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The Avena curvature is used for bioassay...

The Avena curvature is used for bioassay of

A

`GA_3 `

B

IAA

C

Ethylene

D

ABA

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The correct Answer is:
B
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Make corrections wherever you find mistake in spellings/words in the following parapraphs/sentences. (A) During the period of senescence, a gradual addition occurs in the structure and functioning of an organ or organism which is characterised by the accumulation of active metabolic materials and increase in dry weight. (B) When the movement of curvature is produced by diffused stimuli and affects the whole plant uniformly, it is of tropic type. If the curvature is produced by directional mutimuli and does not affect the whole plant, it is of nastic type. (C) Shoot elongation in some dwarf varieties and barley endosperm test are used as bioassays for auxins and Avena curvature test is used as bioassay for ethylene.

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TRUEMAN BIOLOGY-PLANT GROWTH AND DEVELOPMENT AND PLANT MOVEMENTS -MULTIPLE CHOICE QUESTIONS
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  2. Auxanometer is used to measure plant organ

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  8. During seed germination, its stored food is mobilised by

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  9. Which one o f the following plant hormone (phytomone ) Is know as a st...

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  10. A few normal seedlingd of tomato were kept in a dark room. After a few...

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  11. Dr. F. Went noted that is coleoptile tips were removed and placed on a...

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  12. Minerals known to be required in large amounts for plant growth includ...

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  13. The rate of growth of any organism follows Or Typical growth curve...

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  14. What causes a green plant exposed to the light on only one side, to be...

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  15. Auxin can be bioassayed by

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  16. The Avena curvature is used for bioassay of

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  17. You are given a tissue with its potential for differentiation in an ar...

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  18. Phytochrome is

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  19. study the four statements (A-D) given below and select the two correct...

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