The seed of a dicot plant is preferred over a monocot plant to observe seed structure as it shows : (a) proper separation of cotyledons. (b) distinct embryonic axis. (c) presence of plumule. (d) presence of epicotyls.

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Solution

(a) proper separation of cotyledons.

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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.

Q. Which of the given statements are true?
(i) During the development of a dicot embryo, heart-shaped embryo is followed by globular embryo.
(ii) The part of embryonal axis above the level of cotyledons is epicotyl, while the part below the level of cotyledons is hypocotyl.
(iii) Monocot seeds possess a single cotyledon represented by scutellum.

Q. State the function of plumule and cotyledon of embryo of a dicot seed.

Q. Dicot plants have two cotyledons in a seed. In monocot, the first cotyledon is called scutellum while the second cotyledon is rudimentary and is called

In the seeds of dicots, the portion of embryonal axis, which lies above the level of cotyledons, is known as

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