BECE 1997 Integrated Science Paper 1

     

BECE PAST QUESTIONS AND ANSWERS

BECE 1997 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. Digested food is absorbed into the blood stream through the

A. duodenum

B. large intestines

C. rectum

D. small intestines

E. stomach



2. Which of the following is parasite?

A. Fruitfly

B. Housefly

C. Mosquito

D. Tick

E. Tsetse fly



3. Soil acidity can be reduced by adding

A. acid solution

B. ammonium sulphate

C. fertilizer

D. lime

E. rotten leaves



4. The planet earth is located in a galaxy known as

A. constellation

B. meteorites

C. milky way

D. satellite

E. super nova



5. The most productive soil in agriculture is

A. clayey soil

B. loamy soil

C. sandy soil

D. humus


E. silt



6. A chemical that can be used to test for the presence of protein in food substances is

A. Benedict’s solution

B. Fehling’s solution

C. Eosin solution

D. Iodine solution

E. Million’s reagent



7. According to the principle of conservation of energy, ‘energy can
A. be created and destroyed

B. be created but not destroyed

C. be destroyed but not created

D. be reduced but not increased

E. neither be created nor destroyed




8. The purpose of vaccination is to

A. replace poisoned tissues

B. kill disease-producing organisms in the body

C. increase the activity of white blood cells

D. induce the production of antibodies

E. cure the disease



9. Which of the following planets may be seen as a bright star in early mornings or evenings?

A. Jupiter

B. Mars

C. Saturn

D. Uranus

E. Venus



10. Which of the following gives the correct order by which blood circulates continuously through the circulatory system?
A. Heart → veins → organs → arteries → heart

B. Heart → arteries → organs → veins → heart

C. Heart → arteries → veins → organs → heart

D. Heart → organs → arteries → veins → heart

E. Heart → veins → arteries → organs → heart



11. The weight of an object is the

A. force with which the sun pulls it

B. force with which the moon pulls it

C. force of the object when gravity is not acting on it

D. force with which gravity acts on it

E. mass of the object



12. The process of fusion of sperm and ovum is known as

A. fertilization

B. menstruation

C. pollination

D. reproduction

E. lactation



13. How much work is done when a kerosene tin is pushed with a force of 20 N through a distance of 2 m?

A. 0.01 J

B. 0.10 J

C. 10.0 J

D. 20.0 J

E. 40.0 J



14. Which of the following form part of the alimentary canal?

I. Colon

II. Gullet

III. Liver

IV. Pancreas



A. I and II only

B. I and IV only

C. II and III only

D. II and IV only

E. I, II and III only



15. An example of a simple lever whose effort is at its centre is

A. a bottle opener

B. a pair of scissors

C. a pair of forceps

D. the beam balance

E. wheelbarrow



16. Which of the following leaves are sensitive to touch?

A. Cassava leaves

B. Mimosa leaves

C. Orange leaves

D. Palm leaves

E. Tomato leaves



17. Which of the following properties is / are common to both liquids and gases?

A. Fixed shape

B. Fixed shape and fixed volume

C. Fixed size

D. No definite shape

E. No definite shape and no definite volume



18. Which of the following plants has suckers?

A. Onion

B. Orange

C. Plantain

D. Sweet Potato

E. Yam



19. Which of the following activities of man causes both air and water pollution?

A. Afforestation

B. Construction of houses

C. Construction of roads

D. Deforestation

E. Industrialization



20. The number of hydrogen atoms present in two molecules of water is

A. 1

B. 2

C. 3

D. 4

E. 5



21. Decay is an important biological process because it brings about the

A. formation of nutrients in living organisms

B. manufacture of cells of living organisms

C. production of oxygen by plants

D. release of nutrients from dead organisms

E. release of waste substances from bacteria



22. The darkest part of a shadow formed during an eclipse is called

A. annular eclipse

B. lunar eclipse

C. penumbra

D. solar eclipse

E. umbra



23. Which of the following particles can be found in the nucleus of an atom?

A. Electrons and protons

B. Electrons and shells

C. Neutrons and electrons

D. Neutrons and protons

E. Shells and neutrons



24. Which of the following substances is used to purify water for town supply?

A. Alcohol

B. Carbon dioxide

C. Chlorine

D. Nitrogen

E. Sulphur



25. The shedding of leaves by plants during the dry season protects them against

A. bush fire

B. cold weather

C. plant-eating animals

D. heat loss

E. water loss



26. The volume of water in a container rises when a piece of stone is put into the container. The change in the volume of water is equal to the

A. mass of the container

B. mass of the stone

C. density of the stone

D. density of the water

E. volume of the stone



27. Which of the following carry deoxygenated blood in the body?

A. Arteries

B. Red blood cells

C. Valves

D. Veins

E. White blood cells



28. Which of the following forces will cause an object to move in a circular path?

A. Centripetal force

B. Gravitational force

C. Inertial force

D. Reaction force

E. Tensional force



29. The paired fins in fishes are used for

A. protection and diving

B. diving and balancing

C. balancing and control

D. steering and diving

E. balancing and steering



30. In which of the following is urine produced?

A. Bladder

B. Kidney

C. Liver

D. Penis and vagina

E. uterus



31. Photosynthesis occurs only in green plants because they

A. absorb water

B. are found in the tropics

C. are very active

D. contain chlorophyll

E. take in carbon dioxide



32. The food we eat undergoes slow oxidation in our bodies to produce heat. In this process

A. chemical energy is converted to heat energy

B. electrical energy is converted to heat energy

C. kinetic energy is converted to heat energy

D. mechanical energy is converted to heat energy

E. potential energy is converted to heat energy



33. Which of the following planets is nearest to the earth?

A. Jupiter

B. Mercury

C. Pluto

D. Saturn

E. Venus



34. Which of the following organs help to improve soil fertility?

A. Earthworms

B. Guinea worms

C. Hookworms

D. Roundworms

E. Threadworms



35. A stone released from a catapult was able to kill a bird because

A. the stone had a lot of energy

B. the stone was sharp

C. there was tension in the stone

D. the rubber of the catapult was strong

E. the stone was big



36. Which of the following is a plant parasite?

A. Capsid

B. Caterpillar

C. Dodder

D. Louse

E. Nematode



37. By the end of digestion, lean meat is turned into

A. amino acids

B. fatty acids

C. glycerol

D. glucose

E. sugar



38. In which of the following electrical appliances is electrical energy mainly converted to heat energy?

A. Cooker

B. Fan

C. Refrigerator

D. Tape recorder

E. Television set



39. The energy for lighting a torchlight bulb comes from the

A. bulb

B. cell

C. filament

D. glass

E. switch



40. The largest component of sweat is

A. glucose

B. oil

C. salt

D. urea

E. water