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

71.
Consider the following statements and choose the correct answer:
1. For the development of viable seeds the double fertilization is very necessary
2. The net result of double fertilization is the formation of endosperm from the triploid nucleus
3. In Angiosperms very free nuclear divisions take place as in Gymnosperms
4. The endosperm nucleus has both maternal and paternal characters showing physiological importance like hybrid vigour

A. Only 1, 2 and 3 are true

B. Only 2, 3 and 4 are true

C. Only 1, 3 and 4 are true

D. Only 1, 2 and 4 are true

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72.
Organisms, both resting and swimming types, that are confined to the water surface are known as

A. Nektons

B. Neustons

C. Planktons

D. All of the above

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73.
According to Hutchinson, the totality of biotic and abiotic factors to which a given species is uniquely adapted is known as

A. Ecosystem

B. Ecological factor

C. Ecological niche

D. None of the above

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74.
Of the elements of the flora of India, which of the following is dominant?

A. Malayan

B. Australian

C. African

D. Tibetan

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75.
The process of occupation of a particular area by different plant communities from their birth to maturity is known as

A. Plant formation

B. Plant succession

C. Faciation

D. Community complex

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76.
Which of the following plants can be propagated when planted in soil?

A. Tinospora

B. Colocasia

C. Gladiolus

D. Crocus

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77.
The examples of plants possessing ruminate endosperm include

A. Beetle nut

B. Passiflora

C. Antigonon

D. All of the above

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78.
On the maturation of the archegonium, which of the following disintegrate forming a mucilaginous substance?

A. Neck canal cells

B. Ventral canal cells

C. Cover cells

D. Both A and B

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79.
Match List-I with List-II and select the correct answer:

List-I List-II

a. Short-day plant 1. Nicotiana tabacum

b. Long-day plant 2. Beta vulgaris

c. Day-neutral plant 3. Pisum sativum

A. a-1, b-2, c-3

B. a-3, b-2, c-1

C. a-2, b-1, c-3

D. a-3, b-1, c-2

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80.
The sensitivity of lettuce seeds to farred irradiation increases

A. When the seeds imbibe water for 5 hours

B. When the seeds imbibe water for more than 20 hours

C. When the seeds diffuse water for more than one hour

D. All of the above

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1 2 3 4 5 6 7 8 9 10

List-I	List-II
a. Short-day plant	1. Nicotiana tabacum
b. Long-day plant	2. Beta vulgaris
c. Day-neutral plant	3. Pisum sativum

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

Answer & Solution

72. Organisms, both resting and swimming types, that are confined to the water surface are known as

Answer & Solution

73. According to Hutchinson, the totality of biotic and abiotic factors to which a given species is uniquely adapted is known as

Answer & Solution

74. Of the elements of the flora of India, which of the following is dominant?

Answer & Solution

75. The process of occupation of a particular area by different plant communities from their birth to maturity is known as

Answer & Solution

76. Which of the following plants can be propagated when planted in soil?

Answer & Solution

77. The examples of plants possessing ruminate endosperm include

Answer & Solution

78. On the maturation of the archegonium, which of the following disintegrate forming a mucilaginous substance?

Answer & Solution

79. Match List-I with List-II and select the correct answer: List-I List-II a. Short-day plant 1. Nicotiana tabacum b. Long-day plant 2. Beta vulgaris c. Day-neutral plant 3. Pisum sativum

Answer & Solution

80. The sensitivity of lettuce seeds to farred irradiation increases

Answer & Solution

Read More Section(Plant Anatomy and Physiology)

72.
Organisms, both resting and swimming types, that are confined to the water surface are known as

73.
According to Hutchinson, the totality of biotic and abiotic factors to which a given species is uniquely adapted is known as

74.
Of the elements of the flora of India, which of the following is dominant?

75.
The process of occupation of a particular area by different plant communities from their birth to maturity is known as

76.
Which of the following plants can be propagated when planted in soil?

77.
The examples of plants possessing ruminate endosperm include

78.
On the maturation of the archegonium, which of the following disintegrate forming a mucilaginous substance?

79.
Match List-I with List-II and select the correct answer:

List-I List-II

a. Short-day plant 1. Nicotiana tabacum

b. Long-day plant 2. Beta vulgaris

c. Day-neutral plant 3. Pisum sativum

80.
The sensitivity of lettuce seeds to farred irradiation increases