Wednesday, 24 February 2021

CBSE Class 8 Science - MCQ and Online Tests - Unit 7 - Conservation of Plants and Animals

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: (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: (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: (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: (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: (b) Photosynthesis

Question 6.
The reduction in rainfall could cause
(a) droughts
(b) cold
(c) greenery
(d) none of these


Answer: (a) droughts

Question 7.
The removal of top layer of soil leads to
(a) desertification
(b) rainfall
(c) snowfall
(d) deforestation


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: (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: (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: (c) Pachmarhi Biosphere Reserve

Question 11.
The clearing of forests is referred to as
(a) reforestation
(b) desertification
(c) deforestation
(d) sanitation


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: (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: (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: (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: (a) biosphere reserves

Question 16.
The Pachmarhi Biosphere Reserve consists one national park named
(a) bori
(b) satpura
(c) anand
(d) dudhwa


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: (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: (a) flora

Question 19.
The animal found in a particular area are termed as
(a) flora
(b) fauna
(c) dogs
(d) humans


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: (b) global warming



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