KCPE PAST PAPERS 2017: SCIENCE QUESTIONS AND ANSWERS [QNS 26-50]

12/11/2019

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KCPE PAST PAPERS 2017: SCIENCE QUESTIONS AND ANSWERS [QNS 26-50]

Question 26.

The following are parts of a flower

(i) anther.
(ii) style.
(iii) ovary.
(iv) stigma.
Which pair of the plant parts is involved in pollination?

A. (i) and (iii)
B. (ii)and(iii)
C. (iii) and (iv)
D. (i) and (iv)

Question 27.

In an investigation, pupils placed a mirror in a basin containing water to direct light to a white wall.

The pupils were investigating

A. how light travels.
B. reflection.
C. refraction.
D. making of a rainbow.

Question 28.

Which one of the following groups of materials consists only of non-magnetic materials.

A. Nickel, aluminium, copper.
B. Plastic, copper, aluminium.
C. Paper, iron, glass.
D. Staples, coal, iron.

Question 29.

During an experiment pupils poured a certain amount of water into a container labelled S. They then transferred the same water into the containers labelled T and V.

The pupils were investigating whether liquids

A. have definite shape.
B. have definite volume.
C. occupy space.
D. exert same pressure.

Question 30.

Pupils set up an experiment as shown in the diagram below.

Which one of the following was a correct observation from the experiment?

A. Water level in the trough increased.
B. Candle flame brightened.
C. Water level in the jar increased.
D. Colour of the water changed.

Question 31.

The diagram below represents a set-up used to demonstrate certain aspects of matter.

The pin next to the candle fell off as a result of

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

Question 32.

Which one of the following components of the environment will be least affected when an oil pipe bursts?

A. Air.
B. Water.
C. Soil.
D. Plants.

Question 33.

Pupils placed a bottle top on water and it floated. They then crushed and placed the same bottle top on the water again and it sunk.
Which one of the following factors that affect sinking and floating was being investigated?

A. Size of the material.
B. Type of the material.
C. Shape of the material.
D. Mass of the material.

Question 34.

The diagram below represents a single fixed pulley in use.

Which one of the following is NOT true about the pulley?

A. It reduces the effort applied.
B. Effort and load move through equal distances.
C. Makes work easier by changing direction of effort.
D. The wheel reduces friction.

Question 35.

The diagram below illustrates two candles balancing against one.

If all the candles were lit at the same time, which one of the following is a correct observation made in the experiment?

A. The two candles were displaced upwards.
B. The single candle was displaced upwards.
C. There was no change in the set up.
D. The see-saw will swing towards both sides.

Question 36.

Which one of the following methods of food preservation is NOT modem?

A. Canning.
B. Drying.
C. Use of honey.
D. Refrigeration.

Question 37.

Which type of manure is common on dairy farms?

A. Green manure.
B. Compost manure.
C. Farmyard manure.
D. Organic mulches.

Question 38.

During digestion, the following activities occur in the mouth EXCEPT

A. mechanical breakdown of food.
B. secretion of digestive juice.
C. killing of germs.
D. rolling of food into bolus.

Question 39.

Which one of the following pairs of diseases is the infant immunised against at birth?

A. Tuberculosis and polio.
B. Polio and diphtheria.
C. Diphtheria and yellow fever.
D. Tuberculosis and yellow fever.

Question 40.

Which one of the following teeth problems can be prevented by feeding on a balanced diet?

A. Bleeding gums.
B. Dental cavities.
C. Bad smell.
D. Tooth decay.

Question 41.

Which one of the following plants is a cash crop?

A. Sunflower.
B. Irish potato.
C. Wheat.
D. Pineapple.

Question 42.

The chart below shows a weather record kept by pupils for five days.

From the chart, whenever it was

A. sunny in the morning, it rained in the afternoon.
B. cloudy in the morning, it was sunny in the afternoon.
C. calm in the morning, it was windy in the afternoon.
D. windy in the morning, it was calm in the afternoon.

Question 43.

Below is an illustration of a food chain.
Plant-------- > Antelope —-------> Lion----- > Vulture
Tertiary consumers are represented by

A. plants.
B. antelope.
C. lion.
D. vulture.

Question 44.

Which one of the following planets is closer to the sun?

A. Jupiter.
B. Venus.
C. Earth.
D. Mars.

Question 45.

The diagram below shows the human digestive system.

The juice produced at the part labelled N is used to digest

A. carbohydrates.
B. proteins.
C. fats and oils.
D. mineral salts.

Question 46.

The table below shows the type and number of teeth in an adult human being.

Which one of the following correctly represents E, F, G and H?

Question 47.

The diagram below represents a mammalian heart.

In which pair of blood vessels is blood under highest pressure?

A. W and X.
B. X and Y.
C. Y and Z.
D. W and Z.

Question 48.

The diagram below shows components of human blood.

EDITED MORE CLEARER IMAGE (TOUCH HERE)

The component that stops the bleeding of a wound is _____________________

Question 49.

Which one of the following is NOT an excretory product in human beings?

A. Urine.
B. Faeces.
C. Sweat.
D. Carbon dioxide.

Question 50.

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 SCHEMEShttps://www.atikaschool.org/kcpe-past-papers-and-answer/kcpe-2017-past-papers-questions-answers-reports

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