Germination, Types of germination 2 Flashcards

1
Q

Germination

A

Process when the dormant embryo in a seed begins to grow. The seed absorbs water,,swells up and the seed coat ruptures.First, the radical elongates and grows into root .Next, the plumule grows upwards and becomes shoot.

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2
Q

Radicle gives rise to

A

root

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3
Q

Plumule gives rise to

A

Shoot

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4
Q

Epigeal Germination

A

The cotyledons are pushed above the ground due to rapid elongation of the hypocotyl.

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5
Q

Hypogeal germination

A

The cotyledons remain below the soil or just on the surface of soil.

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6
Q

Rapid elongation of the hypocotyl occurs in….

A

Epigeal germination

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7
Q

Rapid elongation of the epicotyl occurs in …

A

hypogeal germination

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8
Q

Viviparous germination

A

Germination of seed while it is still attached to the parent plant and is nourished by it.

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9
Q

Example of plants showing viviparous germination

A

Rhizophora, Sonneratia, Heritiera

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