Available Answers

1. 1.

   Choose the correct answer.

   1. The ability of an organism to adjust itself with its surrounding is called
      1. adaptation
      2. migration
      3. accommodation
      4. hibernation
   2. The hip joint is a 
      1. hinge joint
      2. pivot joint
      3. ball-and-socket joint
      4. gliding joint
   3. The part of the brain that connects brain to the spinal cord is
      1. cerebrum
      2. cerebellum
      3. medulla
      4. thalamus
   4. A simple machine used in sewing machine is
      1. pulley
      2. wheel and axle
      3. wedge
      4. needle
   5. Deficiency of vitamin B causes
      1. scurvy
      2. rickets
      3. night blindness
      4. beri-beri
2. 2.

   Mention two measures for getting good yield from crops?

3. 3.

   What are the functions of protein in the body? (give two points)

4. 4.

   State two precautions to be taken at home for being safe.

5. 5.

   What is the difference between a first-class lever and second-class lever?

6. 6.

   Name different nerves with their functions.