| 1 |
The compounds consisting of Amino acids are called |
- A. carbohydrate
- B. Fast
- C. Proteins
- D. organic compounds
|
| 2 |
The process which increases the temperature in the temperatureis called |
- A. Photosynthesis
- B. Oxidation
- C. Greenhouse effect
- D. Evaporation
|
| 3 |
The percentage of Neon by volume is. |
- A. 0.002
- B. 0.9
- C. 0.02
- D. 0.00055
|
| 4 |
The contents of sodium in leaf tissus vary from. |
- A. 0.01 - 10%
- B. 10-15%
- C. 12-16 %
|
| 5 |
Coke is formed in the absence of.......... |
- A. Carbon
- B. Oxygen
- C. Air
- D. Hydrogen
|
| 6 |
Which Gas is essential for proteins. |
- A. Sulphur
- B. Hydrogen
- C. Nitrogen
- D. Oxygen
|
| 7 |
It is an important constituent of DNA and RNA our body |
- A. Iron
- B. Chlorine
- C. Fluorine
- D. Phosphorus
|
| 8 |
One of the essential part of all living things on the earth |
- A. carbon
- B. nitrogen
- C. hydrogen
- D. oxygen
|
| 9 |
Each day a normal man breathe............ litres of air. |
- A. 20,000 to 15,000
- B. 10,000 to 15,000
- C. 15,000 to 20,000
- D. 21,000, to 31,000
|
| 10 |
The percentage of nitrogen in air is |
- A. 76%
- B. 77%
- C. 78%
- D. 79%
|
