WASSCE BIOLOGY MAY/JUNE 2015 (SSCE WAEC MAY/JUNE 2015 BIOLOGY)
1. Which of the organism is not a protozoan
A. Ameoba
B. Ascaris
C. Plasmodium
D. Paramecium
2. The structure of the cell membrane is a
A. double layer and a double protein layer
B. middle bi-layer protein with a lipid o either surface
C. middle bi-layer of lipid with a protein layer o either surface
D. protein layer with two inner lipid layers
3.. Which of the following cells is a specialized cell
A. Amoeba
B. Plasmodium
C. Guard Cell
D. Meristematic cell
4. The following organism have structures for movement except
AAmoeba
B. Spirogyra
C. VOlvox
D. Paramecium
5.. Which of the following statement about protosplasm of a cell is not correct? It
A. is a gelatinous mass
B. consists of cytoplasm and nucleus
C. is the liquid part of the nucleus
D. contains cellular oganelles
6. When a spirogyra filament is placed in a concentrated salt solution for 30 minutes, the cell would become
A. Plasmolysed
B. turgid
C. Shortened
D. elongated
The diagram below is an illustration of a crocodile.
Use it to answer 7 and 8
7. Which of the labelled parts enable the enable to stay under water most of the time?
A. I, IV and V
B. I, II and V
C. I, III ad IV
D. III, IV and V
8. Two characteristics feature of the .class to which the crocodile belongs are labelled
A. I and II
B.III ad IV
C. II and IV
D. II and V
9. Water and salts are both lost from the human body in
A. breadth and sweat
B. breadth ad urine
C. breadth, urine and sweat
D. sweat and urine
10. Which of the following features could be used to determine the growth of a seedling?
A. Number of flowers
B. Number of leaves
C. Length of flowers
D. Length of radicle
The following diagram shows the sequence of events I early cell division. Study the diagram and answer question 11
11. In which of the following cells is this division likely to take place
A. Sperm cell
B. Blood cell
C. Muscle cell
D. Uterine cell
12. A plat that commonly undergoes vegetable propagation by means of leaves is
A. Hibiscus
B. Bryosphylum
C. Crotalalania
D. Spirogyra
The diagram below illustrates a part of the mammalian skeleton. Use it to answer question 13 and 14.
13. The part of the mammalian skeleton illustrated in the diagram is the
A. Altas vertebrae
B. Axis vertebrae
C. Cervical vertebrae
D. Thoracic vertebra
14. The function of the part labelled I is to
A. provide support to the spial cod
B. provide surface for attachment of the muscle
C. carry the spinal cord
D. articulate ith adjacent vertebrae
15. Blood pressure is higher I the arteries as aresult of
A. Stress
B. Contraction and relaxation
C. blockage in the arteries
D. pressure of valves
16. A farmer who wants to keep seeds for three years before plating and want to prevent them from spouting uses
A. Auxin
B.gibberellins
C. abscisin
D. cytokinins
17.A person had an accident that affected the skull but not the nose and later lost the sense of smell. This accident must have affected the
