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The substance which have proved very eff...

The substance which have proved very effective to induce rooting from cut end of the stem is
Or
Abscission of fruit is prevented by

A

Phenyl acetic acid

B

`alpha` - naphthalene acetic acid

C

Indole acetic acid

D

Indole butyric growth

Text Solution

Verified by Experts

The correct Answer is:
d
(d) many new plant s aare usually propapageted by stem cutiing .If we dip to the lower cut end of cutting in dilute solution of auxins (especiallt IBA) very soon large number of roots are developed on the cut ends due to which these cutting develop into successfull plants
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ERRORLESS -PLANT GROWTH AND DEVELOPMENT-Plant Growth And Development
  1. Which of the following prevents falling of fruits OR Fruit and lea...

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  2. Which of the following is not a physiological effect/ an influence of ...

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  3. The substance which have proved very effective to induce rooting from ...

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  4. Auxin originates aat the tip of the stem and controls growth elsewhere...

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  5. Which of the following effects of auxins on plants is the basis for co...

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  6. 2,4-D is a

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  7. During germination ,stem grows upward and root goes downward brcause ...

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  8. IAA and serotonin are derived (formed) from which of the following

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  9. Boioassary for auxin is

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  10. Substances which originate at the tip of the stem and controal groq=wt...

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  11. Avena coleoptilre test detects the presence of

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  12. Auxins are abundantly produced in

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  13. The preence of auxins in a solution could be tested by

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  14. In plants auxins sythesis occurs in

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

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  16. Gibberllin was first extracted from

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  17. Specific properrty attributed to gibberellins is

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  18. The hormone involved in metabolism of food matetial in cereal gain dur...

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  19. Cell elogation in iternodal region takes plaace due to

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  20. Which of the following plant hormone substtutes for long photoperiods...

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