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