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 the following is not a forest product?
  • A
    Sealing wax
  • B
    Rubber
  • C
    Plywood
  • D
    Kerosene
    Correct
2
Microorganisms act upon the dead plants to produce
  • A
    Sand
  • B
    Humus
    Correct
  • C
    Mushroom
  • D
    Wood
3
Trees and vegetation act as wind breakers and prevents
  • A
    Soil erosion
    Correct
  • B
    Dust storm
  • C
    Floods
  • D
    All of these
4
Quinine is obtained from
  • A
    Neem tree
  • B
    Pine tree
  • C
    Cinchona tree
  • D
    Eucalyptus tree
    Correct
5
Which is not a function of forest?
  • A
    Water cycle
  • B
    Wild life habitat
  • C
    Formation of soil
    Correct
  • D
    Balancing oxygen and carbon dioxide
6
Process of eating and being eaten is called
  • A
    Food chain
    Correct
  • B
    Food nature
  • C
    Food habit
  • D
    Food web
7
Which of the following substance is not made of forest product?
  • A
    Chair
  • B
    Window
  • C
    Polythene
    Correct
  • D
    Door
8
Which one is not obtained from plants?
  • A
    Petrol
    Correct
  • B
    Medicines
  • C
    Furniture
  • D
    Paper
9
Plants convert \({\text{C}}{{\text{O}}_{\text{2}}}\) into \({{\text{O}}_{\text{2}}}\) during
  • A
    Photosynthesis
    Correct
  • B
    Transpiration
  • C
    Translocation
  • D
    Respiration
10
Mountains appear green due to
  • A
    Presence of plants
    Correct
  • B
    All of these
  • C
    Green coloured stone
  • D
    Absence of plants
11
Branches of tall trees look like roof over the other plants in forest called
  • A
    Shadow
  • B
    Canopy
    Correct
  • C
    Pines
  • D
    Conical
12
Microorganism that convert plants and animals dead parts into humus are called
  • A
    Herbivores
  • B
    Decomposer
    Correct
  • C
    Producer
  • D
    Carnivores
13
At high altitude, Himalaya have dense forest of
  • A
    Pines
    Correct
  • B
    Cactus
  • C
    Mango
  • D
    Cycas
14
__________ are plants found in particular localities
  • A
    Amoeba
  • B
    Flora
    Correct
  • C
    Bacteria
  • D
    Fauna
15
Which part of the flowers turns into fruit
  • A
    Calyx
  • B
    Stigma
  • C
    Ovary
    Correct
  • D
    Anther