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0% Class-5 - Science-Natural Resources and Calamities-1 1 / 20 What is soil erosion? A process often referred to as the greenhouse effect 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 2 / 20 Name the mineral which is used to reduce cavity. Aluminium oxide Fluorite Limestone Silicon 3 / 20 Which one of the following is not a fossil fuel? Natural gas Uranium Coal Petrol 4 / 20 Where is the largest solar plant of India located? Gujarat Odisha Rajasthan Maharashtra 5 / 20 Which of the following is an environmental consequence of floods? Dispersal of weed species All of the above Erosion of soil Release of pollutants into waterways 6 / 20 _____ is the major raw material for biogas. Cow dung Grass Mud Plant leaves 7 / 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 helps to improve water infiltration It can break down organic pollutants 8 / 20 Coal, when burnt, produces: Thermal energy Chemical potential energy Kinetic energy Electric energy 9 / 20 Terrace farming helps in: Reducing soil erosion by overgrazing Reducing soil erosion by deforestation Reducing soil erosion by using non-arable land Reducing soil erosion by water 10 / 20 A flash flood is a flood that: Occurs in urban areas Occurs suddenly and unexpectedly and for a short duration Is caused by the blocking of drains Is caused by heavy rain rather than from the flooding of a river 11 / 20 A dark-coloured substance formed from dead remains of plants and animals is called _____ Clay Gravel Humus Loam 12 / 20 The death of the last individual of a species is called Extinction Species diversity Clad Neither A nor B 13 / 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 Reducing Reusing 14 / 20 Which of the following layers of soil supports plant growth? None of the above Bedrock Subsoil Topsoil 15 / 20 Which of the following statements is false? 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 All of the above 16 / 20 A place where an earthquake originates is called the Focus Epicenter Fault Line Tsunami 17 / 20 The water holding capacity is highest in: Sandy soil Clayey soil Loamy soil None of the above 18 / 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 ii and iii both i and iii both iii only i only 19 / 20 Which out of the following is derived from the ocean waters? Bromine Sandstone Cobalt Limestone 20 / 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 Coal Tidal Wind Hydro Your score is 0% Restart quiz
Class-5 - Science-Natural Resources and Calamities-1
1 / 20
What is soil erosion?
2 / 20
Name the mineral which is used to reduce cavity.
3 / 20
Which one of the following is not a fossil fuel?
4 / 20
Where is the largest solar plant of India located?
5 / 20
Which of the following is an environmental consequence of floods?
6 / 20
_____ is the major raw material for biogas.
7 / 20
Why is organic matter (humus) an important part of soil?
8 / 20
Coal, when burnt, produces:
9 / 20
Terrace farming helps in:
10 / 20
A flash flood is a flood that:
11 / 20
A dark-coloured substance formed from dead remains of plants and animals is called _____
12 / 20
The death of the last individual of a species is called
13 / 20
_____ helps the environment by slowing down the rate at which we have to burn garbage or put it in landfills.
14 / 20
Which of the following layers of soil supports plant growth?
15 / 20
Which of the following statements is false?
16 / 20
A place where an earthquake originates is called the
17 / 20
The water holding capacity is highest in:
18 / 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
19 / 20
Which out of the following is derived from the ocean waters?
20 / 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
Your score is
Restart quiz
