Which of the following insects undergoes incomplete metamorphosis?
Mosquito
Termite
Housefly
Moth
Correct answer is B
No explanation has been provided for this answer.
The flowering period of plants in a habitat is determined by the
duration of sunlight
intensity and duration of rainfall
relative humidity of the atmosphere
temperature of the habitat
Correct answer is A
No explanation has been provided for this answer.
The essential structural difference between hydra and tapeworm is that while Hydra
has tentacles, tapeworm is parasitic
is diploblastic, tapeworm is triplobastic
has a mouth, tapeworm feeds by suckers
has mesoderm, tapeworm has mesogloea
Correct answer is B
No explanation has been provided for this answer.
A major difference between platyhelminthees and coelenterates is that platyhelminthes
are multicellular
have developed a mesoderm
reproduce sexually
reproduce asexually
Correct answer is B
No explanation has been provided for this answer.
Which of the following lists of diseases, their causes and transmission is CORRECT?
Cholera, virus, severe diarrhoea, infected water
Malaria, protozoan, high fever, contact with infected person
Syphilis, virus, veneral disease, sexual intercourse
small pox, virus, skin with blister, close contact with infected person
Sleeping sickness, bacteria, tiredness, headache and dozing, tsetsefly bite
Correct answer is D
No explanation has been provided for this answer.