| 1 |
One gram of glucose produce abut.............. calories of energy . |
- A. 3600
- B. 3700
- C. 3800
- D. 3900
|
| 2 |
Formula showing maximum number of electrons in a shell. |
- A. n2
- B. 2n2
- C. 3n2
- D. 4n2
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| 3 |
The ... prevents food from entering the trachea. |
- A. Glottis
- B. Epiglottis
- C. Bronchi
- D. Alveoli
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| 4 |
An atm with stable elecrronic configuration can exist. |
- A. Reacts readily
- B. Can not exist
- C. Independently
- D. Combined form
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| 5 |
Valency of nitrogen is |
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| 6 |
In which type of irrigation water is distribute through netweork of pipes. |
- A. Drip irrigation
- B. Sprinkle irrigation
- C. Karez
- D. Tube well
|
| 7 |
The average life span of RBCs is. |
- A. 110 days
- B. 115 days
- C. 118 days
- D. 120 days
|
| 8 |
The particle of an atom having negative charge on it. |
- A. Electron
- B. Proton
- C. Neutron
- D. Nucleus
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| 9 |
A substance that speed up the chemical reactions is called. |
- A. Solute
- B. Solvent
- C. Solution
- D. Catalyst
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| 10 |
Chemical bond teh forms between metallic and non-metallic atoms. |
- A. Covalent
- B. Ionic
- C. Metalic
- D. None of these
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