Q. The major constituent of air is -
1) Oxygen
2) Carbon dioxide
3) Nitrogen
4) Hydrogen
Q. Which among the following is not a renewable source of energy ?
1) Wind energy
2) Ocean energy
3) Solar energy
4) Fossil energy
Q. Biodegradable wastes can be employed to produce -
1) manure
2) biogas
3) both manure and biogas
4) Neither manure nor biogas
Q. The result of the ozone hole is -
1) Green house effect
2) Global warming
3) Acid rain
4) Increased UV radiation
Q. The most rapidly dwindling natural resource in the world is -
1) water
2) forest
3) wind
4) sunlight
Q. Which of the following is a greenhouse gas?
1) Sulphur dioxide
2) Nitrogen dioxide
3) Carbon dioxide
4) Carbon monoxide
Q. Super Nova is -
1) an asteroid
2) a black hole
3) a comet
4) a dying star
Q. Acid Rain was invented by -
1) Robert Angum Smith
2) Robert Miles
3) Robert Dillong
4) Robert Brown
Q. The vital capacity of the lungs is measured by -
1) Sphygmomanometer
2) Barometer
3) Thermometer
4) Spirometer
Q. Moisture test is applicable on which fiber?
1) Cotton
2) Rayon
3) Asbestos
4) Glass
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