| 1 |
Which fo the following is used as laughing gas? |
Nitrogen trioxide
Nitrogen dioxide
Nitrous oxide
Nitrogen tetra oxide
|
| 2 |
Which one of the following is used as a moderator in a nuclear reactor? |
Radium
Ordinary water
Thorium
Heavy water
|
| 3 |
Which fo the following is he best conductor of electricity? |
Saline water
Warm water
Cold water
Distilled water
|
| 4 |
Which gas is filled in refrigerators? |
Acetylene
Methane
Chlorofluorocharbon
Mafron
|
| 5 |
Number cells in human body are? |
35 trillion
45 trillion
55 trillion
75 trillion
|
| 6 |
Red blood corpuscles are formed in the |
Liver
Bone marrow
Kidney
Heart
|
| 7 |
Redness in blood is because of the presence of: |
Iron in haeme pigment
Aluminum in haeme pigment
Copper in haeme pigment
All of these
|
| 8 |
How many cranial nerves are there in the human brain? |
8
10
12
14
|
| 9 |
Which of these are part of your immune system? |
Red blood cells
Lymphocytes
Veins
None of these
|
| 10 |
Which of the these are parts of your immune system?
|
Red blood cells <br>
Lymphocytes<br>
Veins <br>
None of these<br>
|
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