Development of Female Gametophyte

Q.

Which one of the following pairs of plant structures has a haploid number of chromosomes?

1. Egg nucleus and secondary nucleus

2. Nucellus and antipodal cells

3. Egg cell and antipodal cells

4. Megaspore mother cell and antipodal cells

Q.

Which of the following is the largest cell of the female gametophyte?

1. Synergid

2. Egg cell

3. Central cell

4. Antipodal cell

Q.

Polygonum type of embryo sac is?

1. $8-$nucleate, $7-$celled

2. $8$nucleate, $8-$celled

3. $7-$nucleate, $7-$celled

4. $4-$nucleate, $3-$celled

Q.

What happens to synergids after fertilisation?

Q.

What is the composition of the embryo sac?

Q.

What stimulates growth of pollen tube?

Q.

Amoeba uses the process of --------- to divide.

Q.

What Is Differential Compartmentalization Of Oocyte Cytoplasm?

Q.

The arrangement of the nuclei in a normal embryo sac in the dicot plants is:

1. 2+4+2

2. 3+2+3

3. 2+3+3

4. 3+3+2

Q. Which of the following sets represents the egg apparatus in angiosperms?

1. Ovum and antipodals
2. Ovum and synergids
3. Ovum, synergids and polar nuclei
4. Ovum, antipodals and synergids

Q. Filiform apparatus is a characteristic feature of -

1. generative cell
2. vegetative cell
3. egg cell
4. synergids