5

Discussion

10606.	Question : Percentage of haemoglobin in RBC is
Answer» `10%` `20%` `34%` `48%` Answer :C

Discussion

10607.	Question : Percentage of alpha_(2)beta_(2) globin presentin human adult is
Answer» 0.99 0.995 0.98 0.97 Solution :N//A

Discussion

10608.	Question : percentage of (G+C) is
Answer» `(G+C)/((A+G+T+C))XX100` `(100)/(A+T)xxG+C` `(G+C)/(A+T+G+C)` `((G+C)XX(A+T))/(100)` ANSWER :A

Discussion

10609.	Question : Percentage of foetal proteinpresentin adultis 1
Answer» 0.01 0.02 0.03 None of the above. Solution :N//A

Discussion

10610.	Question : Percent individuals of a given age or age group is called
Answer» Age DISTRIBUTION Age PYRAMID SEX ratio both (A) and (C) Answer :A

Discussion

10611.	Question : Protein synthesis inside a cell takes place in:
Answer» CHLOROPLAST Mitochondria Chromoplast Ribosome Answer :D

Discussion

10612.	Question : Pepsinogen is secreted by which cells of stomach?
Answer» CHIEF cells Oxyntic cells Pariental cells Mucous cells Answer :A

Discussion

10613.	Question : Pepsinogen is activated by_______.
Answer» ANSWER :HCL

Discussion

10614.	Question : Pepsin acts in___medium.
Answer» Acidic Alkaline Neutral None of these Answer :A

Discussion

10615.	Question : PEP is primary C_2acceptor in
Answer» `C_4` PLANTS `C_3` Plants `C_2` Plants both `C_3 and C_4` plants Answer :A

Discussion

10616.	Question : PEP carboxylase is associated with
Answer» CAM PLANTS `C_3` plants `C_4` plants (1) & (3) ANSWER :D

Discussion

10617.	Question : People's movement for the protection of environment in Sirsi of Karnataka is .........
Answer» CHIPKO MOVEMENT Amirtha DEVI Bishwas movement Appiko movement None of the above Solution :Amirtha Devi Bishwas movement

Discussion

10618.	Question : People who have migrated from the planes to an area adjoining Rohtang Pass about six months back:
Answer» are not physically fit to play GAMES like football suffer from altitude SICKNESS with symptoms like NAUSEA, fatigue, etc have the usual RBC count but their HAEMOGLOBIN has very high binding affinity to `O_2` have more RBCs and their haemoglobin has a lower binding affinity to `O_2` Answer :D

Discussion

10619.	Question : Why people migrate from place to place? Is there any families migrate from your village for employment? What about the position of remaining family members?
Answer» Have more RBCs and their haemoglobin in has a lower binding affinity to `O_2` Are not physically fit to PLAY GAMES LIKE football Suffer from altitude sickness with symptoms like nausea, fatigue, etc. Have the USUAL RBC COUNT but their haemoglobin has very high binding affinity to `O_2` Answer :A

Discussion

10620.	Question : People were very much dependent upon honey for ..............
Answer» Food MEDICINES Meat Herbal product Solution :Medicines

Discussion

10621.	Question : People who carry an allele for normal haemoglobin and an allele for sickle cell, are resistant to maleria. They are examples of
Answer» HETEROZYGOTE advantage Extreme diploidy outbreeding recessive SUPERIORITY ANSWER :A

Discussion

10622.	Question : People prefer seedless fruits to seeded ones. Suggest a method for the production of such fruits artificially.
Answer» SOLUTION :By the APPLICATION of hormones like gibberellin, AUXIN, etc.

Discussion

10623.	Question : People living in West Bengal suffers from black foot disease.
Answer» Solution :In West BENGAL GROUND water is contaminated from ARSENIC. Chronic exposure of it leads them to suffer from BLACK foot disease. Blood vessels of lower limbs are severely damaged. EVENTUALLY leads to progressive gangrene.

Discussion

10624.	Question : People prefer seedless fruits to seeded ones. Name the process concerned with the development of seedless fruits.
Answer» SOLUTION :PARTHENOCARPY

Discussion

10625.	Question : People prefer more seedless fruits than seeded ones. a. Name the process concerned with development of seedless fruits. b. Suggest a method for production of such fruits artificially.
Answer» Solution :a. Parthenocarpy b. By applying HORMONES LIKE GIBBERELLIN,auxin etc.

Discussion

10626.	Question : People living in the coastal areas are forced evict their dwelling units as the sea has inundated into the land area. State the possible reasons and suggest measures that could be taken to reduce the deleterious changes in the environment.
Answer» SOLUTION :Due to fast industrialisation, deforestation and automobiles there is unprecedented growth in the emission of green house gases `(CH_(4), CO_(2), N_(2)O" etc")`. Increase in green house gases has led to the considerable heating of Earth leading to Global warming. during Last three decades the temperature of Earth has increased by `O.6^(@)C`. Due to global wraming and ElNino effect it is causing polar caps of the polar region and glaciers to MELT. It is resulting into the rise in sea level which is leading to inundation or submerge of many castal regions. The Measure to : 1. Slowing down the growth of the human population. 2. Reduce the emission of green house gases to the atmosphere. 3. Cutting down use of fossil FUEL. 4. IMPROVING efficiency of energy usage. 5. Increasing forest cover by reforestation and planting more trees.

