Which one of the following statements is wrong? When pollen

⇦

⇨

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:

1. The okazaki fragments in DNA chain growth
2. Meristematic tissue responsible for increase in girth of tree trunk is
3. The three germinal layers of the gastrula gives rise to
4. Select the correct option Direction of RNA synthesis – Direction of reading
5. In genetic engineering which is used for transfer of genes from one cell to another

Topics: Reproduction In Plants (48)
Subject: Biology (4253)

---

Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score

18000+ students are using NEETLab to improve their score. What about you?

Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.

---

Share this page with your friends