31.The birds who cover long distances to reach another land are known as
(A) Resident
(B) Migratory bird
(C) Immobile
(D) Sedentary
32.How many tonnes of trees are needed to make one tonne of paper?
(A) 27 tonnes
(B) 17 tonnes
(C) 7 tonnes
(D) 1 tonne
33.How many times can paper be recycled?
(A) One time only
(B) Two times only
(C) Three to five times
(D) Five to seven times
34.……………..is restocking of the destroyed forests by planting new trees.
(A) Deforestation
(B) Reforestation
(C) Afforestation
(D) Both A and B
35.What is the aim of Forest Conservation Act in India?
(A) Preservation and conservation of natural resources.
(B) Meeting the basic needs of the people lining in or near the forests.
(C) Restocking of destroyed forests by planting new trees.
(D) All of the above
36.A place where animals are protected in their natural habitat is called ………..
(A) Sanctuaries
(B) National parks
(C) Wildlife Sanctuaries
(D) Protected areas
37.Species found only in a particular area is known as …………..
(A) Endemic species
(B) Endangered species
(C) Extinct species
(D) None of the above
38.Migratory birds fly to far away places because of …………change.
(A) Climate change
(B) Ambience
(C) Atmosphere
(D) Mood
39.Why is it necessary to save trees?
(A) To save water and air
(B) To save soil and temperatures
(C) To save all living organism on earth
(D) All of the above
40.……………refers to the variety of living organisms in a specific area.
(A) Biodiversity
(B) Ecosystem
(C) Both A and B
(D) None of the above
Answers:-
| 31-(B) | 32-(B) | 33-(C) | 34-(D) | 35-(D) | 36-(C) | 37-(A) | 38-(A) | 39-(D) | 40-(A) |