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0% Class-5 - Science-Natural Resources and Calamities-1 1 / 20 The water holding capacity is highest in: Clayey soil Loamy soil None of the above Sandy soil 2 / 20 Why is organic matter (humus) an important part of soil? It is rich in nutrients, which is important for fertility It converts nitrogen in the air into nitrates used by plants It can break down organic pollutants It helps to improve water infiltration 3 / 20 A place where an earthquake originates is called the Fault Line Tsunami Epicenter Focus 4 / 20 A flash flood is a flood that: Is caused by heavy rain rather than from the flooding of a river Occurs in urban areas Is caused by the blocking of drains Occurs suddenly and unexpectedly and for a short duration 5 / 20 _____ helps the environment by slowing down the rate at which we have to burn garbage or put it in landfills. None of the above Recycling Reusing Reducing 6 / 20 Which one of the following is not a fossil fuel? Petrol Uranium Coal Natural gas 7 / 20 Which energy source below best fits the information in the chart? Type of energy: Advantages Disadvantages Simple to transport Air and water pollution Supply available for 250 more years Habitat destruction Wind Hydro Coal Tidal 8 / 20 Which of the following factors is/are responsible for the depletion of the world's natural resources? i. Increasing numbers of vehicles in use ii. An increase in the human population iii. The greater use of biodegradable products i and iii both ii and iii both i only iii only 9 / 20 Which of the following statements is false? All of the above Forecasts of temperature are more accurate than forecasts of rainfall Weather forecasts are more accurate in Melbourne than in Darwin Weather forecasts for a small region are more accurate than those for a large region 10 / 20 Name the mineral which is used to reduce cavity. Silicon Limestone Aluminium oxide Fluorite 11 / 20 Terrace farming helps in: Reducing soil erosion by using non-arable land Reducing soil erosion by overgrazing Reducing soil erosion by deforestation Reducing soil erosion by water 12 / 20 Which out of the following is derived from the ocean waters? Limestone Bromine Cobalt Sandstone 13 / 20 The death of the last individual of a species is called Neither A nor B Clad Species diversity Extinction 14 / 20 A dark-coloured substance formed from dead remains of plants and animals is called _____ Clay Loam Humus Gravel 15 / 20 What is soil erosion? A natural method of filtering harmful pollutants It is the process by which soil is formed A harmful process that involves the removal and transport of soil by wind and water A process often referred to as the greenhouse effect 16 / 20 Which of the following layers of soil supports plant growth? Topsoil Bedrock None of the above Subsoil 17 / 20 Coal, when burnt, produces: Chemical potential energy Kinetic energy Electric energy Thermal energy 18 / 20 _____ is the major raw material for biogas. Plant leaves Grass Cow dung Mud 19 / 20 Which of the following is an environmental consequence of floods? Erosion of soil All of the above Dispersal of weed species Release of pollutants into waterways 20 / 20 Where is the largest solar plant of India located? Maharashtra Gujarat Odisha Rajasthan Your score is 0% Restart quiz
Class-5 - Science-Natural Resources and Calamities-1
1 / 20
The water holding capacity is highest in:
2 / 20
Why is organic matter (humus) an important part of soil?
3 / 20
A place where an earthquake originates is called the
4 / 20
A flash flood is a flood that:
5 / 20
_____ helps the environment by slowing down the rate at which we have to burn garbage or put it in landfills.
6 / 20
Which one of the following is not a fossil fuel?
7 / 20
Which energy source below best fits the information in the chart? Type of energy: Advantages Disadvantages Simple to transport Air and water pollution Supply available for 250 more years Habitat destruction
8 / 20
Which of the following factors is/are responsible for the depletion of the world's natural resources? i. Increasing numbers of vehicles in use ii. An increase in the human population iii. The greater use of biodegradable products
9 / 20
Which of the following statements is false?
10 / 20
Name the mineral which is used to reduce cavity.
11 / 20
Terrace farming helps in:
12 / 20
Which out of the following is derived from the ocean waters?
13 / 20
The death of the last individual of a species is called
14 / 20
A dark-coloured substance formed from dead remains of plants and animals is called _____
15 / 20
What is soil erosion?
16 / 20
Which of the following layers of soil supports plant growth?
17 / 20
Coal, when burnt, produces:
18 / 20
_____ is the major raw material for biogas.
19 / 20
Which of the following is an environmental consequence of floods?
20 / 20
Where is the largest solar plant of India located?
Your score is
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