CBSE 2025 · Region 1 · Set 2 · Q13 · 1 mark
Assertion (A) : Perisperm is a diploid tissue.
Reason (R) : Perisperm is the remains of nucellus which surrounds the embryo in certain seeds.
Official answer
From CBSE’s own marking scheme for this paper.
(A)
Both (A) and (R) are true and (R) is the correct explanation of (A).
Sexual Reproduction in Flowering PlantsPost-fertilisation : Structures and EventsUnderstandassertion_reasonmedium
Practice Sexual Reproduction in Flowering Plants →All Sexual Reproduction in Flowering Plants questions
More from Sexual Reproduction in Flowering Plants
- Choose the option that gives the correct number of pollen grains that will be formed after 325 microspore…2026 · asked 5×
- Explain the process of the development of a male gametophyte in an angiosperm. Why is it called a male…2023 · asked 3×
- Given below are stages of embryo sac formation from megaspore mother cell. Identify the correct option for…2026 · asked 3×
- Given below is a flower with its characteristic features specialised for the most common type of abiotic…2025 · asked 3×
- (i) Explain the structure of a typical monocotyledonous embryo of a flowering plant. (ii) How are multiple…2025 · asked 3×
- The following question is based on pollination. Study the figures carefully and answer the questions that…2025 · asked 3×
- Select the option that shows the correctly identified 'U', 'X', 'Y' and 'Z' in a developing dicot embryo.2023 · asked 3×
- "Farmers prefer apomictic seeds to hybrid seeds." Justify giving two reasons. OR Mention one advantage and…2024 · asked 3×
CBSE Class 12 Biology past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.