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Science Quiz for CDS/NDA exam. Attempt this quiz to increase your scores. The passing percentage is 70%. All the best.
#1. The atoms of the elements which have same number of neutrons are called:
#2. Which one of the colors has the highest wavelength?
#3. A myopic person has a power of -1.25D. What is the focal length and nature of his lens?
50 cm and convex lens
80 cm and convex lens
50 cm and concave lens
80 cm and concave lens
#4. Laser light is considered to be coherent because consists of:
Coordinated waves of exactly the same wave length
#5. Doppler effect is independent of :
Velocity of Source
Velocity of Listener
Distance between source and oberver
None of these
#6. The boiling point of water decreases at higher altitudes due to :
Low atmospheric pressure
High atmospheric pressure
#7. Blood cells do not shrink in blood because blood is :
#8. Alum purifies muddy water by :
#9. Which one is not a colloidal solution?
#10. Whipped cream is an example of :
#11. Trunk of tree increases in girth due to -
#12. The main functions of palisade parenchyma leaf is :
#13. Tikka disease is related with the crop :
All of these
#14. Which of the following is used as rodenticide?
#15. Malaria parasite and Amoeba are grouped under :