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Biology · HSEXUAL REPRODUCTION IN FLOWERING PLANTS

हिन्दी

To 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:

  1. 50% sucrose solution with dilute \( \text{HCl} \)
  2. About 10% sugar solution
  3. 1% alcohol solution
  4. Saturated salt solution

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.
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