STANDARD FIVE

SIGNAL EXAMS 2020

SCIENCE Time: 1hr 40min

1. The main difference between green For the two boys to balance:-
and non-green plants is that green A. Kamau should move away from
plants:- the fulcrum
A. produce flowers B. they should move away
B. make their own food from the fulcrum
C. have tap roots C. Moses should move away from
D. grow in shades. the fulcrum
2. In which one of the following parts D. They should use bigger fulcrum.
does food mix with intestinal juice? 6. Which one of the following
A. Large intestine. nutritional deficiency diseases is
B. Stomach. caused by starvation?
C. Duodenum. A. Kwashiorkor B. Marasmus
D. Ileum. C. Anaemia D. Rickets
3. Which one of the following is not a 7. To increase the efficiency of tools
use of plants to people? when working, we need to:-
A. Beauty. B. Shade. A. store them properly
C. Shelter. D. Medicine. B. oil all the tools
4. A pupil in class five saw a weed with C. clean them throughly after use
the following characteristics; D. sharpen cutting tools.
(i) green white striped fruits 8. Which one of the following pieces of
(ii) purple flowers information is not likely to be found
(iii) thorny leaves and stem on a medicine bottle?
The weed seen by the pupil is likely A. Name of the doctor.
to be:- B. Expiry date.
A. sodom apple C. Date of manufacture.
B. mexican marigold D. The dose.
C. pigweed 9. Which one of the following
D. thorn apple processes is being investigated at
5. Moses and Kamau were balancing point x below?
on a see-saw as shown in the
diagram below. Cold water
x Water droplets
Mos
es

25kg
Kam
au
Stand
30kg
Source of heat
Fulcrum
A. Condensation B. Melting
C. Evaporation D. Freezing
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10. The second last stage of HIV 17. The diagram below shows how matter
infection is:- changes from one state to another
A. window B. incubation when.
C. full blown D. symptomtic.

