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Assertion :- 2,4-D is one of the selecti...

Assertion :- 2,4-D is one of the selective weedicide.
Reason:- 2,4-D is widely used to kill dicotyledonous weeds and does not affect mature monocotyledonous plants.

A

If both assertion and reason are true and reason is the correct explanation of assertion.

B

If both assertion and reason are true but reason is not the correct explanation of assertion.

C

If assertion is true but reason is false.

D

If both assertion and reason are false.

Text Solution

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The correct Answer is:
A
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MOTION-PLANT GROWTH AND DEVELOPMENT-Exercise - 4
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  13. Assertion :- Cytokinins helps in the delay of leaf senescence. Reas...

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  14. Assertion :- Ethylene increases the yield of cucurbits. Reason:- Et...

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  15. Assertion :- ABA is stress hormone. Reason:- ABA causes abscission ...

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  17. Assertion :- Flowering in plants depends only on a combination of ligh...

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  18. Assertion :- LDPs without leaf are unable to flower. Reason:- Leave...

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  19. Assertion :- Vernalisation prevents precocious reproductive developmen...

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