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

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51.
When the fruit is derived from a monocarpellary superior, unilocular ovary with marginal placentation, it is known as

A. Lomentum

B. Cremocarps

C. Carcerulus

D. Double samara

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52.
The optimum temperature for the formation of zoospore in Phytophthora infestans is

A. 20° C

B. 4° C

C. 15° C

D. 12° C

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53.
Which of the following viruses is known as Solanum virus-3 which causes super mild mosaic?

A. Potato virus-A

B. Potato virus-X

C. Potato virus-Y

D. None of the above

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54.
The hormone related to drought tolerance is

A. Abscisic acid

B. Gibberellin

C. Indole acetic acid

D. Cytokinin

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55.
Water potential of protoplasm is equal but opposite in sign to the

A. Diffusion pressure

B. Turgor pressure

C. Osmotic pressure

D. Diffusion pressure deficit

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56.
According to Cajlachjan's ideas, long-day plants on non-inductive cycles have a sufficient amount of

A. Gibberellin

B. Cytokinin

C. Anthesin

D. All of the above

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57.
Germination of a seed will occur only

A. When the embryo development is complete

B. During the embryo development

C. Before the beginning of embryo development

D. Either B or C

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58.
Which of the following is a seed borne disease?

A. Green ear disease of bajra

B. Blast of rice

C. Black arm of cotton

D. Root knot of tomato

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59.
Which one of the following gases is used by plants in photosynthesis?

A. Ammonia

B. Carbon dioxide

C. Chlorine

D. Sulphur dioxide

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60.
Which of the following is the fundamental unit of phytosociology, being a plant community of certain floristic composition, of uniform habitat conditions and of uniform physiognomy?

A. Consociation

B. Association

C. Succession

D. Afforestation

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

51. When the fruit is derived from a monocarpellary superior, unilocular ovary with marginal placentation, it is known as

Answer & Solution

52. The optimum temperature for the formation of zoospore in Phytophthora infestans is

Answer & Solution

53. Which of the following viruses is known as Solanum virus-3 which causes super mild mosaic?

Answer & Solution

54. The hormone related to drought tolerance is

Answer & Solution

55. Water potential of protoplasm is equal but opposite in sign to the

Answer & Solution

56. According to Cajlachjan's ideas, long-day plants on non-inductive cycles have a sufficient amount of

Answer & Solution

57. Germination of a seed will occur only

Answer & Solution

58. Which of the following is a seed borne disease?

Answer & Solution

59. Which one of the following gases is used by plants in photosynthesis?

Answer & Solution

60. Which of the following is the fundamental unit of phytosociology, being a plant community of certain floristic composition, of uniform habitat conditions and of uniform physiognomy?

Answer & Solution

Read More Section(Plant Anatomy and Physiology)

51.
When the fruit is derived from a monocarpellary superior, unilocular ovary with marginal placentation, it is known as

52.
The optimum temperature for the formation of zoospore in Phytophthora infestans is

53.
Which of the following viruses is known as Solanum virus-3 which causes super mild mosaic?

54.
The hormone related to drought tolerance is

55.
Water potential of protoplasm is equal but opposite in sign to the

56.
According to Cajlachjan's ideas, long-day plants on non-inductive cycles have a sufficient amount of

57.
Germination of a seed will occur only

58.
Which of the following is a seed borne disease?

59.
Which one of the following gases is used by plants in photosynthesis?

60.
Which of the following is the fundamental unit of phytosociology, being a plant community of certain floristic composition, of uniform habitat conditions and of uniform physiognomy?