Garbage in, garbage out Worksheet-2

Garbage in, garbage out Worksheet-2

Multiple-Choice Question:

11. With the immense cutting of trees, amount of oxygen in the atmosphere:

(a) remains same                             (b) increases

(c) decreases                                    (d) Both increases and decreases

12. Which of the following problems is not caused by noise pollution?

(a) Deafness                                     (b) diabetes        

(c) Hypertension                              (d) All of these

13. Which of the following wastes cannot be decomposed by bacteria to form compost?

(a) Dead plants

(b) Kitchen wastes

(c) Bodies of insects living in the soil

(d) Plastic and polythene bags

14. In our country, the Van Mahotsav Day is celebrated on:

(a) First of July                                 (b) First of December

(c) Second of October                     (d) Tenth of August

15. If waste materials contaminate the source of drinking water, which of the following diseases will spread?

(a) Typhoid          (b) Scurvy            (c) Anaemia         (d) Malaria

16. Air pollution is caused by:

(a) Sewage          (b) Smoke            (c) Insecticides    (d) All of these

17. Which of the following is not bio-degradable?

(a) Fruits                                           (b) Vegetables    

(c) Aluminium foil                           (d) None of these

18. The group of organisms which prepare their food with the help of light are called:

(a) Decomposers                             (b) Omnivores

(c) Heterotrophs                              (d) Autotrophs

19. Vermi composting is done by:

(a) Worms                                        (b) Bacteria

(c) Animals                                       (d) Fungus

20. Abiotic environment does not include:

(a) Soil                                              (b) Plants

(c) Water                                          (d) Air

Answer Key:

11. (c)
12. (b)
13. (d)
14. (a)
15. (a)
16. (b)
17. (c)
18. (d)
19. (a)
20. (b)