Megasporogenesis

Q. Which of the following is not true about microsporogenesis and megasporogenesis?

I) All the cells in the microspore and megaspore tetrad give rise to microspores and megaspores respectively.
II) Both the processes involve meiotic division.
III) One of them occurs in the ovule and the other occurs in the megasporangium.
IV) One of them results in the formation of mature embryo sac and the other results in the formation of pollen grains.

1. Only I and III are not true
2. Only III is not true
3. I, III & IV are not true
4. I and II are not true

Q. meiotic and mitotic divisions are required for the development of 7-celled, 8-nucleate embryo sac.

1. 1
2. 3
3. 5
4. 7
5. 4

Q. How many of the daughter cells obtained from a megaspore mother cell develops into a female gametophyte?

1. Four
2. Three
3. Two
4. One

Q.

Which of the following is the meiocyte in the ovule?

1. Pollen mother cell

2. Sporogenous cell

3. Megaspore mother cell

4. Archesporial cell

Q.

What is the maximum number of megaspores produced by an ovule?

1. 1

2. 2

3. 5

4. 4