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

1. a) Zostera
2. b) Commelina
3. c) Salvia
4. d) Ficus

Answer: b) Commelina

Explanation: Commelina is a type of flower that never opens. The pollen from the anther come in contact with the stigma of the same flower. Thus, there is an absence of external pollinators. This is termed automatic self-pollination or cleistogamy.

Also Read:

• Types of Pollination
• Cleistogamy

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