How well do you understand living things and their vital processes? Whether you are preparing for JAMB, WAEC, NECO and Post-UTME, these Biology past questions and answers cover such subjects as the chemistry of life, botany, evolution, genetics, ecology etc to help you know what to expect, improve your speed and confidence and be really prepared for the actual aptitude test.
The opening of the guard cells of the epidermis in plants is by the process of
osmosis
diffusion
active transport
transpiration
Correct answer is A
No explanation has been provided for this answer.
An animal that possesses scales, nares, and a backbone is likely to be a
toad
lizard
rat
bat
Correct answer is B
No explanation has been provided for this answer.
pith , phloem, cambium, xylem, parenchyma, collenchyma, and epidermis
Xylem, phloem, cambium, cortex, endodermis, collenchyma, and epidermis
Pith, xylem, cmbium, phloem,, collenchyma, parenchyma, and epidermis
phloem, xylem, cambium, cortex, endodermis, collenchyma, and epidermis
Correct answer is C
No explanation has been provided for this answer.
Which of the following pairs of structures in living organisms do not perform similar functions?
Lungs and spiracles
Root hairs and mammalian hairs
Feathers and scales
Contractile vacuole and Kidneys
Correct answer is B
No explanation has been provided for this answer.