| 1 |
Our planet earth consists of ____________ natural Spheres. |
1
4
6
8
|
| 2 |
A strange bitter smell noticed near photo copier machine is of. |
H<sub>2</sub>S
SO<sub>2</sub>
O<sub>2</sub>
O<sub>3</sub>
|
| 3 |
The sphere just above the Earth's surface is. |
Mescosphere
Stratosphere
Thermosphere
Troposphere
|
| 4 |
Which gas is not present in atmosphere? |
Nitrogen
Oxygen
Helium
Carbon dioxide
|
| 5 |
What percentage of nitrogen and oxygen is in the atmosphere. |
69%
79%
9%
89%
|
| 6 |
About 99% of atmospheric mass lies in. |
35 km
30 km
15 km
16 km
|
| 7 |
Number of vitamins in vitamin B complex is. |
10
8
6
12
|
| 8 |
Which vitamin is soluble in water? |
Vitamin A
Vitamin E
Vitamin D
Vitamin C
|
| 9 |
Rickets disease is caused by the deficiency of. |
Vitamin D
Vitamin A
Vitamin E
Vitamin C
|
| 10 |
Which diseases cause by the deficiency of vitamin E? |
Rickets
Anemia in babies
Scurvy
Night blindness
|
| 11 |
Which disease cause by deficiency of vitamin D? |
Rickets
Anemia in babies
Scurvy
Night blindness
|
| 12 |
Which of the following is fat soluble vitamin? |
Vitamin A
Vitamin E
Vitamin K
All of these
|
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