CBSE Class 8 Science – MCQ and Online Tests – Unit 7 – Conservation of Plants and Animals
Every year CBSE students attend Annual Assessment exams for 6,7,8,9,11th standards. These exams are very competitive to all the students. So our website provides online tests for all the 6,7,8,9,11th standards’ subjects. These tests are also very effective and useful for those who preparing for any competitive exams like Olympiad etc. It can boost their preparation level and confidence level by attempting these chapter wise online tests.
These online tests are based on latest CBSE syllabus. While attempting these, our students can identify their weak lessons and continuously practice those lessons for attaining high marks. It also helps to revise the NCERT textbooks thoroughly
CBSE Class 8 Science – MCQ and Online Tests – Unit 7 – Conservation of Plants and Animals
Choose the correct option.
Question 1.
Which of the following activities are prohibited in national parks, sanctuaries and biosphere reserves?
(a) Poaching
(b) Hunting
(c) Felling trees
(d) All of these
Answer
Answer: (d) All of these
Question 2.
Those species of plants and animals that are found exclusively in a particular area are termed as
(a) endemic species
(b) exclusive species
(c) particular species
(d) significant species
Answer
Answer: (a) endemic species
Question 3.
Name the areas where animals are protected from any disturbance to them and their habitat.
(a) Sanctuary
(b) Biodiversity
(c) Palaces
(d) Beach
Answer
Answer: (a) Sanctuary
Question 4.
Which of the following gases is needed by plants for photosynthesis?
(a) Oxygen
(b) Nitrogen
(c) Carbon dioxide
(d) Sulphur
Answer
Answer: (c) Carbon dioxide
Question 5.
Name the process undertaken by plants for preparing their own food.
(a) Industrialisation
(b) Photosynthesis
(c) Stealing
(d) Sterilisation
Answer
Answer: (b) Photosynthesis
Question 6.
The reduction in rainfall could cause
(a) droughts
(b) cold
(c) greenery
(d) none of these
Answer
Answer: (a) droughts
Question 7.
The removal of top layer of soil leads to
(a) desertification
(b) rainfall
(c) snowfall
(d) deforestation
Answer
Answer: (a) desertification
Question 8.
Name the sphere that supports life, and where living organisms exist.
(a) Atmosphere
(b) Lithosphere
(c) Biosphere
(d) None of these
Answer
Answer: (c) Biosphere
Question 9.
The variety of organisms living on the earth, is referred to as
(a) biodiversity
(b) food chain
(c) lithosphere
(d) relationship
Answer
Answer: (a) biodiversity
Question 10.
Name a biosphere reserve where the plants and animals are similar to those of the upper Himalayan ranges and lower western ghats.
(a) Nanda Devi Biosphere Reserve
(b) Kaziranga Biosphere Reserve
(c) Pachmarhi Biosphere Reserve
(d) Dudhwa National Park
Answer
Answer: (c) Pachmarhi Biosphere Reserve
Question 11.
The clearing of forests is referred to as
(a) reforestation
(b) desertification
(c) deforestation
(d) sanitation
Answer
Answer: (c) deforestation
Question 12.
Deforestation leads to
(a) an increase in the temperature of the earth
(b) imbalance of O2 and CO2
(c) increase in rainfall
(d) both (a) and (b)
Answer
Answer: (d) both (a) and (b)
Question 13.
The killing of animals illegally is referred to as
(a) assassinating
(b) poaching
(c) killing
(d) hunting
Answer
Answer: (b) poaching
Question 14.
Name the areas reserved for wildlife where they can freely use the habitats and national resources.
(a) National parks
(b) Sanctuary
(c) Oceans
(d) Homes
Answer
Answer: (a) National parks
Question 15.
Large areas of protected land for conservation of wildlife, plant and animal resources and traditional life of the tribals living in the area are referred to as
(a) biosphere reserves
(b) sanctuaries
(c) national parks
(d) all of these
Answer
Answer: (a) biosphere reserves
Question 16.
The Pachmarhi Biosphere Reserve consists one national park named
(a) bori
(b) satpura
(c) anand
(d) dudhwa
Answer
Answer: (b) satpura
Question 17.
The Pachmarhi Biosphere Reserve consists two wildlife sanctuaries named
(a) Bori and Pachmarhi
(b) Pachmarhi and Satpura
(c) Satpura and Bori
(d) none of these
Answer
Answer: (a) Bori and Pachmarhi
Question 18.
The plants found in a particular area are termed as
(a) flora
(b) fauna
(c) species
(d) all of the above
Answer
Answer: (a) flora
Question 19.
The animal found in a particular area are termed as
(a) flora
(b) fauna
(c) dogs
(d) humans
Answer
Answer: (b) fauna
Question 20.
An increase in the amount of carbon dioxide results in
(a) winter season
(b) global warming
(c) rainfall
(d) all of these
Answer
Answer: (b) global warming
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