LOS 40 PRINCIPALES Jessica Correia Aguilar 1º Educación Primaria T1/P1.
F5 T1 Biology P1 2010-2011
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Transcript of F5 T1 Biology P1 2010-2011
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ASJA BOYS COLLEGE CHARLIEVILLE
END OF TERM EXAMINATION
TERM 1 /FORM 5FK
BIOLOGY
December 2010
Paper 01 - General proficiency
75 minutes
NAME: ________________________________________
DATE: _____________________________ FORM: _____________
READ THE FOLLOWING INSTRUCTIONS CAREFULLY
1. Candidates MUST attempt ALL questions on this paper
2. There are 60 multiple choice questions. Each question has 4 corresponding answers.
Choose only ONE answer and shade in the corresponding letter on the answer sheet
provided.
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DO NOT TURN THIS PAGE UNTIL YOU ARE TOLD TO DO SO
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1. The relationship between which of the
following provides an example ofmutualism?
a. Man and mosquito
b. Hen and chick
c. Dog and flead. Cattle and egret
2. Leguminous plants can contribute tosoil fertility because they
a. Remove toxic substancesb. Contain nitrogen-fixing bacteria
c. Add trace elements
d. Maintain the moisture content
3. The bush pig which has been observed
to feed on a diet of plant roots as well
as birds eggs, is
a. A herbivoreb. A carnivore
c. An omnivore
d. A detritivore
4. Which of the following is NOT
indicated by the direction of arrows in
a food chain
a. The direction of energy flowb. The amount of food each animal
eats
c. That plants start every food chaind. The animals that are predators
5. In multicellular organisms, cells
become different from one another inorder to carry out particular functions.
This is called
a. Adaptation
b. Selectionc. Specialization
d. Evolution
6. Which of the following cell structures
are associated with energy transfer?
I ChloroplastII mitochondrion
III nucleus
IV cell membrane
a. I and II only
b. I and III only
c. II and III only
d. II and IV only
7. Which of the following processes is
responsible for the movement of water
out of a plant cell?
a. Filtration
b. Dehydration
c. Osmosis
d. Capillarity
8. How does oxygen pass out through the
stomata of leaves?
a. Diffusion
b. Evaporationc. Osmosis
d. Transpiration
9. The oxygen released during the
process of photosynthesis comes from
the
a. Carbon dioxideb. Water
c. Degraded glucose molecules
d. Air spaces within the leaves
10. A mature plant cell is different from a
mature animal cell because it has
a. A large permanent vacuole
b. Mitochondriac. A nucleus in the cytoplasm
d. A cell membrane
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11. In which of the following cells of a
green leaf does photosynthesis occur?
I Phloem
II Palisade mesophyllIII Spongy mesophyll
IV Guard cells
a. I, II and III onlyb. I, III and IV only
c. II and III only
d. I, II, III and IV
12. Plants give off oxygen in the day
because
a. Respiration does not take placeb. Respiration takes place faster
than photosynthesis
c. Photosynthesis takes place faster
than respiration
d. Transpiration takes place
13. Magnesium is an essential element for
a. The formation of cell walls.
b. The formation of chlorophyll.
c. The formation of proteins.d. The process of cell division.
14. One of the problems with nutrition fora vegetarian is that
a. Fats and oils are not produced
by plants
b. Large quantities of food areneeded to supply essential amino
acids
c. Vitamins produced by plants
are of inferior qualityd. Large quantities of food are
needed to supply essential minerals
15. What is the end product of digestion of
protein?
a. Amino acidsb. Fatty acids
Glucose
Polypeptides
16. The aveoli of the lungs of a mammal
a. Keep the lungs filled to capacitycontinuously
b. Serve to increase the absorptivesurface of the lungs
c. Are filled with oxygen to keep
the lungs in an expanded state
d. Prevent the lungs from collapsing
17. Which of the following would MOST
likely occur if enzymes were NOT
present in living cells?
a. Slow rate of reaction
b. High rate of reactionc. Reaction requiring higher
temperaturesd. No reaction
18. A mixture of food gives the followingresults on testing
A purple colour with the biuret test
A blue colour when heated withBenedicts solution
A yellow colour with iodine
A white emulsion with ethanol
What does the mixture contain?
a. Fat and protein
b. Protein and reducing sugarc. Reducing sugar and starch
d. Starch and fat
Items 19 and 20 refer to the following
enzymes found in the human digestive
system
a. amylaseb. pepsin
c. lipase
d. trypsin
19. Which enzyme would work best in an
acid pH?
