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General Science Form I Question Paper

General Science Form I

Course:Secondary Level

Exam Year:2011

END OF TERM 2 EXAM.- FORM 1
GENERAL SCIENCE
NAME………………………………………………..ADM NO ……………………

INSTRUCTIONS: This paper constitutes of 3 sections A, B,and C. Answer ALL questions in the spaces provided.

SECTION A. BIOLOGY (34 MARKS)

1. Name three important career that can be undertaken by a person studying biology.(11/2 marks)

2. Name three differences between plants and animals (3 mks)

3. A student examined specimen A using a magnifying lens . He then drew the
Illustration labeled B.

a) Calculate the magnification of the drawing.( 2mks )

b) Name two other instrument that can be used in biology laboratory to examine specimen in more details ( 2 mks)

4. Define Binomial nomenclature. ( 1 mks)

5. Classify human being using the seven Taxonomic units. (4 mks)

6. State 3 similarities between plant cells and animal cells. ( 3mks ).

7. Name any three plant tissues and state there functions. ( 3mks )

8. Define cell specialization. ( 1 mk )

9. Osmosis is a special type of diffusion. Explain. ( 1mk)

10. Name the main branches of science ( 1.5 mks)

11. Explain one way in which science is important in each of the following areas.( 2 mks)
i) Transport and communication.

ii) Agriculture.

12. An experiment was set up in the laboratory as shown below
M N.

a) Identify the process being investigated. ( 1 mk )

b) Identify the expected observation in the visking tubing in M and N after two hours ( 2 mks)

c) Explain the observation in M and N .( 1mk)

d) What type of membrane is visking tubing (1mk)

13a) what is active transport (2mks)

b) State the factors that affect active transport (2mks)

SECTION B ; CHEMISTRY (33MARKS)

14. Describe what is a ( 2mks)
i) Homogeneous mixture

ii) Heterogeneous mixture

15. Give three characteristic of ( 6mks)
a) Luminous flame

b) Non luminous

16. Name five methods of separation of mixture. ( 5 mks )

17. Indicate the process that takes place in areas indicated by the letters. (6mks)
A
SOLID LIQUID
GAS
A D
B E
C F
5. Indicate the colour of common indicators in neutral acidic and basic media (4.5 mks)
.
Indicator Colour in neutral Colour in acidic Colour in basic
Litmus paper
Phenophthalein
Methyl orannge

19. Give three physical properties of acids and bases.( 6 mks

20. Explain what is permanent and non permanent change (2 mks)

21. State the most suitable method to separate each of the following mixture. ( 2mks )
i) Ethanol and water

ii) The dyes in sweet.

SECTION C. PHYSICS. 33MARKS.

22. Define the term physics ( 1 mks )

23. Describe the three importance of physics ( 3mks)

24. Name the SI units of the following units of measurement.

quantity SI units
Distance

Mass

Time

Temperature

25. I) Calculate the mass of a chain of volume 2.1 cm3 given that the density of chain is 19 g/cm3 ( 3mks

ii) Calculate the volume of piece of wood of mass 500g and a density of 0.76g/cm3
(3mks).

26. Names four types of application of force. ( 4 mks)

27. Describe the four effects of forces. (4marks)

28. A student has a mass of 54 kg what is the weight of the student.
a) On the earth and (b) on the moon
Acceleration due to gravity is 10N/Kg while it is 1.6 N/Kg on the moon.

29. Jedida wants to make a thermometer. What characteristics she should look in a suitable liquid to prepare liquid in glass thermometer ( 4 mks)

30. Name the two main scales used to measure temperature (2 mks)

31. Convert 35° C to Kelvin scale . (1 mK)

General Science Form I Question Paper

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