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