Biology - Study Mode

[#781] Polio is caused by
Correct Answer

(B) Virus

Explanation

Solution: Polio, or poliomyelitis, is a disabling and life-threatening disease caused by the poliovirus. The virus spreads from person to person and can infect a person's spinal cord, causing paralysis.

[#782] Rhinitis is the disease that effects which body part?
Correct Answer

(B) Nose

Explanation

Solution: Rhinitis is inflammation and swelling of the mucous membrane of the nose, characterized by a runny nose and stuffiness and usually caused by the common cold or a seasonal allergy. Colds and allergies are the most common causes of rhinitis.

[#783] Which disease is caused due to deficiency of Iodine?
Correct Answer

(C) Goitre

Explanation

Solution: Worldwide, iodine deficiency is the most common cause of thyroid enlargement and goiter. Within a goiter, nodules can develop. Patients with a large goiter may experience symptoms of choking, especially when lying down, and difficulty swallowing and breathing.

[#784] Source of infection in diseases like Tuberculosis, Mumps and Whooping cough is
Correct Answer

(B) Droplets of saliva

Explanation

Solution: Tuberculosis, mumps and whooping cough are the contagious types of diseases. The diseases can spread through the droplets or the aerosols which are formed during coughing or sneezing. These aerosols contain the bacterium. The bacterium may enter the other person's body who is healthy and cause infection.

[#785] Anopheles mosquito carries Plasmodium which causes malaria in
Correct Answer

(A) Humans
(E) Humans

Explanation

Solution: Anopheles mosquito carries Plasmodium which causes malaria in humans.