Search SchoolNGR

Biology Past Questions and Answers

[share]

Waec Biology Questions

Question 1176:

Shrubs do not survive on newly weathered soils because

SchoolNGR Classroom

A The top soil is shallow
B Drainage on such soil is poor
C Humus is absent from the soil
D The soil tends to be sandy

View Answer & Explanation

Question 1177:

The speed of the flow of water in a river is faster in the middle than along the banks due to

SchoolNGR Classroom

A Differences to turbidity at different parts of the river
B The abundance of fishes and other organisms along the bank
C Reduced force of gravity in the middle portion of the river
D Resistance offered by the wall of the banks.

View Answer & Explanation

Question 1178:

The effects of environmental degradation caused by human activities can be controlled by e following measures except

SchoolNGR Classroom

A Reclaiming the land
B Converting mining pits into fish ponds
C Resettling indigenous inhabitants
D Educating people

View Answer & Explanation

Question 1179:

The following observations concerning succession are true except that the

SchoolNGR Classroom

A Pioneer community has fewer species
B Middle stages communities are most diverse
C Max community has the greatest number of species
D Total biomass of the community increases as succession progresses

View Answer & Explanation

Question 1180:

A vaccine is introduced into a person‘s body to

SchoolNGR Classroom

A Destroy all disease-causing organisms in the body
B Stimulate the body to produce antibodies
C Enhance the production of red blood cells
D Isolate disease-causing pathogens from the blood.

View Answer & Explanation

Stay Updated

Follow us on:

Subjects