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