A physiological adaptation of plants to the problem of excessive water loss is
reduction in the number of stomata
reversal of the normal stomatal rythm
possession of shallow roots
possession of waxy cuticle
Correct answer is B
No explanation has been provided for this answer.
The parts of the mammalian eye that strongly bend light rays are the
cornea and the lens
cornea and aqueous humour
cornea and vitreous humour
lens and aqueous humour
lens and vitreous humour
Correct answer is A
- The cornea acts as the eye's outermost lens. It functions like a window that controls and focuses the entry of light into the eye. The cornea contributes between 65- 75 percent of the eye's total focusing power. When light strikes the cornea, it bends--or refracts--the incoming light onto the lens.
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.