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Entomophily

What is the s...

Question

What is the significance of callase enzyme for a pollen grains?

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Solution

Callose plays important roles during a variety of processes in plant development and/or in response to multiple biotic and abiotic stresses.

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Q. The exine of pollen grain is hard and resistance to enzyme action. Give reason.

Q. The exine of pollen grain is hard and resistant to enzyme action. Give reasons.

Q. Identify the pair of wrong statements.
I. Intine of pollen grains is made up of sporopollenin.
II. Pollen grains are well preserved as fossils because of the presence of sporopollenin.
III. Enzymes can degrade the organic material of the pollen grain exine.
IV. Sporopollenin can withstand high temperature, strong acids and alkali.

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