A. nose by extension
B. olfactory lobes of the brain
C. Passage from the nose to the brain
D. Part of the skull near the nose
18. Ability of the human eye to focus image accurately on the retina is called
A. astigmatism
B. myopia
C. adjustment
D. accommodation
19. Which of the following characteristics features is not associated with monocotyledonous plants?
A. Well differentiated sepals and petals
B. Presence of fibrous root system
C. Presence of narrow leaves
D. Floral parts are in the multiples of three
20 The main difference between a seed and a fruit is that a fruit
A. is large while a seed is small
B. has two scars while a seed has one
C. is pigmented while a seed is not
D. can be dispersed by animals while seed cannot
21. Which of the following processes removes carbon(IV)oxide from the atmosphere
A. Burning fuels
B. Putrefaction
C. Photosynthesis
C. Respiration in plants
A student used the following steps in testing for a non-reducing sugar
I. added Benedict’s solution to the sugar solution
II. added dilute hydrochloric acid to the sugar and boiled it
III. added sodium hydroxide solution to the solution in II and boiled it
IV.added Benedict’s solution to the cooled solution in III
Use the information above to answer question 22 to 24
22. Why did the student add the dilute hydrochloric acid to the sugar solution?
A. oxidize the sugar solution
B. hydrolyse the sugar solution
C. dry the sugar solution
D. increase the volume of the sugar solution
23. What is the importance of step II in the testing process? To
A. neutralize the sugar solution
B. Soften the sugar solution
C. change the colour of the sugar solution
D. increase the acid content of the sugar solution
24. The colour change to be observed in step IV is
A. blue-black
B. brick-red
C. purple
D. violet
25. Which of the following organs of the alimentary canal is not correctly matched with its function ?
A. Gall bladder – stores bile
B. Liver – stores bile
C. Appendix – releases enzymes
D. Teeth – grind
26. A person suffering from obstruction of the bile duct is advised not to eat fats and oil because
A. bile digests fats and oil
B. fats and oil can only be absorbed when bile is absent
C. bile emulsifies fats and oil
D. bile adds water to digesting food
27.A community reaches a climax when
A. only pioneer organisms are present
B. new habitat are constantly being formed
C. there is an introduction of new plants ad animal species within the community
D. the composition and size of a community remains constant over a long period
28. Which of the following components make up an ecosystem?
A. Decomposers, animals and non-living factors
B. Living and non living factors
C. Plants and non living factors
D. Plants, decomposers and non-living factors
29. The major problem is experienced by organisms living in a water bodies is
A. drying up
B. oxygen deficiency
C. scarcity of food
D. wave action
30. The capillarity of a soil refers to
A. the particle size of soil
B. how easily water passes through soil
C. how well water rises up in soil
D. proportion of water a soil holds
31. An organisms at the starts of a food chain which provides the total inputs of energy into an ecosystem is the
A. sun
B. producers
C. consumers
D. decomposer
Study the diagram and use it to answer 32 to 34
32. The mode of nutrition of the plant in the diagram is
A. Photosynthetic and chemosynthetic
B. Saprophytic and carnivorous
C. photosynthetic and carnivorous
D. Chemosynthetic and saprophytic
33. The structure labelled I is
A. pitcher
B. an onion
C. a flower
D. a tendril
34. In which type of soil is the plant found? Soil that is
A. poorly aerated
B. water logged
C. exposed
D. nitrogen deficient
35. Which of the following organisms is an endo-parasite
A. Tapeworm
B. Flea
C. Tick
D.Aphid
36. Oil applied to the surface of water kills the larvae of mosquitoes through
A dehydration
B. poisoning
C. starvation
D. suffocation
37. Which of the following natural resources is most readily available to all organisms?
A. Oil
B. Water
C. Air
D. Food
38. Which of the following resources is non-renewable?
A. Forest reserve
B. Mineral deposit
C. Water
D. Wild life
39. Soil erosion could be prevented by
A. flooding a farmland
B. cover-cropping
C. deforestation
D. leaving the soil bare
40.Which of the following traits is not inheritable? Ability to
A. taste PTC
B. roll the tongue
C. move the ear
D. roll the eyeball
42. A woman with blood group A gives birth to a child with blood group O, which of the following blood groups cannot belong the father?
A. A
B. B
C. AB
D. O
43. How many chromosomes will be in a gamete if the normal cell has four chromosomes?
A. 2
B. 4
C. 6
D. 8
Use the diagram below to answer question 44 and 45
Which of the following statement about the cross is correct?
A. The gene for the spotted coat is recessive to the gene for the black coat
B. Black coat and spotted coat are co-dominant
C. The gene for the spotted coat is dominant over the gene for the black coat
D. The genotype for the F1 are homozygous dominant
45. What are the genotypes of the parents if the gene for colour is H?
|
|
Spotted Leopard |
Black Panther |
|
A |
HH |
hh |
|
B |
HH |
Hh |
|
C |
Hh |
Hh |
|
D |
Hh |
Hh |
46. According to Mendel’s first law of inheritance, segregation of genes occur when
A. tall plants are crossbred
B. short plants are crossbred
C. tall plant and short plants are crossbred
D. plants are crossbred
47. Which of the following statement about sex-linked characters is not true?
A. They are usually borne on the X – chromosomes
B. They are more common in males
C. Males are usually carriers
D. They are not usually carried on the Y chromosomes
In explaining the term camouflage to a class, the diagram below showing four varieties P, Q, R, and S of the same species of fish living amongst water plants in a river were used
Use the diagram to answer question 48 to 50
48. Which of the varieties is likely to decrease most in number if a predatory fish is introduced into the river
A. P
B.Q
C. R
D. S
49.Which of the varieties is most likely to outlive the others
A. P
B. Q
C. R
D. S
50. The variety selected in question 49 will outlive the others because the
A. variety is the most beautiful
B. variety does not have markings
C. makings of the variety are similar to those of the environment
D. predator does not like eating the variety