24277 + Interview Questions in Biology in Class 12

1.	Question : Plants possessing genes of other organisms are called ____________plants.
Answer» ANSWER :A::C

Discussion

2.	Question : Plants of which one of the following groups of genera are pollinated bythe same agency
Answer» TRITICUM, COCOS, Mangifera Ficus, KIGELIA, Casuarina Bombax, Butea, Bauhinia Salvia, MORUS, Euphorbia. Answer :C

Discussion

3.	Question : Plants of which one of the following groups of genera are pollinated by the same agency ?
Answer» TRITICUM ,COCOS, MANGIFERA FICUS, KIGELIA, Casuarina Salvia, MorusEuphorbia Bombox, Butea, Bauhinia Answer :D

Discussion

4.	Question : Plants obtaining nourishment from other plants by haustoria are:
Answer» Mesophytes Parasites Xerophytes Halophytes Answer :B

Discussion

5.	Question : Plants lose water by the processes of______and_____'
Answer» ANSWER :TRANSPIRATION, guttaion

Discussion

6.	Question : Plants lose water by guttation when:
Answer» RATE of TRANSPIRATION is high Soil is wet and the atmosphere is humid Soil is DRY and atmosphere is dry Soil is wet and atmosphere is dry Answer :B

Discussion

7.	Question : Name the plants in which vegetative growth occurs in the first year and reproductive structures devlop in the second year.
Answer» ANSWER :BIENNIAL

Discussion

8.	Question : Plants in sandy soils are commonly called as ……………………….
Answer» SOLUTION :PSAMMOPHYTES

Discussion

9.	Question : Plants having similar genotypes produced by plant breeding are called
Answer» (a) CLONE (B) HAPLOID (C) AUTOPOLYPLOID (d) genome Answer :A

Discussion

10.	Question : Plants identical to mother plant can be obtained through.(A) Seed(B) Stem cutting(C) Both (A) and (B)(D) None of these
Answer» SEED STEM CUTTING Both (A) and (B) None of these ANSWER :B

Discussion

11.	Question : Plants grown on sandy soil, are grouped under
Answer» Lithophytes PSAMMOPHYTES HYDROPHYTES XEROPHYTES ANSWER :B

Discussion

12.	Question : Plants growing on sand and gravel are called_____.
Answer» ANSWER :PSAMMOPHYTES

Discussion

13.	Question : Plants growing on saline soil are called____.
Answer» ANSWER :Halophites

Discussion

14.	Question : Plants growing on rocks are
Answer» Lithophytes Epiphytes Psychrophtes Psammophtes ANSWER :A

Discussion

15.	Question : Plants growing on rocks and stones.
Answer» ANSWER :lithophytes

Discussion

16.	Question : Plants growing near the nuclear test sites take up and accumulate which of the following elements?
Answer» Gold Selenium Strontium All of these Answer :C

Discussion

17.	Question : Plants growing on burnt soil are called as ________.
Answer» SOLUTION :Pyrophytes

Discussion

18.	Question :Plants growing in different strata in a water body manage minimum their photosynthetic efficiency by
Answer» Changing source of energy (CHEMICAL) Adjusting pigment composition Utilising only blue REGION of PAR Producing more NUMBER of Chlorophyll a molecules Answer :B

Discussion

19.	Question : Name the plants that germinate with the first shower of rain and complete their life cycle in 4-6 weeks by the end of rain.
Answer» ANSWER :EPHEMERAL

Discussion

20.	Question : Plants fo the Galapagos Islands resembles most closedly to the plants of :
Answer» SOUTH America North America Asia Australia Solution :N/A

Discussion

21.	Question : Plants developed from apomictic embryos of a plant are
Answer» GENETICALLY different to each other Morphologically similar to each other but genetically different from PARENT plant Different to each other w.r.t. their ploidy Genetically identical to each other as well as to their parent Answer :D

Discussion

22.	Question : Plants do not store carbohydrates as glucose, because it
Answer» Dissolves an water , thereby altering the osmotic balance Attracts INSECTS HERBIVORES Is an UNSTABLE molecule Would replace ribose in DNA synthesis Answer :A

