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.
Which of the following statements about sex determination is correct? At fertility
the probability of male to female offspring is 1/2
the Y chromosome of the father decreases the probability of having a male child to 3/4
the xx chromosome of the mother decreases the probability of having a female child to 3/4
the vigour of either parents determines the sex of the offspring
Correct answer is A
No explanation has been provided for this answer.
Which of the following statements is correct about variation?
Offsprings are different from their parents only
Offsprings from the same parents look alike
Offsprings differ from their ancestors but look like their immediate parents
offsprings differ from their ancestors and from each other
Correct answer is D
No explanation has been provided for this answer.
The major types of man’s finger prints do not include
arch
compound
simple
loop
Correct answer is C
No explanation has been provided for this answer.
adrenal gland
thyroid gland
pituitary gland
pancreas
Correct answer is D
No explanation has been provided for this answer.
adrenal gland
thyroid gland
pituitary gland
thymus gland
Correct answer is C
No explanation has been provided for this answer.