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Nyeri County Mock Exam: Standard Eight Science 2016 Question Paper
Nyeri County Mock Exam: Standard Eight Science 2016
Course:Science
Institution: Class 8 question papers
Exam Year:2160
Nyeri County Mock Exam
Standard Eight 2016
Science
1. The best way to prevent tuberculosis is by
A. Isolating the sick people
B. Immunization
C. Proper sanitation
D. Living in a well ventilated house
2. Which body waste is excreted by all the
excretory organs?
A. Excess water
B. Nitrogenous waste
C. Carbon dioxide
D. Salts
3. Which fist of crops given below consist of fibre
crops only?
A. Coffee, cocoa, tea
B. Tea, coconut, cotton
C. Sisal, coconut, palm
D. Coconut, sunflower, coffee
4. Among the methods of preventing spread of
HIV which one is the most effective to young
newly married couples?
A. Use of condoms
B. Abstinence
C. Abstinence and being faithful
D. Being faithful
The diagram below shows a diagram of a
set - up of transformation of energy
5. Which energy transformation took place at point
marked X and Y respectively?
A. Chemical and electrical
B. Magnetic and chemical
C. Electrical and magnetic
D. Mechanical and electrical
The diagram below represent a set-up that
was used by pupils to investigate a certain
aspect of heat
6. What were they investigating?
A. Conductivity in solids
B. Melting of solids
C. Expansion of solids
D. Good and bad conductors of electricity
7. Three of the following are socia elffects of
abusing drugs except?
A. Drug induced accidents
B. Rape
C. Truancy
D. Withdrawal syndromes
8. Which sources of electricity given below does
not produce electricity the same as bicycle
dynamo?
A. Solar panel
B. Hydroelectricity
C. Geo - thermal
D. Wind driven turbine
9. Whichcme of the following is not a disadvantage
of hard water?
A. Hard water we soap
B. Hard water block water taps with scale
C. Hard water is good for drinking
D. Hard water is not good for irrigation
10. The transfer of heat where there is no medium
takes place through
A. Solid
B. Liquid
C. Vacuum
O. Gases
11. Which one of the following sentenses does not
describe cumulus clouds?
A. They bring rain
B. They are thick and feathery
C. They have a flat base
D. They are common in fine weather
12. The following are control measures for HIV/AIDS
except
A. Creating awareness
B. Mass education
C. Campaign in media
D. Abstaining
13. Whichone of the following is not a way of
controllingg water pollution?
A. Educating farmers
B. Proper treatment of sewage
C. Recycling
D. Heavy fines irnposectin Indu8tries
14. Which ,one of the fGHowing is not a mass media
education against HIV and AIDS?
A. Public rallies
B. Concerts
C. Seminars
D. Billboards
15. In which one of the following parts of the skin
are sweat glands located?
A. Oil glands
B. Pores
C.Dermis
D. Epidermis
16. Which one of the following adaptation features
helps a cactus plant reduce water Ioss?
A. Swollen stem
B. Green stem
C. Deep roots
D. Thorn-like leaves
17. Why should compost materials be turned
severally during preparation?
A. To encourage uniform rotting of material
B. To reduce the smell of the material
C. To check whether the manure is ready for use
D. To allow quick water penetration in the
compost heap.
18. The following are methods of disposing waste.
Which one would have the worst effect on the
environment?
A. Pouring old used oil on grass
B. Burying broken pieces of glass into the
ground
C. Throwing wood ashes onto crops
D. Burning saw dust as a source of heat .
19. The statements below are of foetus. Which
one is not correct?
A. The foetus waste products are removed through the placent
B. The foetus receives food from the mother''''s blood
C. The foetus receives oxygen through the
placenta .
D. The foetus and the mother''''s blood mix at
the placenta
20. Which one of the following food is correctly
matched to its group?
A. Groundnuts - Energy giving
B. Eggs - Protective
C. Carrots - Energy giving
D. Bananas - Body building
21. Which one of the following is a reason why a
glass container is likely to break if hot water is
poured into it?
A. Sudden expansion of the inner side of the
glass wall
B. Sudden expansion of air in the container
C. Sudden contraction of the outer side of the
glass wall
D. The fact that the heated water had expanded
22. Which of the following belongs to the class of
animals to which the spider belongs?
A. Cr.ab B. Cockroach
C. Ttc.k
D. Termite
23. Which of the following teeth does a dog use as
a weapon of offence and defence?
A. Incisors
B. Molars
C. Premolars
O. Canines
24. Which one of the following is a not a reaction of
changes in the surrounding?
A. When it is hot animals go under a shade
B. When it is raining animals take shelter
C. Pupils run to their classrooms when it is
raining
D. Elephants move to drink water in the river
25. The following symptoms were observed on
someone
(i) Loss of body weight
.(ii)Blockage of bile and pancreatic ducts
(iii) Holes on the intestines .
