In Fishes excretory Product is__________?

A. Nitrogen
B. Ammonia
C. Uria
D. Carbon dioxide

Which blood cells are called ‘Soldiers’ of the body?

A. White blood cells
B. Platelets
C. Red blood cells
D. None of the above

Adult human brain is about_________% of the total body weight.

A. 2%
B. 3%
C. 7%
D. 8%

Humans can hear in the range of ______ to _______Hertz (Hz).?

A. 10 hz to 10,000 hz.
B. 20 hz to 20,000 hz.
C. 30 hz to 30,000 hz.
D. 40 hz to 40,000 hz.

Pressure is measured by_________?

A. Barometer
B. Voltmeter
C. Lactometer
D. Ammeter

Which of the following is the hardest substance?

A. Copper
B. Diamond
C. Iron
D. Silicon

Which one of the following is also called Stranger Gas?

A. Neon
B. Argon
C. Xenon
D. Nitrous oxide

For which one of the following is the density maximum?

A. Ice
B. Water
C. Benzene
D. Chloroform

If you have “caries” then which doctor you have consult?

A. Dermatologist
B. Orthopaedist
C. Dentist
D. Nurologist

Water has maximum density at____________?

A. 0°c
B. 4°c
C. 4° k
D. 4.8°c