| ⇦ | 
| ⇨ |
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: - Which one of the following is the characteristic of epithelial tissues
- Which of the following blood group is a universal recipient in blood transfusion?
- Removal of hydrogen and CO₂ from a substrate is called
- An organism used as a biofertilizer for raising soyabean crops is
- The enzyme recombinase is required at which stage of meiosis:
Topics: Reproduction In Plants
(48)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which one of the following is the characteristic of epithelial tissues
- Which of the following blood group is a universal recipient in blood transfusion?
- Removal of hydrogen and CO₂ from a substrate is called
- An organism used as a biofertilizer for raising soyabean crops is
- The enzyme recombinase is required at which stage of meiosis:
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
Leave a Reply