(a) aerosols (b) sewage
(c) DDT (d) fertilizers
2. Which of the following does not cause soil erosion?
(a) wind (b) overgrazing
(c) sun (d) water
3. Acid rain is due to:
(a) combustion of fossil fuels (b) oil slick
(c) oxides of sulphur (d) nuclear wars
4. Among the most harmful non-biodegradable waste is: (a) cow dung (b) plastics
(c) garbage (d) radioactive waste
5. An example of a renewable resource is:
(a) clay t (b) sand
(c) water (d) fossil fuels
6. Which one of the following is a non-biodegradable waste? (a) manure ‘ (b) cow durig (c) plastics (d) garbage
7. The main source of water is:
(a) rivers (b) rain
(c) ponds (d) canals
8. Pollution is not caused by the use of:
(a) solar energy (b) wood
(c) petrol (d) unsaturated hydrocarbons
9. Ozone layer in the upper atmosphere is destroyed by: (a) HC1 (b) smog (c) chlorofluorocarbons (d) SO,
10. The gas associated with global warming is:
(a) C02 (b) H2S
(c) CH4 (d) S02
11. In water pollution, industries are said to be the:
(a) line sources (b) point sources
(c) area sources (d) none of these
12. Which of these is a non-renewable resource?
(a) coal (c) water
(b) forest (d) turtle
13. Which of these is biodegradable?
(a) cow dung (c) coke cans
(b) polythene (d) DDT
Answers:
1. (a); 2. (c); 3. (c); 4. (d); 5. (c); 6. (c); 7. (b); 8. (a); 9. (c); 10. (a); 11. (a); 12. (a); 13. (a).
13. Biotic environment includes
(a) producers (b) consumers
(c) decomposers (d) all the above
Answer: (d) all the above
14. Decomposers include
(a) bacteria (b) fungi
(c) both (d) animals
Answer: (c) both
15 Abiotic environment does not include
(a) air (b) water
(c) soil (d) plants
Answer: (d) plants
16. Vermicomposting is done by
(a) fungus (b) bacteria
(c) worms (d) animals
Answer: (c) worms
17. The group of organisms which convert light into food are called
(a) autotrophs (b) heterotrophs
(c) decomposers (d) omnivores
Answer: (a) Autotrophs
18. Which one the following is not biodegradable?
(a) vegetables (b) fruits
(c) earthworm (d) aluminium foil
Answer: (d) Aluminium Foil
19. Animal(s) which is/are active at night.
(a) owl (b) rat
(c) cockroach (d) all the above
Answer: (d) All the above
20. An animal that can tolerate the heat of the desert is
(a) rats (b) camel
(c) cow (d) lion
Answer: (b) camel
21. Air pollution is caused by
(a) Insecticides (b) Sewage
(c) Smoke (d) Loud speakers
Answer: (c) smoke
22. If waste materials contaminate the source of drinking water which of the following diseases will spread?
(a) Scurvy (b) Typhoid
(c) Malaria (d) Anaemia
Answer: (b) Typhoid
Environmental Science Multiple Choice Questions
23. In our country the Van Mahotsav Day is observed on
(a) Second of October (b) First of December
(c) Tenth of August (d) First of July
Answer: (d) First of July
25. Which of the following wastes cannot be decomposed by bacteria to form compost?
(a) Kitchen wastes (b) Plastic and polythene bags
(c) dead plants (d) bodies of insects living in the soil
Answer: (b) Plastic and polythene bags
26. Which of the following problems is not created by noise pollution ?
(a) Diarrhoea (b) Hypertension
(c) Deafness (d) Irritation
Answer: (a) Diarrhoea
27. Plants are green because of the presence of a pigment called:
(a) glucose (b) nitrogen
(c) chlorophyll (d) oxygen
Answer: (a) chlorophyll
28. Air is composed of gases, water vapours and
(a) dust particles (b) rainfall
(c) snowfall (d) light
Answer: (a) dust particles
29. Medicine of quinine is provided by
(a) Eucalyptus plant (b) aconite plant
(c) cinchona plant (d) money plant
Answer: (c) cinchona plant
30. Chief source of energy in environment is
(a) fire (b) moon
(c) sun (d) stars
Answer: (c) sun
31. When trees are cut, amount of oxygen
(a) decreases (b) increases
(c) both (a) and (b) (d) remains same
Answer: (a) decreases
32. Process through which plants reproduce:
(a) Eating (b) Evaporation
(c) Pollination (d) Condensation
Answer: (c) pollination
33. 71% of earth surface is covered with:
(a) land (b) air
(c) water (d) coal
Answer: (c) water
good books sir ji
ReplyDeleteplease upload hindi versions
very good questions... should update these questions as per year....
ReplyDeletei m a b.tech 1st yr stdnt..................
ReplyDeleteit's very useful for my environment studies examination,
thanks ^^
where to find more q& A like this..
ReplyDeleteReally a very nice post! It’s something I have never thought about, really, but it makes a whole lot of sense. Thanks for sharing the valuable information regarding sample question papers for teachers eligibility test
ReplyDelete.
Good n easiest question plz print dis type of questions every year!
ReplyDelete