The part of seed which is a source of food during germination of seed is:
The part of seed which is a source of food during germination of seed is:
Options
The correct option is A.
Marking Scheme
- 11 mark
Hint
Identify the part of the seed that is designated as the food store for the developing embryo.
Quick Oral Answer
The cotyledon is the part of the seed that stores food and provides nutrition to the germinating embryo.
Analysis & Explanation
During the post-fertilization development in flowering plants, the ovule develops into a seed. The seed contains the future embryo which develops into a seedling under appropriate conditions (germination).
- Option A is correct because the cotyledon stores food and acts as the source of nutrition for the developing embryo during germination.
- Option B is incorrect because the radicle is the embryonic root that develops into the future root system.
- Option C is incorrect because the plumule is the embryonic shoot that develops into the future shoot system.
- Option D is incorrect because the embryo is the entire miniature plant consisting of the plumule, radicle, and cotyledon, rather than just the food-storing part.
Common Mistakes
- 1Students sometimes confuse the plumule or radicle with the food source, or select the embryo as a whole instead of the specific food-storing cotyledon.
Interesting Facts
Some seeds have a single cotyledon (monocots, like maize) while others have two cotyledons (dicots, like gram and peas) which swell up with stored nutrients.
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Frequently Asked Questions
How many marks does this question carry in CBSE Class 10 Science 2024?
This question carries 1 mark in the CBSE Class 10 Science 2024 examination.
Which chapter does this question come from in Science?
This question is from the chapter "How do Organisms Reproduce?" in the CBSE Class 10 Science syllabus.
What topic does this question cover in Science?
This question covers the topic "Structure of a Seed" from CBSE Class 10 Science.
What type of question is this in the CBSE Class 10 Science 2024 paper?
This is a MCQ question from Section A in the CBSE Class 10 Science 2024 paper.