Question

We should not allow mosquitoes to breed in our surroundings because they

• A. multiply very fast and cause pollution
• B. are vectors for many diseases
• C. bite and cause skin diseases
• D. are not important insects

Answer 1

The correct option is B

are vectors for many diseases

The correct option is option B:

Explanation of the correct answer:

1. Mosquitoes transmit various infectious pathogens and parasites which can cause diseases.
2. Diseases caused by mosquitoes are dengue, Zika, Chikungunya, West Nile fever, malaria, etc.
3. Mosquitoes act as vectors for transmitting diseases by biting a sick human and getting infected and then biting a healthy human.
4. This leads to the spread of diseases.
5. Malaria disease is caused by the parasite Plasmodium, which is transmitted by the bite of an infected mosquito.
6. Mosquito bites can be prevented by using mosquito nets, using repellents, etc., and keeping surroundings clean, washing and drying clothes getting vaccinated against diseases can give protection from diseases.

Explanation of the incorrect options:

Option A: Multiplication of mosquitoes is very fast but mosquitoes do not cause pollution.

Option C: Mosquitoes bite but mosquitoes do not cause skin diseases.

Option D: Mosquitoes are important insects because they help in pollination. They are one of the pollinating agents.

Final Answer: We should not allow mosquitoes to breed in our surroundings because they are vectors for many diseases.