BECE 2015 Integrated (Int) Science Paper 1 Objectives
BECE PAST QUESTIONS AND ANSWERS
BECE 2015 INTEGRATED SCIENCE
OBJECTIVES - Paper 1
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
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 digesti
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 equa
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
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 know
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
A. have hairs
B. are sticky
C. are succulent
D. have hooks
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
A. force to move an object
B. weight to do work
C. ability to do work
D. power to carry an object
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