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