Unit 2: Natural resources and ecosystem - Practice Quiz

1 Which of the following is an example of a non-renewable natural resource?

2 What is the primary characteristic of renewable resources?

3 Which term describes resources that are derived from living organisms, such as forests and wildlife?

4 What is the major cause of land degradation globally?

5 Deforestation generally leads to which of the following environmental problems?

6 Which movement in India is famously associated with the protection of trees and forests?

7 What is a significant social impact of constructing large dams?

8 Which agricultural practice helps in preventing soil erosion?

9 What percentage of the Earth's water is fresh water available for human use?

10 Which of the following creates a conflict over water resources between states?

11 What is the process called when fertile land becomes desert due to drought, deforestation, or inappropriate agriculture?

12 Which of the following is a problem associated with the over-exploitation of groundwater?

13 Which energy resource is obtained from the heat inside the Earth?

14 What is a major environmental concern regarding nuclear energy?

15 Which gas is the primary component of Biogas?

16 The '3Rs' principle for conservation of resources stands for:

17 Which individual action contributes most to water conservation in a household?

18 What is 'equitable use of resources' intended to ensure?

19 The term 'Ecosystem' was coined by:

20 Which of the following is an abiotic component of an ecosystem?

21 Organisms that produce their own food using sunlight are called:

22 What is the primary role of decomposers in an ecosystem?

23 Which of the following is an example of a Lotic (running water) ecosystem?

24 A forest is an example of which type of ecosystem?

25 Which is an example of an artificial (man-made) ecosystem?

26 In a food chain, the transfer of energy takes place from:

27 According to the 10% law, how much energy is transferred from one trophic level to the next?

28 A network of interconnected food chains is called a:

29 In a grassland ecosystem, a snake eats a frog, which ate a grasshopper, which ate grass. The snake is a:

30 Which ecological pyramid is always upright?

31 The pyramid of numbers in a single tree ecosystem is:

32 The pyramid of biomass in an aquatic ecosystem (pond) is generally:

33 The gradual process of change in the species structure of an ecological community over time is called:

34 Succession that begins on a bare rock where no soil exists is known as:

35 Which organisms are typically the 'pioneer species' in Xerosere (rock) succession?

36 The final, stable community in an ecological succession is called the:

37 Secondary succession occurs in which of the following areas?

38 In the hydrological cycle, the conversion of water vapor to liquid water is called:

39 Which of the following is a consequence of over-extracting minerals from the earth?

40 What is 'Jhum cultivation'?

41 Solar cells convert solar energy directly into:

42 Which of the following is an example of an estuarine ecosystem?

43 The organisms that feed on dead and decaying matter are called:

44 Hydrarch succession takes place in:

45 Energy flow in an ecosystem is always:

46 Which of the following creates the base of an ecological pyramid?

47 What is the main problem associated with monoculture forestry?

48 Which renewable energy source relies on the gravitational pull of the moon?

49 Which act serves as a framework for water conservation in India?

50 The functional aspect of an ecosystem includes: