EVS Test

EVS

This is EVS Test-23 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
Which one of the following teaching strategies will be most effective for maximum involvement of students in teaching the concept of food chain?
  • A
    Ask students to copy all examples of different food chains written on the black-board
  • B
    Make play-cards of organisms and ask student groups to arrange them to depict different food chains
    Correct
  • C
    Ask students to explore possible food chains operating in different habitats
  • D
    Ask students to collect related information from internet
2
In order to separate a mixture of sand and salt, which one of the following four sequences of processes has to be used?
  • A
    Filtration, decantation, evaporation, sedimentation
    Correct
  • B
    Evaporation, sedimentation, decantation, filtration
  • C
    Sedimentation, decantation, filtration, evaporation
  • D
    Decantation, sedimentation, evaporation, filtration
3
A science teacher administered a test after teaching the topic on ‘Respiration’ and observed that majority of the students did not understand the difference between respiration and breathing. This could be due to the reason that
  • A
    She could not explain the related concept effectively in the class
    Correct
  • B
    She was not their class teacher
  • C
    There was usually lot of indiscipline in her class
  • D
    The students could not understand the question correctly
4
Which one of the following is a good cooking practice?
  • A
    Keeping the vegetables in sunshine for some time before cutting and cooking
  • B
    Washing the vegetables nicely and then cutting
    Correct
  • C
    Cooking the vegetables by deep frying to kill bacteria
  • D
    Cutting the vegetables and then washing these in running water
5
While teaching the topic on ‘Air’, an EVS teacher wanted to demonstrate that air has weight and occupies space. Her colleague suggested the following four different activities for this purpose to her: A. Place an empty inverted beaker on the surface of the water and start pressing it down B. Suck the juice through a straw C. Blow air in a balloon D. Tie two inflated balloons to a rod and establish equilibrium. Then puncture one of the balloons. Which of the above activities will lead to demonstrating the desired result?
  • A
    B and D
  • B
    A and D
    Correct
  • C
    A and C
  • D
    A and B
6
A teacher can identify a stressed child when the child shows the following behaviour:
  • A
    Hyperactivity
  • B
    Excessive talking
  • C
    Full concentration in studies
  • D
    Aggressive behaviour
    Correct
7
While performing experiments with water, Jyoti observed that an empty steel bowl floats but a small iron nail sinks in water. This can be explained by the fact that
  • A
    Iron is lighter than water and steel is heavier than water
  • B
    Force on an iron nail is more than its weight whereas force on a steel bowl is lesser than its weight
  • C
    Force on a steel bowl is more than its weight whereas force on an iron nail is lesser than its weight
    Correct
  • D
    Iron is heavier than water and steel is lighter than water
8
Which one of the following pairs of life processes occurs both in plants and animals?
  • A
    Reproduction and food making
  • B
    Growth and reproduction
    Correct
  • C
    Growth and food making
  • D
    Reproduction and germination
9
Anjali’s friend suggested the following four ways to avoid tooth decay: A. Brush your teeth twice a day B. Wear braces to avoid enamel decay C. Avoid sweets, chocolates and carbonated drinks D. Rinse mouth after every meal Which of the above ways should Anjali follow?
  • A
    B, C and D
  • B
    A and C
  • C
    C, D and A
    Correct
  • D
    D, A and B
10
Study the Venn diagram given below: Which of the following animals can be placed at ‘X’?
Question 10 figure 1
  • A
    Fish
  • B
    Shark
  • C
    Eel
  • D
    Crocodile
    Correct
11
An air-pump is kept in an aquarium in order to
  • A
    Enhance the beauty of the aquarium
  • B
    Make water cleaner
  • C
    Provide more carbon dioxide to water plants
  • D
    Allow more oxygen to dissolve in water
    Correct
12
A fish dies when it is put in an aquarium filled with previously boiled water but cooled to room temperature. This happens because the water in the aquarium is
  • A
    Unfit for swimming by fish
  • B
    Depleted in minerals
    Correct
  • C
    Unfit to drinking by fish
  • D
    Depleted in oxygen
13
Which one of the following best describes the features on the surface of the Moon?
  • A
    No water, deep craters, high mountains
    Correct
  • B
    No air, no gravity, smooth surface
  • C
    No air, no gravity, no water
  • D
    No water, enough air, high mountains
14
Arti noticed the following precautions related to prevention of spread of a disease on a poster: A. Do not let water collect around you B. Keep water pots, coolers and tanks clean C. Spray oil if water has collected at some place D. Use nets to protect yourself The poster is aimed at creating awareness about the spread of
  • A
    Dengue and Eye flu
  • B
    Small pox and malaria
  • C
    Dengue and Japanese Encephalitis
    Correct
  • D
    Typhoid and Cholera
15
In which one of the following groups are the words intimately related?
  • A
    Iron, Malaria, Anaemia, Blood
    Correct
  • B
    Mosquito, Dengue, Iron, Jaggery
  • C
    Mosquito, Malaria, Anaemia, Iron
  • D
    Iron, Haemoglobin, Anaemia, Amla