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Standard VI
Biology
Question

The main function of cotyledons in a seed is to _____________.
  1. Provide protection to the radicle and plumule.
  2. Help in seed germination.
  3. Supply food to the young embryo.
  4. Store food materials.

A
Help in seed germination.
B
Provide protection to the radicle and plumule.
C
Store food materials.
D
Supply food to the young embryo.
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Solution
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  • A cotyledon is part of the embryo within the seed of a plant. Often when the seed germinates or begins to grow, the cotyledon may become the first leaves of the seedling. contains protein, fats, and starches which provide energy for the developing seedling.
  • The cotyledons provide a similar function. These are the seed leaves and they also contain storage of food for the developing plant.
  • The cotyledons in some cases are major photosynthetic producers during germination.
So, the correct option is, 'help in seed germination'.

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Similar Questions
Q1

Statement 1: Embryo is represented by the plumule and radicle.

Statement 2: Cotyledon is a food storage structure in a seed


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Q2
An embryo of a seed consists of radicle, plumule and cotyledons.
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Q3
What are the functions of the following in a seed?
(a) Seed coat
(b) Micropyle
(c) Cotyledons
(d) Radicle
(e) Plumule
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Q4

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

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Q5
Assertion : The embryo which is capable to germinate should have well-developed radicle plumule and one or two cotyledons.
Reason : In the Orobanchaceae and Orchidaceae the embryo never differentiates a true radicle, plumule and cotyledons, but can germinate.

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