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