BECE 2000 Integrated Science Paper 1
BECE PAST QUESTIONS AND ANSWERS
BECE 2000 INTEGRATED SCIENCE
Objectives - Paper 1
Answer three questions only from this section.
Illustrate
your answers wherever possible, with large, clear and fully labelled
diagrams. Credit will be given for clarity of expression and orderly
presentation of material.
All questions carry equal marks
1. Which of the following organs is used by the fish for movement?
A. eye
B. fin
C. gill
D. tail
E. mouth
2. A group of stars found in the universe is called
A. galaxy
B. meteor
C. meteorite
D. planet
E. solar system
3. The basic unit of matter is the
A. atom
B. compound
C. element
D. electron
E. ion
4. Which of the following process is a physical change?
A. Rusting of iron
B. Burning of paper
C. Melting of ice
D. Fermentation of palm wine
E. Boiling of an egg
5. The organ that removes metabolic wastes from the human body is
A. anus
B. heart
C. kidney
D. rectum
E. spleen
6. The food chain that occurs in nature is
A. green plants → lizards → insects → snakes
B. grasshopper → green plants → lizards → hawks
C. green plants → snakes → hawks → man
D. green plants → grasshopper → lizards → snakes
E. mice→ lizards → hawks → snakes
7. The device that uses an electromagnet in its operation is the
A. electric bell
B. electric iron
C. radio
D. refrigerator
E. sewing machine
8. Which of the following statements about mammals is true?
A. They have hairs
B. They lay eggs
C. They have feathers
D. They have beaks
E. They are cold-blooded
9. The parasite that is found on dogs is
A. capsid
B. guinea worn
C. plasmodium
D. tape worm
E. tick
10. The substance that sublimes when heated is
A. baking powder
B. camphor
C. common salt
D. sugar
E. sulphur
11. In plants, when the male gamete fuses with the egg, the first structure that is formed is the
A. embryo
B. testa
C. fruit
D. seed
E. zygote
12. Clayey soil holds more water than any other type of soil because it has
A. large particle size
B. larger air spaces
C. irregular particle size
D. greater attraction for water
E. reduced air spaces
13. Disposal of urine and faeces into a river used for domestic purposes, may cause the outbreak of
A. bilharzia
B. malaria
C. river blindness
D. tetanus
E. tuberculosis
14. The temperature of 20°C on the Kelvin scale is
A. 253 K
B. 263 K
C. 273 K
D. 283 K
E. 293 K
15. The heavenly body that produces and emits its own light is
A. Mars
B. meteorite
C. the moon
D. the sun
E. Venus
16. Desert plants shed their leaves to reduce the rate of
A. absorption
B. diffusion
C. osmosis
D. respiration
E. transpiration
17. Which of the following materials transforms electrical energy into light energy?
A. Electrical bell
B. Filament bulb
C. Electric guitar
D. Lantern
E. Radio
18. The name of the smallest blood vessel in humans is
A. artery
B. arteriole
C. capillary
D. vein
E. venule
19. Which of the following activities is a reflex action?
A. Eating
B. Fighting
C. Learning
D. Sneezing
E. Writing
20. The method of separation used in the treatment of water at the water works is
A. decantation
B. distillation
C. evaporation
D. magnetization
E. precipitation
21. The gas produced when dilute hydrochloric acid is added to calcium carbonate is
A. ammonia
B. carbon dioxide
C. chlorine
D. hydrogen
E. oxygen
22. Which of the following environmental factors increases sweating in humans?
A. Low temperature
B. Low pressure
C. High pressure
D. High temperature
E. High humidity
23. Which of the following crops is propagated vegetatively?
A. Cassava
B. Coconut
C. Mango
D. Okro
E. Tomato
24. The type of energy stored in food is referred to as
A. chemical energy
B. electrical energy
C. heat energy
D. kinetic energy
E. light energy
25. The end product of protein digestion is
A. amino acids
B. glucose
C. maltose
D. poly-peptide
E. sucrose
26. The attracting power of magnets is greatest at the
A. centre
B. edges
C. poles
D. sides
E. surface
27. The substances which help in the digestion of food materials are called
A. enzymes
B. hormones
C. lymph
D. mucus
E. plasma
28. The transfer of heat through a solid medium is by
I. conduction
II. convection
III. radiation
A. I only
B. II only
C. III only
D. I and II only
E. II and III only
29. Casual and loose sex life can result in the spread of
A. AIDS
B. cholera
C. poliomyelitis
D. malaria
E. tuberculosis
30. Which of the following conditions will cause the same quantity of sugar to dissolve faster in a given volume of water?
A. Stirring the solution
B. Grinding the sugar
C. Heating the solution
D. Dissolving in a bigger container
E. Cooling the solution
31. The raw material for photosynthesis is
A. carbon dioxide
B. chlorophyll
C. mineral salts
D. oxygen
E. sunlight
32. Which of the following heavenly bodies is at the centre of the planetary system?
A. Earth
B. Mercury
C. Pluto
D. Sun
E. Venus
33. Legumes are generally included in crop rotation because they
A. are easy to uproot in preparation for the next planting season
B. are able to fix atmospheric nitrogen in the soil
C. have short life span
D. are good cover crops
E. have high market value
34. The insect which transmits the plasmodium parasite is called
A. butterfly
B. cockroach
C. housefly
D. mosquito
E. tsetse fly
35. The property of water that causes mosquito larvae to float on it is
A. density
B. viscosity
C. surface tension
D. volume
E. capillarity
36. Which of the following practices is a bad habit?
A. Keeping one’s surroundings tidy
B. Drinking clean water
C. Covering one’s food
D. Using a brother’s towel and comb
E. Washing of hands before eating
37. Addition of more solvent to a solution makes the solution more
A. dense
B. dilute
C. concentrated
D. saturated
E. super saturated
38. An atom has 4 protons and 5 neutrons in its nucleus. How many positively charged particles are in the atom?
A. 1
B. 2
C. 3
D. 4
E. 5
39. Which of the following statements about all living things is / are true?
I. They respire
II. They manufacture their own food
III. They grow
A. I only
B. II only
C. I and II only
D. I and III only
E. II and III only
40. Spectacle with converging lens are used by people suffering from
A. cataract
B. glaucoma
C. headache
D. long-sightedness
E. short-sightedness
.webp)
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