KWUN TONG GOVERNMENT SECONDARY SCHOOL
Yearly Examination, 2001-2002
Integrated Science
Class
: S.1 (
)
Name
: _______________________
Class No.: ________
Max. Mark : 100
Date
: 12 -6-2002
Time
: 8:45-9:45am
ANSWER ALL THE QUESTIONS IN THE ANSWER SHEET PROVIDED.
(A) Multiple Choices : Choose the best answer. (20 marks)
Directions: Questions (1) and (2) refer to the diagram below which shows a plant
cell.
1.
2.
Which of the following structures are found in plant cells ONLY?
A. W & Z
B. X & Y
C. Y & Z
D. Z & X
Which of the following sets shows the correct names of the structures?
W
X
Y
Z
A. cell membrane
cell wall
chloroplast
vacuole
B.
cell wall
cell membrane
nucleus
chloroplast
C.
cell wall
cytoplasm
nucleus
vacuole
D.
cell membrane
cytoplasm
chloroplast
vacuole
3.
There is 43 cm3 of water in a measuring cylinder. A piece of plasticine is put into
the water. The reading is now 57 cm3. What is the volume of the plasticine?
A.
43 cm3
B. 14 cm3
C.57 cm3
D.100 cm3
4. Which of the following should be used to stir liquid in a beaker?
A. a thermometer
B. a wooden splint
C. a chopstick
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D. a glass rod
5. The temperature of an object tells us how
(1) hot it is
(2) cold it is
(3) hard it is
A. (1) only
B.
(2) only
C.
(1) and (2) only
D. (1), (2) and (3)
6.
Which of the following diagrams shows the correct way of heating water in a test
tube?
A.
B.
C.
7.
D.
The bar chart below shows the numbers of students in a class after measuring a
certain variation.
This variation is probably
A. ability to roll the tongue
B.
E.Q.
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C.
I.Q.
D.
blood pressure
8.
The followings is about the characteristics of some animals. Which one is
A.
B.
C.
D.
INCORRECT?
animals
mouse
frog
fish
bird
9.
A.
Which of the following animals does not have a backbone?
frog
B. butterfly
C. goldfish
D. turtle
characteristics
has milk glands
webbed feet
covered with scales
has hair
10. Which piece of apparatus should always be placed under a Bunsen burner?
A. wire gauze
B. tripod
C. heat-proof mat
D. beaker
11. Which of the following statements about plants is INCORRECT?
A. Plants produce food by themselves.
B. Plants do not need oxygen.
C. Plants grow.
D. Plants can not live without water.
12. What process does the following illustrate (說明)?
Heating
cooling
Impure water ----------> steam ------------> purified water
A. evaporation
B.
filtration
13. When a typed letter
C.
chlorination
D.
distillation
is observed under a microscope, the image will appear
as
A.
B.
C.
D.
14. Where does the human embryo grow?
A. ovary
B. oviduct
C. placenta
D.
uterus
15. Which of the following comparisons between plant cells and animal cells is
INCORRECT?
Plant cells
Animal cells
A.
with cell membrane
without cell membrance
B.
with cell wall
without cell wall
C.
with chloroplasts
without chloroplasts
D.
with regular shape
without regular shape
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16. Green plants can change light energy from the Sun into ____________ energy
by photosynthesis.
A. kinetic
B.
chemical
C.
heat
D.
electrical
17. What energy change takes place in a torch?
A.
B.
C.
D.
chemical energy  kinetic energy  electrical energy
chemical energy  electrical energy  heat and light energy
electrical energy  heat energy  light energy
electrical energy  chemical energy  heat and light energy
18. Which fuel was used for cooking by most people in Hong Kong in the PAST?
A. coal
B. petrol
C. kerosene
D. towngas
19.
A.
B.
C.
D.
Fluoride is added to our drinking water in order to
kill the germs.
remove any smell from the water.
supply the minerals required by our bodies.
prevent tooth decay.
20. Which of the following animals does not belong to the same group?
A. a bat
B. a pigeon
C. an owl
D. a parrot
(B) True or False (20 marks)
Write 'T' for a true statement and 'F' for a false statement.
1. In Hong Kong, summer is the typhoon season and we can use wind turbines to
generate electricity.
2. Chloroplasts are brown in colour.
3. All cells have cell membrane, cytoplasm and a nucleus.
4. Some animals become extinct because human destroyed their habitats.
5.
