24277 + Interview Questions in Biology in Class 12

1.	Question : Pyramid of energy in a ecosystem is :
Answer» ALWAYS upnight Always ERECT CONSTANT DECLINING ANSWER :A

Discussion

2.	Question : Pyramid of energy in aquatic ecosystem is :
Answer» ALWAYS upright Always inverted Bell shaped None of these Answer :A

Discussion

3.	Question : Pyramid is always upright in
Answer» PYRAMID of NUMBER Pyramid of ENERGY Pyramid of BIOMASS All of the above SOLUTION :Pyramid of energy

Discussion

4.	Question : Pusa swarnim variety of Brassica species show resistance to ………. .
Answer» WHITE rust Leaf curl Black rot Hill bunt Answer :A

Discussion

5.	Question : Pusa sawani is a insect resistant variety of ________
Answer» Cowpea Flat bean Lady's finger Brassica Answer :A::D

Discussion

6.	Question : Pusa snowball is a disease resistant variety of ____
Answer» Cowpea Cauliflower Wheat Rice Answer :A::C

Discussion

7.	Question : Pusa shubhra is a variety of
Answer» Cauliflower Chilli Wheat Cabbage Answer :A

Discussion

8.	Question : Pusa Sem 2 is a disease resistant crop variety of
Answer» RAPESEED mustard Okra Flat bean Maize Answer :C

Discussion

9.	Question : Pusa Shubra is a variety of
Answer» cauliflower chilli wheat cabbage Answer :A

Discussion

10.	Question : Pusa sawani variety of okra is resistance against………. .
Answer» Aphids FRUIT borers Shoot and fruit borers Jessids Answer :C

Discussion

11.	Question : Pusa-gaurav , pusa A-4,Himgiri Pusa comal are some hybrid varieties developed through plant breeding .Sumesh get this information from a magazine .but he did not know the steps of plant breeding .Write down the steps of plant breeding .Name the revolution that leads to the food production in world .
Answer» SOLUTION :B)GREEN REVOLUTION

Discussion

12.	Question : Pusa Komal variety of cowpea is resistant to which of the following disease?
Answer» WHITE RUST of crucifers TMV BACTERIAL BLIGHT Black rot Answer :C

Discussion

13.	Question : Pusa komal is a variety of _____ that is resistant to ____
Answer» Wheat, HILL bunt Brassica, white rust Chilli, chilli MOSAIC virus Cowpea, BACTERIAL blight Answer :D

Discussion

14.	Question : Pusa Gaurav is variety of
Answer» OKRA BRASSICA TOMATO potato Answer :B

Discussion

15.	Question : Purposeful manipulation of plant species in order to create desired plant type
Answer» SOLUTION :PLANT BREEDING

Discussion

16.	Question : Purkinje fibre are located in _____.
Answer» Ventricle Auricle Muscles Kidney Answer :A

Discussion

17.	Question : Purines possess nitrogen at
Answer» 1, 2, 4 and 6 position 1, 3, 5 and 7 position 1, 3, 7 and 9 position 1, 2, 6 and 8 position Answer :C

Discussion

18.	Question : Purines found both in DNA and RNA are:
Answer» ADENINE and guanine guanine and cytosine cytosine and THYMINE adenine and thymine Answer :A

Discussion

19.	Question : Purines possess nitrogen at :
Answer» 1 , 2 , 4 and 6 position 1 , 3 , 5 and 7 position 1, 3 , 7 and 9 position 1, 2, 6 and 8 position Answer :C

Discussion

20.	Question : Purines found both in DNA and RNA are :
Answer» ADENINE and THYMINE Adenine and GUANINE Guanine and CYTOSINE Cytosine and thymine SOLUTION :Adenine and guanine

Discussion

21.	Question : Purine nucleosides have
Answer» 5-3 PHOSPHODIESTER BOND 1-9 GLYCOSIDIC linkage 1-1' glycosidic linkage H-bonds Answer :B

Discussion

22.	Question : Purified antibiotic penicillin of Penicillium notatum was obtained by
Answer» A. Flemming Howard Florey Robert Hooke Carolus Linnaeus Answer :B

