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.
Agrosan GN, Ceresan and Tillex give perfect control to seed-borne diseases, like

A. Mild mosaic of potato

B. Brown leaf spots of rice

C. Leaf rust of coffee

D. Red rot of sugarcane

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52.
In the microspores, at certain places, the exine remains unthickened or missing and these places are known as

A. Pollen sacs

B. Germ pores

C. Pollinia

D. None of the above

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53.
Most of the oxygen on earth is produced by

A. Grasses

B. Algae

C. Trees

D. Paddy fields

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54.
There is a complete absence of amphibians in which of the following biomes?

A. Forest biomes

B. Tundra biomes

C. Grassland biomes

D. All of the above

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55.
A body that changes position in the cell or plant organ or part as a direct consequence of the change in direction of the axis of an organ with reference to the direction of the force of gravity is called as

A. Amyloplast

B. Mesolith

C. Statolith

D. Symplast

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56.
The highest concentrations of auxin are found in the

A. Nodes of the plant

B. Growing tips of the plant

C. Dead cells of the plant

D. None of the above

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57.
Consider the following statements and choose the correct answer:
1. The ecosystem is a major ecological unit
2. The function of ecosystem is related to the flow of energy and the cycling of materials through the structural components of the ecosystem
3. The major functional unit of the ecosystem is the population
4. The ecosystem has historical aspects: the present is related to the past, and the future is related to the present

A. 1, 2, 3 and 4 are true

B. Only 2 and 4 are true

C. Only 1 and 3 are true

D. Only 1, 3 and 4 are true

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58.
Puccinia is a parasitic

A. plant

B. animal

C. algae

D. fungus

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59.
The steps of dark reactions are

A. regeneration ⟶ carboxylation ⟶ reduction

B. reduction ⟶ oxidation ⟶ hydrogenation

C. carboxylation ⟶ reduction ⟶ regeneration

D. reduction ⟶ carboxylation ⟶ regeneration

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60.
Which of the following is known as a dormancy phytohormone?

A. Ascorbic acid

B. Abscisic acid

C. Indole acetic acid

D. Gibberellic acid

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

51. Agrosan GN, Ceresan and Tillex give perfect control to seed-borne diseases, like

Answer & Solution

52. In the microspores, at certain places, the exine remains unthickened or missing and these places are known as

Answer & Solution

53. Most of the oxygen on earth is produced by

Answer & Solution

54. There is a complete absence of amphibians in which of the following biomes?

Answer & Solution

55. A body that changes position in the cell or plant organ or part as a direct consequence of the change in direction of the axis of an organ with reference to the direction of the force of gravity is called as

Answer & Solution

56. The highest concentrations of auxin are found in the

Answer & Solution

Answer & Solution

58. Puccinia is a parasitic

Answer & Solution

59. The steps of dark reactions are

Answer & Solution

60. Which of the following is known as a dormancy phytohormone?

Answer & Solution

Read More Section(Plant Anatomy and Physiology)

51.
Agrosan GN, Ceresan and Tillex give perfect control to seed-borne diseases, like

52.
In the microspores, at certain places, the exine remains unthickened or missing and these places are known as

53.
Most of the oxygen on earth is produced by

54.
There is a complete absence of amphibians in which of the following biomes?

55.
A body that changes position in the cell or plant organ or part as a direct consequence of the change in direction of the axis of an organ with reference to the direction of the force of gravity is called as

56.
The highest concentrations of auxin are found in the

58.
Puccinia is a parasitic

59.
The steps of dark reactions are

60.
Which of the following is known as a dormancy phytohormone?