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The Avena curvature is used for bioassay...

The Avena curvature is used for bioassay of

A

Ethylene

B

ABA

C

`GA_3`

D

IAA

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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-(AIPMT(NEET Phase-1)-2016)(Conducted by CBSE on 01-05-2016)(Solved Paper)-MCQs
  1. Which one of the following statements is not true ?

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  2. Which one of the following statements is wrong

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  3. The Avena curvature is used for bioassay of

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  4. Which of the following structures is homologus to the wing of a bird?

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  5. Blood pressure in the pulmonary artery is

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  6. Fertilization in humans is practically feasible only if

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  7. In meiosis crossing over is initiated at

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  8. Chrysophytes, Euglenoids, Dinoflaegellates and Slime moulds are includ...

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  9. Lack of relaxation between successive stimuli in striated muscle contr...

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  10. Identify the correct statement on 'inhibin'.

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  11. Name the chronic respiratory disorder caused mainly by cigarette smoki...

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  12. Which of the following most appropriately describes haemophilia ?

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  13. Select the correct statement

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  14. Which of the following is required as inducer(s) for the expression of...

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  15. A tall true breeding garden pea plant is crossed with a dwarf true bre...

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  16. Which part of the tobacco plant is infected by Meloidogyne incognita?

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  17. Which of the following is not a characteristic feature during mitosis ...

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  18. Which of the following statements is not true for cancer cells in rela...

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  19. One of the major compnents of cell wall of most fungi is

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  20. Cotyledon of maize grain is called

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