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Hypogeal Germination

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Question

How do you distinguish between hypogeal germination and epigeal germination? What is the role of cotyledon(s) and the endosperm in the germination of seeds?

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Solution

Difference between hypogeal germination and epigeal seed sermination are as

Role of Cotyledons and Endosperm Cotyledons and endosperm contain reserved food m,marterials. When seed imbibes water, enzymes get activated, hydrolyse reserve food material and makes it available for the germinating seed.

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Q. State True or False for the following statements regarding the difference between epigeal and hypogeal germination.
1) In Epigeal germination cotyledons are pushed above the ground.
2) In Hypogeal germination cotyledons remain in the ground.
3) Epicotyl elongates faster than hypocotyl, hence cotyledons pulled above.
4) Hypocotyl elongates faster than epicotyl, hence cotyledons remain below.

Q. Write any two difference between hypogeal germination and epigeal germination.

Q. In seeds, characterised by hypogeal germination, cotyledons generally do not become green because

Q. Choose the correct match out of the following.

	List I		List II
A	Ex-albuminous seed	1	Hypocotyl grows faster
B	Epigeal germination	2	Endospermic seed
C	Albuminous seed	3	Non-endospermic seed
D	Hypogeal germination	4	Epicotyl grows faster

Q. Write the difference between epigeal and hypogeal germination.

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