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