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