The condition in which the upper surface of leaf or bud shows more growth as comaored to lower surface is called

1. hyponasty
2. epinasty
3. nutation
4. haptonastic
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Answer: B
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If the bud remain close for a more time then what type of movement will you predict

1. epinasty
2. hyponasty
3. nutation
4. haptonastic
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Answer: B
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The mode of growth in which tip of young stem move in zigzag fashion

1. hyponasty
2. epinasty
3. nutation
4. photonasty
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Answer: C
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Non directional movements of plant parts in response to external stimulus

1. Nastic movements
2. photonasty
3. nutation
4. tropic movement
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Answer: A
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Differntial growth is due to which type of movement

1. nastic
2. Nyctinasty
3. thermonasty
4. tropic movement
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Answer: B
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Movement in rosponse to contact is known as

1. nyctinasty
2. photonasty
3. Haptonasty
4. geotropism
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Answer: C
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Which enzyme is responsible for positive gravitropism of root and negative gravitropism for shoot

1. Auxins
2. abscisins
3. gibberellins
4. All
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Answer: A
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Hyponasty is mainly due to which enzyme

1. Auxin
2. abscisins
3. gibberellins
4. none
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Answer: C
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Epinasty is due to which enzyme

1. auxins
2. abscisins
3. gibberellins
4. none
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Answer: A
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Earthworms posses which type of skeleton

1. exoskeleton
2. endoskeleton
3. hydrostatic skeleton
4. gastrovascular cavity
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Answer: C
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