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Science · 2025 · 2 marks
CBSE 2025 · Region 2 · Set 1 · Q24
(a) Write one function each of the following, in a seed: (i) Seed coat (ii) Cotyledon (iii) Radicle (iv) Plumule
(a)
Write one function each of the following, in a seed :
(i)
Seed coat
(ii)
Cotyledon
(iii)
Radicle
(iv)
Plumule
OR
(b)
Write the main steps to culture yeast in the laboratory.
Marking-scheme solution
(a)(i)
Protects the seed
(ii)
Food storage area of the seed/ reserve food material
(iii) Develops into root on germination of seed/future root
(iv) Develops into shoot on germination of seed/future shoot OR
(b) In a test tube take10g sugar, add $\displaystyle 100$ ml of water and a pinch of yeast granules. Keep it in warm place for $\displaystyle 1$-$\displaystyle 2$ hours.
All How do Organisms Reproduce? questions2025 question paperNCERT solutions: How do Organisms Reproduce?Practice How do Organisms Reproduce? →
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CBSE Class 10 Science past-paper question from the 2025 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.