After complete exhalation the lungs of a healthy man contains a liter of gas, this quantity is known. as
1). Residual volume
2). Functional residual capacity
3). Total lung capacity
4). Dead space
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1. Greenhouse effect is caused by
2. An example of major air pollutant is
3. The substance which conducts current in the solid state is
4. The element which is commonly used in nuclear for producing electricity by nuclear fission is
5. If the length of a simple pendulum is halved then its period of oscillation is
6. Which is the purest form of iron ?
8. The chief constituent of vinegar is
9. When formaldehyde and potassium hydroxide are heated we get
10. Nuclear reactors used to produce electricity are based on