Final answer:
The control group in this experiment is the group of arms that are not sprayed with mosquito repellent. It allows for comparison with the group that is sprayed with repellent to see the difference in the number of mosquito bites.
Step-by-step explanation:
The control group in this experiment is the group of arms that are not sprayed with mosquito repellent. In a scientific experiment, the control group is the group that does not receive the treatment or intervention being tested. In this case, the control group allows for comparison with the group that is sprayed with repellent to see the difference in the number of mosquito bites. By having a control group, researchers can determine if the repellent is effective in reducing mosquito bites.
In an experiment involving mosquito repellent, the control group would be the arm that is not sprayed with the repellent. This arm is used as a baseline to compare the effectiveness of the mosquito repellent sprayed on the other arm. In the context of mosquito control, various methods, including genetic engineering of mosquitoes, the use of insecticides such as DDT, and other preventative measures like bed nets, are crucial strategies to combat malaria and reduce the mosquito population.