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ICSE Class 6 Biology Question 14 of 15

The Flower — Question 10

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Question

Question 8

The three conditions necessary for germination of seeds are (tick the correct answer):

  1. Oxygen, suitable temperature and water.
  2. Good soil, water and air.
  3. Good soil, suitable temperature and light.
  4. Light, oxygen and temperature.
  5. Oxygen, carbon dioxide and light.
Answer

Oxygen, suitable temperature and water

Reason — Seeds need water for germination as most chemical reactions occur in water. Oxygen is required to oxidize the stored food and release energy required for the growth of the embryo. Suitable temperature is necessary for germination of seeds because enzymes are inactive at low temperatures and get destroyed at higher temperatures.