Deficiency of Vitamin-A is results in———-?

Freezing point of water is__________?

A. 0 °C

B. -2 °C

C. -4 °C

D. None of above

The major ingredient of leather is———–?

A. Collagen

B. Polymer

C. Nucleic acid

D. None of these

The most abundant element in the universe is?

A. Oxygen

B. Hydrogen

C. Carbon dioxide

D. None of these

The most abundant element is Earth’s curst is ?

A. Oxygen

B. Hydrogen

C. Carbon dioxide

D. Silicon

Glucose syrup is made from__________?

A. oat

B. wheat

C. maize

D. rice

Name the hardest part of human body.

A. Enamel of teeth

B. Skull of head

C. Thumb nails

D. Chest bone

The gas used in a refrigerator to cool water is———-?

A. Nitrogen

B. Tetrafluoroethene

C. Methane

D. Carbon Dioxide

Which two organs glands are affected by malaria?

A. Lungs and heart

B. Spleen and liver

C. Kidneys and lungs

D. Heart and brain

Carrot is good source of Vitamin———?