1. The non-metal among the following elements is
A. argon
B. manganese
C. mercury
D. sodium
A
2. Which of the following processes brings about the disintegration of a rock?
A. dissociation
B. metamorphosis
C. moulting
D. weathering
D
3. The organelle responsible for respiration is
A. endoplasmic reticulum
B. mitochondrion
C. plasma membrane
D. ribosome
B
4. An alloy containing copper and zinc as it constituent element is
A. brass
B. bronze
C. duralumin
D. steel
A
5. Indigestion is caused by
A. drinking a lot water
B. taking unbalanced diet
C. improper chewing of food
D. inadequate intake of food
C
6. The best way to get the cursor of the mouse to the next line when using the computer is press the
A. enter key
B. escape key
C. shift key
D. tab key
A
7. An example of a biological polymer is
A. cellulose
B. dacron
C. nylon
D. polyethylene
A
8. Lime is added to soil mainly to
A. increase water permeability
B. destroy micro-organisms
C. remove carbonates
D. reduce acidity
D
9. The heart is divided into left and right halves by the
A. cardiac muscles
B. papillary muscles
C. septum
D. tendon
C
10. Which of the following characteristics determines the colour of light?
A. amplitude
B. frequency
C. intensity
D. velocity
B
11. An aqueous solution of an acid
A. liberates hydrogen with active metals
B. turns red litmus blue
C. has a soapy feel
D. has a bitter taste
A
12. Sexual reproduction has more advantages compared with asexual reproduction mainly because it
A. is quicker than asexual reproduction
B. provides more offspring than asexual reproduction
C. brings about variation
D. takes place at all times
C
13. Calculate the kinetic energy of an athlete of mass 60 kg running at 8 ms-1
A. 2.40 x 103 J
B. 2.60 x 102 J
C. 1.92 x 103 J
D. 3.84 x 103 J
C
14. What is the value of x in the equation:
CaCO3(8) + x HCl(aq) ⇔ CaCl2(8) + CO2(g) + H2O(1)
A. 1
B. 2
C. 3
D. 4
B
15. Exhaled air may readily put off a burning candle because it contains high levels of
A. carbon dioxide and moisture
B. heat and oxygen
C. nitrogen
D. oxygen and nitrogen
A
16. Which of the following crosses is a test-cross?
A. WW x WW
B. WW x Ww
C. Ww x ww
D. Ww x Ww
C
17. Safety devices to be used in chemistry laboratory include
I. a pair of goggles
II. nose guard
III. crash helmet
IV. hand gloves
A. I, II and III only
B. I, II and IV only
C. II, III, and IV only
D. I, II,III and IV
B
18. All the following preparations are required by a poultry farmer before his chicks arrive except
A. putting litter in the brooder house
B. putting feed in the feeder three days before chicks arrives
C. washing the brooder house
D. cleaning and drying the equipment in the brooder house
B
19. Which of the following parts of a computer is an output device?
A. joystick
B. keyboard
C. plotter
D. scanner
C
20. Organisms with their nuclear material diffused in the cytoplasm belong to the kingdom
A. Animalia
B. Fungi
C. Prokaryotae
D. Protoctista
C
21. The struggle for survival among individuals of the same species arises because
A. they exhibit cannibalism
B. they share the same limited resources together
C. each individual produces a large number of offspring
D. each individual has equal chance of survival
B
22. Which the of the following compounds does not show covalent characteristics?
A. ammonia gas
B. ethanol
C. hydrogen chloride
D. sodium chloride
D
23. Which of the following statements is not true about boiling and evaporation?
A. boiling takes places throughout the liquid
B. evaporation takes place at the surface of the liquid
C. both boiling and evaporation take place at specific temperatures.
D. evaporation results in cooling
C
24. The tissue which is likely to stain red when a herbaceous plant is placed in a red solution for about two hours is the
A. cambium
B. paranchyma
C. phloem
D. xylem
D
25. Lateral inversion is a phenomenon in the reflection of light where
A. an image is turned upside down in a plane mirror
B. an image is formed outside a plane mirror
C. the left hand of an object becomes the right hand of its image in a plane mirror
D. an image can be projected onto a screen using a converging lens
C
26. The organization that gives humanitarian assistance to victims of war is the
A. Food and Agriculture Organization
B. Red Cross
C. United Nations Children's Fund
D. World Health Organization
B
27. A fruit that has a fibrous mesocarp with air spaces is likely to be dispersed by
A. animals
B. explosive mechanisms
C. water
D. wind
C
28. Which of the following statements is not correct about X-rays?
A. they cause fluorescence
B. they are deflected by electric fields
C. they can produce ionization
D. they can be diffracted
B
29. Fish can be stored longest when
A. salted wet
B. salted and dried
C. smoked
D. frozen
B
30. Ornamental plans are grown for all the following reasons except
A. beautification
B. pasture
C. pleasure
D. shade
B