The prime source of chlorofluorocarbons is:

• Vehicular emissions

• Industrial effluents

• Domestic sewage

• Domestic sewage

Penicillin obtained from a fungus is:

• Antibiotic

• Antiseptic

• Antibody

• Antibody

Marine fish when placed in tap water bursts because of:

• Endosmosis

• Exosmosis

• Diffusion

• Diffusion

4.

Surgical method of sterilisation in a woman involves cutting and tying of:

• Ureter

• Uterus

• Urethra

• Urethra

Synthesis phase in the cell cycle is called so, because of the synthesis of
more:

• RNA

• RNA and proteins

• DNA

• DNA

Name the following:
The process by which root hairs absorb water from the soil.

Name the following:
The organ which produces urea.

Name the following:
The kind of lens required to correct Myopia.

Name the following:
The pituitary hormone which stimulates contraction of uterus during child birth.

Name the following:
The international health organisation which educates people in accident
prevention.