KCPE PAST PAPERS 2017: SCIENCE QUESTIONS AND ANSWERS [QNS 1-25]

KCPE PAST PAPERS 2017: SCIENCE QUESTIONS AND ANSWERS [QNS 1-25]

Question 01.

The diagram below shows an equipment used to separate a mixture of solids.

The method of separation in which the equipment is used is

• A. winnowing
• B. picking
• C. sieving
• D. filtration.

Question 02.

In which one of the following activities is the tool used properly?

• A. Splitting firewood using a jembe.
• B. Cutting wires using a knife.
• C. Using a saw to cut wood.
• D. Breaking stones using a claw hammer.

Question 03.

The heat from a burning charcoal stove reaches the other parts of a room mainly by

• A. radiation and conduction;
• B. radiation only;
• C. radiation and convection;
• D. convection only.

Question 04.

Which one of the following characteristics is found in both tilapia and ducks?

• A. Have scales.
• B. Filter feeding.
• C. External fertilisation.
• D. Breathing under water.

Question 05.

Which one of the following statements is correct about water?

• A. Filtration makes water safe for drinking.
• B. Boiled hard water is safe for drinking.
• C. Soft water should not be boiled before drinking.
• D. Boiling makes hard water difficult to lather.

Question 06.

Which one of the following statements is TRUE about HIV and AIDS?

• A. An individual in asymptomatic stage of HIV infection tests negative.
• B. A person develops AIDS during the window period of HIV infection.
• C. An individual infected with HIV does not necessarily have AIDS.
• D. HIV can be spread by mosquito bites.

Question 07.

Which one of the following practices conserves water by using sparingly?

• A. Washing cars along the lake shore.
• B. Pouring water in the garden after washing fruits.
• C. Watering animals in rivers.
• D. Carrying out drip irrigation.

Question 08.

The following signs and symptoms were observed on a patient:

(i) Severe headache
(ii) Abdominal pain
(iii) Fever
(iv) Slight diarrhoea with blood stains
(v) Sores in the mouth.
The patient is likely to be suffering from

• A. malaria
• B. typhoid
• C. cholera
• D. bilharzia.

Question 09.

Which one of the following attaches itself on the uterus wall to develop into a baby?

• A. Ovum.
• B. Foetus.
• C. Embryo.
• D. Zygote.

Question 10.

Which one of the following is NOT a reason for HIV testing?

• A. To know the number of people infected.
• B. For future planning.
• C. To be keen to protect yourself and others.
• D. In order to avoid infected individuals.

Question 11.

The table below shows the results of an investigation done by pupils on floating and sinking.

The pupil who recorded the correct results was

• A.E
• B.F
• C.G
• D.H

Question 12.

Which one of the following parts of the human digestive system is correctly matched to its function?

Question 13.

The diagram below shows a certain animal parasite.

The parasite belongs to the same group as

• A. Tapeworm and liver fluke;
• B. Roundworm and flea;
• C. Tsetse fly and tapeworm;
• D. Flea and tsetse fly.

Question 14.

Which of the following is NOT advisable for a patient suffering from tuberculosis?

• A. Ventilated housing.
• B. Vaccination against the disease.
• C. Isolation from healthy people.
• D. Early treatment with antibiotics.

Question 15.

The diagram below demonstrates an experiment done by pupils to show a certain type of soil erosion.

The type of soil erosion demonstrated by the pupils was

• A. splash erosion
• B. gulley erosion
• C. nil erosion
• D. sheet erosion.

Question 16.

Which one of the following pairs of plants stores food in the root?

• A. Carrots and Irish potatoes.
• B. Irish potatoes and sweet potatoes.
• C. Sweet potatoes and cassava.
• D. Cassava and onions.

Question 17.

The diagram below represents the proportion of gases in air.

Which proportion represents the gas used in seed germination?

• A.J
• B.K
• C.L
• D.M

Question 18.

Which one of the following nutritional deficiency diseases makes the face and limbs of a child to swell?

• A. Anaemia.
• B. Marasmus.
• C. Rickets.
• D. Kwashìorkor.

Question 19.

Which one of the following pairs consists only of sources of electricity?

• A. Wind driven turbine and electric water heater.
• B. Electric water heater and generator.
• C. Generator and electric iron box.
• D. Bicycle dynamo and wind driven turbine.

Question 20.

Which one of the following levers has the effort between the fulcrum and the load when in use?

• A. Wheelbarrow.
• B. Spade.
• C. Crowbar. .
• D. Claw hammer.

Question 21.

The chart below shows a simple classification of animal feeds.

The feeds labelled P, Q and R can be best represented by

Question 22.

A plant has the adaptations below:

(i) thin cuticle
(ii) flexible stems
(iii) air sacs
(iv) waxy upper leaf surface.
The plant is likely to be a

• A. cactus.
• B. water lily.
• C. sorghum.
• D. bean.

Question 23.

Pupils put garden soil in a glass bottle containing water, shook it and allowed it to settle. Which one of the following could NOT be determined by the experiment?

• A. Presence of air.
• B. Presence of organic matter.
• C. Presence of inorganic matter.
• D. Sizes of different soil particles.

Question 24.

Which one of the following is a function of fibre in the human diet?
A. Helps in food digestion.
B. Helps in the absorption of digested food.
C. Prevents diarrhoea.
D. Removal of undigested materials.

Question 25.

Which one of the following pairs consists only of green plants.

. Moss and fern.
B. Toadstool and moss.
C. Algae and mould.
D. Mould and fern.

MORE STD 8 REVISION RESOURCES

• FULL SET EXAMS FROM PLAYGROUP TO STANDARD 8
  https://drive.google.com/open?id=1cdxLC-nRPWN1S47IUQNNEB81Aoar4AaT
• DOWNLOAD MORE KCPE 2017 PAST PAPERS AND MARKING SCHEMES​https://www.atikaschool.org/kcpe-past-papers-and-answer/kcpe-2017-past-papers-questions-answers-reports

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