Discussion

23.	Question : Pure tall plants are crossed with pure dwarf plants . In the F_1 - generation , all plants were tall . These tall plants of F_1 -generation were selfed and the ratio of tall to dwarf plants obtained was 3 : 1 . This is called :
Answer» DOMINANCE inheritance codominance heredity Answer :A

Discussion

24.	Question : Pure tall plants are crossed with pure dwarf plants. In the F_(1) generation, all plants were tall. These tall plants of F_(1) generation were selfed and the ratio of tall to dwarf plants obtained was 3:1. This is called
Answer» DOMINANCE INHERITANCE CODOMINANCE HEREDITY ANSWER :A

Discussion

25.	Question : Pure line selection is used in _____ pollined crop.
Answer» ANSWER :SELF

Discussion

26.	Question : Pure line selection is used in __________________
Answer» ANSWER :SELF POLLINATED

Discussion

27.	Question : Pure breeds of fowls are
Answer» aseel GHAGUS brahma & cochin all of these ANSWER :C

Discussion

28.	Question : Punica granatum is
Answer» juicy TESTA seed mesocarp FLESHY ARIL ANSWER :A

Discussion

29.	Question : Pulvinus is
Answer» Swollen leaf base Cylindrical STALK that joins the leaf base with lamina Lateral SMALL leaf like STRUCTURE MODIFIED petiole Answer :D

Discussion

30.	Question : Pulse is generally taken on the
Answer» BRACHIAL artery subclavian vein radial artery subclavian artery Answer :C

Discussion

31.	Question : Pulsation theory of ascent of sap was proposed by
Answer» DIXON and Jolly J.C.Bose Curtis and Clarke None of these Answer :B

Discussion

32.	Question : Pulp of a fruit is made up of mainly
Answer» Parenchyma Collenchyma Sclereids Meristem Answer :A

Discussion

33.	Question : Pullorum disease of poultry is know as
Answer» white diarrhoea COCCIDIOSIS fowl FOX NONE ANSWER :A

Discussion

34.	Question : “Pull” is observed during
Answer» Ascent of SAP in tall trees Ascent of sap in herbs Translocation of ORGANIC SOLUTES in sieve elements All the above Answer :A

Discussion

35.	Question : Puberty occurs in females at the age of
Answer» 8-10 YEARS 11-14 years 15-17 years 18-20 years Answer :B

Discussion

36.	Question : puC 19 is an example for ..........
Answer» SHUTTLE VECTOR Expression vector Cosmid PHAGEMID vector Answer :B

Discussion

37.	Question : P_(tr) interconversion is regulated by
Answer» ABA 2, 4-D IAA GA ANSWER :D

Discussion

38.	Question : Pteridophytes differ from mosses/ bryophytes in possessing
Answer» INDEPENDENT gametophyte well developed vascular system archegonia flagellate spermatozoids Solution :(b) Pteridophytes are most primitive vascular flowerless, spore producing cryptogamic land plants, commonly called vasularamphibians/botanical snakes/sporeproducing seedless trachaeophytes.They are first vascular land plants to have independent sporophyte DIPLOID plant body with true noot, stem and leaves. In contrast BRYOPHYTES, the amphibians of plant kingdom are DEVOID of true roots, stem and leaves, withno vascularsupply but root-like, non-vascular rhizoids, leaf-like and stem-like structuresare present.

Discussion

39.	Question : Psychrometer is used for the measurement of
Answer» TEMPERATURE ATMOSPHERIC pressure rainfall wind velocity Answer :B

Discussion

40.	Question : Psychotropic drugs are mood-altering drugs. Why?
Answer» Solution :Psychotropic drugs act on the brain and alter BEHAVIOUR, CONSCIOUSNESS and capacity of PERCEPTION

Discussion

41.	Question : Psi_(w)=Psi_(s) is not applied to
Answer» TURGID CELL NORMAL cell Plasmolysed cell Flaccid cell Answer :B

Discussion

42.	Question : Psi_(w)=Psi_(pi) in
Answer» FLACCID cell Plasmolysed cell Turgid cell 1 and 2 Answer :A

Discussion

43.	Question : Psi_(w) is maximum during/in
Answer» COMPLETELY plasmolysed cell Completely deplasmolysed cell Fully TURGID cell 2 and 3 Answer :C

