Free Health and Nutrition MCQs with Answers

• A. Rickets
• B. Cancer
• C. Amoebiasis
• D. Diabetes

Explanation: Amoebiasis is caused by the intestinal parasite Entamoeba histolytica and spreads through contaminated food or water, making it…

• A. Blood
• B. Urine
• C. Sputum
• D. Feces

Explanation: Typhoid carriers can continue shedding Salmonella Typhi in their stool, so feces are tested to detect carrier status.

• A. Reduction in Number of Killer T-cells
• B. Reduction in number of helper T-cells
• C. Non Production of Interferons
• D. None of these

Explanation: HIV attacks CD4 helper T-cells, progressively weakening the immune system and leading to AIDS.

• A. AIDS
• B. Herpes
• C. Syphilis
• D. Diabetes

Explanation: Syphilis is a bacterial sexually transmitted infection caused by Treponema pallidum.

• A. Diuresis
• B. Steroids
• C. Insulin
• D. Narcotics

Explanation: Narcotics can produce sedation, calmness and relief from pain, although they also carry a risk of dependence.

• A. Typhoid
• B. Diarrhea
• C. Polio
• D. Diabetes

Explanation: TAB vaccine protects against typhoid and paratyphoid fever, diseases caused by Salmonella bacteria.

• A. Urine
• B. blood
• C. water
• D. Cells

Explanation: Typhoid bacteria are commonly spread by the fecal-oral route through water or food contaminated with infected waste.

• A. Bones
• B. Adipose Tissue
• C. Connective Tissue
• D. All of these

Explanation: Sarcoma is a malignant tumour of connective tissue, and bone and adipose tissue are connective-tissue types.

• A. Benign
• B. Malignant
• C. Related to carcinoma
• D. Sample boils

Explanation: Most tumours are benign, meaning they remain localized and do not invade distant tissues.

• A. Transposon
• B. Proto-oncogene
• C. Tumor Promoter gene
• D. Tumor Suppressor gene

Explanation: A proto-oncogene is a normal, inactive gene that can become an oncogene if altered or abnormally activated.

• A. HIV
• B. HINI
• C. Herpes zoster
• D. Mumps virus

Explanation: Swine flu is caused by the H1N1 strain of influenza A virus. Option b appears as “HINI,” but it is evidently intended to mean H1N1.

• A. 1st
• B. 2nd
• C. 3rd
• D. 4th

Explanation: Typhoid intestinal haemorrhage most commonly occurs during the third week, when ulceration of the Peyer’s patches in the intestine may…

• A. Vitamin A
• B. Vitamin K
• C. Vitamin B
• D. Vitamin E

Explanation: Vitamin K is needed to produce several blood-clotting factors, so its deficiency can cause excessive bleeding.

• A. Streptococcus
• B. salmonella
• C. Staphylococcus
• D. Mycobacterium

Explanation: Typhoid fever is caused mainly by Salmonella enterica serovar Typhi, commonly called Salmonella typhi.

• A. 81.10c
• B. 36.9c
• C. 98.6C
• D. 21.7C

Explanation: Normal average body temperature is about 36.9°C. The familiar value 98.6 is also normal, but it is expressed in Fahrenheit, not Celsius as…

• A. AIDS Virus
• B. Defective Liver
• C. Defective Thymus
• D. Weak Immune System

Explanation: AIDS is an acquired immune-deficiency syndrome caused by HIV, which attacks important immune cells.

• A. Mosquito Bite
• B. Contaminated food and water
• C. honey Bee
• D. Sand Fly

Explanation: Ascaris infection spreads by the faecal-oral route when food or water is contaminated with eggs of the roundworm.

• A. Vitamin B1
• B. Vitamin B2
• C. Vitamin K
• D. Vitamin C

Explanation: Vitamin K is needed to produce several clotting factors in the liver, so deficiency can cause excessive bleeding.

• A. Lungs
• B. Heart
• C. Skin
• D. Blood

Explanation: Leukemia is a cancer of the blood-forming tissues, especially the bone marrow, causing abnormal production of white blood cells.

• A. Sugar
• B. Insulin
• C. Vitamins
• D. Calcium

Explanation: Insulin helps body cells absorb glucose from the blood, so insufficient insulin causes blood glucose to rise in diabetes.