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.
Turgor pressure occurs in a cell when the?
volume of its cell sap increases
cell loses water to its environment
volume of cell decreases
cell is put in an isotonic solution
Correct answer is A
Turgor is what makes living plant tissue rigid. Loss of turgor, resulting from the loss of water from plant cells, causes flowers and leaves to wilt.
The blood group in humans referred to as a universal recipient is
O
A
B
AB
Correct answer is D
No explanation has been provided for this answer.
Which of the following trait in humans is not a morphological variation?
Height
Shape of head
Colour of skin
Ability to roll the tongue
Correct answer is D
No explanation has been provided for this answer.
differentiates between individuals of the same species
qualifies an organism to live with others
enables organisms to adapt to the environment
states the external features of an organism
Correct answer is A
No explanation has been provided for this answer.
The following practices can contribute towards the conservation of natural resources except
afforestation
deforestation
contour ploughing
establishment of Game Reserves
Correct answer is B
No explanation has been provided for this answer.