Which one of the following statements is wrong? When pollen

Which One Of The Following Statements Is Wrong Biology Question

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 inner space of the mitochondria incompletely partioned by folds of inner
  2. Two kingdom system was replaced by five kingdom In the year
  3. The two functional groups characteristic of sugars are
  4. Failure of descent of testis in scrotal sacs is called
  5. In humans which among these is not a step in respiration

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.

NEETLab Mobile App

Share this page with your friends

Be the first to comment

Leave a Reply

Your email address will not be published.


*