INTEGRATED SCIENCE 3

INTEGRATED SCIENCE TRIAL QUESTIONS
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1ai. Explain why the cell is the basic unit of life.

1aii state three properties of salt.

1aiii. How could it be confirmed that sulphuric acid solution is acidic? Explain

1bi List four advantages of debeaking

1bii. Tabulate three differences between a seed and a fruit

1bii. state four examples of soil nutrients suitable for plant growth

1c. state three importance of castration

2ai. Define the ff terms
cross pollination, magnetic field, salt, seed dispersal

2aii state three differences between mass and weight
2aiii Give three properties of gases collected over water

2aiv. Name three examples of gases collected by upward delivery

2bi state the two laws of reflection of light

2bii. write down three external factors affecting photosynthesis

2ci Define crop rotation

2cii outline four benefits of including beans in the crop rotation programme

2cii Explain briefly why the mass of a substance does not change in everywhere

2di Write down three causes of bed-wetting

2dii. Give three ways of controlling bed-wetting

3ai List three properties of isotopes

3aii. Tabulate three differences between heat and temperature

3bi. list four examples of sublime substances

3bii. mention two effects of communicable diseases

3biii. Name four common diseases of farm animals

3ci Distinguish between fish farming and fishing

3cii give three similarities between a base and an acid

3ciii. state three functions of the blood

4ai. Define the ff terms

cereal crops, heat transfer, diffusion, osmosis

4aii. Explain why ammonia gas is not collected over water

4bi. state four conditions that are suitable for fish pond

4bii Distinguish between cohesion and adhesion

4ci. state two functions of nitrogen to the plants

4cii. Define farm records

4ciii. Give three reasons why farmers keep farm records

4di. Distinguish between hypogeal and epigeal germination

4dii state three importance of mulching

5ai What is heat?
How many joules of heat are given out when a piece of iron of mass 500g cools from 20 o C to 10 o C (specific heat capacity of iron is 46j kg-1 k -1 )

b.(i)what is functional group
ii.write the general formular for alkanes
c.(i) List four criteria used in selecting of stock animals
ii.What are main distinguishing features between?

i.beef cattle and dairy cattle
ii.sheep and goat

d.i what is a chromosome?
Ii,In human, brown eye colour(B) is dominant over blue eye colour *(b)*.A brown eyed man marries a brown-eyed woman.explain fully what eye colours their children could have.

6.a(i)On the flow diagram explain how aluminium is extracted

ii.Give four(4) effects of mining on the environment.

b.i.What is first Aid?

ii.What is the correct aid treatment for
a. a cut
b.a burn
c. a sprain
c.(i).What is thermostat?

ii.Mention four(4) appliance that have thermostat in your home.

7.a.(I)Define the following terms

a.isotopes of an atom

b.mass number of an atom

c.oxidation number of an atom

b.What is respiration?

ii.Distinguish between aerobic and anaerobic respiration

c. What is conduction?

ii. Draw a vacuum flask and explain how it works

d. (i) why are legumes important in crop rotation

ii. Name three (3) legumes grown in West Africa

8.a(i).What is mutation

Ii .briefly explain the cause of chromosome mutation

iii.List two factors used in paternity test

iv.List two importan.ce of genetics

b.list the major pest and diseases of
1. groundnuts
2 .cowpea
3 .cassava.
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