Discussion

10627.	Question : People living at sea level have around 5 million RBC per cu.mm of their blood where as those living at an altitude of 5400 metres have around 8 million. This is because at high altitude
Answer» People eat more nutritive food, THEREFORE more RBC are formed People get pollution free AIR to breathe and more OXYGEN is available Atmospheric `O_2`level is less and more RBC are needed to absorb the required amount of `O_2` to survive There is more UV radiation which enhances RBCs PRODUCTION Answer :C

Discussion

10628.	Question : People have been actively participating in the effects for the conservation of forests.Name the step has undertaken by Government of India in 1980's to work closely with the local communities for protecting and mananging forests.
Answer» SOLUTION :JOINT FOREST MANAGEMENT (JFM).

Discussion

10629.	Question : People have been actively participating in the effects for the conservation of forests.Name the award instituted in respect of Amrita Devi to promote such efforts.
Answer» SOLUTION :Amrita Devi BISHNOI WILDLIFE PROTECTION Award.

Discussion

10630.	Question : People have been actively participating in the effects for the conservation of forests.Name the movement launched to protect the trees by hugging them.
Answer» SOLUTION :CHIPKO MOVEMENT

Discussion

10631.	Question : People are quite apprehensive to use GM crops. Give three arguments in support of GM crops so as to convince the people in favour of such crops.
Answer» SOLUTION :SEE Q. 19, Set-I., OUTSIDE Delhi-2015.

Discussion

10632.	Question : Pentasomic can be denoted by
Answer» 2n+2 2n 2n+3 2n+1 2n+4 Answer :B

Discussion

10633.	Question : Pentadiplandra brazzeana, the source of sweetest protein, is found in(A) Srilanka(B) Africa(C) Arabia(D) Australia
Answer» SRILANKA AFRICA ARABIA Australia Solution :Africa

Discussion

10634.	Question : Penicillium: Conidia Chlamydomonas: _____
Answer» SOLUTION :ZOOSPORES

Discussion

10635.	Question : Penicillium does not allow the growth of Staphylococus bacterium and Trichoderma stops the growth of fungus Aspergilus. This type of biotic interaction is called
Answer» parasitism amensalism commensalism competition Answer :B

Discussion

10636.	Question : In asexual reproduction of penicillium the process takesplace by forming_______.
Answer» SOLUTION :CONIDIA

Discussion

10637.	Question : Penicillin was a chance discovery. Is it true or not? If the answer is true give reason.
Answer» Solution :Serendipity is a phenomenon associated with scientific method. It is the faculty of making interesting DISCOVERIES UNEXPECTEDLY. One of the best examples is the discovery of Penicillin by Alexander Fleming. The chance observation of an infected petri dish by Alexander Fleming in 1928 led to the discovery of antibiotics, their manufacture and use to cure the DISEASE caused by staphylococcus which causes throat infection. Alexander Fleming while working on Staphylococci bacteria, one observed contamination of one of the culture plates around which Staphylococci COULD not grow. He found out that it was due to a chemical produced by blue-green mould. Fleming called the chemical substance as Penicillin after the blue green mould, PENICILLIUM notatum.

Discussion

10638.	Question : Penicillin,griseofulvin and cephalosporin are obtained from
Answer» ONE gerena Two genera Three genera Four gerena Answer :B

Discussion

10639.	Question : Penguins belong to class________.
Answer» ANSWER :AVES,

Discussion

10640.	Question : PEN is referred as ………….
Answer» Primary Endo NUTRITIVE tissue Primary ENDOSPERM Nucleus Primary ENTRY of Nucleus Post Entry of Nucleus. Answer :A::C::D

Discussion

10641.	Question : Pelagic forms of animals are found:
Answer» on the surface of the SEA floating along the waves as PARASITES of MAMMALS in deep sea in the SOIL Answer :A

Discussion

10642.	Question : Pelvic girdle is made up of
Answer» 6 BONES 2 bones 30 bones 4 bones ANSWER :B

Discussion

10643.	Question : Peel is removed in potato in potato experiment because of the presence of
Answer» NAG NAM Suberin Chitin Answer :C

Discussion

10644.	Question : Pedology is the studyof:
Answer» SOIL LOCOMOTION ROCKS CROP disease Answer :A

Discussion

10645.	Question : pedicellate flowers arising from a single point form
Answer» umbel cymose head capituulam verticillaster Answer :a

Discussion

10646.	Question : Pedigree analysis is useful in human genetics because :
Answer» It can TRACE the inheritance of a PARTICULAR trait Control CROSSES can not be performed in human beings It helps to trace disease in a family All of these Answer :D

Discussion

10647.	Question : Pedogenesis refers to
Answer» a) Fossils b) Water c) Population d) SOIL Solution :Soil

Discussion

10648.	Question : pedicellate bisexual flowers borne acropetally on an elongated peduncle form an inflorescence called
Answer» SPIKE corymb raceme catkin Answer :C

Discussion

10649.	Question : Peculiarities of two types of seeds are given below. Identify the two types of seeds and give example for each. Endosperm not completely used by embryo.
Answer» SOLUTION :ALBUMINOUS EX: Wheat, Maize, BARLEY, CASTOR etc.