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20. Which enzyme is concerned with the
breakdown of fat?
21. Which equation represents anaerobic respiration?
a. 6CO2 + 6H2O C6H12O6 + 6O2 + Energy
b. C6H12O6 + 6O2 6CO2 + 6H2O + Energy
c. C6H12O6 2C2H5OH + 2CO2 + Energy
d. 6C6H12O6 + 6O2 6CO2 + 6H2O + Energy
______________________________________________________________________________
22. The following diagrams are being used to
demonstrate the action of a model of thehuman breathing system.
Which diagram correctly indicates what
happens during exhalation?
a. b.
c. d.
23. Which feature of alveoli decreases thedistance over which oxygen and carbon
dioxide molecules diffuse?
a. Each alveolus has a large blood supply.
b. Each alveolus is only 0.1-0.2 mm indiameter.
c. There are approximately 150 million
alveoli in each lung.d. The walls of the alveoli are only one cell
thick.
24. Which of the following does NOT occurwhen an animal breathes out?
a. The pressure in the thorax decreases
b. The diaphragm muscles relax
c. The external intercostals muscles relaxd. The volume of the thorax decreases
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25. Which of the following are likely effects of
cigarette smoking?
Lung cancer
Inhibition of gaseous exchangeAddiction
IV. Hallucination
a. I and II only
b. I, II and III onlyc. II, III and IV only
d. I, II, III and IV
26. The diagram below shows the location of
some major endocrine glands in humans.
The secretion from which of these glands
would be associated with preparation of the
body for rapid escape from danger?
27. The diagram shows a section of theheart from the front.
Which blood vessels carry oxygenatedblood?
a. 2 only b. 1 and 3
c. 4 only d. 3 and 4
28. Which of the following comparisons
between arteries and veins is NOTcorrect?
Arteries Veins
a Valves present Valves absent
b Blood flows inpulses
Blood flowssmoothly
c Have thick muscular walls Have thinwalls
d Blood low in
CO2
Blood high in
CO2
29. The valve between the left atrium and leftventricle is called the
a. pulmonary semi-lunar valve
b. aortic semi-lunar valve
c. tricuspid valved. bicuspid valve
30. The process responsible for the movementof water upwards in xylem vessels is
a. Evaporation
b. Transpiration pull
c. Osmosisd. Active transport
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31. Which of the following are necessary
for germination to take place?
I. Air
II. Food supplyIII. Light
IV. Moisture
a. I and II only
b. III and IV onlyc. I, II and IV only
d. II, III and IV only
32. The following diagram shows an insect
feeding on a plant.
The insect MOST likely obtains its
nutrients from the
a. Cambium
b. Epidermisc. Phloem
d. Xylem
33. When a complete ring of bark is
removed from the trunk of a tree, it
will eventually die because this action
cuts off the supply of
a. Mineral salts to the leaves.
b. Nutrients to the roots.
c. Oxygen to the roots.
d. Water to the leaves.
34. The ureter carries urine from the
a. Kidney to bladderb. Collecting tubule to the pelvis
c. Nephron to the collecting tubule
d. Bladder out of the body
35. Which substances are found in the
glomerular filtrate in the kidneys of a
mammal?
Glucose Protein Salts
a
b
c
d
36. How is a working kidney dialysis machine
similar to a healthy kidney?
a. It takes sugar molecules out of the
blood
b. It regulates the concentration of the
blood
c. It deaminates amino acids to uread. It removes large molecules form the
blood
37. Which of the following functions are
performed by a rib?
I Blood formationII Protection
III Locomotion
IV Support
a. I and II onlyb. I and IV only
c. II and III only
d. I, II and IV only
38. Which organ controls the concentration of
sugar in the blood?a. Brain
b. Kidney
c. Pancreas
d. Stomach
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39. The diagram shows a section through
human skin
Which two structures help to increase
heat loss from the body?a. 1 and 2b. 2 and 3
c. 3 and 4
d. 4 and 5
40. The diagram shows three bones from
the forelimb of a mammal.
Between which two parts is a ball and
socket joint formed?
a. 1 and 3b. 1 and 5
c. 2 and 5
d. 3 and 4
Item 41 refers to the diagram below.
41. The stem at Q is turned upward because
a. auxins accumulated on the lower sideof the shoot
b. the tip can only grow if it is pointing
upwardsc. auxins accumulated on the upper side
of the shootd. it was attracted to light
42. A finger that touches a hot object is quickly
taken away from the source of heat.
