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CBSE · Class 8 · Science

Conservation of Plants and Animals quiz

Q01
MCQ

Endemic species are those found:

(a) all over the world
(b) only in a particular area
(c) only in zoos
(d) only in water (1 mark)
Q02
MCQ

The Pachmarhi Biosphere Reserve is located in:

(a) Rajasthan
(b) Madhya Pradesh
(c) Assam
(d) Kerala (1 mark)
Q03
MCQ

The Red Data Book keeps a record of:

(a) endangered species
(b) all domestic animals
(c) only crop varieties
(d) extinct volcanoes (1 mark)
Q04
MCQ

Project Tiger was launched in India in the year:

(a) 1947
(b) 1973
(c) 1990
(d) 2005 (1 mark)
Q05
MCQ

Which of the following is not a consequence of deforestation?

(a) soil erosion
(b) floods
(c) increased rainfall
(d) rise in temperature (1 mark)
Q06
MCQ

The plants found in a particular area are together called its:

(a) fauna
(b) flora
(c) ecosystem
(d) habitat (1 mark)
Q07
MCQ

Satpura National Park is known for having some of the finest:

(a) teak
(b) rubber
(c) tea
(d) coffee (1 mark)
Q08
MCQ

Migratory birds fly to distant places mainly to:

(a) escape extreme cold and find food
(b) look for zoos
(c) avoid other birds
(d) find salt water (1 mark)
Q09
MCQ

About how many full-grown trees are needed to make one tonne of paper?

(a) 7
(b) 17
(c) 70
(d) 170 (1 mark)
Q10
MCQ

Species that no longer exist anywhere on the Earth are called:

(a) endangered
(b) endemic
(c) extinct
(d) migratory (1 mark)
Q11
Short

What is deforestation? Write two of its causes. (2 marks)

Q12
Short

What is desertification? How is it linked to deforestation? (2 marks)

Q13
Short

Give two differences between a wildlife sanctuary and a national park. (2 marks)

Q14
Short

Name two endemic plants and two endemic animals of the Pachmarhi Biosphere Reserve. (2 marks)

Q15
Short

Why should we save and recycle paper? (2 marks)

Q16
Short

What is reforestation? Why is it important? (2 marks)

Q17
Short

Why have some animals become endangered? Give two reasons. (2 marks)

Q18
Short

What is an ecosystem? Name its two kinds of components. (2 marks)

Q19
Short

Why is it important to protect the wetlands where migratory birds spend the winter? (2 marks)

Q20
Short

The rock shelters in Satpura National Park contain prehistoric paintings. Why are such sites protected? (2 marks)

Q21
Numerical

A city collects 30 tonnes of waste paper every month for recycling. If recycling 1 tonne of paper saves about 17 trees, how many trees are saved in a year? (3 marks)

Q22
Numerical

According to tiger census reports, India had about 1411 tigers in 2006, 2226 in 2014 and 2967 in 2018. Find the increase from 2006 to 2014 and from 2014 to 2018, and the percentage increase from 2014 to 2018 (to one decimal place). What do these figures suggest about Project Tiger? (3 marks)

Q23
Numerical

India's geographical area is about 32,87,000 km^2, and about 21.7% of it is under forest. Find the approximate forest area. The National Forest Policy aims to have 33% of the area under forest; how much more area would need to be covered with forest? (3 marks)

Q24
Numerical

A village plants 5000 saplings, and 80% of them survive to become trees. If each tree absorbs about 20 kg of carbon dioxide per year, how much carbon dioxide will all the surviving trees absorb in a year, in tonnes? (3 marks)

Q25
Numerical

The number of spotted deer in a sanctuary was 400 in 2020. If it increases by 10% every year because of protection, find the number in 2021 and 2022. (3 marks)

Q26
Case

Read the passage and answer the questions. The Pachmarhi Biosphere Reserve in Madhya Pradesh includes Satpura National Park and two wildlife sanctuaries, Bori and Pachmarhi. It has a rich variety of plants such as sal, teak and wild mango, and animals such as the Indian giant squirrel, the flying squirrel, bison and leopards. (i) Name the national park and the two wildlife sanctuaries in this reserve. (ii) Which of the plants and animals mentioned are endemic to the area? (iii) What is the main aim of setting up a biosphere reserve? (5 marks)

Q27
Case

Read the passage and answer the questions. In a hilly village, the forest on the slopes was cut down to grow crops and sell timber. Within a few years, the villagers noticed that heavy rain washed away the topsoil, streams became muddy, and the village was flooded more often. (i) Why did the topsoil get washed away? (ii) Why did floods become more frequent? (iii) Suggest two steps the villagers can take to improve the situation. (5 marks)

Q28
Case

Read the passage and answer the questions. A school started a "Save Paper, Save Trees" drive. Students collected old notebooks and newspapers for recycling, used both sides of every sheet, and the school sent notices by email instead of printing them. (i) Why does saving paper help save trees? (ii) Why can paper be recycled only a limited number of times? (iii) Suggest two more ways in which the school can reduce paper use. (5 marks)

Q29
Case

Read the passage and answer the questions. Every winter, thousands of migratory birds arrive at the Keoladeo National Park in Bharatpur, Rajasthan, from colder regions of the north. They stay for a few months and then return to their breeding grounds. (i) Why do these birds travel such long distances? (ii) What makes a wetland suitable for them? (iii) How can human activities near the wetland harm these birds? (5 marks)

Q30
Case

Read the passage and answer the questions. The Great Indian Bustard, a large bird of the grasslands of Rajasthan and Gujarat, is now critically endangered, with only a small number left. Many birds die by colliding with overhead power lines, and their grassland habitat is shrinking. (i) What does "critically endangered" mean? (ii) Give two reasons for the decline of this bird. (iii) Suggest two measures to save it. (5 marks)

Q31
Long/Diagram

Draw a flowchart showing the causes and consequences of deforestation. Explain how deforestation leads to global warming, lower rainfall, soil erosion and floods, and suggest three ways to prevent it. (6 marks)

Q32
Long/Diagram

Draw a labelled diagram of a biosphere reserve showing its zones. Explain the differences between a biosphere reserve, a national park and a wildlife sanctuary, giving an example of each from India. (6 marks)

Q33
Long/Diagram

Draw a concept map of the Pachmarhi Biosphere Reserve showing its protected areas, its flora, its fauna and its endemic species. Explain why such reserves are important for conserving biodiversity and the culture of local people. (6 marks)

Q34
Long/Diagram

Draw a simple food chain of a forest with grass, deer and tiger. Explain what would happen to the other members if tigers became extinct. Define endangered and extinct species, and explain the role of the Red Data Book and Project Tiger in conservation. (6 marks)

Q35
Long/Diagram

Design a labelled poster for a school campaign on conserving forests and wildlife. Explain four actions that individuals and communities can take, including reforestation and recycling of paper, and explain how each action helps. (6 marks)

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