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
Soil erosion can be prevented by plant and vegetation as they works as
  • A
    Wind causers
  • B
    Air binder
  • C
    Air pollutant
  • D
    Wind breaker
    Correct
2
Which of the following industries do not depends upon forest?
  • A
    Tobacco industry
  • B
    Furniture industry
  • C
    Textile industry
    Correct
  • D
    Paper industry
3
The process by which solar energy is trapped to produce food for all living organisms is called
  • A
    Transportation
  • B
    Respiration
  • C
    Transpiration
  • D
    Photosynthesis
    Correct
4
The smaller plant growing under taller plants are called
  • A
    Canopy
  • B
    Under story
    Correct
  • C
    Tendrils
  • D
    Foliage
5
The study of interaction between living and non-living organisms in particular area is called
  • A
    Morphology
  • B
    Zoology
  • C
    Ecology
    Correct
  • D
    Histology
6
Forest is an example of
  • A
    Population
  • B
    Ecosystem
    Correct
  • C
    Organism
  • D
    Biosphere
7
The flora and fauna of particular place depends upon
  • A
    Pollination and germination
  • B
    Herbivores and carnivores
  • C
    Plant and animals
  • D
    Climatic condition and altitude
    Correct
8
What would be the effect on the food chain if carnivores disappear?
  • A
    Number of herbivores decrease
  • B
    Number of plants increases
  • C
    Number of herbivores remain same
  • D
    Number of herbivores increase
    Correct
9
Which one is the correct order in a food chain?
  • A
    Grass> Grasshopper>Frog>snake>Eagle
    Correct
  • B
    Grass >Frog>snake> Grasshopper >Eagle
  • C
    Grass> Grasshopper> snake> Frog >Eagle
  • D
    Grass> >snake >Grasshopper>Frog >Eagle
10
Transpiration is different from translocation as
  • A
    In both process water is lost
  • B
    In both process food is transported
  • C
    In transpiration water is lost but in translocation food is transported
    Correct
  • D
    In transpiration food is transported and in translocation water is lost
11
which of the following is not has the name of a tree?
  • A
    Teak
  • B
    Porcupine
    Correct
  • C
    sal
  • D
    Kachnar
12
Many people objects about the idea of cutting forest to set up industry because
  • A
    Forest act as green lung and water purifying system
    Correct
  • B
    Forest produce food
  • C
    Forest are nature beauty
  • D
    Forest provide habitat to human
13
Inside the deep forest it is quite dark due to
  • A
    Absence of plants
  • B
    Absence of herbs and shrubs
  • C
    Absence of sun
  • D
    Dense plants and creepers
    Correct
14
Forest floor provide favorable condition for
  • A
    Germination of seed and development into seedlings
    Correct
  • B
    Fertilization of flowers
  • C
    Production of honey and fruits
  • D
    Development of plants and animals
15
……. are plants found in particular localities
  • A
    Amoeba
  • B
    Fauna
  • C
    Bacteria
  • D
    Flora
    Correct