Discussion

23.	Question :Plants are more rapidly manipulated by genetic engineering than animals due to
Answer» Single somatic cell can regenerate a WHOLE plant BODY A group of somatic cells can regenerate a whole plant body May be (a) or (b) NONE of the above Answer :A

Discussion

24.	Question : Plants are called as .......... because they fix carbon dioxide.
Answer» SOLUTION :PRODUCERS

Discussion

25.	Question : Plants are called as __________ because they fix carbon dioxide.
Answer» SOLUTION :AUTOTROPHS

Discussion

26.	Question : Plants and animals living in a given area from a:
Answer» biome ecotone biotic community bioindicator Answer :C

Discussion

27.	Question : Give an example of a plant which vegetatively propagate by adventitious leaf buds.
Answer» SOLUTION :BRYOPHYLLUM

Discussion

28.	Question : Plant tissue culture (I) Used to describe the plant part in in-vitro (II) Used to describe the growth of any plant part. (III) Plant part explant must be selected for this procedure. (IV) Growth can be done in culture medium
Answer» III and IV only I, III and IV only I, II and IV only All of the above Answer :A::D

Discussion

29.	Question : Plant variety himgiri is resistant to
Answer» WHITE rust Masaic virus Bacterial blight Leaf and STRIPE rust Answer :D

Discussion

30.	Question : Ecological succession on sand is:
Answer» Psammosere Halosere Xerosere Hydrosere Answer :A

Discussion

31.	Question : Plantspecieshavinga widerangeof genetical distribution evolve into a local population knowas
Answer» ECOTYPE BIOME ECOSYTEM popultaion ANSWER :a

Discussion

32.	Question : Plant selection is usally based on physiological characters.
Answer» ANSWER :MORPHOLOGICAL

Discussion

33.	Question : Plant source of Heroin is…….
Answer» POPPY plants Cannabis plants Datura species Atropa species Answer :A

Discussion

34.	Question : The plant part which consists of two generations one with in the other is :
Answer» Seed Germinated POLLEN grain Embryo Unfertilized ovule Answer :A

Discussion

35.	Question : Plant like papaya and date palm can prevent
Answer» ONY XENOGAMY Geitonogamy as well as xenogamy Only geitonogamy Auto as well as geitonogamy Solution :Tightly LINKED genes are PRESENT on same chromosome very close toeach other Tightly linked gene produce more parental combinations than recombinants

Discussion

36.	Question : Plant life is restricted in sea to
Answer» PHOTIC ZONE or EUPHOTIC zone Aphotic zone Abyssal area Continental shelf Answer :A

Discussion

37.	Question : Plant indicators also referred as
Answer» CHEMICAL indicators Oxygen indicators Biological indicators Environmental indicators Answer :A::B::C::D

Discussion

38.	Question : Plant having interflowerign period is
Answer» Neelakuranji Bamboo Jackfruit WHEAT SOLUTION :Sporopollen is resistant to strong acid, alkali and ENZYMATIC degraduation Sporopollenin is present in exine (outer layer of sporoderm) of POLLEN GRAIN

Discussion

39.	Question : Plant group with largest ovule, largest tree, and largest gamets:
Answer» Gymnosperm Angiosperm BryoBIOta PteriodoBIOta Answer :A

Discussion

40.	Question : Plants growing on acidic soil are called_____.
Answer» ANSWER :OXYLOPHYTES

Discussion

41.	Question : what are the Plant growth hormones
Answer» ANSWER :PHYTOHORMONE

Discussion

42.	Question : Plant ecosystem is an orderly process of ecosystem development.
Answer» ANSWER :1

Discussion

43.	Question : Plant cells dipped in distilled water will become:
Answer» Turgid Plasmolysed Flaccid Impermeable Answer :A

Discussion

44.	Question : Plant decomposers are :
Answer» MONERA and fungi Funfi and plants Protista and Animalia Animalia and Monera Answer :A

Discussion

45.	Question : Plant cell with ergastic substances
Answer» ANSWER :Idioblast

Discussion

46.	Question : Plant cells are totipotent. why?
Answer» SOLUTION :The CAPACITY of any plant cell/explant to grow into a WHOLE plant is CALLED TOTIPOTENCY.

