Q. Germination of pollen grain on the stigma is :

Q. Germination of pollen grain on the stigma is :

1. Autogamy
2. In vivo germination
3. In vitro germination
4. In situ germination

Solution :

Correct Option : B Germination of pollen grains completes on stigma. That is, it happens in, ‘in vivo conditions’. ‘In vivo conditions’ refers to the condition where it happens in biological cell or biological conditions.