Rotation of crops decreases the fertility of the soil.
Question types
Properties of Natural Resources question types
95 questions across 9 question groups — pick any mix to generate a Science paper with step-by-step answer keys.
95
Questions
9
Question groups
5
Question types
01
Write True or False, correct and rewrite the false statements.
14 Q→02Do as instructed
2 Q→03Answer the following questions:[1 M]
8 Q→04Fill in the blanks
30 Q→05Give scientific reasons:
11 Q→06Answer the following questions: [2 M]
16 Q→07Do as instructed:[2 M]
5 Q→08Answer the following questions:[3 M]
7 Q→09Match the following.
2 Q→Sample Questions
Properties of Natural Resources questions
One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
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Water is lighter than ice.
The density of substance is the inter-relation between the volume and mass of a substance.
Kerosene is a universal solvent.
The colour of soil near land surface is darker than the colour of the lower layers.
What will happen if…
Only one crop is grown repeatedly in the soil.
Only one crop is grown repeatedly in the soil.
What will happen if…
The amount of water vapour in the air increases.
The amount of water vapour in the air increases.
Which soil is suitable for cultivation? Why?
What is the water holding capacity of silt soil?
Why is it easy to plough sandy soil?
Why is it difficult to plough clay soil?
Why is it easier to swim in the sea than in a well or a lake?
…………… soil is easy to plough but less fertile.
When rays of light fall on fine particles of air, the particles spread light in all the directions, this is called …………… of light.
Swedish Scientist …………… put forth the important principle that the pressure of air decreases when its velocity increases.
Under ordinary conditions atmospheric pressure at sea level is …………… Newtons per square mater.
The excess of water vapour during the night or dawn is transformed into ………….. .
China clay is used for making crockery.
Sandy soil is less fertile.
It is easier to swim in the sea than in a well or a lake.
In cold countries aquatic animals remain alive even after the rivers or lakes freeze in water.
Ice floats on water.
What is Bernoulli’s principle?
What is atmospheric pressure?
Why should a glass bottle completely filled with water never be kept in a freezer?
What is the importance of air in transmission of sound?
What is the need and importance of soil testing from the point of view of farmers?
Why is the said that –
There is no alternative to water for cleaning purposes.
There is no alternative to water for cleaning purposes.
Why is the said that –
Water is a universal solvent.
Water is a universal solvent.
Why is the said that –
Air is a homogeneous mixture of various gases.
Air is a homogeneous mixture of various gases.
Explain the picture in your own words.
Explain the picture in your own words.
Explain the types of soil on the basis of its texture.
In cold countries how do aquatic animals remain alive even after the rivers or lakes freeze in winter.
Dip an uncorked inverted empty bottle in a slanting position into the water in a wide container. What do you observe?
What is the effect of increased temperature on the pressure of air?
Name and explain some useful types of soil.
| Column ‘A’ | Column ‘B’ |
| 1. Air | a. Excretion |
| 2. Water | b. Scattering of light |
| 3. Soil | c. Plasticity |
| Column ‘A’ | Column ‘B’ |
| 1. Concept of pH | a. pH higher than 7.5 |
| 2. Acidic Soil | b. pH 6.5 – 7.5 |
| 3. Neutral Soil | c. pH less than 6.5 |
| 4. Alkaline Soil | d. Sorensen |
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