In addition to rock particles, the soil contains.
- AAir and water.
- BMinerals.
- ✓Minerals, organic matter air and water.
- DOrganic matter.
Answer: C.
View full solution →Question types
Soil question types
297 questions across 7 question groups — pick any mix to generate a Science paper with step-by-step answer keys.
297
Questions
7
Question groups
5
Question types
01
MCQ (1 Marks)
143 Q→02True False[1 Marks ]
12 Q→03Fill In The Blanks With Correct Alternative.[1 Marks Each]
12 Q→041 Marks Question
63 Q→052 Marks Questions
26 Q→063 Marks Question
24 Q→075 Marks Questions
17 Q→Sample Questions
Soil questions
One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
Which of the following type of soil will form a colloidal solution when suspended in water?
- ✓Clay
- BSilt
- CSand
- DGravel
Answer: A.
View full solution →Humus is present in:
- ABad rock
- BGravel
- ✓Topsoil
- DSubsoil
Answer: C.
View full solution →Sandy soils are found in:
- AHilly areas
- BTropical region
- CDeserts
- ✓Polar region
Answer: D.
View full solution →The rotting dead matter in the soil is called $.........$
- ✓Humus.
- BSalt.
- CSugar.
- DProtein.
Answer: A.
View full solution →Topsoil contains humus. True/ False
Loamy soil also contains humus, and is, therefore, considered the best for the growth of plants. True/ False.
Waste products and chemicals should be treated before they are released into the soil. True/ False.
A-horizon is also known as subsoil. True/ False
Erosion of soil is more severe in the barren land. True/ False
Substance like $.........$ and $.........$ pollute the agricultural soil.
View full solution →Each layer of soil differs in feel $($texture$)$, colour, depth and $.........$
View full solution →Middle layer of soil contains less amount of $.........$
View full solution →Fill in the Blank. Clay is the $.........$ rock particle.
View full solution →Fill in the Blank. Soil contains $........., .........$ and countless $.........$ organisms.
View full solution →Plants help the development of the soil. How?
Name the layer of soil having lesser amount of humus but more of minerals.
Name the process by which soil is formed.
When we add some dry soil to the water in a glass and stir it, bubbles are observed from the soil. What causes these bubbles to raise?
Give the formulae for percolation rate.
What is physical weathering?
Locate the following zones given as boxed items in figure which shows a diagram of soil profile. Topsoil, subsoil, C-horizon, bedrock.
Sonia conducted an experiment in the field related to the rate of percolation. She observed that it took 60 minutes for 360ml of water to percolate through the soil sample, calculate the rate of percolation.
Differentiate between alluvial soil and mountain soil.
What are the constituents of soil?
Is it a good practice to remove grass and small plants that are growing in an open, unused field? Give reason to support your answer.
How is clayey soil useful for crops?
Describe the different type of soil.
A man digging a pit found that he could dig with ease initially but digging became difficult as he went deeper. He could not dig beyond a depth of $5$ feet. Provide a suitable scientific explanation.
View full solution →Explain how soil is formed.
Explain through an activity that soil has moisture in it.
Match the animals in Column $I$ with their natural place of dwelling (habitat) in Column $II.$
View full solution →|
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Column $I$
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Column $II$
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$(a)$
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Earthworm
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$(i)$
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sand and beaches
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$(b)$
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Garden lizard
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$(ii)$
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burrows in soil
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$(c)$
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Crab
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$(iii)$
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deep, narrow holes in dry soils
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$(d)$
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Rodents
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$(iv)$
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surface of soil
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$(e)$
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Scorpion
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$(v)$
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surface of shaded moist soils
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$(f)$
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Snails and lungs
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$(vi)$
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a horizon of moist soils
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Match the items in Column $I$ with those in Column $II:$
View full solution →|
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Column $I$
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Column $II$
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$(i)$
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A home for living organisms
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$(a)$
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Large particles
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$(ii)$
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Upper layer of the soil
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$(b)$
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All kinds of soil
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$(iii)$
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Sandy soil
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$(c)$
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Dark in colour
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$(iv)$
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Middle layer of the soil
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$(d)$
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Small particles and packed tight
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$(v)$
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Clayey soil
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$(e)$
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Lesser amount of humus
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Design an activity to show the soil erosion on a barren land.
Explain different types of soil found in India.
Generate a Soil paper free
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