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