Available Answers

1. 1.

   Choose the correct answer.

   1. The outer hard covering of a seed is called
      1. cotyledon
      2. seed coat
      3. plumule
      4. radicle
   2. The process of scattering of seeds away from the mother plant is called
      1. germination
      2. pollination
      3. dispersal
      4. reproduction
   3. Carrot and sweet potato can grow new plants from their
      1. leaves
      2. stems
      3. roots
      4. seeds
   4. Cotton plant grows well in 
      1. sandy soil
      2. loamy soil
      3. black soil
      4. clayey soil
   5. The most common plants of deserts are
      1. cactus and prickly pear
      2. coconut and rubber
      3. pine and fir
      4. neem and banyan
   6. Urea, ammonium sulphate, superphosphates are some common
      1. manures
      2. fertilizers
      3. organic substances
      4. insecticides
   7. Wheat and gram are the examples of
      1. rabi crops
      2. kharif crops
      3. zaid crops
      4. none of these
2. 2.

   Define germination.
3. 3.

   What are the necessary conditions for seeds to germinate?
4. 4.

   What is the role of cotyledons in the growth of a seedling?
5. 5.

   What is vegetative reproduction.
6. 6.

   How does soil affect the growth of plants?