Class 7 Soil CBSE Questions & Answers

Class 7 · Soil

This is Science Class 7 Soil CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Humus makes the soil
  • A
    Soft and impermeable
  • B
    Fertile and provide nutrients
    Correct
  • C
    Red and infertile
  • D
    Infertile and provide water
2
_____________ soil is not suitable for cultivation as is does not retain water.
  • A
    Alluvial
  • B
    Mountain
  • C
    Desert
  • D
    Sandy
    Correct
3
Different plants are grown in different localities because
  • A
    Food habit
  • B
    Seasonal change
  • C
    Local factor
  • D
    Nutritional requirement
    Correct
4
Soil erosion is caused by
  • A
    Wind and water
    Correct
  • B
    Animals and insects
  • C
    Weathering
  • D
    Human and other animals
5
The soil containing greater proportion of big particles
  • A
    Alluvial soil
  • B
    Desert soil
    Correct
  • C
    Black soil
  • D
    Laterite soil
6
Falling of tree for human habitation and industrialisation is called
  • A
    Acclamation
  • B
    Dissertation
  • C
    Deforestation
    Correct
  • D
    Reforestation
7
Uppermost layer of soil profile is
  • A
    A-horizon
    Correct
  • B
    C-horizon
  • C
    O-horizon
  • D
    B-horizon
8
The soil which is good for growing plants is
  • A
    Laterite soil
  • B
    Alluvial soil
  • C
    Desert soil
  • D
    Loamy soil
    Correct
9
Alluvial soil is best suited for cultivation of
  • A
    Rice, wheat and sugarcane
    Correct
  • B
    Maize, pea and gram
  • C
    Tea and rubber
  • D
    Rice, tea and gram
10
Clayey soil is suitable of soil because
  • A
    It has very fine sand particle
  • B
    It has large particle size
  • C
    It has good water holding capacity
    Correct
  • D
    It has humus in large quantity
11
Which type of soil has very little water holding capacity?
  • A
    Loamy soil
  • B
    Clayey soil
  • C
    All of these
  • D
    Sandy soil
    Correct
12
Soil erosion can not be prevented by
  • A
    Overgrazing
  • B
    Keeping field unused
  • C
    Planting tree
  • D
    Crop rotation
    Correct
13
Soil is a mixture of ____________ and humus.
  • A
    Earthworm
  • B
    Rock particles
    Correct
  • C
    Organic mater
  • D
    Dead plants
14
How many essential elements are required for normal growth of green plants?
  • A
    16
    Correct
  • B
    19
  • C
    6
  • D
    56
15
Planting of more tree is called
  • A
    Aforestation
    Correct
  • B
    Habitat
  • C
    Deforestation
  • D
    Plantation