Living things can be classified into two groups: animals with backbones and
animals without backbones.
6. The blue flame of a Bunsen burner gives out more heat per minute than the
yellow flame.
7. Some robots can move, so they are also living things.
8. Independent variables are what you will measure.
9. A dropper is used for transferring a small amount of solution.
10. You can do any experiments you like in the laboratory.
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(C) Fill in the Blanks with the most suitable word(s). (20 marks)
1. (a)____________ only removes large particles.
2.
3.
4.
5.
6.
Two methods commonly used to kill micro-organisms in water are : adding
(b)______________ or (c)_____________.
When water vapour moves up to the sky, it (d)______________ to form water
droplets which gather to form a (e)_____________.
The process in which water changes into water vapour even though it is below its
boiling point is called (f)________________.
Coal and oil are produced from the remains of dead plants and animals buried
millions of years ago. Coal and oil are thus called (g)____________ fuels.
(h)_______________ is the basic unit of most living things on Earth.
7.
8.
An (i) ______________ is released from the ovary around every 28 days.
Sperms are made in the testis, then move along the sperm tube, and come out
from the (j)______________.
9. A (k) _______________ is used to magnify tiny objects which cannot be seen
with our eyes only.
10. The (l)_____________ of a cell contains genetic materials.
11. Excess burning of fossil fuels can cause (m) ___________ rain which can
seriously destroy the rain forests.
12. (n)________________ is the unwanted changes in the environment caused by
human activities.
13. Plants can be further divided into (o)__________ plants and (p)________ plants.
14. Living things are interdependent. Some are the predators of other animals but
they may also become the (q)_________ of others.
15. (r) _____________________________ are the animals in danger of extinction.
16. The earth is getting hotter than before because of the (s) ______________ effect.
17. (t) _____________ power makes use of heat energy of red-hot molten rocks.
(D) Short Questions (40 marks)
Study the information below. Then answer the following questions.
1. Mary is observing onion cells through a light microscope. She is using a 4X
(a)
(b)
(c)
(d)
eyepiece lens and a 40X objective lens.
How many times is she magnifying the plant cells? (2 marks)
If a 10X eyepiece lens is used, will she see more or fewer plant cells? (2 marks)
During the preparation of specimen, what should she put on the cell? (2 marks)
When she observes onion cells under a microscope, why is iodine solution added?
(2 marks)
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2.
The table below shows some activities which use water. Study the
table carefully and answer the questions that follow.
Activities
A.
B.
C.
D.
E.
F.
G.
brushing teeth using a glass to contain water for rinsing
brushing teeth with the tap running for 5 minutes
turning the tap off while you are soaping yourself during a shower
taking a shower with the tap running continuously
flushing the toilet
Washing dishes under a running tap
Watering plants with a watering can
H. Daily cooking and drinking
(a) Answer the questions below with letters only (4 marks)
Guess which activity
(i) uses the most water?
(ii) uses the least water?
(iii) needs the purest water?
(iv) needs the least pure water?
(b) Your friend asks you to drink less water everyday in order to save water. Do you
agree? Why? (2 marks)
(c) If you live near the sea, for which activity could you use sea water instead of fresh
water? (2 marks)
3.
The diagram below shows a windmill. The windmill provides energy to the
house through cable Y.
(a)
(b)
(c)
(d)
What is the form of energy at W? (1 mark)
What is the form of energy at Y? (1 mark)
Name machine X for changing the energy from W to Y? (1 mark)
Give two reasons why we do not use this energy source in Hong Kong.
(4 marks)
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4.
Read the information about the dodo below, then answer the questions which
follow.
The dodo
The dodo was a large flightless bird with short legs. It lived on the island of
Mauritius over 300 years ago. It became extinct because very soon after people and
their pets like cats and dogs came to live on the island.
(a) What does the word ‘extinct’ mean? (2 marks)
(b) What does the word flightless mean? (1 mark)
(c) Suggest THREE characteristics of bird that leads to(導致) its extinction.
(6 marks)
(d) Consider the above features, state the reason why the bird became extinct on the
island. (1 mark)
5. The diagrams below show four animals.
(a) Which TWO characteristics put A and B into the same group? (2 marks)
(b) Which ONE characteristic put C and D into the same group? (1 mark)
(c) Give TWO differences between A and B. (2 marks)
(d) Give TWO differences between C and D. (2 marks)
END OF PAPER
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