Class 04 EVS Our Environment CBSE Questions & Answers

Class 4 · EVS Our Environment

This is Science and Social Science (EVS) class 04 EVS Our Environment 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 organism can live without water for many days?
  • A
    Camel
    Correct
  • B
    Fish
  • C
    Dog
  • D
    Horse
2
The area where garbage is collected and decomposed is called
  • A
    Landfills
    Correct
  • B
    Dustbin
  • C
    All of these
  • D
    Compost
3
Waste __________ is necessary to protect the environment.
  • A
    Burning
  • B
    Collection
  • C
    Management
    Correct
  • D
    Removal
4
We should not __________ the garbage.
  • A
    Burn
    Correct
  • B
    Collect
  • C
    Compost
  • D
    Decompose
5
Waste material should be ______________ into recyclable and non-recyclable.
  • A
    Separated
    Correct
  • B
    Defrayment
  • C
    Remove
  • D
    Dump
6
Liquid waste from houses is called
  • A
    Smog
  • B
    Effluent
  • C
    Sewage
    Correct
  • D
    Sludge
7
Living creatures of various kind are called
  • A
    Organisms
    Correct
  • B
    Society
  • C
    Population
  • D
    Species
8
Biodegradable waste
  • A
    Enters the food chains then causes bio magnification
  • B
    Does not decompose
  • C
    Decomposes in nature by microbes
    Correct
  • D
    Accumulates in environment
9
Polythene and plastics
  • A
    Are non-biodegradable and very harmful
    Correct
  • B
    Are not harmful
  • C
    Do not generate any bad odour
  • D
    Degrade in the environment very easily
10
Which of the following is a good habit to preserve ecosystem?
  • A
    Burning wastes
  • B
    Composting
    Correct
  • C
    Throwing in water bodies
  • D
    Using portable water for cleaning car
11
The image shown below is of
Question 11 figure 1
  • A
    Non-biodegradable
    Correct
  • B
    Toxic items
  • C
    Biodegradable
  • D
    All of these
12
Sanitation in the cities is the function of
  • A
    Municipal corporation
    Correct
  • B
    Individual person
  • C
    Societies of locality
  • D
    Non-government organisation
13
The process of waste treatment is called
  • A
    Water treatment
  • B
    Sewage treatment
    Correct
  • C
    Chlorination
  • D
    Pollutant separation
14
Bacteria that decompose organic wastes are called
  • A
    All of these
  • B
    Anaerobic bacteria
    Correct
  • C
    Lactobacillus bacteria
  • D
    Aerobic bacteria
15
Which one is marine organism?
  • A
    Hydra
    Correct
  • B
    Water bugs
  • C
    Crocodiles
  • D
    Frog