Plant Anatomy and Physiology MCQ question and answer with solution

Section 1 Section 2 Section 3 Section 4 Section 5 Section 6 Section 7 Section 8 Section 9 Section 10

51.
The complete regular metabolic cycle of reactions of taking place in the dark reaction of photosynthesis is called as

A. C₄ cycle

B. Hatch and Slack pathway

C. Non-cyclic photophosphorylation

D. C₃ cycle

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52.
The structural adaptations of hydrophytes are correlated with

A. Decrease in oxygen supply due to slow solubility of oxygen in water

B. Absence of structures needed for water loss during transpiration

C. Extreme decrease in mechanical and water conducting tissue

D. All of the above

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53.
Which of the following wall layers is the last to attain maturity?

A. Outer tapetum

B. Inner tapetum

C. Endothecium

D. Middle layer

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54.
During photokinesis when only a part of the body of an animal deviates always from the source of light, the reaction is termed

A. Rheokinesis

B. Klinokinesis

C. Photoklinokinesis

D. Phototropotaxis

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55.
Abscisic acid is also known as stress hormone because

A. it is a plant growth inhibitor

B. it is an inhibitor of plant metabolism

C. it inhibits seed germination

D. it increases the tolerance of plants to various kinds of stresses

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56.
The points regarding the structure of the mature embryo sac that have proved of special signification in taxonomic considerations include

A. The structure and shape of the embryo sac

B. The number of nuclei and their distribution in embryo sac

C. Persistence or disappearance of the synergids and antipodals in the embryo sac after or before fertilization

D. All of the above

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57.
Which of the following plants belongs to "semi-mangrove" group?

A. Nipa fruticans

B. Rhizophora mucronata

C. Acanthus ilicifolius

D. Xylocarpus granatum

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58.
Organic substances which are synthesized in minute quantities in one part of the plant body and transported to another part where they influence specific physiological processes are known as

A. Enzymes

B. Growth regulators

C. Growth hormones

D. Growth inhibitors

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59.
The germination of lettuce seeds is

A. Stimulated by red light and inhibited by infrared

B. Stimulated by ultraviolet and inhibited by infrared

C. Stimulated by infrared and inhibited by red light

D. Stimulated by ultraviolet and inhibited by red light

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60.
The structural organisation of an ecosystem presented in terms of weight of organisms at each trophic level is known as

A. Pyramid of energy

B. Pyramid of number

C. Pyramid of biomass

D. None of the above

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Plant Anatomy and Physiology MCQ question and answer with solution | Biology Gk MCQs

51. The complete regular metabolic cycle of reactions of taking place in the dark reaction of photosynthesis is called as

Answer & Solution

52. The structural adaptations of hydrophytes are correlated with

Answer & Solution

53. Which of the following wall layers is the last to attain maturity?

Answer & Solution

54. During photokinesis when only a part of the body of an animal deviates always from the source of light, the reaction is termed

Answer & Solution

55. Abscisic acid is also known as stress hormone because

Answer & Solution

56. The points regarding the structure of the mature embryo sac that have proved of special signification in taxonomic considerations include

Answer & Solution

57. Which of the following plants belongs to "semi-mangrove" group?

Answer & Solution

58. Organic substances which are synthesized in minute quantities in one part of the plant body and transported to another part where they influence specific physiological processes are known as

Answer & Solution

59. The germination of lettuce seeds is

Answer & Solution

60. The structural organisation of an ecosystem presented in terms of weight of organisms at each trophic level is known as

Answer & Solution

Read More Section(Plant Anatomy and Physiology)

51.
The complete regular metabolic cycle of reactions of taking place in the dark reaction of photosynthesis is called as

52.
The structural adaptations of hydrophytes are correlated with

53.
Which of the following wall layers is the last to attain maturity?

54.
During photokinesis when only a part of the body of an animal deviates always from the source of light, the reaction is termed

55.
Abscisic acid is also known as stress hormone because

56.
The points regarding the structure of the mature embryo sac that have proved of special signification in taxonomic considerations include

57.
Which of the following plants belongs to "semi-mangrove" group?

58.
Organic substances which are synthesized in minute quantities in one part of the plant body and transported to another part where they influence specific physiological processes are known as

59.
The germination of lettuce seeds is

60.
The structural organisation of an ecosystem presented in terms of weight of organisms at each trophic level is known as