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Science Quiz (EVS) for CTET Exam 2016

Science Quiz (EVS) for CTET Exam 2016_30.1

1. Weight-lifters are generally required to make more muscles and body mass. For this purpose, they need to take a diet which is rich in-
A. proteins
B. vitamins
C. carbohydrates
D. fats
2. Anamika’s friend suggested the following 4 ways to avoid tooth decay :
(1) Brush your teeth twice a day
(2) Wear braces to avoid enamel decay
(3) Avoid sweets, chocolates and carbonated drinks
(4) Rinse mouth after every meal
Which of the above ways should Anamika follow?
A. 2,3 and 4 only
B. 3,4 and 1
C. 4,1 and 2
D. 1 and 4

3. Elephants have bigger ears as-
A. bigger ears help elephants to locate their food
B. bigger ears provide stability toelephant’s body
C. bigger ears help in cooling down the body of an elephant
D. smaller ears are not in proportion with a huge body

4. While singing, singers sometimes put their hand on one of their ears because-
A. it helps them listen to their own voice to check tuning with the instruments playing
B. it indicates to the audience to keep quiet
C. it is a customary practice
D. they can boast of their status by doing so

5. Tigers mark their area with their urine as-
A. tigers do not have a sharp vision to locate their area
B. tigers cannot mark their trees with their claws
C. tiger’s roar cannot be heard beyond a km
D. urine has strong pheromones which caution other tigers

6. Which one of the following is a good cooking practice?
A. cooking the vegetables by deep frying to kill bacteria
B. washing the vegetables nicely and then cutting
C. keeping the vegetables in sunshine for sometimes before cutting and cooking
D. cutting the vegetables and then washing these in running water
7. Rani’s mother adds Phitkari(Alum) to water collected from the pond everyday in order to-
A. kill germs in water
B. sediment light suspended impurities
C. decolourize water
D. change hard water into soft water

8. It is easier to swim in sea water rather than in river water as-
A. sea water contains froth which makes swimming smoother
B. both are equally dense but waves in the sea support swimming
C. sea water is lighter than river water
D. river water is lighter than sea water
9. When oil is spread on water, it kills larva of mosquitoes because-
A. oil is poisonous in nature
B. oil prevents larva from eating their food thereby starving them to death
C. fine layer of oil on the surface of water prevents them from breathing
D. oil makes water lighter and larva sinks into the bottom

10. Growing the same crop over and over and using so many chemicals makes the soil-
A. barren
B. fertile
C. fit for irrigation
D. useful for a special kind of crop