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

81.
Many of the germination inhibitors may be leached out of one plant and may inhibit the growth or seed germination of a plant from another species. Plants that exhibit this kind of competitive behaviour are said to be

A. Homeopathic

B. Allelopathic

C. Biopathic

D. Allopathic

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82.
Before maturation, each crop plant requires a certain number of "etfective heat units" - this is called

A. Heat unit constant

B. Photo constant

C. Quantum constant

D. Thermal constant

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83.
Coenzyme Q (CoQ) functions as a mobile electron carrier between

A. Flavoproteins and quinones

B. Plastocyanin and flavoproteins

C. Flavoproteins and cytochromes

D. Sulphur proteins and cytochrome b₆

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84.
Which of the following are examples of kharif crops?

A. Barley, gram, rice and mustard

B. Maize, sesamum, cotton and tobacco

C. Maize, gram, cotton and mustard

D. Barley, sesamum, cotton and mustard

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85.
At the time of germination the exosporium ruptures and the endosporium grows out in the form of a short tubular hyphae, called the

A. Infection thread

B. Epibasidium

C. Hypobasidium

D. Trichogyne

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86.
The formation of 3-PGA from glycolic acid, glyoxylic acid, glycine and serine is referred to as

A. HMP pathway

B. Hatch and slack pathway

C. EMP pathway

D. Glycolate pathway

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87.
Maximum germination is achieved if

A. The seeds are kept at a cool temperature before being irradiated with red light and at a relatively high temperature for a period of time after being irradiated

B. The seeds are kept at a high temperature both before and after being irradiated with red light

C. The seeds are kept at a high temperature before being radiated with red light, whether or not the temperature is lowered after being irradiated

D. None of the above

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88.
In which part of the female flower does fertilisation take place?

A. Ovary

B. Stigma

C. Filament

D. Style

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89.
In which of the following plants, the pollen grains do not separate apart but remain adhered in tetrad to form "Compound pollen grains"?

A. Drosera

B. Calotropis

C. Halophila

D. Both B and C

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90.
Why are dark reactions called so?

A. They occur in darkness

B. They are not light dependent

C. They are not directly light driven

D. Both A and B

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

81. Many of the germination inhibitors may be leached out of one plant and may inhibit the growth or seed germination of a plant from another species. Plants that exhibit this kind of competitive behaviour are said to be

Answer & Solution

82. Before maturation, each crop plant requires a certain number of "etfective heat units" - this is called

Answer & Solution

83. Coenzyme Q (CoQ) functions as a mobile electron carrier between

Answer & Solution

84. Which of the following are examples of kharif crops?

Answer & Solution

85. At the time of germination the exosporium ruptures and the endosporium grows out in the form of a short tubular hyphae, called the

Answer & Solution

86. The formation of 3-PGA from glycolic acid, glyoxylic acid, glycine and serine is referred to as

Answer & Solution

87. Maximum germination is achieved if

Answer & Solution

88. In which part of the female flower does fertilisation take place?

Answer & Solution

89. In which of the following plants, the pollen grains do not separate apart but remain adhered in tetrad to form "Compound pollen grains"?

Answer & Solution

90. Why are dark reactions called so?

Answer & Solution

Read More Section(Plant Anatomy and Physiology)

81.
Many of the germination inhibitors may be leached out of one plant and may inhibit the growth or seed germination of a plant from another species. Plants that exhibit this kind of competitive behaviour are said to be

82.
Before maturation, each crop plant requires a certain number of "etfective heat units" - this is called

83.
Coenzyme Q (CoQ) functions as a mobile electron carrier between

84.
Which of the following are examples of kharif crops?

85.
At the time of germination the exosporium ruptures and the endosporium grows out in the form of a short tubular hyphae, called the

86.
The formation of 3-PGA from glycolic acid, glyoxylic acid, glycine and serine is referred to as

87.
Maximum germination is achieved if

88.
In which part of the female flower does fertilisation take place?

89.
In which of the following plants, the pollen grains do not separate apart but remain adhered in tetrad to form "Compound pollen grains"?

90.
Why are dark reactions called so?