Year :
1989
Title :
Biology
Exam :
WASSCE/WAEC MAY/JUNE
Paper 1 | Objectives
51 - 60 of 68 Questions
| # | Question | Ans |
|---|---|---|
| 51. |
The similarity between the bone structure of the arm of a human and the fore-limb of a A. adaptive radiation B. continuous variation C. a common origin D. convergent evolution E. adaptation to the same environment |
C |
| 52. |
 What phenomenon in ecosystem does the diagram illustrate? A. Pyramid of numbers B. Food web among organisms C. Pyramid of energy D. Pyramid of biomass E. Evolutionary trend in organisms |
C |
| 53. |
 Which of the following effects would desertification have on the ecological balance represented in the diagram above? The calorific value of the energy 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 |
C |
| 54. |
One of the methods of preventing measles is by A. sleeping under mosquito net B. attacking the vectors C. attacking the secondary host D. vaccinating young children E. providing clean water supply |
D |
| 55. |
Group instinct or social behaviour is not displayed in A. soldier ants B. bees C. chickens D. weaver birds E. termites |
C |
| 56. |
Which of the following fixes atmospheric nitrogen? A. Rhizobium B. Nitrosomonas C. Nitrobacter D. Putrefying bacteria E. Denitrifying bacteria |
A |
| 57. |
The spaces between neutrones through which impulses cross by means of chemical reaction are called A. axons B. ganglia C. synapses D. dendrites E. pia mater |
C |
| 58. |
The inability of some individuals to perceive the taste of some substances is an example of A. individual adaptation B. physiological variation C. morphological variation D. morphological adaptation E. physical variation |
B |
| 59. |
The term afforestation is used in describing A. harvesting of natural forest resources B. planting trees of value to man C. fallowing of forestland D. felling of trees in the forest E. recycling of waste forest products. |
B |
| 60. |
Over-crowding in seedlings of different species is less serious than over-crowding involving one species A. have different nutritional needs B. lack the same nutrient C. be active at the same time D. have similar tolerance E. need equal spacing |
A |
| 51. |
The similarity between the bone structure of the arm of a human and the fore-limb of a A. adaptive radiation B. continuous variation C. a common origin D. convergent evolution E. adaptation to the same environment |
C |
| 52. |
What phenomenon in ecosystem does the diagram illustrate? A. Pyramid of numbers B. Food web among organisms C. Pyramid of energy D. Pyramid of biomass E. Evolutionary trend in organisms |
C |
| 53. |
Which of the following effects would desertification have on the ecological balance represented in the diagram above? The calorific value of the energy 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 |
C |
| 54. |
One of the methods of preventing measles is by A. sleeping under mosquito net B. attacking the vectors C. attacking the secondary host D. vaccinating young children E. providing clean water supply |
D |
| 55. |
Group instinct or social behaviour is not displayed in A. soldier ants B. bees C. chickens D. weaver birds E. termites |
C |
| 56. |
Which of the following fixes atmospheric nitrogen? A. Rhizobium B. Nitrosomonas C. Nitrobacter D. Putrefying bacteria E. Denitrifying bacteria |
A |
| 57. |
The spaces between neutrones through which impulses cross by means of chemical reaction are called A. axons B. ganglia C. synapses D. dendrites E. pia mater |
C |
| 58. |
The inability of some individuals to perceive the taste of some substances is an example of A. individual adaptation B. physiological variation C. morphological variation D. morphological adaptation E. physical variation |
B |
| 59. |
The term afforestation is used in describing A. harvesting of natural forest resources B. planting trees of value to man C. fallowing of forestland D. felling of trees in the forest E. recycling of waste forest products. |
B |
| 60. |
Over-crowding in seedlings of different species is less serious than over-crowding involving one species A. have different nutritional needs B. lack the same nutrient C. be active at the same time D. have similar tolerance E. need equal spacing |
A |