Biology · HSEXUAL REPRODUCTION IN FLOWERING PLANTS
हिन्दीTo study in vitro pollen germination under a microscope, pollen grains from flowers such as pea, chickpea, balsam, and Vinca are dusted on a glass slide containing a drop of:
Correct answer · Option 2
About 10% sugar solution
Explanation
NCERT specifies that dusting pollen grains onto a glass slide containing a drop of about 10 per cent sugar solution leads to pollen tube emergence after 15–30 minutes.