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Practice MCQ Questions and answers on Biology-GK

Learn and practice General Knowledge questions and answers on Biology with very easy and understandable explanations. GK questions are very helpful different type of competitive exams. Page-7 section-2

Each section contains 100 MCQs on Biology .
61
Which is the cause of malaria infection?
Discuss
Answer & Solution
Answer: Option B
Solution:
Malaria is caused by the Plasmodium parasite. The parasite can be spread to humans through the bites of infected mosquitoes.
62
In human beings influenza is caused by
Discuss
Answer & Solution
Answer: Option B
Solution:
Influenza, commonly known as "the flu", is an infectious disease caused by an influenza virus. Symptoms can be mild to severe.
63
Asthma is caused due to
Discuss
Answer & Solution
Answer: Option D
Solution:
Asthma is caused due to inflammation of lungs and spasm in bronchial muscles. The peculiar symptoms of the disease are coughing, chest tightness, and shortness of breath. It is mainly caused due to environmental and genetic factor.
64
Cancer is caused by
Discuss
Answer & Solution
Answer: Option C
Solution:
When cells of the body at a particular site start to grow out of control, they may become cancerous.
65
Sickle-cell anemia is a disease caused due to the abnormality in
Discuss
Answer & Solution
Answer: Option B
Solution:
Sickle cell anemia is caused by a mutation in the gene that tells your body to make the iron-rich compound that makes blood red and enables red blood cells to carry oxygen from your lungs throughout your body (hemoglobin).
66
Diphtheria disease is caused by
Discuss
Answer & Solution
Answer: Option A
Solution:
Diphtheria is a serious infection caused by strains of bacteria called Corynebacterium diphtheriae that make a toxin (poison).
67
Which of the following disease is non-communicable in nature?
Discuss
Answer & Solution
Answer: Option D
Solution:
Cancer is a non communicable disease.
68
When a disease break out and spread from one place to another affecting large number of peoples it is called
Discuss
Answer & Solution
Answer: Option B
Solution:
When a disease break out and spread from one place to another affecting large number of peoples it is called epidemic.
69
Which of the following disease is caused by female Anopheles mosquito?
Discuss
Answer & Solution
Answer: Option B
Solution:
Malaria is transmitted to humans by female mosquitoes of the genus Anopheles. Female mosquitoes take blood meals for egg production, and these blood meals are the link between the human and the mosquito hosts in the parasite life cycle.
70
Which one among the following water-borne diseases is not caused by a bacteria ?
Discuss
Answer & Solution
Answer: Option D
Solution:
Hepatitis A is not caused by a bacteria.