1. Which one of the following is biodegradable?
[a] DDT     
[b] Paper
[c] Plastic 
[d] Aluminium

2. Centre for DNA finger printing in India is located at
[a] Pune
[b] Hyderabad
[c] Mumbai
[d] Udaipur

3. In elephants which teeth grow into tuskers ?
[a] Incisors of the lower jaw
[b] Incisors of the upper jaw
[c] Canines of the lower jaw
[d] Canines of the upper jaw

4. Which one of the following system of the body is attacked by HIV?
[a] Reproductive
[b] Immune
[c] Digestive
[d] Nervous

5. The branch of science dealing with the improvement of human race is
[a] Ecology
[b] eugenics
[c] Euphenics
[d] Zoology

6. Water gas is a mixture of
[a] Carbon Dioxide  & Water
[b] Carbon Monoxide & Hydrogen
[c] Carbon Dioxide & Hydrogen
[d] Carbon Monoxide & Nitrogen

7. Which of the following is Glauber’s Salt?
[a] Na₂CO₃.10H₂O
[b] Na₂SO₄.10H₂O
[c] K₂CO₃.10H₂O
[d] K₂SO₄.1OH₂O

8. The metal present in Chlorophyll is
[a] Zinc
[b] Iron
[c] Magnesium
[d] Manganese

9. The acid which is called “Aqua Fortis” is
[a] Sulphuric Acid
[b] Phosphoric Acid
[c] Carbonic Acid
[d] Nitric Acid

10. The compound which is known as Inorganic Benzene is
[a] Borazole 
[b] Diborane
[c] Borax
[d] Boron Carbide

11. The metal used in high temperature thermometry is
[a] Mercury
[b] Galium
[c] Germanium
[d] Copper

12. An antiknock agent among the following is
[a] Tetrahydrofuran
[b] DDT
[c] Tetra ethyl lead
[d] TNT

13. Which of the following is known as the Universal solvent?
[a] Water
[b] Benzene
[c] Sulphuric Acid
[d] Nitric Acid

14. Cinnabar is the ore of
[a] Lead
[b] Zinc
[c] Copper
[d] Mercury

15. Contact Process and Lead Chamber Process are used in the manufacture of
[a] Nitric Acid
[b] Ammonia
[c] Sulphuric Acid
[d] Sodium Carbonate