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1987中學會考
試題預習專欄
生物(廿七)
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MILL & DALE PRESS
Revision Exercises
for
Cert. Exam. (1987)
BIOLOGY (27)
Uait 12: Revision, test
(Multiple choices)
1. Which of the following factors affects the rate of water uptake in a potometer, buL-
not in an atmometer?
A Light intensity
B. Temperature
C. Air movement
D. Humidity
Amoeba was transferred
2. If a Fresh Water
from an isotonic
solution to a
hypotonic solution,
the contractile
vacuole would
A. empty more
frequently
B. empty legs.
frequently
C. stop emptying altogether
D. not be affected
Which type of plant is likely to have an extensive root syster, large amounts of aquepus tissue and small narrow Leaves
with sunken stemuita?
A. Xerophyçë
B. Mesopkyte
C. Balophyte
D. Hydrophyte
Questions 4 to 6 refer to this diagram of a section. of human skin.
A sense organ is represented by part
A. 1
B. 5
C. 7
D. 8
5. The part mainly responsible for screening out the sun's ultra-violet rays is
A. 2
B. 3
C. 4
D. 6
6. Increase in body
temperature will result in
A. dilation of B,
decreased activity of 5
B.
constriction of 8, increased activity of 5
C. constriction of 8, decreased activity of 5
D. dilation of 8,
increased activity of 5
1987中學會考
Directions: Question 7 to
10 refer to the diagram of a longitudinal section through a root apex shown belov.
B
7. Which region contains
a najority of
vacuolated cells?
8. The term Meristematic
could best be used to describe cells in which area?
does
9. In which arco
most cell elongation take place?
10. In which region is
most differentiation taking place?
11.The diagram below
shows a
cross section through a leaf.
Cell 2
-Cell
cuticle
Cell Y
stomatal pore
The cells which produce sugars are A. Cells X and Y only B. Cells Y and 2 only C. Cells X and Z only
D. Cells X, Y and Z
12.Which of the following
human tissues has the greatest number of mitochondria in itat cells?
A. Heart musèle... B. Skin
C. Red blood cells D. Lung
13.The photolysis of
water is
A the combination of
carbon dioxide and water to form glucose
B. the release of
energy by the water molecule when illuminated
C. the splitting of
light by chlorophy 11
D. the splitting of
the water molecule using light energy 1.A square metre of
grassland received about 1047000 kJ of solar light energy each year. The fate of this energy is shown below,
Used 'in evaporation of vater
temp (°c)
化元多務服局良保
覽展務服區社良保 出展區灣荃在明今
c. 23500 kJ
D. 21500 kJ
15. The transpiration pull
which is responsible.
for moving water up
through xylem vessel.
is only possible because of
A cultesion and
adhesion of water molecules
B. root pressure
C. photosynthesis
D), osmotic potential
of the soil golution.
16.The graph below shows
the relationship. between the body temperature of an animal and the temperature of its environment.
environmental temperature
animal's
body temperatur
time(hr)
The
ndicate
that
animal
bird
D. an amphibian
17. The table shows the
maximum concentration..
of salt and urea in
rine from four organisus.
Animal
Salt
Urea
US
3.5%
15%
7.05%
235
2.8%
7%
Which animal is best adapted for life in desert environment?
18.A man's breathing waẸ
investigated and the results obtained are shown below, Percentage of oxygen
inhaled air 20%
Pergentage of oxygen in exhaled air-16%
Number of breaths. taken per minute=20 Average volume tidal air-500 el
What volume of
oxygen was absorbed by his lungs each minute?
A. 80 ml
B. 400 ml
C. 500 ml D. 2,000 ml 19.Which region of the
A
523500 kJ
Transsilted to the ground
335000 kJ
Reflected by 165000 kJ the leaves
Used to provide for groy th Used for other life processes Respiratory
heat losee9
central nervous system stimulates an increase in rate of breathing. when the carbon dioxide concentration in the blood rises?
cerebrum
B. spinal cord C. cerebellum D. medulla
20.Potted geranium plants were set up as shown in the diagrams below.
Experiment 1;
21500 kJ
AT START
AFTER 10 DAYS
1500 kJ
500 kJ
light
Experiment 2;. AT START
light
How many kilojoules
are used by the grass
for photosynthesis?
A. 170000 kif
B. 145000 kJ
明譏出版社
MILL & DALE PRESS
Revision Exercises
for
Cert. Exam. (1987)
no light.
