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 pairs of organisms are photosynthetic?
Amoeba and paramecium
Euglena and chlamydomonas
Volvox and Rhizopus
Nostoc and plasmodium
Correct answer is B
Euglena and chlamydomonas are photosynthetic because they possess features of plants which enable them to produce their food.
The type of nutrition shown by spirogyra is
Symbiosis
Holophytic
Holozoic
Chemosynthetic
Correct answer is B
Spirogyra undergoes holophytic nutrition
Animals are said to gregarious when
they survive adverse conditions of cold weather
they transmit information from one individual to another
they are of the same species moving together in a group
they give an alarm to alert others to show the normal protective behaviour of the group when danger threatens
Correct answer is C
Gregarious animals are the same species of animal moving together in group.
The insect trapping movements of the leaves of the venus fly trap is a behavioural adaptation for
support
surviving adverse weather conditions
obtaining food
dormancy
Correct answer is C
When an insect traps movement of leaves, it is a behavioural adaptation for obtaining food.
The period of inactivity seen in some animals during long period of heat or drought is
Migration
Aestivation
Hibernation
Adaptation
Correct answer is B
Aestivation is a period of inactivity seen in some animals during periods of heat or drought.