Wednesday, May 29, 2013

Environmental Science Multiple Choice Questions


Introduction to environmental science multiple choice questions :
Environmental Science is a branch of science that deals with the environment. Both biotic (living) and a biotic (non-living) components together constitute our environment. Every species of plants and animals influences its environment and in turn gets influenced by it. Man is the only organism which interferes with the environment to a large extent.


environmental science multiple choice questions
environmental science multiple choice questions

Here are some important multiple choice questions along with their answers related to environmental science:

1. Biotic environment includes

(a) producers                             (b) consumers

(c) decomposers                        (d) all the above

Answer: (d) all the above

2. Decomposers include

(a) bacteria                                 (b) fungi

(c) both                                       (d) animals

Answer: (c) both

3. Abiotic environment does not include

(a) air                                          (b) water

(c) soil                                          (d) plants

Answer: (d) plants

4. Vermicomposting is done by

(a) fungus                                   (b) bacteria

(c) worms                                    (d) animals

Answer: (c) worms

5. The group of organisms which convert light into food are called

(a) autotrophs                             (b) heterotrophs

(c) decomposers                         (d) omnivores

Answer: (a) Autotrophs

6. Which one the following is not biodegradable?

(a) vegetables                             (b) fruits

(c) earthworm                              (d) aluminium foil

Answer: (d) Aluminium Foil

7. Animal(s) which is/are active at night.

(a) owl                                         (b) rat

(c) cockroach                              (d) all the above

Answer: (d) All the above

8. An animal that can tolerate the heat of the desert is

(a) rats                                        (b) camel

(c) cow                                         (d) lion

Answer: (b) camel

9. Air pollution is caused by

(a) Insecticides                    (b) Sewage

(c) Smoke                            (d) Loud speakers

Answer: (c) smoke

10. 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


11. 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

12. 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

13. Which of the following problems is not created by noise pollution ?

(a) Diarrhoea                         (b) Hypertension

(c) Deafness                          (d) Irritation

Answer: (a) Diarrhoea

14. Plants are green because of the presence of a pigment called:

(a) glucose                                 (b) nitrogen

(c) chlorophyll                            (d) oxygen

Answer: (a) chlorophyll

15. Air is composed of gases, water vapours and

(a) dust particles                             (b) rainfall

(c) snowfall                                       (d) light

Answer: (a) dust particles

16. Medicine of quinine is provided by

(a) Eucalyptus plant                            (b) aconite plant

(c) cinchona plant                               (d) money plant

Answer: (c) cinchona plant

17. Chief source of energy in environment is

(a) fire                                                     (b) moon

(c) sun                                                     (d) stars

Answer: (c) sun

18. When trees are cut, amount of oxygen

(a) decreases                                            (b) increases

(c) both (a) and (b)                                    (d) remains same

Answer: (a) decreases

19. Process through which plants reproduce:

(a) Eating                                                        (b) Evaporation

(c) Pollination                                                  (d) Condensation

Answer: (c) pollination

20. 71% of earth surface is covered with:

(a) land                                                            (b) air

(c) water                                                           (d) coal

Answer: (c) water

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