Which of these is a vector of malaria fever?
Female anopheles mosquito
Male anopheles mosquito
Female culex mosquito
Male culex mosquito
Correct answer is A
No explanation has been provided for this answer.
Which of these is not correct about the tse-tsefly and mosquito? They
harbour protozoa as disease agents
possess piercing and sucking mouth parts
have intermediate hosts
inject disease- causing organisms into the blood stream
Correct answer is C
No explanation has been provided for this answer.
Which of the following structures in a housefly aids in the transmission of diseases in man?
Hairs
Spiracles
Antennae
Wings
Correct answer is A
No explanation has been provided for this answer.
Space and food only
Space and mates only
Food and mates only
Space, food and mates
Correct answer is D
No explanation has been provided for this answer.
Which of the following associations can upset the balance of nature?
Epiphitism
Parasitism
Symbiosis
Saprophytism
Correct answer is B
No explanation has been provided for this answer.