Available Answers

1. 1.

   Tick the correct option.

   1. What is the dispersing agent of coconut seeds?
      1. Wind
      2. Animals
      3. Water
      4. Insects
   2. What is the molecular arrangement of air?
      1. Tightly packed
      2. Loosely packed
      3. Very loosely packed
      4. None of these
   3. Which of the following is a herbivore?
      1. Tiger
      2. Cow
      3. Dog
      4. Vulture
   4. Which of the following produces unpleasant sound?
      1. Guitar
      2. Flute
      3. Piano
      4. Driller
2. 2.

   Write a difference between land breeze and sea breeze?
3. 3.

   How does reproduction through spore happen in ferns?
4. 4.

   List any three sounds you hear everyday.
5. 5.

   Define food chain. List the names of the animals in a three-step food chain.
6. 6.

   Explain the steps of fertilisation with the help of a diagram.