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.
In the diagram, the male sex cells are contained in the part labelled
i
ii
iii
iv
Correct answer is B
Stamens are the male reproductive organs of flowering plants.
They consist of an anther, the site of pollen development, and in most species a stalk-like filament that transmits water and nutrients to the anther and positions it to aid pollen dispersal.
The habitat of the organism is
slow moving streams and marshes
the stomach of large mammals
under leaf filters on the forest floor
the small intestine of large vertebrates
Correct answer is D
Tapeworms generally inhabit the intestines of humans and animals. They have a series of hooks (or suckers) on one end that they use to attach to the intestine to get nourishment from the host.
In the diagram, the structure labelled X is for?
attachment
feeding
seeing
breathing
Correct answer is A
Suckers are the organs tapeworms use to attach to the host tissues.
In the diagram, the genotypic ratio of the offspring of the cross is
1:2
1:2:1
1:1:1:1
3:1
Correct answer is B
No explanation has been provided for this answer.
Which of the four offspring of the cross will be short if T the gene for tallness is
i
ii
iii
iv
Correct answer is D
No explanation has been provided for this answer.