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SECTION A ( 30 %)Answer all questions. Every question is followed by four options A, B, C and D. Circle the correct answer.
Figure 11. Why do ancient men live in caves?
A To help them grow quicklyB To help them find foodC To protect themselves from earthquakesD To protect themselves from danger, the Sun and rain
Figure 22. Based on Figure 2, what happens after a few days?
A The mosquito larva grows bigger.B A mosquito appears at the surface of the water.C The number of mosquito larvae increases.D The mosquito larva dies.
3. Which of the following shows the behaviour of a snail that protects it from enemies?A Runs very fastB Has a bad smellC Hides its head and body in its hard shellD Releases poison from its body
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layer of oil
mosquito larva
Figure 3 Which of the labelled parts is the breathing structure of the caterpillar?
5. Which of the following are bad habits of humans?
I ReadingII SmokingIII Taking drugsIV Drinking colaA I and II onlyB I and IV onlyC II and III onlyD II and IV only
6. The figure 4 below shows the main organs that areinvolved in breathing.
Figure 4
Which organ absorbs oxygen during breathinA PB QC RD S
7. Which of the following shows the path of air during inhalation?A Nose windpipe lungsB Nose mouth lungsC Mouth lungs windpipeD Mouth nose lungs
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8. Which of the following activities increase the rate of breathing?
I JoggingII SingingIII SleepingIV Marching
A I and II onlyB II and III onlyC I, II and III only
Figure 59. The following figure 5 shows the process of breathing in a human. Which of the following is true about this process?
I The volume of the chest cavity increases.II The chest moves inwards and downwards.III The air is slightly warm.
A I and II only B I and III onlyC II and III only D I, II and III
10. The animals shown in the list above have a special characteristic to protect themselves from enemies. What is the special characteristic?
A StingB CamouflageC Bad smellD Hard skin
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Caterpillar Praying mantisButterfly Grasshopper
A BFigure 6
11. Why is plant A unhealthy compared to plant B?A Plant A has dull leaves.B Plant A does not like to be in a small space.C Plant A does not get enough sunlight.D Plant A has caterpillars on its leaves.
Figure 7
12. Which basic need of the plant is the most difficult to get in the region shown above?A Water
B AirC Sunlight
D Food
Figure 813. Figure 9 shows a part of the grass being covered with a wooden plank. After two
days, it is observed that the part of the grass covered with the wooden plank turns yellow. Why does this happen?A The grass covered with the wooden plank does not get water.B The grass covered with the wooden plank does not get food.C The grass covered with the wooden plank cannot breathe.D The grass covered with the wooden plank does not get sunlight.
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cupboard
14. What is the effect of alcohol on a person?A The person’s response to stimuli will be delayed.B The alcohol will strengthen muscles.C The hearing of the person becomes sharper.D The person cannot breathe well.
Figure 15
15. What is the excretory organ of the above animal?A Gills
B SkinC Kidneys
D Lungs
Figure 16
Figure 1616. Figure 16 shows a fish. Which of the following parts, labeled A, B, C or D, excretes
waste materials from the fish?
17. The breathing structures that enable frogs to breathe on land and in water are the…I gills.II skin.III lungs.IV tracheal structures.A I and II onlyB I and III onlyC II and III onlyD III and IV only
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B
CD
18. All of the following animals breathe through tracheal structures except…A B
C D
19. A grasshopper with its head immersed in water will not die by drowning. This is because …A the grasshopper can breathe in water.B there is air for breathing in water..C its breathing structure is located in the abdomen.D it can live in water and on land.
20. Which of the following animals breathes using gills?A The crocodile B The tadpoleC The frog D The mosquito
21. Which of the following plants reproduces by spores?
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22 The picture below shows a banana plant.
Figure 17What is the name of the part labeled X?A Underground stemB Parent plantC SuckerD Shoot
23. The information below is about an animal.
What is the animal mentioned above?A CrabB CockroachC FrogD Dolphin
24. The picture below shows a mimosa plant.
Figure 18This plant can respond to…I water.II touch.III sunlight.A I and II onlyB I and III onlyC II and III onlyD I, II and III
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25. Which of the following animals gives birth to the young?A The lizardB The crocodileC The frogD The whale
26. Which of the following animals produce offspring which look different from their parents?A Fish.
B SnakeC Mosquito.
D Grasshopper
Figure 19
27. The graph in Figure 19 shows the process of…A growth.
B breathing.C movement.
D reproduction
28. Which of the following are living things in groups X and Y?
XY
A Butterfly, mosquito Crab, turtleB Otter, monitor Crocodile, whaleC Mosquito, frog
Crocodile, turtleD Snake, frog Turtle, otter
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Living things in group X live on land but lay eggs in water.Living things in group Y live in water but lay eggs on land.
Number of animals
Year200220012000
30. Which of the following animals excretes its waste products through gills?A FrogB MouseC PrawnD Earthworm
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SECTION B ( 20%)Answer all the questions.
Before exercise After exercise
Figure 1
1. Figure 1 shows the physical conditions of a pupil before and after exercise. (a) What is your observation from the picture given?
____________________________________________________________( 1 mark)
(b) Which part of the body produces this excretory product?
______________________________________________________________( 1 mark)
(c) Name two other products of human excretion and the organs involved besides the one given in (a)i.
Product of human excretion
Organ
( 4 Marks )
(d) Humans also get rid of faeces through _______________________________( 1 mark)
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2. The following figure shows the main organs involved in breathing.
Figure 2(a) Name the organs that are labeled P, Q, R and S.i. P: ________________________
ii. R: _______________________
iii. S: _______________________ ( 3 marks)
(b) Complete the chart below to show the passage of air during inhalation.
( 1 mark)
(c) State two differences between inhaled air and exhaled air.
( 2 marks)
3. Number of Days Height of plant ( cm)
2 24 36 4
Table 1 The table shows the height of a plant.
a) What is the aim of the fair test( experiment) above?_______________________________________________________________
( 1 mark)
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b) State what do you need i) to change ( manipulated variable) : _________________________________
ii) to measure ( responding variable) :_________________________________( 2 marks)
c) What is the relationship between the two variables in the fair test above?
_______________________________________________________________( 1 mark)
Rhinoceros Scorpion Anteater
Figure 34. Figure 3 shows three kinds of animals which have special characteristics and
behaviour to protect themselves from danger.(a) Name a special characteristic of the rhinoceros that protect it from danger.
______________________________________________________________
______________________________________________________________( 1 mark)
(b) How does anteater protect itself from its enemies? ______________________________________________________________
______________________________________________________________( 1 mark)
(c) Give a animal that protect itself in the same way as a scorpion.
______________________________________________________________ ( 1 mark)
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