Pollen tablets are available in the market for:

1.	In vitro fertilization	2.	Breeding programmes
3.	Supplementing food	4.	Ex-situ conservation

Function of filiform apparatus is to:

Non- albuminous seed is produced in:

Advantage of cleistogamy is:

1. More vigorous offspring

2. No dependence of pollinator

3. Vivipary

4. Higher genetic variability

Which one of the following statements is correct?

1. Sporogenous tissue is haploid

2. Endothecium produces the microspores

3. Tapetum nourishes the developing pollen

4. Hard outer layer of pollen is called intine

Both, autogamy and geitonogamy are prevented in:

1. Papaya

2. Cucumber

3. Castor

4. Maize

The gynoecium consists of many free pistils in flowers of:

Even in the absence of pollinating agents, seed-setting is assured in:

1. Commelina

2. Zostera

3. Salvia

4. Fig