Class 7 Forests Our Lifeline CBSE Questions & Answers

Class 7 · Forests Our Lifeline

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

Questions & Answers

1
Which of these plants is a shrub
  • A
    Mint
  • B
    Bougainvillea
    Correct
  • C
    Radish
  • D
    Coriander
2
Which one is an example of rare species?
  • A
    Black sheep
  • B
    Blue sheep
  • C
    Horn bill
    Correct
  • D
    Forest dog
3
Herb forms the ______________ of forest.
  • A
    Lowermost layer
    Correct
  • B
    Uppermost layer
  • C
    Middle layer
  • D
    All of these
4
Which one of the following belongs to vulnerable species?
  • A
    Blue sheep
    Correct
  • B
    Tiger
  • C
    Crocodile
  • D
    Panther
5
Which species of fauna are found in an area separated by natural and geographical barrier?
  • A
    Endemic
    Correct
  • B
    Extinct
  • C
    Epidemic
  • D
    Rare
6
Which of these plants have fibrous roots
  • A
    Maize
    Correct
  • B
    Mango
  • C
    Neem
  • D
    Teak
7
which of the following has strongest stem ?
  • A
    A creeper
  • B
    A climber
  • C
    A brush
  • D
    A tree
    Correct
8
In which layer of soil humus is found maximum?
  • A
    Top soil
    Correct
  • B
    Bottom soil
  • C
    Horizon C
  • D
    Horizon B
9
The most colourful part of flower is
  • A
    Petals
    Correct
  • B
    Stamen
  • C
    Sepals
  • D
    Pistil
10
Black, dead and decomposed parts of plant present in soil is called
  • A
    Minerals
  • B
    Top soil
  • C
    Humus
    Correct
  • D
    Soil erosion
11
Forest are called
  • A
    Green lungs
    Correct
  • B
    Blue lungs
  • C
    Brown heart
  • D
    Green skin
12
Floods can be controlled by
  • A
    Constructing homes
  • B
    Constructing temporary shelter
  • C
    Constructing pits
  • D
    Forest
    Correct
13
Microorganisms act upon the dead plants to produce
  • A
    Sand
  • B
    Wood
  • C
    Humus
    Correct
  • D
    Mushroom
14
Over grazing may cause
  • A
    Soil fertility
  • B
    Soil erosion
    Correct
  • C
    Soil pollution
  • D
    Weathering
15
Plants and animals are
  • A
    Interdependent to each other
    Correct
  • B
    Independent to each other
  • C
    All of these
  • D
    Totally difference to each other