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