Long filamentous threads protruding at the end of a young cob of maize are:

1.	anthers	2.	styles
3.	ovaries	4.	hairs

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

In a cereal grain, the single cotyledon of the embryo is represented by:

Persistent nucellus in the seed is known as:

In some plants, the female gamete develops into an embryo without fertilization. This phenomenon is known as:

What is the fate of the male gametes discharged in the synergid?

What would be the number of chromosomes in the cells of the aleurone layer in a plant species with 8 chromosomes in its synergids?

1. 16

2. 24

3. 32

4. 8

Which one of the following is surrounded by a callose wall?

1. Microspore mother cell

2. Male gamete

3. Egg

4. Pollen grain

An example of a seed with endosperm perisperm and caruncle is:

1. cotton

2. coffee

3. lily

4. castor