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 result of placing a plant cell in a hypertonic solution for a long time is ________of the cell.
crenation
flaccidity
haemolysis
turgidity
vasodilation
Correct answer is B
No explanation has been provided for this answer.
chemosynthetic
heterotrophic
parasitic
photosynthetic
saprophylic
Correct answer is A
No explanation has been provided for this answer.
An example of a disease linked to the sex-chromosome is
colour blindness
gonorrhea
night blindness
syphilis
tuberculosis
Correct answer is A
No explanation has been provided for this answer.
Which excretory product is NOT found in mammals?
ammonia
carbon dioxide
mineral salts
urea
water
Correct answer is A
Excretory products in mammals include
group of flowers borne on the same stalk
group of flowers born on different stalks
flower pollinated by wind
many flowers on the same plant
plants which have both male and female reproductive organs
Correct answer is B
No explanation has been provided for this answer.