Discussion

44.	Question : Psi_(pi)=Psi_(p) in
Answer» FLACCID cell Plasmolysed cell Turgid cell 1 and 2 Answer :C

Discussion

45.	Question : Pneumotoxic center is located in
Answer» Pons Medulla oblongata Midbrain Forebrain Answer :A

Discussion

46.	Question : Pseudopodia brings about locomotion in_____.
Answer» Amoeba Euglena Paramecium None of these Answer :A

Discussion

47.	Question : Pseudomonas putida and pollution abatement - comment .
Answer» Solution :Pseudomonas putida is agenetically ENGINEERED MULTI plasmid hydrocarbon - degrading BACTERIUM . These bacteria can DIGEST the hydrocarbons in the oil spills HELPS to over come water pollution .

Discussion

48.	Question : Psammophytes are plants that grow where soil is :
Answer» ALKALINE Sandy Acidic Alluvial Answer :B

Discussion

49.	Question : PS I and PS II.
Answer» SOLUTION :

Discussion

50.	Question : Pruning of tea plants is done discard the effect of
Answer» `GA_(3)` Auxin Cytokinin ABA Answer :B

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

Question : Pyramid of energy in a ecosystem is :

Question : Pyramid of energy in aquatic ecosystem is :

Question : Pyramid is always upright in

Question : Pusa swarnim variety of Brassica species show resistance to ………. .

Question : Pusa sawani is a insect resistant variety of ________

Question : Pusa snowball is a disease resistant variety of ____

Question : Pusa shubhra is a variety of

Question : Pusa Sem 2 is a disease resistant crop variety of

Question : Pusa Shubra is a variety of

Question : Pusa sawani variety of okra is resistance against………. .

Question : Pusa Komal variety of cowpea is resistant to which of the following disease?

Question : Pusa komal is a variety of _____ that is resistant to ____

Question : Pusa Gaurav is variety of

Question : Purposeful manipulation of plant species in order to create desired plant type

Question : Purkinje fibre are located in _____.

Question : Purines possess nitrogen at

Question : Purines found both in DNA and RNA are:

Question : Purines possess nitrogen at :

Question : Purines found both in DNA and RNA are :

Question : Purine nucleosides have

Question : Purified antibiotic penicillin of Penicillium notatum was obtained by

Question : Pure tall plants are crossed with pure dwarf plants . In the F_1 - generation , all plants were tall . These tall plants of F_1 -generation were selfed and the ratio of tall to dwarf plants obtained was 3 : 1 . This is called :

Question : Pure tall plants are crossed with pure dwarf plants. In the F_(1) generation, all plants were tall. These tall plants of F_(1) generation were selfed and the ratio of tall to dwarf plants obtained was 3:1. This is called

Question : Pure line selection is used in _____ pollined crop.

Question : Pure line selection is used in __________________

Question : Pure breeds of fowls are

Question : Punica granatum is

Question : Pulvinus is

Question : Pulse is generally taken on the

Question : Pulsation theory of ascent of sap was proposed by

Question : Pulp of a fruit is made up of mainly

Question : Pullorum disease of poultry is know as

Question : “Pull” is observed during

Question : Puberty occurs in females at the age of

Question : puC 19 is an example for ..........

Question : P_(tr) interconversion is regulated by

Question : Pteridophytes differ from mosses/ bryophytes in possessing

Question : Psychrometer is used for the measurement of

Question : Psychotropic drugs are mood-altering drugs. Why?

Question : Psi_(w)=Psi_(s) is not applied to

Question : Psi_(w)=Psi_(pi) in

Question : Psi_(w) is maximum during/in

Question : Psi_(pi)=Psi_(p) in

Question : Pneumotoxic center is located in

Question : Pseudopodia brings about locomotion in_____.

Question : Pseudomonas putida and pollution abatement - comment .

Question : Psammophytes are plants that grow where soil is :

Question : PS I and PS II.

Question : Pruning of tea plants is done discard the effect of

Question : Pusa komal is a variety of _ that is resistant to