CBSE 2025 · Region 2 · Set 1 · Q24 · 2 marks
Write one function each of the following, in a seed :(i)Seed coat(ii)Cotyledon(iii)Radicle(iv)PlumuleWrite the main steps to culture yeast in the laboratory.
Write one function each of the following, in a seed :
(i)
Seed coat
(ii)
Cotyledon
(iii)
Radicle
(iv)
Plumule
Write the main steps to culture yeast in the laboratory.
Marking-scheme solution
(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.
How do Organisms Reproduce?Sexual Reproduction in Flowering PlantsRemembervery_short_answereasy
More from How do Organisms Reproduce?
- Select a pair of bisexual flowers from the following:2025 · asked 3×
- Draw labelled diagrams to show different stages of budding in Hydra.2025 · asked 3×
- (i) Write the functions of the following parts of human female reproductive system: (I) Ovary (II) Fallopian…2025 · asked 3×
- Plants like rose and banana have lost the capacity to produce:2025 · asked 3×
- (i) Identify the parts 'X' and 'Y' in the figure given below: (ii) Name the yellowish coloured structures…2025 · asked 3×
- Match Column-I with Column-II and select the correct option from the choices provided.2025 · asked 3×
- When a girl is born, the ovaries already contain thousands of immature eggs. On reaching puberty, some of…2025 · asked 3×
- Assertion: The embryo gets nutrition from the mother's blood with the help of a special tissue called…2025 · asked 3×
CBSE Class 10 Science past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.