Tick the correct option:
1. This is the top layer of the Earth.
(a) Rock
(b) Pebbles
(c) Sand
(d) Soil
2. Earthworms and snails live in
(a) air
(b) water
(c) soil
(d) flowers
3. Soil provides nutrients to
(a) humus
(b) plants
(c) dead plants
(d) dead animals
4. This soil is sticky and mostly used for making pots.
(a) Sandy
(b) Clayey
(c) Loamy
(d) All of these
5. This is a mixture of sand, clay, and humus.
(a) Clay
(b) Gravel
(c) Sand
(d) Loam
Answer (2)
The top layer of the Earth is known as soil. Therefore, the correct option is (d) Soil.
Soil is the uppermost layer of the Earth where plants grow, and it's a mixture of minerals, organic matter, gases, liquids, and countless organisms that together support life on Earth.
Earthworms and snails live in (c) soil.
Soil provides an ideal habitat for earthworms and snails as it offers the moisture, organic material, and protection they need to thrive.
Soil provides nutrients to (b) plants.
Plants absorb nutrients and water from the soil, which are essential for their growth, development, and reproduction.
Clayey soil is sticky and mostly used for making pots. Therefore, the correct option is (b) Clayey.
Clayey soil is known for its fine particles and ability to retain water. It becomes very sticky when wet, making it ideal for shaping into pots and other ceramic items.
Loam soil is a mixture of sand, clay, and humus. Therefore, the correct option is (d) Loam.
Loam is considered the best soil for plants because it holds nutrients well, retains moisture, and drains properly, due to the balance of sand, silt, clay, and organic matter.
The correct answers are (d) Soil for question 1, (c) Soil for question 2, (b) Plants for question 3, (b) Clayey for question 4, and (d) Loam for question 5. These options highlight the importance of soil in supporting plant growth and providing a habitat for various organisms. Understanding these aspects of soil can help us appreciate its role in the environment.
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