BECE 1999 Integrated Science Past Questions and Answers
The BECE 1999 Integrated Science paper has 38 objective and 4 theory questions. Here are sample objective questions with the correct answers and explanations. Sit the full paper with the real time limit on ePrep.
Sample questions with answers
1. A mixture of sand and common salt could be separated by
- A. filtration and distillation
- B. dissolution and evaporation
- C. dissolution, sedimentation and evaporation
- D. dissolution, filtration and evaporation
Answer: D. dissolution, filtration and evaporation
Answer: D. Dissolve the salt, filter off the sand, then evaporate the water to get the salt.
Answer: D. Dissolve the salt, filter off the sand, then evaporate the water to get the salt.
2. What structure links the mouth to the stomach
- A. Colon
- B. Duodenum
- C. Oesophagus
- D. Rumen
Answer: C. Oesophagus
Answer: C. The oesophagus links the mouth to the stomach.
Answer: C. The oesophagus links the mouth to the stomach.
3. Which of the following organisms causes bilharziasis?
- A. Blood fluke
- B. Bloodworm
- C. Liver fluke
- D. Roundworm
Answer: A. Blood fluke
Answer: A. Bilharzia is caused by the blood fluke (Schistosoma).
Answer: A. Bilharzia is caused by the blood fluke (Schistosoma).
4. Which of the following processes is a chemical change?
- A. Digestion of starch by saliva
- B. Melting of wax
- C. Dissolution of sugar in water
- D. Boiling of water
Answer: A. Digestion of starch by saliva
Answer: A. Saliva changes starch to sugar — a new substance.
Answer: A. Saliva changes starch to sugar — a new substance.
5. An atom has 5 protons and 5 neutrons in its nucleus. How many electrons are present in the atom?
- A. 1
- B. 2
- C. 5
- D. 9
Answer: C. 5
In a neutral atom, the number of protons is equal to the number of electrons.
In a neutral atom, the number of protons is equal to the number of electrons.
6. Which of the following features in plants are used for defence?
- A. Buds
- B. Leaf spines
- C. Pitchers
- D. Roots
Answer and explanation: practise this paper on ePrep.
7. The ability of birds to fly depends on
- A. Their hollow hones only
- B. Their flight feathers only
- C. Their feathers covering their bodies
- D. Their hollow bones and flight feathers
Answer and explanation: practise this paper on ePrep.
8. Gases are more compressible than solids because:
- A. Solids have harder surfaces
- B. There are wider spaces between gas molecules
- C. Gases have fixed volumes
- D. The particles of solids are regularly arranged
Answer and explanation: practise this paper on ePrep.
9. Which of the following statements about machines is/are true?
I. The commonest and simplest of all machines is the lever
II. The efficiency of a machine is the ratio of work output to work input
III. The efficiency of a machine is usually less than one
IV. Machines make working much easier and convenient
I. The commonest and simplest of all machines is the lever
II. The efficiency of a machine is the ratio of work output to work input
III. The efficiency of a machine is usually less than one
IV. Machines make working much easier and convenient
- A. I only
- B. I and II only
- C. I and III only
- D. I, II and III only
- E. I, II, III and IV
Answer and explanation: practise this paper on ePrep.
10. Which of the following substances reacts with ammonium chloride to produce ammonia gas?
- A. Calcium hydroxide
- B. Calcium chloride
- C. Calcium carbonate
- D. Calcium sulphate
Answer and explanation: practise this paper on ePrep.
Answer all 42 questions of the BECE 1999 Integrated Science paper
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