BECE 2015 Integrated Science Past Question Paper One
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1
Brass is an alloy of
- A: iron and carbon
- B: zinc and copper
- C: iron and copper
- D: copper and tin
2
An example of inorganic fertilizer is
- A: ammonium nitrate
- B: cow dung
- C: farmyard manure
- D: poultry dropping
3
The component of the human blood which transports oxygen to all parts of the body is
- A: plasma
- B: platelets
- C: red blood cells
- D: white blood cells
4
The importance of the fuse in an electrical circuit is to
- A: regulate the voltage
- B: prevent damage to electrical appliances
- C: alter the flow of current in the circuit
- D: minimize the use of current
5
Which of the following step(s) is/are required in the scientific method? I. Formulation of hypothesis II. Identification of the problem III. Experimentation
- A: I only
- B: II only
- C: II and III only
- D: I, II and III
6
Which of the following food items produces amino acids as end product of digestion?
- A: Cabbage
- B: Fish
- C: Margarine
- D: Rice
7
The process of increasing the strength of a signal using a transistor is known as
- A: amplification
- B: biasing
- C: doping
- D: switching
8
The physical arrangement of soil particles into aggregates is termed
- A: soil porosity
- B: soil profile
- C: soil structure
- D: soil texture
9
The solvent which is most effective in washing bitumen from the hand is
- A: acid
- B: alcohol
- C: kerosene
- D: water
10
A piece of stone could be classified as an opaque material because it
- A: absorbs all the light incident on it
- B: does not absorb light incident on it
- C: allows all the light incident on it to pass through it
- D: does not allow light incident on it to pass through it
11
Fish swims in water with little resistance because it possesses
- A: gills
- B: scales
- C: caudal fins
- D: streamlined body
12
Which of the following conditions promote(s) rusting of iron? I. Air II. Moisture III. Oil
- A: I only
- B: II only
- C: I and II only
- D: II and III only
13
The change in the volume of water when a piece of stone is dropped into it is equal to the
- A: density of the stone
- B: mass of the stone
- C: volume of the stone
- D: weight of the stone
14
The second stage in the life cycle of a mosquito is the
- A: egg
- B: imago
- C: larva
- D: pupa
15
Which of the following objects could be attracted by a magnet?
- A: Copper chain
- B: Gold chain
- C: Steel blade
- D: Aluminium spoon
16
The knowledge of soil texture is important because it
- A: influences plant population
- B: determines the planting distance
- C: determines the type of crop to be grown
- D: influences the method of pest control
17
How many atoms are present in CaCl2?
- A: 2
- B: 3
- C: 4
- D: 5
18
The transfer of heat from the bottom to the top of a beaker containing water is by
- A: absorption
- B: conduction
- C: convection
- D: radiation
19
An example of a chemical compound is
- A: aluminium
- B: ammonia
- C: oxygen
- D: phosphorus
20
The type of the human teeth used for biting food substances is
- A: canines
- B: incisors
- C: molars
- D: premolars
21
Which of the following heavenly bodies is a star?
- A: Jupiter
- B: Moon
- C: Sun
- D: Venus
22
Which of the following organisms is an endoparasite?
- A: Fleas
- B: Louse
- C: Tapeworm
- D: Tick
23
The part of the plant where pollination occurs is the
- A: flowers
- B: leaves
- C: roots
- D: stems
24
Which of the following substances is capable of neutralizing an acid?
- A: Vinegar
- B: Water
- C: Sodium chloride
- D: Sodium hydroxide
25
Droplet infection is the method by which
- A: diseases are transmitted from animals to plants
- B: infected animals are processed
- C: human beings protect themselves from diseases
- D: diseases are spread through the air
26
An example of a derived quantity is
- A: length
- B: mass
- C: time
- D: velocity
27
A structure in the human reproductive system which stores sperms temporarily is the
- A: epididymis
- B: penis
- C: scrotum
- D: vulva
28
Which of the following statements about diffusion is/are correct? I. It involves the movement of water molecules only II. It occurs in both gases and liquids III. It involves a semi-permeable membrane
- A: I only
- B: II only
- C: I and II only
- D: I, II and III
29
A farming system which requires at least three years programme is
- A: mixed cropping
- B: crop rotation
- C: organic farming
- D: mixed farming
30
The component of a living cell responsible for respiration is
- A: chloroplast
- B: mitochondria
- C: nucleus
- D: vacuole
31
Which of the following statements about a second class lever is correct? The
- A: pivot is between the load and the effort
- B: pivot and the load are at the same position
- C: load is between the effort and the pivot
- D: effort is between the load and the pivot
32
One advantage of soft water over hard water is that soft water
- A: has a pleasant taste
- B: can prevent heart diseases
- C: does not waste soap
- D: forms scales in kettles
33
The gas produced when glucose is oxidized during aerobic respiration is
- A: hydrogen
- B: nitrogen
- C: oxygen
- D: carbon dioxide
34
The systematic name for N2O is
- A: nitrogen (I) oxide
- B: nitrogen (II) oxide
- C: nitrogen (III) oxide
- D: nitrogen (IV) oxide
35
A husbandry practice which involves the removal of unwanted plant parts is known as
- A: mulching
- B: pruning
- C: thinning
- D: pricking out
36
The number of p-n junctions in a transistor is
- A: 1
- B: 2
- C: 3
- D: 4
37
Fruits dispersed by wind
- A: have hairs
- B: are sticky
- C: are succulent
- D: have hooks
38
Substances that burn living tissues when they come into contact with these tissues are considered
- A: corrosive
- B: flammable
- C: irritant
- D: toxic
39
The function of the platelets in the circulatory system of humans is to
- A: transport oxygen
- B: transport carbon dioxide
- C: clot the blood
- D: defend the body
40
Energy is the
- A: force to move an object
- B: weight to do work
- C: ability to do work
- D: power to carry an object
End Of Paper
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