Which of these statements is NOT true of insects?
They are anthropods
Their body is divide into three distinct regions of head, thorax and abdomen
Their thorax comprises three segments, only two of which bear a pair of appendages each
Respiration is by means of trachea
They undergo metamorphosis
Correct answer is C
No explanation has been provided for this answer.
a saprophytic organism
a symbiotic association
an epiphytic plant
a carnivorous plant
Correct answer is B
No explanation has been provided for this answer.
when an operculate fish breathes it takes in water through the
mouth and passes it out through the same way
mouth and passes it out through the operculum
operculum and passes it out through the mouth
operculum and passes it out through the nostrils
nostrils and passes it out through the operculum
Correct answer is B
No explanation has been provided for this answer.
In an ecosystem, the LEAST efficient energy transfer link is from
producers to primary consumers
sun to producers
primary consumers to secondary consumers
secondary consumers to decomposers
Correct answer is D
No explanation has been provided for this answer.
Which of the following is a sex-linked character?
Sickle-cell anaemia
Tongue rollling
Skin colour
Colour blindness
Correct answer is D
No explanation has been provided for this answer.