In some seeds, the hypocotyl as a whole elongates carrying the cotyledons and plumule out of seed and soil, this type of germination is called as _____________.

Epigeal

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Hypogeal

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Monoecious

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All of the above

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Solution

The correct option is A Epigeal
In many dicotyledons like beans, castor, and some monocotyledons, the cotyledon is pushed above the soil by rapid elongation of the hypocotyl and they function as photosynthetic organs till the establishment of the seedling. This kind of germination is known as epigeal germination. Hence option A is the correct answer.

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Similar questions

The part of a seed which grows and develops into root on germination is:
(a) cotyledon
(b) plumule
(c) follicle
(d) radicle

Q. Which of the following is the correct sequence of events happening during germination of a seed
1. The hypocotyl of the germinating seed elongates and pushes the cotyledon above ground
2. Seed absorbs water by wicking moisture through the seed coat into the seed
3.The exterior of the seed cracks open
4. The radicle emerges from the seed and forms into the root

Q. In ______________ seed germination epicotyl elongates and cotyledons lie below soil surface.

Q. An embryo of a seed consists of radicle, plumule and cotyledons.

Name the following
(a) A monocotyledonous endospermic seed.
(b) A chemical used in experiments, which absorbs oxygen.
(c) Part of the plumule above the embryonic axis of the seed.
(d) A plant which shows viviparous germination.
(e) The layer of endosperm of maize, rich in protein.
(f) A seed with folded plumule leaves.

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