Download Pdf- Full BECE MOCK INTEGRATED SCIENCE with Marking Scheme

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PART 2 [60 MARKS]
Answer four questions in this section
2 (a) i. Define respiration 1marks
ii) State two differences between the types of respiration 2marks
(b)i Differentaite between potential energy and kinetic energy 2marks
(ii)A body of mass 100kg moves with velocity of 8𝑚𝑠−1
. Calculate its kinetic energy 2marks
(c)(i) Explain the term electronic configuration 2marks
(ii) State two diffeneces between protons and electrons 2marks
(d) State four importance of soil water 4marks
3. a (i ) Explain the following
α) ecosystem
β) adaptation
µ) habitat 3marks
(i) State three adaptations of a fish in its habitat 3marks
b. State four uses of the periscope 2marks
c (i) Differentiate between hard water and soft water 2 marks
(ii) State two advantages of hard water over soft water 2marks
d (i) Explain the term fertilizer application 1 marks
(ii) List four methods of fertilizer application 2 marks
4. a. State four importance of the carbon cycle 2marks
b. Explain the following
(i) soil structure
(ii) soil texture
(iii) soil porosity
(iv) soil capillarity 5marks
c.(i) Define a compound 1 mark
(ii) State three differences between a compound and a mixture 3marks
d. (i) Define frictional force 1mark
(ii) State three applications of friction 3marks
5. a. (i) Differentiate between transpiration and photosynthesis 2marks

(ii) State three importance of photosynthesis 3marks
b. (i) Define a force 3mark
(ii) State three effects of a force 1½ marks
c. (i) List two causes of permanent hardness of water 1marks
(ii) State three ways of softening hard water 1½ marks
d. (i) Explain the term cultural practice 1mark
(ii) List four cultural practices in crop production 2marks
6 a. (i) Explain the following
α) Biennial crops
β) Perennial crops 2marks
(ii) List two examples each of biennial crops and perennial crops 2marks
(b) (i) What is the meaning of roughage? 2marks
(ii) State two benefits of roughage in our diet 3marks
c (i) Differentiate between pure science and applied science 2marks
(ii) State three methods of conducting scientific research 1 ½ marks
d (i) List the particulate nature of matter 1 ½ marks
(ii) Explain the reason why atoms are electrically neutral 2marks

PAPER 1 [40 MARKS] 45 MINUTES
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 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 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 activities 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

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