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Biology · HSEXUAL REPRODUCTION IN FLOWERING PLANTS

हिन्दी

For observing in vitro pollen germination under a laboratory microscope, pollen grains from plants like Vinca, Crotalaria, or balsam are dusted on a glass slide containing a drop of:

  1. 10% sucrose/sugar solution
  2. 10% alcohol solution
  3. 1% iodine solution
  4. 50% acetic acid solution

Correct answer · Option 1

10% sucrose/sugar solution

Explanation

Pollen germination is easily studied by dusting pollen grains onto a drop of about 10 per cent sugar solution on a glass slide and observing after 15–30 minutes.
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