Class 7 Nutrition In Plants CBSE Questions & Answers

Class 7 · Nutrition In Plants

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

Questions & Answers

1
Photosynthesis is a
  • A
    Anabolic process
    Correct
  • B
    Catabolic process
  • C
    Amphiboles process
  • D
    Holozoic process
2
Plants uses the nitrogen in the form of
  • A
    Nitrate and nitrite
    Correct
  • B
    Nitrite and dissolved nitrogen
  • C
    Nitric acid and nitrite
  • D
    Nitrate and nitrogen gas
3
Photosynthesis means
  • A
    Synthesising in absence of light
  • B
    Synthesising in presence of light
    Correct
  • C
    Formation of food
  • D
    Preparation of food with enzyme
4
Nitrogen is necessary for
  • A
    Vitamins
  • B
    Carbohydrates
  • C
    Roughage
  • D
    Proteins
    Correct
5
Algae components of lichen is
  • A
    Autotrophic
    Correct
  • B
    Heterotrophic
  • C
    Parasitic
  • D
    Abiotic
6
Which one is a carnivorous organism?
  • A
    Lion
    Correct
  • B
    Dog
  • C
    Deer
  • D
    Horse
7
In photosynthesis, main function of chlorophyll is to
  • A
    Absorb water
  • B
    Provide energy
  • C
    Trap solar energy
    Correct
  • D
    Fix carbon dioxide
8
During respiration, plants release
  • A
    Nitrogen
  • B
    Carbon dioxide
    Correct
  • C
    Oxygen
  • D
    Hydrogen
9
Main function of transpiration in plant is to
  • A
    Upward movement of water and minerals
    Correct
  • B
    Temperature regulation
  • C
    Opening of stomata
  • D
    Loss of excess of water
10
Carbon dioxide gas required for photosynthesis is absorbed through
  • A
    Stomata
    Correct
  • B
    Lenticels
  • C
    Root hairs
  • D
    Guard cells
11
Photosynthesis takes place in
  • A
    Leucoplast
  • B
    Chloroplast
    Correct
  • C
    Chromosome
  • D
    Thermoplast
12
Number of stomata is more on
  • A
    Equal on both surface
  • B
    Lateral surface
  • C
    Lower surface of leaves
    Correct
  • D
    Upper surface of leaves
13
Which is the most efficient converter of sun’s energy into chemical energy?
  • A
    Fungi
  • B
    Bacteria
  • C
    Plants
    Correct
  • D
    Animals
14
Which process maintains the balance of \({\text{C}}{{\text{O}}_{\text{2}}}\) and \({{\text{O}}_{\text{2}}}\) in nature?
  • A
    Transduction
  • B
    Transportation
  • C
    Transpiration
  • D
    Photosynthesis
    Correct
15
Carbohydrate are made of
  • A
    Nitrogen, Hydrogen and Oxygen
  • B
    Nitrogen, Carbon and Oxygen
  • C
    Carbon, Hydrogen and Oxygen
    Correct
  • D
    Carbon, Hydrogen and Nitrogen