Discussion

10650.	Question : Peculiarities of certain parts of theovule are given below. Name the parts. Protective envelops of the ovule.
Answer» SOLUTION :INTEGUMENTS

Discussion

Explore topic-wise InterviewSolutions in .

Question : Percentage of O_2 transported from lungs to the tissues through RBC is

Question : Percentage of O_2& CO_2 transported in a dissolved state through plasma respectively

Question : Percentage of inflated pod, wrinkled seed and axial flower obtained in F_2 generation of Mendel's monohybrid cross are respectively

Question : percentage of heterozygous individuals obtained from selfing of Rr individuals is

Question : Percentage of homozygous offspring in a monohybrid F_2 cross is ......

Question : Percentage of haemoglobin in RBC is

Question : Percentage of alpha_(2)beta_(2) globin presentin human adult is

Question : percentage of (G+C) is

Question : Percentage of foetal proteinpresentin adultis 1

Question : Percent individuals of a given age or age group is called

Question : Protein synthesis inside a cell takes place in:

Question : Pepsinogen is secreted by which cells of stomach?

Question : Pepsinogen is activated by_______.

Question : Pepsin acts in___medium.

Question : PEP is primary C_2acceptor in

Question : PEP carboxylase is associated with

Question : People's movement for the protection of environment in Sirsi of Karnataka is .........

Question : People who have migrated from the planes to an area adjoining Rohtang Pass about six months back:

Question : Why people migrate from place to place? Is there any families migrate from your village for employment? What about the position of remaining family members?

Question : People were very much dependent upon honey for ..............

Question : People who carry an allele for normal haemoglobin and an allele for sickle cell, are resistant to maleria. They are examples of

Question : People prefer seedless fruits to seeded ones. Suggest a method for the production of such fruits artificially.

Question : People living in West Bengal suffers from black foot disease.

Question : People prefer seedless fruits to seeded ones. Name the process concerned with the development of seedless fruits.

Question : People prefer more seedless fruits than seeded ones. a. Name the process concerned with development of seedless fruits. b. Suggest a method for production of such fruits artificially.

Question : People living in the coastal areas are forced evict their dwelling units as the sea has inundated into the land area. State the possible reasons and suggest measures that could be taken to reduce the deleterious changes in the environment.

Question : People living at sea level have around 5 million RBC per cu.mm of their blood where as those living at an altitude of 5400 metres have around 8 million. This is because at high altitude

Question : People have been actively participating in the effects for the conservation of forests.Name the step has undertaken by Government of India in 1980's to work closely with the local communities for protecting and mananging forests.

Question : People have been actively participating in the effects for the conservation of forests.Name the award instituted in respect of Amrita Devi to promote such efforts.

Question : People have been actively participating in the effects for the conservation of forests.Name the movement launched to protect the trees by hugging them.

Question : People are quite apprehensive to use GM crops. Give three arguments in support of GM crops so as to convince the people in favour of such crops.

Question : Pentasomic can be denoted by

Question : Pentadiplandra brazzeana, the source of sweetest protein, is found in(A) Srilanka(B) Africa(C) Arabia(D) Australia

Question : Penicillium: Conidia Chlamydomonas: _____

Question : Penicillium does not allow the growth of Staphylococus bacterium and Trichoderma stops the growth of fungus Aspergilus. This type of biotic interaction is called

Question : In asexual reproduction of penicillium the process takesplace by forming_______.

Question : Penicillin was a chance discovery. Is it true or not? If the answer is true give reason.

Question : Penicillin,griseofulvin and cephalosporin are obtained from

Question : Penguins belong to class________.

Question : PEN is referred as ………….

Question : Pelagic forms of animals are found:

Question : Pelvic girdle is made up of

Question : Peel is removed in potato in potato experiment because of the presence of

Question : Pedology is the studyof:

Question : pedicellate flowers arising from a single point form

Question : Pedigree analysis is useful in human genetics because :

Question : Pedogenesis refers to

Question : pedicellate bisexual flowers borne acropetally on an elongated peduncle form an inflorescence called

Question : Peculiarities of two types of seeds are given below. Identify the two types of seeds and give example for each. Endosperm not completely used by embryo.

Question : Peculiarities of certain parts of theovule are given below. Name the parts. Protective envelops of the ovule.