Human Body Functions - 1

1.
In which part of the body does absorption of water and nutrient into the blood from the bowel content takes place ?
Kidney
Colon
Stomach
Liver
2.
Ultraviolet rays falling on the skin convert 7 - dehydrocholesterol into :
Vitamin B1
Vitamin D
Biotin
Niacin
3.
Which of the follwing chemical agents is a neurotransmitter ?
Thrombodyn
Citric Acid
Ascorbic Acid
Norepinephrine
4.
The organ in the body which helps in the metabolism of fats and proteins is also reponsible for the secretion of bile. Which one is it ?
Pancreas
Duodenum
Liver
Kidney
5.
The delicate nerve tissue of the brain are protected from shocks by :
Fat deposits inside the brain
A fluid inside the brain
Proteins inside the brain
Calcium deposits inside the brain
6.
Which part of the body is responsible for the oxygenation of blood ?
Brain
Heart
Lungs
Appendix
7.
Cavities in bones are filled with marrow. What is the function of the marrow ?
To produce lipids
To Produce vitamins
To produce blood
To produce proins
8.
An enzyme which is secreted by the salivary glands is responsible for converting starch into sugar. Which enzyme is it ?
Pepsin
Ptyalin
Trypsin
Polypeptides
9.
Which enzyme is responsible for converting the sugar present in mild into glucose ?
Pepsin
Lactase
Amylase
Protease
10.
Which of the following enzymes is responsible for the breaking down of proteins ?
Papain
B-Lactamase
Pepsin
Both 1 & 2

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