1. Which of the following activities is a reflex action?
A. reading a book
B. shedding of tears
C. singing
D. talking
2. The abbreviation DOS in computer language stands for
A. desktop on sale
B. disk operating system
C. do other series
D. drive on system
3. The leghorn is a bread of
A. cattle
B. fowl
C. pig
D. rabbit
4. Which of the following factors affects the loudness of sound?
A. amplitude
B. frequency
C. velocity
D. wavelength
5. A suitable method of reducing erosion on hilly lands is by
A. applying organic manure
B. erecting barriers
C. creating wind breaks
D. terracing
6. One characteristic of fungi is the possession of
A. chlorophyll
B. mycelia
C. roots
D. stem
7. Anaemia in piglets is caused by deficiency in
A. calcium
B. iodine
C. iron
D. sodium
8. Silicon is an example of elements that can be used for
A. electrolytes
B. insulators
C. thermostats
D. transistors
9. Hairs found on the epidermis of leaves are meant for
A. absorbing water vapour
B. breathing
C. preventing water loss
D. resisting bush fires
10. Which of the following electromagnetic radiations has the lowest frequency?
A. y-ray
B. x-ray
C. ultraviolet
D. radio wave
11. Which of the following diseases is caused by bacteria?
A. cerebrospinal meningitis
B. measles
C. poliomyelitis
D. yellow fever
12. All the following statements in Dalton's atomic theory have been modified in recent years except
A. all elements are made up of tiny indivisible particles called atoms
B. atoms cannot be created, destroyed or sub-divided
C. atoms of the same elements have same properties and same mass
D. atoms of different properties and different masses
13. When ammonium chloride salt is heated gently, it changes from
A. gas to liquid
B. liquid to gas
C. solid to gas
D. solid to liquid
14. Land breeze is a result of
A. conduction
B. convection
C. evaporation
D. radiation
15. The type of erosion in which large channels form on the soil surface is referred to as
A. gully erosion
B. rill erosion
C. sheet
D. splash erosion
The diagram below illustrates a part of the digestive system of a goat. Study it carefully and answer Questions 16 to 18.
16. The part labelled lll is the
A. abomasum
B. omasum
C. recticulum
D. rumen
17. The true stomach is labelled
A. I
B. II
C. III
D. IV
18. The function of the part labelled II is to
A. mix the ingested food with saliva
B. absorb the digested food
C. digest cellulose in the food
D. store excess carbohydrate as glycogen
19. An open place around a house where grass is established is referred to as a
A. bed
B. border
C. garden
D. lawn
20. Isotopes of the same element have all the following characteristics in common except having the same
A. number of protons
B. number of electrons
C. number of neutrons
D. atomic number
21. During the formation of rainbow, the rain droplets that hung in the sky serve as
A. a screen against poisonous gases
B. a medium of dispersing light
C. a screen against ultra violet rays
D. the source of colour for the rainbow
22. Mastitis disease of cattle is caused by
A. bacteria
B. fungi
C. protozoa
D. viruses
23. A fruit in which the pappus has been modified into a parachute is likely to be dispersed by
A. explosion
B. mammals
C. water
D. wind
24. Which of the following services are supplied by farm animals?
I. Traction for farm work
II. Raw materials for shoe industry
III. Raw materials for herbicides
A. I and II only
B. I and III only
C. II and III only
D. I, II and III
25. Which of the following substances is formed when an alkanoic acid reacts with an alkanol?
A. alkane
B. alkanoate
C. alkene
D. alkyne
26. Anthrax disease is caused by
A. bacteria
B. fungi
C. protozoa
D. viruses
27. Programmes that sneakily copy themselves onto disks used in the floppy disk drive and cause damage to other programmes are referred to as
A. databases
B. graphics
C. spreadsheets
D. viruses
28. It is advisable to use the split method of fertilizer application in very humid regions in order to
A. facilitate the absorption of nutrients by plants
B. meet with the seasonal rainfall
C. reduce the rate of fertilizer leaching
D. ensure early maturation of crops
29. Which of the following devices employs lenses for its functioning?
A. driving mirrors
B. microscope
C. periscope
D. pinhole camera
30. Which of the following substances is an example of a naturally occurring weak acid?
A. ammonia
B. citric acid
C. hydrochloric acid
D. sulphuric acid
