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

8/11/2019

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​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.
KCPE PAST PAPERS 2015: SCIENCE QUESTIONS AND ANSWERS [QNS 1-25]
Question 03.

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

Picture
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.

Picture
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.

Picture
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.

Picture
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?

Picture
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.

Picture
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.

Picture
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.
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