The parasite that causes these symptoms is
A. Liver fluke
B. Tapeworm
C. Hookworm
D. Round worm
26. Friction can be increased by
A. Using friction resistant materials
B. Making the surfaces rougher
C. Heating the moving parts
D. Using ball bearings
27. Which one of the following tools can be used for
digging a hard soil?
A. Sickle
B. Jembe
C. Forked jembe
D. Spade
28. Which one of the following is a chemical that
can be used by farmers to control diaeases in
crops?
A. Insecticide
B. Herbicide
C. Fungicide
O. Acaricide
29. Which one of the following methods of farming
would lead to soil erosion.?
A. Contour farming
B. Ploughing across the slope
C. Ploughing along the slope
D. Growing pasture crops
30. Which one of the following least conserves the
soil?
A. Terracing
B. Contour ploughing
C. Mulching
D Planing pasture crops
31. The following are some physical changes that
are observed in adolescents.
(i) Pubic hair grows
(ii)Pimples may appear on the face
(iii) Voice breaks
(iv) Hips become broader
Which of the changes take place in boys?
A. i, ii, iv
B. i, ii, iii
C. ii, iii, iv
D. i, iii, iv
32. Which one of the following is incorrect?
A. Unhygienic practices of handling food can lead to food contamination
B. Food contamination can lead to food poisoning
C. Frozen food does not haveto fully thaw before preparation
D. Moisture and darkness allow growth of micro-organisms
33. The first yellow breast milk which provide
immunity to diseases is called
A. Mastitis
B. Lactation
c. Colostrum
D. Thick milk
34. Which of the following foods gives us energy to
work?
A. Cooked bananas
B. Chicken meat
C. Carrots
D.Simsim
35. The following are disadvantages of stall feeding
except
A. Diseases spread faster
B. A lot of labour is required
C. Less space needed
D. Expensive to start
36. Which one of the following animals is not a
mammal?
A. Bat
B. Trout
C. Whale
D. Seal
37. Rose used the set - up below to investigate
pressure in liquids
The jets flow out water equally. This is because
A. Pressure in liquids is equal at same level
B. Pressure in liquids increases with depth
C. Pressure reduces with eight
D. Pressure in liquids incteases with force
38. Which one of the following is a source of energy
giving food?
A. Fish
C. Spinach
B. Bacon
D. Peas
The set-ups below were used to investigate capillarity of water In different types of soils
39. Which one of the following need not be the same?
A. Amount of the soil
B. Size of the containers
C. Size of glass tubes
D. Amount of cotton wool
40. . Which one of these components is found in all environments?
A. Air
B. Water
C. Soil
D. Plants
41. Which one of the following is a use of fibre in the
diet?
A. Helps in getting rid of undigested food
B. Helps in digestion of food
C. Aids in absorption of digested food
D. Adds specific nutrients to the body
42. Which one of the following crop pests is correctly
matched with the part of crop it attacks?
Pest-------------- Part of crop
A. Army worms----------- Leaves
B. Weevils--------------Stem
C. Stalk borers-----------Leaves
D. Cutworms-----------Flowers
43. Which one of the following pair of plants has root
nodules?
A. Beans and tomatoes
B. Groundnuts and green grams
C. Peas and potatoes
D. Cabbages and kales
44. Which one of these pair of components of the environment do all animals depend on?
A. Air and soil
B. Water and air
C. Water and soil
D. Plants and soil
45. The main difference between fruits and seeds is that:
A. Fruits are edible but seeds are not
B. Seeds have dull colours but fruits are brightly
coloured
C. Fruits have two scars but seeds have one
D. Seeds are small but fruits are large
46. The chart below show a simple classificaton of plants. Which one of the following pairs represents W and X?
W -------------------- X
A. Fern-------------Sisal
B. Cypress---------Moss
C. Onion-----------Kale
D. Sugar cane-----Cedar
47. Which of the following vaccines isgiven to a child
aged 21/2months?
A. BPT3
B. DPT2
C. Polio 2
D. BCG
48. Which one among the following diseases is the
odd one out?
A. Syphilis
B. Gonorrhoea
C. Chancroid
D. AIDS
49. Which one these soil components is least
affected when soil in a container is heated?
A. Organic matter
B. Water
C. Air
D. Mineral salts
50. Which of the following descriptions of human teeth correctiy matches to its functions?
Teeth description---------------------------- Function
A. Rough surface with two roots-----Cutting and grinding
B. Pointed topwith one root----Tearing and crushing
C. Rough surface with three roots ----- Crushing and grinding
D. Chisel shaped with one root --------Tearing and cutting
Marking Scheme/Answers
1. B
2. A
3. C
4. D
5. C
6. A
7. D
8. A
9. C
10. C
11. A
12. D
13. B
14. D
15. C
16. D
17. A
18. A
19. D
20. A
21. A
22. C
23. D
24. D
25. D
26. B
27. C
28. B
29. C
30. C
31. B
32. C
33. C
34. A
35. C
36. B
37. A
38. B
39. B
40. A
41. A
42. A
43. B
44. B
45. C
46. D
47. B
48. D
49. D
50. C
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