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In sieve elements, the possible function...

In sieve elements, the possible function of p-proteins is

A

autolytic enzymes

B

prevent leakage of phloem exudate

C

providing energy for active translocation

D

deposition of callose on sieve plates

Text Solution

Verified by Experts

The correct Answer is:
B
When the sieve elements get disrupted, the P-proteins quickly aggregate at the sieve plate to from a clot which prevents the leakage of phloem exudates through wound.
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ARIHANT NEET-ANATOMY OF FLOWERING PLANTS -Chapter exercises ( Taking it together Assorted Questions of the Chapter for Advanced Level Practice)
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  2. The acitvity of sieve tubes is remotely controlled by the nucleus of

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  3. In sieve elements, the possible function of p-proteins is

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  9. What is the fate of primary xylem in a dicot root showing extensive se...

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  17. The oldest layer of secondary phloem in a stem lies

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  18. A cut trunk shows 26 concentric rings of spring wood and autum wood in...

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  19. Increment borer is an instrument used to count

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  20. Common features between lenticels and hydathodes are

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