BECE 2019 Integrated Science Paper 1 Objectives
BECE PAST QUESTIONS
BECE 2019
BECE 2019 Integrated Science Paper 1
Objectives
1. Steel is an alloy of iron and
A. aluminium
B. carbon
C. silicon
D. gold
2. An atom that has lost one or more electron(s) is called
A. a molecule
B. a proton
C. an ion
D. a negative particle
3. In all machines, the efficiency is
A. always 100 %
B. less than 100%
C. more than 100%
D. always 0%
4. In electronic circuits, LEDs are used to indicate the absence or presence of
A. voltage source
B. p-n junction
C. electric current
D. emitter and collector
5. Which of the following statements about the scientific method is/ are correct? It provides
I. logical procedure for arriving at knowledge
II. knowledge that can be verified
III. knowledge that can never be changed
A. I only
B. I and II only
C. I and III only
D. II and III only
6. Which of the following substances is a compound?
A. Hydrogen
B. Nitrogen
C. Oxygen
D. Water
7. Which of the following source(s) of energy is/are renewable?
I. Solar
II. Crude oil
III. Wind
A. I only
B. I and II only
C. I and III only
D. I, II and III
8. The pressure in fluids
A. increases with depth
B. decreases with depth
C. acts upwards at any point
D. acts differently in all directions
9. Which of the following chemical equations is balanced?
10. Lime juice tastes sour because it is
A. acidic
B. alkaline
C. basic
D. salty
11.A metal black has a mass of 1.0 kg. What is the volume of the block if its density is 10kgm-3?
A. 0.01 m3
B. 0.10 m3
C. 1.00 m3
D. 10.00 m3
12. It is easier to move a heavy load with a crowbar when the
A. effort distance is shorter than the load distance
B. effort distance is longer than the load distance
C. effort distance of distance equal to the load distance
D. effort is equal to the load
13. Benedict’s solution was added to a mixture in a test tube and it turned brick red when heated. The mixture is likely to contain
A. glucose
B. vitamin
C. can start a motion
D. can change the direction of a moving
14. Chlorine gas is an example of
A. an atom
B. an element
C. a compound
D. a molecule
15. Which of the following statements about a force are correct? It
I. is measured in newtons
II. is measured in newton-metre
III. can start a motion
IV. can change the direction of a moving body
A. I and II only
B. I and III only
C. I, III and IV only
D. I, II, III and IV
16. Kerosene is able to reach the other end of a wick by
A. diffusion
B. suction pressure
C. capillary action
D. osmosis
17. Which of the following processes is used to separate insoluble solids from liquids?
A. Sublimation
B. Filtration
C. Evaporation
D. Crystallization
18. Which of the following chemical compounds is used in removing hardness in water?
A. NaCl
B. NaOH
C. NA2CO3
D. NaHCO3
19. When a thermometer is put in hot water, the mercury level rises because the mercury increases in
A. density
B. mass
C. volume
D. weight
20. The workdone when a force moves a body through a distance of 12 m is 720 J. The force applied is
A. 8640 N
B. 732 N
C. 708 N
D. 60 N
21. Which of the following compounds is neutral to litmus paper?
A. HCL
B. H2O
C. NaOH
D. KOH
22. A balanced diet is one which is made up of
A. right proportions of protein, carbohydrates and oils
B. equal amounts of protein, carbohydrates and oils
C. enough water and iodated salt
D. vegetables, fruits and water
23. The ovule in a flower develop to form the
A. fruit
B. leaf
C. seed
D. stem
24. Water drains faster through sand than clay because
A. sand particles are rougher
B. sand contains more air space
C. clay particles are smother
D. clay particles are bigger
25. The best method of checking erosion on a slope is
A. cover cropping
B. mixed contains
C. contour ploughing
D. mulching
26. The housefly is an agent for the spread of
A. cholera
B. malaria
C. measles
D. tuberculosis
27. Which of the following substances are carried by the blood?
I. Nutrients
II. Urine
III. Oxygen
IV. Carbon dioxide
A. II and III only
B. I, II and IV only
C. I and III only
D. I, III and IV only
28. Which of the following statements about a plant cell is correct? It
A. does not have a nucleus
B. contains large vacuoles
C. is surrounded by the cell membrane only
D. does not have a definite shape
29. The study of the soil profile of an area helps the farmer to
A. control weed growth
B. determine the soil temperature
C. determine the types of crop to grow
D. know the pesticides to use
30. The term leaching in soils refers to
A. accumulation of organic matter
B. decomposition of plant materials fixation
C. fixation of nitrogen
D. removal of soil nutrients by water
31. How many stages does the mosquito go through in its life cycle of development?
A. 1
B. 2
C. 3
D. 4
32. Which of the following enzymes helps in the digestion of protein in the human stomach?
I. Proteases
II. Amylase
III. Lipase
A. I only
B. II only
C. I and II only
D. II and III only
33. Kidneys absorb water from the bloodstream humans through the process of
A. diffusion
B. egestion
C. osmosis
D. assimilation
34. An example of soil macro-nutrients is
A. copper
B. calcium
C. phosphorus
D. potassium
35. The vegetable crop that staking during its growth is
A. sweet pepper
B. garden eggs
C. tomatoes
D. hot pepper
36. The function of the white blood cells in human is to
A. produce haemoglobin
B. produce digestive enzymes ensure blood clot during an injury
C. ensure blood clot during an injury
D. produce antibodies to fight disease causing organisms
37. The carpel of a flower is made up of the following parts except
A. filament
B. ovary
C. style
D. stigma
38. A food web shows how
A. food produced by plants is distributed to other parts of the plant.
B. an organism protects itself in its environment
C. organisms depend on one another for shelter
D. food produced by green plants is distributed among organisms in a community
39. Balanced ration enables animals to
A. increase infertility rate
B. maintain normal growth
C. increase meat production
D. maintain energy level of work animals
40. Cultural practices are activities undertaken on a farm
A. after harvesting and before processing
B. before maturity and after harvesting
C. after planting and before harvesting
D. before transplanting seedlings
.webp)
are the answers available sir?
ReplyDeleteYes pls
ReplyDelete