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

31.
In which of the following regions, severe environmental conditions permit inhabitation by some organisms only in the resistant stages of their life cycle?

A. Ecosphere

B. Parabiosphere

C. Eubiosphere

D. Both B and C

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32.
The phenomenon of growth is immediately followed by

A. senescence

B. dedifferentiation

C. redifferentiation

D. maturation

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33.
The type of style where a disc-like swelling is found at the base of the style is known as

A. Terminal

B. Gynobasic

C. Stylopodium

D. Lateral

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34.
Consider the following statements and choose the correct answer:
1. In Oenothera type of monosporic embryo sac, the embryo develops from the micropylar megaspore of the tetrad
2. Antipodal cells are altogether absent in Oenothera type
3. The genus Trapa forms an 8-nucleate embryo sac of the Polygonurn type
4. Oenothera type of embryo sac development has been found to be a characteristic feature of the entire family Onagraceae

A. Only 1, 2 and 3 are true

B. Only 2, 3 and 4 are true

C. Only 1, 2 and 4 are true

D. 1, 2, 3 and 4 are true

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35.
Which of the following is one of the prerequisites for abscission?

A. Parthenocarpy

B. Chlorosis

C. Senescence

D. Fertilization

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36.
The chlorophyll b differs from chlorophyll a in having

A. A methyl (-CH₃) group instead of aldehyde (-CHO) group on ring II of porphyrin head

B. An aldehyde (-CHO) group instead of methyl (-CH₃) group on ring I of porphyrin head

C. An aldehyde (-CHO) group instead of methyl (-CH₃) group on ring II of porphyrin head

D. None of the above

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37.
Flower colours of red, pink, blue and purple come mainly from the pigments called . . . . . . . .

A. Carotenoids

B. Lycopene

C. Chlorophyll

D. Anthocyanins

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38.
The term 'plankton' was first introduced in 1887 by

A. V. Hensen

B. Tansley

C. Sculthrope

D. Arber

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39.
The direct or immediate effect of pollen on the character of the seed or fruit is called

A. Xenia

B. Metaxenia

C. Polyembryony

D. Pseudoeffect

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40.
Photosynthesis occurs in

A. Nucleus

B. Mitochondria

C. Chloroplast

D. Peroxisome

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

31. In which of the following regions, severe environmental conditions permit inhabitation by some organisms only in the resistant stages of their life cycle?

Answer & Solution

32. The phenomenon of growth is immediately followed by

Answer & Solution

33. The type of style where a disc-like swelling is found at the base of the style is known as

Answer & Solution

Answer & Solution

35. Which of the following is one of the prerequisites for abscission?

Answer & Solution

36. The chlorophyll b differs from chlorophyll a in having

Answer & Solution

37. Flower colours of red, pink, blue and purple come mainly from the pigments called . . . . . . . .

Answer & Solution

38. The term 'plankton' was first introduced in 1887 by

Answer & Solution

39. The direct or immediate effect of pollen on the character of the seed or fruit is called

Answer & Solution

40. Photosynthesis occurs in

Answer & Solution

Read More Section(Plant Anatomy and Physiology)

31.
In which of the following regions, severe environmental conditions permit inhabitation by some organisms only in the resistant stages of their life cycle?

32.
The phenomenon of growth is immediately followed by

33.
The type of style where a disc-like swelling is found at the base of the style is known as

35.
Which of the following is one of the prerequisites for abscission?

36.
The chlorophyll b differs from chlorophyll a in having

37.
Flower colours of red, pink, blue and purple come mainly from the pigments called . . . . . . . .

38.
The term 'plankton' was first introduced in 1887 by

39.
The direct or immediate effect of pollen on the character of the seed or fruit is called

40.
Photosynthesis occurs in