B.E.C.E. Practice Test 7 - Integrated Science (Paper 1)

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Each question is followed by four options. Find the correct option for each question and click on the radio button corresponding to the answer chosen (40 marks)

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1. One area of study of applied biological sciences is

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Agriculture

Chemistry

Physics

Electronics

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2. The prohibition of certain acts or the use of certain things is known as

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superstition

belief

taboo

tradition

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3. A provisional answer to a question or problem in a scientific method is

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prediction

hypothesis

theory

observation

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4. The main difference between science and technology is that

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Science deals with "understanding" while technology deals with "doing"

Science deals with "doing" while technology deals with "understanding"

Science deals with the practical aspect of its results while technology deals with the development of general laws

Science involves a thinking processwhile technology involves demonstrations

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5. One of the bad effects of science and technology is that

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it has made the world look like a global village

it has helped increase food production

it has rendered some people jobless

it has improved the transportation system

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6. Which of these is not an example of matter?

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Iced block

Air

Light

Smoke

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7. Which of the following substances is a liquid at room temperature?

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Iron

Mercury

Brass

Gold

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8. How many states of matter do we have?

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9. When salt is put into soup, it...

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melts

sublimes

dissolves

evaporates

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10. Gases have very low densities. This is because

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the particles are much closer to each other

the particles are much further apart

there are no spaces between the particles

the particles are heavier

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11. Which of the following statements about plants is true? I - Most plants show movement; II - Green plants manufacture their own food; III - All animals depend directly on plants for food

I only

II only

III only

I and II only

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12. Which of the following processes takes place in all living cells?

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Digestion

Photosynthesis

Respiration

Transpiration

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13. The main component of plant cell walls is

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glucose

cellulose

starch

fructose

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14. Irritability is also known as

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development

reproduction

sensitivity

respiration

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15. An organism is considered as multicellular when

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it consists of only one cell

it consists of only two cells

it consists of billions of cells

it has no cell

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16. Which of the following values is equal to one metre?

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1 cm

10 cm

100 cm

1000 cm

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17. The weight of an object is the

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force with which the sun pulls it

force with which gravity acts on it

force with which the moon pulls it

force of the object when gravity is not acting on it

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18. 100 km is equivalent to

100,000 m

10, 000 m

1,000 m

100 m

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19. Which of the following SI units is derived?

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kilogram

metre

mole

joule

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20. Mass may best be defined as the

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amount of matter a substance contains

amount of energy a substance containes

amount of space occupied by matter

amount of solid a substance contains

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21. Ice floats on water because ice

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is denser than water

is colder than water

has a greater volume for the same mass of water

has a greater mass for the same volume of water

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22. An aluminium cube with side measuring 2m has a mass of 24 kg. Calculate the density of the aluminium.

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48 kg/m3

24 kg/m3

12 kg/m3

3 kg/m3

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23. Soil profile could be described as the

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physical arrangement of soil particles in the soil

feel of the soil between the fingers

amount of water held in the pores of the soil

vertical section of soil showing soil layers

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24. Which of the following practices is used to conserve moisture in the soil?

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Shading

Mulching

Pruning

Stirring

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25. The soil separate with the smallest particle size is

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coarse sand

silt

fine sand

clay

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26. Which of the following soil types is rich in organic matter?

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silt

loam

sand

clay

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27. Which of the following statements about the diagram below is correct?

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Illustrates an eclipse of the moon

Portion X is called penumbra

Illustrates an eclipse of the sun

Portion Y is called Umbra

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28. The type of soil which feels sticky at the fingers when wet is

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clay

silt

loam

sand

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29. Highly decomposed plant and animal matter is known as

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compost

humus

green manure

loam

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30. Which of the following crops is not correctly matched to its group?

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Yam ---> tuber crop

Ginger ---> root crop

Maize --> cereal crop

Cocoa ---> beverage crop

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31. Which of the following crop groups does sorghum belong to?

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Cereals

Legumes

Root tubers

Vegetables

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32. Which of the following crops is a fruit vegetable?

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Cabbage

Carrot

Orange

Tomato

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33. Avenue trees are trees that are grown

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for their beautiful flowers

to provide shade for drivers

along the sides of roads

for their fruits

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34. Which of the following crops produces edible fruits?

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Stylosanthes

Banana

Cauliflower

Cassava

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35. Which of the following methods of plant propagation is sexual?

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Budding

Grafting

Layering

Seeding

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36. Weeds are plants that

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grow where they are not wanted

cause diseases among crops

add nitrates to the soil

control soil nematodes

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37. Pesticides used for controlling nematodes on the field are called

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insecticides

acaricides

rodenticides

nematicides

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38. Marigold is grown on the field to control

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fungi

bacteria

nematodes

insects

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39. The most destructive crop pests are

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ruminants

insects

rodents

birds

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40. What group name is given to agro-chemicals used in controlling armyworms on crops?

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Rodenticides

Fungicides

Herbicides

Insecticides

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