AnimalsEveryday Science
The only known fish that makes nest is the:
Godlfish
Stickleback
Elephant Fish
Star Fish
Stickleback
The male stickleback lures in potential mates by building a nest of waterweed, detritus and algae which he manoeuvres with his mouth to create a small dome or bower. He glues these materials together with spiggin, a secretion from his kidneys.
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Vitamin C is soluble inA. fat
B. water
C. ethers
D. phenols
The density of air in the atmosphere is
A. uniform
B. not uniform
C. zero
D. none of above
In the body, the weight of blood is about
A. 1/12th of body
B. 1/5th of body
C. 1/8th of body
D. 1/4th of body
Which substance is present in fuel?
A. Iron
B. Gold
C. Carbon
D. Copper
The energy stored in coal is
A. kinetic energy
B. potential energy
C. chemical energy
D. nuclear energy
A human breath per minute is
A. 16-30 times
B. 16-20 times
C. 15-20 times
D. 15-18 times
Symbol of Copper is
A. Ca
B. Cl
C. Co
D. Cu
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