Question 1

Which of the following diseases is caused by a protozoan parasite transmitted by the Anopheles mosquito?

Accepted Answer

Malaria. Malaria is caused by Plasmodium parasites which are spread through the bites of infected female Anopheles mosquitoes. This disease primarily affects the liver and red blood cells in the human body. Quinine is a traditional medication used to treat this condition.

Question 2

The deficiency of which vitamin causes the disease known as Rickets in children?

Accepted Answer

Vitamin D. Vitamin D deficiency leads to the softening and weakening of bones in children, known as rickets. Sunlight is a major natural source for the synthesis of this vitamin in our skin. In adults, the similar condition of bone softening is called osteomalacia.

Question 3

Which organ of the human body is primarily affected by the disease Tuberculosis?

Accepted Answer

Lungs. Tuberculosis is a bacterial infection caused by Mycobacterium tuberculosis that mostly targets the lungs. It spreads through the air when an infected person coughs or sneezes. The BCG vaccine is commonly used globally to provide protection against this disease.

Question 4

Minamata disease is a neurological syndrome caused by severe poisoning from which element?

Accepted Answer

Mercury. Minamata disease was first discovered in Japan due to the release of methylmercury in industrial wastewater. It causes numbness in hands, muscle weakness, and damage to hearing and speech. This condition is a classic example of environmental pollution affecting human health.

Question 5

Which of the following is a viral disease that affects the liver and causes yellowing of the skin?

Accepted Answer

Hepatitis. Hepatitis refers to the inflammation of the liver often caused by various viruses like A, B, or C. The buildup of bilirubin in the blood leads to the characteristic yellowing known as jaundice. Hepatitis B is particularly known for being transmitted through infected blood or body fluids.

Human Diseases — Set 1