AFTER 10 DAYS
致合映。
日五廿月三年七八九一曆公年六十七國民華中
三期星
報日僑華
貝郭家嬂主禮。. 毗區中心,中心及哪內老人安排粤曲欣賞晚會,請東九龍社會福利基 六特部)保良局梁華老人中心月前啓用,本月廿一日晚假觀黹樂
亥年副主席馮萊動、應屆副主席陳鴻基伉礙、陸慶濤伉儷、總理沙標有 保良局樂華老人中心辦「粵劇欣賞晚會」,主禮人與贊助及表演嘉 、朱正賢先生、當居顧問陳鳳碧茵、己未年主席蔕司徒、附涣森、粼 出席晚會有:郭家煉及東九龍社會福利專邑、保良局主席朱平小玲
【觀衆對每位義務演出之嘉賓報以熱烈掌聲。 粵曲欣賞晚會開始,名曲不絕於耳,使全傷生色不少,在塲之數百
年副主席馮秉勳及應屆副主席陸慶及夫人陸馮秀容。 應屆保良局主席朱樂小玲、己未年主席】司徒潔及其夫婿蕭淡森、癸亥 顧問陳區碧茵、副主席甌垂基、總理店沖鹕、吳雄及演出之各位總理。 | . 主遭人郭家散專員,代表保良局致送紀念品予當晚贊助人:保良局 支持,希望透過粵曲欣賞晚會,為老人提供極盡視吧之認的晚上。 |意,更感謝晚會贊助及演出之各總理、和興白花油及香港荳品有限公司 保良局主席朱梁小玲致詞,對郭家福利專且主禮,致以萬二分
粵曲欣賞晚會娛耆英
保良局樂華老人中心
·固成茶、康樂部長韓成城、要兆楠、鄒漢。 研究部長何世明、滿、東、練達生、貿易發展部長張銘、謝糕、 、跳黃北球、張國書、公共關係部長馬帝倫、馬繼海、黄江憲、生產、 、副輝、梁洪基、福利部長麥志、副陳永炎、梁權、審核部長何滿權 五 ̇席植深儉、張廷、總務部長蘇俄、陳永安、陳綿、財務部背瑞祺 【疑問,則會長郭友德、嚴枝、馮成、超栢光、主席何烈炘、副主 會,經附百餘席,影衣香,極一時之姿。該會第六屆新員名單如下: 「薑就職,由香港工業署長构啓彥主殿,立法局議員黃保欣監獄,千人 該會咋假海洋皇宮酒樓舉行慶祝第大码成立三十九週年暨第六屆會
廠商會會長周孜在就職典禮所透露。 三
裝鞋可望於今後戍個丹內獲得解除入口限制。」以上爲香港橡膠辔鞋業 製鞋類除女性梦,其包括運動的秘出,一律散限制,至於 | 與本港的貿易前景甚佳,預料今年港加兩地的出口可望有一定的增長, 降,謝官力隨之沉如,這幾個月來不少廠號,已涼百獏到打擊。初拿大 食發表的貿易法案,對本港的產品出口威脅不大,美國失業人數逐漸下 美國•經濟復甦!见明顯,保護主義的悄緒,較以往這低,日前美國國 所謂保護主義形啊,但我們都能克服困難,平定渡過,我們主要市場的 ( 潯訊 ) 香港的製鞋業,尚能保持穩定進步,雖然受到若干地區的
楊啓彥主禮黃保欣議員監誓
會董就職並祝會慶 香港製鞋業廠商會 K+ ** # ** # **HI
40
።።
These experiments
indicate that for the geranium
A negative geotropism
is greater than positive phototropisa
B. positive
phototropian is greater then negative geotropism
C. pasivive geotropism
is greater than negative phototropism D. negative
phototropian is, stronger than positive geotropism
21; The graph below illustrates the results of au experiment in which pieces of well-washed potato tissue were immersed in solutions of known emotie potential for 24 hours.
final weight
initial wei glit
0.6
0.2
02 04 06 08 10:12
asmotic potential of bathing
medium (atmosp- heres}
Using information
obtained from the graph, the osmotic potential of the potato tissue was A.0.2 atmospheres B. 0.4 atmospheres C. 0.7 atmospheres D. 9:9 atmospheres
22.The table shows the
amounts of substances present in human blood plasma and glomerul or filtrate (measured in. grammes per 100 ml of fluid).
Component
Amino acid
Proteins
Urea
Inorganic Salts 0.72
The difference in composition of plasma and filtrate ia explained by the that
fact.
A. proteins are
selectively reabsorbed in the kidney tubules
B. proteins do
pass into the
But
Bowman'e capsule
C. active transport equalises all
components except protein
D. proteins are broken down to urea, in the kidneys
23.Stomata of plant
leaves.usually open when the
A. air temperature
falla
B. light intensity
becomes very low
C. turgor of the guard
cells increases
no light
D.
sugar content of
1
sec cosech
1. Using the substitution
t-teng, find
de 1+sing
2. Given that xacha &
yeasin3, a constant.
試題預習專欄
ADDITIONAL MATHEMATICS (27)
附加數(廿七)
ds
dy
hence
Exercise 14:
General Revision
b) Show that
a) find
and
3.
