EVS Test

EVS

This is EVS Test-18 for CTET, Central Teacher Eligibility Test conducted by CBSE.. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
You may experience difficulty in breathing when you are at a high altitude. This is because:
  • A
    Oxygen becomes separated from the other gases in the air
  • B
    Oxygen particles group together at a high altitude
  • C
    The air contains less oxygen at a high altitude
    Correct
  • D
    The air becomes inactive at a high altitude
2
Oxygen is used by: 1. Deep sea divers 2. Patients with respiratory problems 3. Green plants in photosynthesis 4. Astronauts going into outer space
  • A
    1, 2 and 4 only
    Correct
  • B
    3 and 4 only
  • C
    1 and 2 only
  • D
    1, 2, 3 and 4
3
A group of stars which seems to form a pattern is called:
  • A
    A nebula
  • B
    A solar system
  • C
    A constellation
    Correct
  • D
    A galaxy
4
Days and nights are caused by:
  • A
    The rotation of the sun
  • B
    The revolution of the earth
  • C
    The rotation of the earth
    Correct
  • D
    The tilting of the earth’s axis
5
It takes _______ to complete one rotation for the earth.
  • A
    1 week
  • B
    24 hours
    Correct
  • C
    30 days
  • D
    $365\frac{1}{4}$day
6
It takes ________ to complete one revolution round the sun by the earth.
  • A
    30 days
  • B
    $365\frac{1}{4}$days
    Correct
  • C
    1 week
  • D
    24 hours
7
Which is the only planet of the solar system that has life on it?
  • A
    Venus
  • B
    Mars
  • C
    Earth
    Correct
  • D
    Jupiter
8
Saptarishi constellation seems to resemble a:
  • A
    Scorpion
  • B
    Bear
    Correct
  • C
    Cow
  • D
    Hunter
9
Name the largest planet of the solar system.
  • A
    Venus
  • B
    Mars
  • C
    Pluto
  • D
    Jupiter
    Correct
10
The tilt of the earth causes:
  • A
    Phases of Moon
  • B
    Change of seasons
    Correct
  • C
    Phases of Venus
  • D
    Days and nights
11
Which of the following is the closest to the earth?
  • A
    Jupiter
  • B
    Venus
    Correct
  • C
    Pluto
  • D
    Mercury
12
Which of the following planets has rings that distinguish it from the rest?
  • A
    Jupiter
  • B
    Mars
  • C
    Saturn
    Correct
  • D
    Earth
13
Which of the following is the correct order of planets in the solar system, starting with the planter closest to the sun?
  • A
    Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune and Pluto
    Correct
  • B
    Mercury, Jupiter, Earth, Venus, Mars, Uranus, Saturn, Neptune and Pluto
  • C
    Pluto, Uranus, Neptune, Jupiter, Saturn, Mars, Earth, Venus and Mercury
  • D
    Pluto, Neptune, Uranus, Saturn, Jupiter, Earth, Venus and Mercury
14
It has been observed that the process of digestion is faster inside the stomach than outside because
  • A
    the digestive juices inside the stomach are acidic, while outside they are alkaline
  • B
    the food is churned in the stomach thereby increasing the surface area for quicker enzyme action
    Correct
  • C
    the amount of digestive juices produced in the stomach in the presence of food is much more
  • D
    the digestive juices when kept outside the stomach become inactive
15
Cooked rice can be preserved for a longer time in a refrigerator because
  • A
    microbes are destroyed and killed at low temperature
  • B
    refrigerators contain certain chemicals which kill the microbes
  • C
    moisture content in the food is reduced at low temperature
  • D
    microbes become inactive at low temperature
    Correct