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Which one of the following statements is wrong?
Options
(a) When pollen is shed at two-celled stage, doubled fertiliztion does not take place
(b) Vegetative cell is larger thean generative cell
(c) Pollen graints in some plants remain viable for months
(d) Intine is made up of cellulose and pectin
Correct Answer:
When pollen is shed at two-celled stage, doubled fertiliztion does not take place
Explanation:
In over 60 per cent of angiosperms, pollen grains are shed at cell 2-celled stage. In the remaining species the genrative cell divides mitotically to give rise to the two male gamets before pollen grains are shed (3-celled stage).
Related Questions: - During seed germination its stored food is mobilized
- The species confined to a particular region and not found else where is termed as:
- The characteristics and an example of a synovial joint in humans is:
- Hypersecretion of Growth Hormone in adults does not cause further increase
- Which of the following biomolecules does have phosphodiester bond?
Topics: Reproduction In Plants
(48)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- During seed germination its stored food is mobilized
- The species confined to a particular region and not found else where is termed as:
- The characteristics and an example of a synovial joint in humans is:
- Hypersecretion of Growth Hormone in adults does not cause further increase
- Which of the following biomolecules does have phosphodiester bond?
Topics: Reproduction In Plants (48)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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