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 smallest branches on the cell body of a neuron are called
dendrites
dendrons
ganglia
Schwan cells
Correct answer is A
No explanation has been provided for this answer.
Which of the following statements about nerve cells is not correct?
The axons relay impulses from the cell Body
The cell body is always found at the end of the neuron
Each neuron has a cell body
The dendrites of one neuron transmits impulses to the cell body
Correct answer is B
No explanation has been provided for this answer.
Which of the following scientists was involved with organic evolution?
Mendel
Larmarck
Morgan
Pasteur
Correct answer is B
No explanation has been provided for this answer.
The genotypic ratio of 1 : 2 : 1 in the offspring of a hybrid cross illustrates the law of
use and disuse
dominance
segregation
linkage
Correct answer is C
No explanation has been provided for this answer.
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.