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
Forest are reservoir of
  • A
    Living world
    Correct
  • B
    Carbon dioxide
  • C
    Nutrients
  • D
    Oxygen
2
Which of the following is not a wild animal?
  • A
    Tiger
  • B
    Jackal
  • C
    Goat
    Correct
  • D
    Lion
3
The forest consists of
  • A
    Micro-organisms
  • B
    Only plants
  • C
    Insects and spiders
  • D
    Plants and animals
    Correct
4
Seed develops from fertilized
  • A
    Ovary
  • B
    Pollen grains.
  • C
    Anther
  • D
    Ovule
    Correct
5
During respiration plants release and intake
  • A
    Oxygen and Carbon dioxide
  • B
    Carbon dioxide and Oxygen
    Correct
  • C
    Carbon dioxide and Nitrogen
  • D
    Oxygen and Nitrogen
6
Micro-organism act upon dead plants to form
  • A
    Wood
  • B
    Humus
    Correct
  • C
    Sand
  • D
    Mushroom
7
Pitcher plant catches
  • A
    Insects
    Correct
  • B
    Pollen
  • C
    Earthworm
  • D
    Seeds
8
Leaves bearing parallel venation have
  • A
    Stilt roots
  • B
    Tap roots
  • C
    Prop roots
  • D
    Fibrous roots
    Correct
9
Plants and animals are
  • A
    Dependent to each other
    Correct
  • B
    Plants are only dependent on animals
  • C
    Independent to each other
  • D
    Animals are only dependent on plants
10
Transpiration takes place through
  • A
    Stomata
    Correct
  • B
    Root hairs
  • C
    Stem
  • D
    Roots
11
Plants are called nature lungs as it
  • A
    Convert polluted water into clean water
  • B
    Make the soil fertile
  • C
    Purify the soil
  • D
    Convert carbon dioxide into oxygen
    Correct
12
Removal of top layer of earth crest is called
  • A
    Soil pollution
  • B
    Rehabilitation
  • C
    Soil erosion
    Correct
  • D
    Deforestation
13
Forest protect the
  • A
    Water charging
  • B
    Humus formation
  • C
    Soil erosion
    Correct
  • D
    Soil formation
14
which among the following forest animals is the smallest?
  • A
    Fox
  • B
    Bison
  • C
    Boar
  • D
    porcupine
    Correct
15
Physiological function in plants that maintain oxygen level in atmosphere are
  • A
    Translocation
  • B
    Photosynthesis
    Correct
  • C
    Respiration
  • D
    Transpiration