Blood clotting happens in which part of human body?

1. 1. Veins
   2. Heart
   3. Brain
   4. None of these

Newspaper can be recycled _____.

1. 1. 5 to 7 times
   2. 5 times
   3. 4 times
   4. None of these

The blue color of sky is due to _____.

1. 1. Rayleigh scattering
   2. Mie scattering
   3. Sky saturation
   4. None of these

Phosphorus helps plant growth of _____.

1. 1. Leaves
   2. Seeds
   3. Root
   4. None of these

Plaster of Paris is obtained from _____.

1. 1. Brochantite
   2. Gypsum
   3. Chalcanthite
   4. None of these

Rader receives waves called _____.

1. 1. Electromagnetic Waves
   2. Mechanical waves
   3. Radio waves
   4. None of these

Stone used in whitewash _____.

1. 1. Claystone
   2. Stonelime
   3. Sandstone
   4. None of these

Sonar is used to measured _____.

1. 1. The speed of sound
   2. Ocean depth
   3. Water properties of temperature
   4. None of these

The branch of physics which deals with the atomic nuclei is called _____.

1. 1. Nuclear physics
   2. Atomic physics
   3. Particle physics
   4. Modern physics

The longest and largest bone in the human body is _____.

1. 1. Spinal Cord
   2. Humerus
   3. Fibula
   4. Femur