| 1 |
Acute lead poisoning causes dysfunction of. |
- A. Kidney
- B. Liver
- C. CNS
- D. All of them
|
| 2 |
The heat capacity of water is greater than rocks. |
- A. 4 times
- B. 5 times
- C. 6 times
- D. 7 times
|
| 3 |
Hard water can cause. |
- A. Stomach disorder
- B. Boiler blasts
- C. Inefficiency of engine
- D. All of them
|
| 4 |
How many percentage to water contains oceans? |
- A. 67%
- B. 77%
- C. 87%
- D. 97%
|
| 5 |
Example of pest is |
- A. Weeds
- B. Herbs
- C. Insect
- D. All of them
|
| 6 |
Which element do not causes toxicity in water? |
- A. Lead
- B. Arsenic
- C. Sodium
- D. Mercury
|
| 7 |
At which temperature o water shows mxamimum density. |
- A. 0 <sup>o</sup>C
- B. 100<sup>o</sup>C
- C. 4<sup>o</sup>C
- D. -4<sup>o</sup>C
|
| 8 |
soap is the sodium salt of long chain. |
- A. Amino acids
- B. Fatty acids
- C. Nucleotides
- D. None of them
|
| 9 |
Boiling point of water is: |
- A. 0<sup>o</sup>C
- B. 25<sup>o</sup>C
- C. 80<sup>o</sup>C
- D. 100<sup>o</sup>C
|
| 10 |
Neurological damage is caused by the poisoning of. |
- A. Lead
- B. Cadimium
- C. Mercury
- D. All of them
|
