2019_bio_olevel_nov_paper3

Extracted Content: 2019_bio_olevel_nov_paper3

Page 1

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Centre Number Candidate Num ber

Candidate Name

vy EXAMINATIONS COUNCIL
ZIMBABWE SCHOOL EXAMINATIONS

General Certificate of Education

BIOLOGY

PAPER 3 Practical Test
NOVEMBER 2019 SESSION

4025/3

1 hour 30 minutes

Candidates answer on the question paper

Additional materials:
As listed in Instructions to Supervisors
Ruler (em/mm)

Electronic calculator
Pencil (B or HB is recommended)
\softceanenser PY

TIME 1 hour 30 minutes

INSTRUCTIONS TO CANDIDATES
Write your name, centre number and candidate number in the spaces at the top of this page.

Answer all questions.
Write your answers in the spaces provided on the question paper.

Use a sharp pencil for your drawings.

Coloured pencils and crayons should not be used.
FOR EXAMINER’S USE |
1
INFORMATION FOR CANDIDATES J
The number of marks is given in brackets [ J at the end of 2
each question or part question.
TOTAL

Copyright: Zimbabwe School Examinations Council, N2019

©ZIMSEC N2019

[Turn over

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@)

you are T

You are

abel two beakers A and B.

provided with two samples of water, S1

equired to investigate a property of water.
! and 82, al different temperatures

“ e the temperature of S1 and record the temperature in Table 1.1.
2. Measur

Measure the mass of beaker A and record the mass in Table 1.1.
3, Meas

Measure 20 cr 3 of Si and place it into the beaker labelled A.

4, Mca beak

5. Measure the mass of S1 and beaker A and record the mass in Table 1.1.
. Me

Complete Table 1.1 by calculating the mass of S1.

6. Repeat using S2 and beaker B.

() ‘Table 1.1

°
' temperature/ C

mass of beaker and
water/g

mass of beaker/g

mass of water /g

4025/3 N2019

SL

[8]

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| r EEE

$2
31 and
Calculate the density of S

(ii) Calc

SI

S2

(4]

ater investigated
ty of water inves g
a3 me the proper
(iii) Na

_U

4025/3 N2019

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(i ) Ex lain how living o ganisms benefit from this pr pert 2 pro iv p I ry OF water

(b) Describe a method to demonstrate the capillary action of water

[Total: 20]

4025/3 N2019

152

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2.

(a)

You are provided with two specimens. A and B. of plai

Examine the two specimens

eitudinally
n A using

f specimen A

1. Cut specimen A lon!
2, Examine the cut specimer
Make a labelled drawing ©
3. Examine specimen B with han
Make a labelled drawing of specim

a hand lens

d lens
en B

(i) Drawing of specimen A

Drawing of specimen B

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153

nt reproductive organ

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jon by specimen A and specimen B.

e e ct
ii) State the type of rep ‘odu
(iE

of any two labelled parts of cach

i) Complete Table 2.1 by stating the functions
(iii

diagram.
Table 2.1 ee ee ae peer rr
—_ name of part _ function...
7 j
specimenA PS SS
2
] if
specimen B _ en eee _ _
|
2 |

[4]
(iv) Describe any two structural differences between specimen A and specimen
B.
1
2

4025/3 N2019

154

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(v)

State any four advantages (

be

iss

Gre
\‘ an|
Proof

cand

No 4

dont

} In dd

Sul

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