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First term test2013 grade 9 paper 2 GA Atoll school.
GA ATOL SCHOOL , KOLAMAAFUSHI
REPUBLIC OF MALDIVES
FIRST TERM EXAMINATIONS- 2013
BIOLOGY Grade 9 5090/22
Paper 2 Theory 26TH MAY 2013
1 hour 30 minutes
Candidates answer on the Question paper.
Additional Materials: Answer booklet/paper
READ THESE INSTRUCTIONS FIRST
 Write your centre number,candidate number and name in the spaces at the top of this page and
on any separate answer paper used.
 Write in dark blue or black pen.
 You may use a soft pencil for any diagrams, graphs or rough working.
 Do not use staples, paper clips, highlighters, glue or correction fluid.
 DO NOT WRITE ON ANY BARCODES.
Section A
 Answer all questions.
 Write your answers in the spaces provided on the Question paper.
Section B
 Answer ALL the questions.
 Write your answers to Section B on the space provided on the question paper.
 At the end of the examination,
 fasten any separate answer paper used securely to the question paper.
 2.enter the numbers of the section B questions you have answered in the grid below.
INFORMATION FOR CANDIDATES
 The intended number of marks is given in brackets [ ] at the
end of each question or part question.
 You are advised to spend no longer than one hour on section A
For Examiner’s Use
Section A
Section B
Total
CANDIDATE
NAME
CANDIDATE
NUMBER
This document consists of 12 printed pages
FIRST TERM EXAMINATIONS- 2013

2. 2
First term test2013 grade 9 paper 2 GA Atoll school.
Section A
Answer all the question in this section.
Write your answers in the spaces provided.
1.Fig.1.1 shows the average sweating rates of a person over a 4-hour period under
different conditions.
Fig 1.1
(a) State two ways other than by sweating in which a person might lose water.
1. .....................................................................................................................................
2. .................................................................................................................................[2]
(b) State and explain how the rates of sweating shown in Fig. 1.1 are different for the person
when they are
(i)walkingandsitting,............................................................................................................
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(ii) clothed and unclothed,
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(iii) in the sun and in the shade.
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[6]

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First term test2013 grade 9 paper 2 GA Atoll school.
(c) Suggest an explanation for the effect that carrying 15 kg has on the person’s rate of sweating.
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[Total: 10].
2. Fig. 2.1 shows a pair of kidneys and some associated structure.
Fig 2.1
a) i) identify A in figure 2.1
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(ii) Peristalsis occurs continually in structure A. Describe and explain how this helps
the structure to carry out its function.
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(b) Identify structure B on Fig. 4.1 and state how the structural features of C and D enabled you
to make your identification.
structure B .................................................
structural features of C and D .......................................................................................................
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First term test2013 grade 9 paper 2 GA Atoll school.
(c) On a hot day, a person consumed only meat before a day of energetic work. Explain
thelikely changes in the composition of the person’s urine during the day.
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[Total: 10]
3.Fig. 3.1 shows the liver receiving chemicals from and sending chemicals to some other
organs.
fig 3.1
(a) Identify organs G and I.
G .............................................
I ............................................... [2]

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First term test2013 grade 9 paper 2 GA Atoll school.
(b) Name the carbohydrate travelling in the hepatic portal vein (E), and explain how, on
arrival in the liver, it is converted into a storage compound.
named carbohydrate ........................................................................................................
explanation .............................................................................................................................................
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(c) Describe how the composition of the contents of F and H differ in a healthy person.
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[Total: 10]
4. Fig. 4.1 shows a vertical section through a human heart. The valves have not been shown.
Fig 4.1
(a) Identify structures A and B in Fig. 4.1.
A ..............................................
B .............................................. [2]

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First term test2013 grade 9 paper 2 GA Atoll school.
(b) Complete Fig. 4.1 by drawing the valves to show how they control the direction of blood flow
through the heart. [4]
(c)On Fig. 4.1, draw arrows to show the direction of blood flow into, through and out of the heart.
[2]
Some people have a condition known as ‘a hole in the heart’. This allows a connection between
the left and right atrium at point X in Fig. 4.1.
(d) Suggest two problems this might cause.
1. ..............................................................................................................................................
2. ..........................................................................................................................................[2]
[Total:10]
5. Fig. 5.1 shows a computerised image taken through the thorax (chest) of a person lying on
their back.
Fig 5.1
(a) Draw a line on Fig. 5.1 to show the position of the chest wall if the person breathes in deeply.
[1]
(b) Identify the structures F, G, H in Fig. 5.1.
F ..............................................
G ..............................................
H .............................................. [3]

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First term test2013 grade 9 paper 2 GA Atoll school.
(c) Explain the part played by structures H when the person breathes in.
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[ Total: 10]
Section B
Answer ALL the questions.
Write your answers in the space provided on the question paper.
Question 8 is in the form of an Either/Or question. Answer only question 8 Either or
Question 8 Or.
6. Fig.6.1 shows the human alimentary canal.
Fig 6.1
(a) Name parts G, H and I.
G .........................................
H ..........................................
I ........................................... [3]

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First term test2013 grade 9 paper 2 GA Atoll school.
(b) In which lettered part does most of the absorption of substances in solution occur?
................................ [1]
Fig. 6.2 shows the concentration of a drug (drug J) in a person’s blood during the time after it
was swallowed.
Fig 6.2
Drug J is taken with a meal.
(c) (i) How long after swallowing the drug does it reach the highest concentration in the
person’s blood?
....................... [1]
(ii) Suggest in which part of the alimentary canal this drug is absorbed most rapidly
into the blood.
......................... [1]

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First term test2013 grade 9 paper 2 GA Atoll school.
Fig. 6.3 shows a pill designed to release its drug (drug K) in the alimentary canal over a
longer period of time.
Fig 6.3
(d) Using the information in Fig. 6.3, explain why it takes longer for drug K than it does for drug
J to reach its highest blood concentration.
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...............................................................................................................................................................[3]
(e) Suggest why the pill shown in Fig. 5.3 may take more time to pass through the
alimentary canal than the food with which it is swallowed;
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[TOTAL10]
7.(a) State the effect on a plant of the lack of
(i) nitrates,
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(ii) magnesium.
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First term test2013 grade 9 paper 2 GA Atoll school.
(b) Explain the significance of leaf structure in the process of photosynthesis.
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[Total :10]

11. 11
First term test2013 grade 9 paper 2 GA Atoll school.
8 Either
A person cuts their hand on a piece of glass that they are picking up from the ground.
a) Describe how the bodys defence mechanism protect the person from infection.
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b)Explain how the person would know if the cut had damaged an artery.
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[Total:10]

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First term test2013 grade 9 paper 2 GA Atoll school.
8 Or Describe the double circulation of blood by reffering the chambers of heart.
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b)write down the difference between plasma and tissue fluid.
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[Total:10]