(a) Sketch the curve 2 3 y-3x-x
(b) Find the volume of
the solid generated when the area enclosed by the x-axis and the curve in (a) is rotated
the gun rẻ cells decreases
24.one of the principal results of leaf fall in deciduous trees is that
A. respiration ceases entirely until the spring
.B. food-making
activities are taken over by the Foot
the trees obtain
their food from the yoil
Di water is conserved
in the winter
25.The compensation point of a green plant is the light intensity at which
A. respiration stops B. carbon dioxide
absorption exceeds evolution of oxygen C. photosynthesis
reaches its maximum D. glucose syntheais
balances ita utilisation
Solution
1. A 2
5. C
9. c 10T11
A 4. C
-8. B
12. A
13. D 14 € 15. À 16, C
17. C 18 19 D 20. B 21.22.
-23. C 24. D
25. D
數學(廿七
明德出版社
MILL & DALE PRESS-
Revision Exercises
for
Cert. Exam. (1987)
MATHEMATICS (27)
Suggested Solution to Test Nine cont.
8.
(a) (x−2y+3)+k(2x=y\\0 (2k+1)x-{k+*}x+3÷U
(b):
Slope of the family of straight line 2x+2y=519 1
-1
2k+1-k-2
k-T
(ADS.)
slope of the given
straight Line 3x+91-7 is -
therefore,
2k+1
1
(+) (1)=-1
2k+1=3k+6
k=-5
(e) The centre of the
circle is (1,-2) (2k+1)(1)-
(k+1} (~2) +3×0 4k+8=U
(d) x-2y+5=0,
2x-yeo.. from (2)
y=2x x-2(2x)+3=0
(a) area of Á AHC-
(50)(50)sinto"
2
Area of AAFE
Area of ABUP Area of ADCE
--(a)(2ạ)siu60°
2 2
Area of ADEP
裴
-2.50*~({√3a2)3
255.2 (-1.29982)
(b) A AFE AFBD=ADCE
(S.A.S)
(Ang.)
FD-DE-EF
ADEF is an
equilateral triangle. Let the length of FD
Area of ADEF =2(x)(x)sih60°
Ja
x=√3a
3a
10. Since L, Bare the
roots of
ax2+bx+c=0
.(1)
.(2)
are the
roots of
2
From (1)
(x+8)2
Substitute the value
of (+) obtained in (3) into (5)
2
-143.37.cm
(Ans.)
(b) Area of square ABCD
=10x10
-100 cm
2
Area of aquare DEFG -(2/13)(213)
=52 cm2
the common ratio
52
100
the sum of all the areas of the square
100
5
*
100
10000
ст
48
2
268.33 cm"
(Ans.)
12. Let the first three terms be ad, a and a+d, respectively, (a=d)+a+(B+d)=15...(1).
ae5 (a-d)(a)(a+d)=80...(2)
13.
&(8 ̃-d′′)=80
5(25-d2)-80
25-d2-16
2
d=13
when a 5, d=3
the first term is 2 the common difference is 3.
*
when a 5, de-j
the first term is 8 the common difference ia -5.
(a) The required
probability
GGGGGG
18. 12
125
:30
*125
(5)
G
*25
(b) The required
probability.
(Ans.)
4-(the probability
that the red ball is in B)
22
(Ans.)
a
compare (2) and (6),
we have
In rt. ABEC
A
2
(Aug.).
11.
-ac (proved) (Ans.)
D: bem F 4cm. C
A
вст
4cm
16100
CE
BE
tan25°
бан
14. cm.
A 4 H
Scam B
k-(Aus.)
X=1
y=2
P is (1,2)
(Ans.) (Aus.)
B a D
लै
about the x-axis,
4. Given the circle:
x2+y2-2x-8y+1~0
(a) Find the centre and
radius of the circle.
(b) Show that the circle
touches the x-axis and find it point of contact.
(c) Prove that, if BT is
another, Langent from
|(a) EF-√ CE2+FC2
5.
√36+16 -$52
=2√13 om
perimeter of square
HEFG
4x2√3
=8 13 ca
perimeter of aquare ABCD
the counon ratio
40 ca
B 3
40
J13
The sum of all
perimeter of all square
T(3,0), the paint of contact bih,k) must autisfy the condition 11-2k-1.
(a) Use De Moivre's
theorem to find the cube roots of unity.
(b) If the roots of (a) are denoted by
1, W, w"; prove that
CE-BEton25°
=4(0.4663)
1,8652 m
AE AB BE
-J52
-7.211 m
In rt. AAEC
tan CAE-
CE 1.8652
AE 7.211 =0.2587
¿CAE=14°50' (Ang.)
(b) Area of ACRE
~(CE)(BE)
(1.8652)(4)
-3.7504 m
Volume of the solid' =6x3.7304
22.5824 2
{{i} w*=W,
(ii) w3, w2,
J
2
(iii) 1+W+W2=U
(Ans,)
(c) Using the results of
(b), prove, if x=a+b,
tiia t
X 4
+2