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