What is the role of relay neurones in thisresponse?
a. To carry nerve impulses within the
spinal cord
b. To generate impulses in the receptors
of the fingerc. To link the sense organs to the sensory
neurons
d. To pass nerve impulses out to theneurones
43. The diagram shows a section of the brain.
In the diagram, which part produces
hormones?
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44. The diagram show the workingof a synapse between twoneurones
What do the arrows 1 and 2represent?
1 2
a. Chemical
transmitter
Slow actinghormone
b. Chemical
transmit
ter
Chemicaltransmitter
c. Nerveimpulse
Chemicaltransmitter
d. Nerveimpulse
Slow actinghormone
45. In a reflex action, after thehand touches a hot object,what is the role of the brain?
Receivesinformation
Initiates thewithdrawalresponse
a. b. c. d.
46. If an object is thrown towards you,your eyes blink. The receptors andeffectors for this reflex action arethe
a. Retina and eyelid muscles
b. Retina and ciliary musclesc. Pupil and eyelid musclesd. Pupil and ciliary muscles
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47. The diagram shows a sectionthrough the human eye.Where will an image bedetected when a person looksat an object?
48. The eye is sometimes referred to as an
effector organ because
a. The pupil constricts in thepresence of bright light
b. The rods and cones are
stimulated by light
c. Images which fall on the retinaare sent to the brain
d. Neurons from the eye lead to thecentral nervous system
49. What happens to these structures when
focussing on an object near the eye?
Ciliary
muscles
Suspensory
ligaments
a. Contract Tighter
b. Contract Looser
c. Relax Tighter
d. Relax Looser
50. Which of the following statementsconfirms that the coconut is a fruit?
a. It can be eaten
b. It is dispersed by water
c. It has a plumule and a radicled. It has a three layered pericarp
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51. Refer to the following apparatus
shown below
The initial temperature of the beans was
noted and readings were taken at regular
intervals twice daily for four days. The dataobtained were used to plot the graph below
0
10
20
30
40
50
60
9:00 15:00
21:00
3:00 9:00 15:00
21:00
3:00
Time (hr
Temp./0C
The increase in temperature in the vessel isBEST explained by the fact that the seeds
are
a. numerousb. placed close together
c. taking in water
d. using their food stores
52. The following are observations about a
potato plant
I. There is one parent plant
II. The tubers are attached to the parentplant
III. The tubers are genetically identical tothe parent plant
IV. The tuber store food
Which of these observations describe asexual
reproduction?
a. I and III
b. I and IVc. II and III
d. II and IV
53. The diagram shows the carpel of a flowersoon after pollination.
What are the labelled structures?
X Y Z
a. Ovule Stigma Filament
b
.
Ovule Stamen Pollen
tube
c. Pollengrain
Stigma Pollentube
d.
Pollengrain
Stamen Filament
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54. The diagrams show four different
fruits.
Which two fruits are dispersed byanimals?
a. 1 and 2 b. 1 and 3
c. 2 and 4 d. 3 and 4
55. The diagram shows a section through a
fruit containing a seed
What are the labelled parts?
1 2 3 4
a. cotyledon radicle pericarp testa
b. cotyledon radicle testa pericarp
c. radicle cotyledon pericarp testa
d. radicle cotyledon testa pericarp
Items 56 and 57 refer to the following diagram of
a Tullgren funnel which is used for collecting
small soil animals
56. The purpose of the light bulb is to
a. Enable the investigator to see the smallorganisms
b. Provide warmth for the soil organisms
c. Drive animals to the base of the funneld. Keep the alcohol at a constant
temperature
57. Which of the following explains why the
apparatus works well?
I soil organisms show a positive
response to gravity
II soil organisms show a negativeresponse to light
III soil organisms are killed by alcohol
IV soil organisms move away from dryareas
a. I and II only
b. III and IV only
c. I, II and III onlyd. II, III and IV only
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58. What is an advantage of feeding a
baby with bottled milk rather than
breast milk?
a. Breast milk contains antibodiesb. It is easier to keep the milk free
of pathogensc. The babys intake of food can be
measured
d. The milk is always at the right
temperature
59. The diagram shows the female
reproductive system.
In which parts are the eggs and thezygote formed respectively?
a. 1 and 2 b. 1 and 3
c. 2 and 1 d. 2 and 3
60. The diagram shows part of the male
reproductive system and urinary system.
A cut is made at X on both sides of the bodyand the tubes are sealed. Which process would
be prevented?
a. fertilisation b. meiosisc. ovulation d. urination
END OF EXAM (TOTAL 60 MARKS)If you finish before time is called, check your work on this test.
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