Plant Growth and Development
Question
Question 1 : Mechanism of development was explained by
1. Hans Dietrisch
2. Spemann
3. Both
4. None
Answer
Correct Anaswer : 3
Explanation:
Both
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Question 2 : Cells of fibers and tracheids elongate during
1. Phase of cell differentiation
2. Phase of cell maturation
3. Phase of cell elongation
4. Phase of cell division
Answer
Correct Anaswer : 4
Explanation:
Phase of cell division
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Question 3 : Typical plant growth shows _________ curve.
1. S-shaped
2. J-shaped
3. I-shaped
4. Parabolic
Answer
Correct Anaswer : 1
Explanation:
Typical plant growth represents sigmoid curve.
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Question 4 : Opening of floral buds into flowers, is a type of:
1. Autonomic movement of growth
2. Autonomic movement of variation
3. Autonomic movement of locomotion
4. Paratonic movement of growth
Answer
Correct Anaswer : 1
Explanation:
Autonomic movement of growth
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Question 5 : The stage of rapid cell division just after fertilization is
1. Organogenesis
2. Gastrulation
3. Cleavage
4. Growth
Answer
Correct Anaswer : 3
Explanation:
Cleavage
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