Search SchoolNGR

Biology Past Questions and Answers

Waec Biology Questions

Question 51:

The evidence for evolution can be obtained from the following except

SchoolNGR Classroom

A Fossil
B Anatomy
C History
D Embryology
E Taxonomy.

View Answer & Explanation

Question 52:

The similarity between the bone structure of the arm of a human and the fore-limb of a
rabbit indicates

SchoolNGR Classroom

A Adaptive radiation
B Continuous variation
C A common origin
D Convergent evolution
E Adaptation to the same environment

View Answer & Explanation

Question 53:

What phenomenon in ecosystem does the diagram illustrate?

SchoolNGR Classroom

A Pyramid of numbers
B Food web among organisms
C Pyramid of energy
D Pyramid of biomass
E Evolutionary trend in organisms

View Answer & Explanation

Question 54:

Which of the following effects would desertification have on the
ecological balance represented in the diagram above? The calorific
value' of the energy

SchoolNGR Classroom

A . 10 x 10⁴k cal obtained from the sun would decrease
B 10 x 10⁴k cal obtained from the sun would increase
C 6 x 10⁴k cal obtained at level I would increase
D 1 x 10⁴k cal obtained at level V would increase
E 3.5x 10⁴k cal obtained at level II would increase

View Answer & Explanation

Question 55:

One of the methods of preventing measles is by

SchoolNGR Classroom

A Sleeping under mosquito net
B Attacking the vectors
C Attacking the secondary host
D Vaccinating young children
E Providing clean water supply

View Answer & Explanation

Stay Updated

Follow us on:

Subjects