11. Which one of the following sea

animals does not breathe through
lungs?
A. Shark. B. Seal. Which two letters represent the
C. Whale. D. Dolphin. processes that take place at the same
12. Which two factors affecting floating temperature?
and sinking make wax to float on A. S and P B. R and S
water? C. Q and R D. R and P
A. Material and size. 18. Lack of vitamin D, phosphorous and
B. Shape and size. calcium may make a child to have:-
C. Size and weight. A. knock knees
D. Weight and material. B. pale fingernails
C. brown hair
13. Which one of the following animals D. wasted muscles.
is correctly matched with its 19. When handling chemicals at home, it
product? is not advisable to:-
Animal product A. wear protective clothing
A. Sheep Mohair B. read the manufactures
B. Goat Wool instructions
C. Cattle Dairy C. spray against the wind
D. Chicken Beef D. store the chemicals out of reach
14. Which one of the following food of children.
groups are required for protection 20. Which one of the following is not a
against diseases? requirement for maintaining strong
A. Yams, cabbages, chips. teeth?
B. Kales, mangoes, pigweed. A. Drinking fresh milk.
C. Sugarcane, chapati, ugali. B. Eating carrots.
D. Chips, chicken, sausage. C. Frequent brushing of teeth.
15. A group of class five pupils set up the D. Breaking hard things using teeth.
experiment shown below. 21. Which group materials is correctly
matched according to their
Water conductivity of heat?
Container Good conductor Bad conductor
A Iron Wood
Stand
Source of heat B. Water Grass
C. Glass Milk
The currents shown by the arrows are D. Plastic Rubber
known as 22. Thermometre is used to measure
A. radiation B. convection temperature. It works on the fact
C. conduction D. reflection that:-
A. matter has mass
16. The weather condition represented by B. matter expands when heated and
swaying trees is best for:- contracts when cooled
A. drying cereals C. matter occupies space
B. weeding D. Matter does not change on
C. winnowing increase in temperature.
D. blowing away soil.
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23. When breathing in, the following take 28. Which one of the following is the
place except:- main reason why gaps are left when
A. diaphragm flattens constructing a railway line?
B. pressure in the lungs reduces A. To allow for contraction on
sunny days.
C. ribs move outwards and B. To help the train to move at
downwards high speed.
D. the lungs inflate. C. To allow enough air between the
24. A class five boy had problem when gaps.
emptying his bowels and sought an D. To allow for expansion during
advice from his teacher. The teacher hot weather.
advised the boy to 29. Using water for sports and
entertainment shows use of water
A. drink a lot of water for:-
B. eat foods that have a lot of salt A. fishing
C. avoid eating foods that have a B. transport
lot of starch C. beauty purposes
D. always include vegetables and D. recreation.
fruits in his diet. 30. The mineral required in the body for
25. Which one of the following foods is the formation of enough blood is:-
A. phosphorous B. iron
rich in proteins and fats? C. calcium D. vitamin D.
A. Green bananas 31. Which one of the following materials
B. Ground nuts is not needed when making a beam
C. Fish balance?
D. Millet A. Nails.
26. A house can naturally be lit through B. Pieces of wood.
one of the following ways. Which C. Scale.
D. Strong wires.
one? 32. To show that water contains air, you
A. Torch are supposed to:-
B. Candles A. freeze the water
C. Transparent roof B. heat the water gently
D. Electricity C. filter the water
27. The chart below represents the D. pour water gradually in a
classification of crops. container.
33. Three of the following show uses of
heat except one. Which one?
Sunflower A. Ironing clothes.
B. Cooking food.
Cash crops W C. In traffic lights.
Crops Cotton D. Drying clothes.
Maize 34. Which one of the following methods
Food crops of storing water can be used to store
X large volumes of water?
A. Dams B. Tanks
Kales C. Jericans D. Pots
Cassava 35. Std. 5 pupils carried out the
Mango experiment below to find out how
water drains through different soils.
Which crops will fit in W and X
respectively? Funnels
W X Soil
A. Coffee beans Cotton wool
B. Tea sorghum
C. Carrot coconut
E F G
D. Flax peas
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 Name soil E, G, F respectively:- 43. The ability of the soil to hold water
E F G for long is known as:-
A. clay loam sand A. drainage
B. clay sand loam B. soil composition
C. water retention
C. sand clay loam
D. capillarity.
D. loam sand clay 44. Water is easily transported in towns
36. The things that are found in the soil by use of:-
are collectively known as:- A. pipes
A. non-living matter B. tankers
B. types of soil C. cans and jericanns
C. living water D. animals.
D. soil components. 45. Which of the following plants is a
37. Which one of the following animals source of medicine for human beings?
protects itself by running away? A. Cotton plant.
A. Wasps. B. Cockroach. B. Pyrethrum plant.
C. Termite. D. Snake. C. Flax plant.
38. The clouds that indicate fair weather D. Neem plant.
and have a flat base are also likely 46. At home, light can be used to
to:- discourage one of the following
A. be found low in the sky
B. cover the whole sky pests. Which one?
C. have round tops A. Cats.
D. be rain laden. B. Coackroaches.
39. Which one of the following parts of C. Birds.
the digestive system is not found in D. Houseflies.
the gut? 47. In the diagram below, which hole
A. Mouth B. Rectum will water not jet out at all
C. Stomach D. Liver
40. The diagram below shows a type of
root sytem. A
B
C
D

Which pair of plants have the type of A. B B. D

root system shown above? C. A D. C
A. Pigweed and beans. 48. Which one of the following soils has
B. Wheat and rice. roughest texture?
C. Beans and barley. A. Clay.
D. Cassava and kales. B. Loam.
41. When a radio is playing music on a C. Mixture of loam and clay.
low volume we say it is producing:- D. Sand.
A. rough noise B. good sound 49 HIV virus is not likely to be found
C. soft sound D. loud sound in:-
42. Which one of the following is a A. saliva B. blood
function of the leaf in all green C. vaginal fluids D. urine.
plants? 50 The tooth used for tearing has:-
A. Absorbing water. A. cusps
B. Losing excess water. B. the longest root
C. Transporting materials. C. wedge shape
D. Storing food in all the plants. D. two roots.
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