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