Which of these is NOT a structural adaptation of desert plants for water conservation?
Broad leaves with many stomata
Leaves reduced into spines
Scale leaves
Stems and leaves with thick cuticle
Sunken stomata
Correct answer is A
No explanation has been provided for this answer.
The fluid in the inner ear is called
aqueous humour
endolymph
lymphocyte
perilymph
vitreous humour
Correct answer is B
The inner ear has two parts: the bony labyrinth and the membranous labyrinth. The membranous labyrinth is contained within the bony labyrinth, and within the membranous labyrinth is a fluid called endolymph.
The following are ways of caring for the mammalian skin EXCEPT
eating balanced diet
exposing the skin to adequate sunlight
using skin toning creams
using moisturising creams to prevent drying
washing the skin with clean water and soap
Correct answer is C
No explanation has been provided for this answer.
In savanna trees, thick corky bark is an adaption for
absorbing water
conserving water
enhancing transpiration
reducing transpiration
resistance to bush fire
Correct answer is B
No explanation has been provided for this answer.
Which of the following is NOT a function of placenta in mammals?
absorption of food
gaseous exchange
removal of wastes
secretion of hormones
secretion of enzymes
Correct answer is E
No explanation has been provided for this answer.