Discussion

47.	Question : Plant breeding is both art and science.
Answer» ANSWER :1

Discussion

48.	Question : Plant capture how much of PAR ?
Answer» `2 - 10% ` `10 - 20% ` `30%` `90%` SOLUTION :`2 - 10% `

Discussion

49.	Question : Plant breeding involves techniques for manipulating plants in order to create the desired plant type. State the steps involved in the production of a new genetic variety of a crop
Answer» SOLUTION :Steps involved in plant breeding are as follows: 1. COLLECTION of variability 2. EVALUATION and selection of parent 3. Cross HYBRIDISATION among selected parent 4. Selection and testing of superior recombinants 5. Testing, release and commercialization of NEW variety

Discussion

50.	Question : Plant are called as ____ because they fix carbon dioxide
Answer» SOLUTION :PRODUCERS

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

Question : Plants possessing genes of other organisms are called ____________plants.

Question : Plants of which one of the following groups of genera are pollinated bythe same agency

Question : Plants of which one of the following groups of genera are pollinated by the same agency ?

Question : Plants obtaining nourishment from other plants by haustoria are:

Question : Plants lose water by the processes of______and_____'

Question : Plants lose water by guttation when:

Question : Name the plants in which vegetative growth occurs in the first year and reproductive structures devlop in the second year.

Question : Plants in sandy soils are commonly called as ……………………….

Question : Plants having similar genotypes produced by plant breeding are called

Question : Plants identical to mother plant can be obtained through.(A) Seed(B) Stem cutting(C) Both (A) and (B)(D) None of these

Question : Plants grown on sandy soil, are grouped under

Question : Plants growing on sand and gravel are called_____.

Question : Plants growing on saline soil are called____.

Question : Plants growing on rocks are

Question : Plants growing on rocks and stones.

Question : Plants growing near the nuclear test sites take up and accumulate which of the following elements?

Question : Plants growing on burnt soil are called as ________.

Question :Plants growing in different strata in a water body manage minimum their photosynthetic efficiency by

Question : Name the plants that germinate with the first shower of rain and complete their life cycle in 4-6 weeks by the end of rain.

Question : Plants fo the Galapagos Islands resembles most closedly to the plants of :

Question : Plants developed from apomictic embryos of a plant are

Question : Plants do not store carbohydrates as glucose, because it

Question :Plants are more rapidly manipulated by genetic engineering than animals due to

Question : Plants are called as .......... because they fix carbon dioxide.

Question : Plants are called as __________ because they fix carbon dioxide.

Question : Plants and animals living in a given area from a:

Question : Give an example of a plant which vegetatively propagate by adventitious leaf buds.

Question : Plant tissue culture (I) Used to describe the plant part in in-vitro (II) Used to describe the growth of any plant part. (III) Plant part explant must be selected for this procedure. (IV) Growth can be done in culture medium

Question : Plant variety himgiri is resistant to

Question : Ecological succession on sand is:

Question : Plantspecieshavinga widerangeof genetical distribution evolve into a local population knowas

Question : Plant selection is usally based on physiological characters.

Question : Plant source of Heroin is…….

Question : The plant part which consists of two generations one with in the other is :

Question : Plant like papaya and date palm can prevent

Question : Plant life is restricted in sea to

Question : Plant indicators also referred as

Question : Plant having interflowerign period is

Question : Plant group with largest ovule, largest tree, and largest gamets:

Question : Plants growing on acidic soil are called_____.

Question : what are the Plant growth hormones

Question : Plant ecosystem is an orderly process of ecosystem development.

Question : Plant cells dipped in distilled water will become:

Question : Plant decomposers are :

Question : Plant cell with ergastic substances

Question : Plant cells are totipotent. why?

Question : Plant breeding is both art and science.

Question : Plant capture how much of PAR ?

Question : Plant breeding involves techniques for manipulating plants in order to create the desired plant type. State the steps involved in the production of a new genetic variety of a crop

Question : Plant are called as ____ because they fix carbon dioxide

Question : Plants lose water by the processes of__and_'