Choose the best answer:
1. Cholera and common cold are:
2. Which of the following are friendly microorganisms?
3. Match the correct dates.
a. World Health Day – 7th April
b. World Malaria Day – 25th April
c. World AIDS Day – 1st December
d. World Anti -Tuberculosis Day – 24th March
a. World Health Day – 7th April
b. World Malaria Day – 25th April
c. World AIDS Day – 1st December
d. World Anti -Tuberculosis Day – 24th March