KCPE PAST PAPERS 2015: SCIENCE QUESTIONS AND ANSWERS [QNS 1-25]

​KCPE PAST PAPERS 2015: SCIENCE QUESTIONS AND ANSWERS [QNS 1-25]

Question 01.

The main function of the hair and mucus found in the breathing system is to

• A. help in exchange of gases
• B. clean the air
• C. protect the nose
• D. keep the trachea open.

Question 02.

The following are characteristics of a certain type of tooth:

(i) sharp
(ii) chisel shaped
(iii) has one root
The type of tooth described is a

• A. molar
• B. canine
• C. premolar
• D. incisor.

Question 03.

Which one of the following pairs of diseases is correctly matched with the time of immunization?

Question 04.

Which is the last stage in energy transformation when a kerosene stove is burning?

• A. Chemical.
• B. Heat.
• C. Light.
• D. Sound.

Question 05.

The diagram below represents a set-up that can be used to demonstrate a certain aspect of heat energy.

The aspect that can be demonstrated is

• A. radiation and convection
• B. expansion and conduction
• C. convection and conduction
• D. expansion and radiation.

Question 06.

Which one of the following is a compound fertilizer?

• A. Muriate of potash
• B. Triple Super Phosphate
• C. Sulphate of Ammonia
• D. Mono Ammonium phosphate

Question 07.

Which one of the following statements is correct about the digestive system?

• A. Oesophagus makes it easy for food absorption.
• B. Stomach mixes food with digestive juices.
• C. Digestion of food occurs in the large intestine.
• D. Water is absorbed in the small intestine.

Question 08.

The picture below represents a type of interdependence between plants.

The type of interdependence represented

• A. support
• B. shade
• C. habitat
• D. shelter.

Question 09.

A pupil used water that had been used in rinsing clothes to mop the floor. Which method of water conservation did the pupil practice?

• A. Re-using water.
• B. Using water sparingly.
• C. Recycling water.
• D. Water harvesting.

Question 10.

The importance of fibre in the human diet is to help in the

• A. digestion of food
• B. movement of food
• C. absorption of water
• D. absorption of nutrients.

Question 11.

The following are characteristics of a certain animal:

(i) lays eggs
(ii) has constant temperature
(iii) has a hairy body
The animal is likely to be

• A. ostrich
• B. spiny anteater
• C. whale
• D. bat.

Question 12.

The picture below shows a tomato plant with a sign of crop disease.

The sign shown is

• A. leaf curling
• B. spots
• C. streaks
• D. wilting.

Question 13.

Which one of the following components of air is correctly matched to its percentage?

Question 14.

Which one of the following is a social effect of drug abuse?

• A. Truancy.
• B. Fits.
• C. Withdrawal.
• D. Addiction.

Question 15.

he chart below represents a simple classification of plants.

Which one of the following plants is not correctly classified?

• A. Moulds.
• B. Pine.
• C. Toadstool.
• D. Fern.

Question 16.

A child has the following signs and symptoms:

(i) gets out of breath
(ii) pale skin
(iii) dizziness.
Which one of the following foods should the child feed on?

• A. Yams and cassava.
• B. Beans and maize.
• C. Kidney and spinach.
• D. Carrots and pineapples.

Question 17.

Which one of the following materials is non magnetic?

• A. Copper wire.
• B. Steel wool.
• C. Office pin.
• D. Razor blade.

Question 18.

Which one of the following statements is correct about proper use and storage of medicine?

• A. Sharing medicine with family members.
• B. Labelling medicine containers.
• C. Keeping medicine in a well lit place.
• D. Storing medicine in sealed water bottles.

Question 19.

Anaemia and irritation in livestock can be a sign of attack by

• A. liver flukes
• B. tapeworms
• C. tsetse flies
• D. round worms.

Question 20.

Which of the following body fluids is the least likely to transmit HIV?

• A. Breast milk.
• B. Semen.
• C. Vaginal secretions.
• D. Saliva.

Question 21.

The picture below shows parts of a flower.

Question 22.

Which one of the following physical changes observed in boys and girls during adolescence is not correctly matched?

                  Boys                           Girls

• A. Voice breaks                Pubic hair grows
• B. Wet dreams                 Hips broaden
• C. Pimples on face          Chest broadens
• D. Pubic hair grows        Pimples on face

Question 23.

Which one of the following livestock parasite control measures can be applied for both ticks and tapeworms?

• A. Rotational grazing.
• B. Dipping.
• C. Deworming.
• D. Spraying.

Question 24.

Which one of the following methods will mainly conserve soil and not water?

• A. Mulching.
• B. Terracing.
• C. Cover crops.
• D. Gabions.

Question 25.

In a certain activity, a sample of soil was mixed with water in a transparent container, shaken and allowed to settle.
This was to investigate soil

• A. drainage
• B. fertility
• C. composition
• D. capillarity.

MORE STD 8 REVISION RESOURCES

• FULL SET EXAMS FROM PLAYGROUP TO STANDARD 8
  https://drive.google.com/open?id=1cdxLC-nRPWN1S47IUQNNEB81Aoar4AaT
• DOWNLOAD MORE KCPE 2015 PAST PAPERS AND MARKING SCHEMES​https://www.atikaschool.org/kcpe-past-papers-and-answer/kcpe-2015-past-papers-questions-answers-and-reports

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