General Science-2

1. Robert Webster is known for his work associated with which one of the following?
a. Environmental protection
b. Influenza virus
c. HIV/AIDS
d. Alzheimer

2. In which organ of the human body are the lymphocyte cells formed?
a. Liver
b. Long Bones
c. Pancreas
d. Spleen

3. Which type of pollution is caused by two-wheelers?
a. Air Pollution
b. Soil pollution
c. Air and Soil pollution
d. Water Pollution

4. Most Hazardous metal pollution of automobile exhaust is :
a. Cd
b. Hg
c. Copper
d. Lead

5. The excess discharge of fertilizers into water bodies results in:
a. Silt
b. Death of Hydrophytes
c. Eutrophication
d. Growth of fish

6. If BOD of a river water is found very high, it means water:
a. Is clean
b. Is  highly polluted
c. Is having algae
d. Contains dissolved minerals

7. Minamata disease affects the
a. Circulatory System
b. Skeletal System
c. Nervous System
d. Respiratory System

8. Chernobyl disaster was caused by a :
a. Nuclear weapon accident
b. Nuclear waste leak
c. Nuclear reactor accident
d. Nuclear test

9. Chemical which causes bone cancer and degeneration of tissue is :
a. I-131
b. Ca-40
c. I-127
d. Str-90

10. The antiknock agent added to unleaded petrol is:
a. Tetraethyl lead
b. Tetramethyl lead
c. Dibromoethane
d. Methyl tertiary butyl ether