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 is the correct order of the developmental stages?
1 → 2 → 3 → 4 → 5
5 → 1 → 3 → 2 → 4
2 → 1 → 3 → 4 → 5
5 → 3 → 2 → 1 → 4
Correct answer is D
No explanation has been provided for this answer.
with the lungs
with the external gills
with the internal gills
through the skin
Correct answer is D
No explanation has been provided for this answer.
In a saprophyte, sex organs are produced in the
Gametophyte
Rhizoid
Protonema
Sporophyte
Correct answer is C
No explanation has been provided for this answer.
The enzyme ptyalin acts on starch in the
oesophagus
large intestine
mouth
stomach
Correct answer is C
Ptyalin is secreted in the mouth. Pepsin and renin however, in the stomach.
The removal of remnant particles of digestion from the body is called
assimilation
egestion
elimination
excretion
Correct answer is B
Faeces or the waste products are expelled from the body after digestion by a process known as egestion.