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