育教僑華頁三第張六第日三十月四年巳丁展复 WAH KIU YAT PO
報日僑華
一期星
日十三月五年七七九一公年六十六國民華中
3.
The following diagram is a 'sactions? view of a human biale.
(3)
育敬僑華
九七七年香港中學
HONG KONG CERTIFICATE OF EDUCATION EXAMINATION 1977
生物
試卷一
BIOLOGY
PAPER 1
One hour and thirty minutes
8.30 am.-10.00a.m.
This paper must be answered in Chinese
(a)
沙
20 cm3) 4 MER •
20
ME..
▸
20 cm
(i)
(1)
(3)
(1)
* + tom'
20 cm. Là 1 n n 10 Ép đ
# 37°C?
(V) 429 5.
(1)
12)
蛾的
物
15
选
(g)
(p
ta)
(mg)
.. (m)
(mg)
• {arg}.
(2)
6.3
1.1
86.7
.3.5
0
D
化
错的
12.0
39.8
0
10.5
。
▸
:0
16.6
18.0
0
1022
0.083
0.023
费游
2.5
随
2.3
70,0
5.32
60
0
(1)
12)
(3)
(1)
(2)
(3)
(4)
好心斷。
事
b) 1.
t份含量在一日中性生之變化;
呼出體
166
0.03%
4%
%
79%
20
( 12 )
(0
(i)
本之辉腔质胶如何唐麗在水中死陪上露監?
(3)
会觸方式。
(4)
(+)
衍
做之位置。
11)
(2)
·
BE
··75)
(12)
(2)
淤型)
一九七七年香港中學會嵇
HONG KONG CERTIFICATE OF EDUCATION EXAMINATION 1977
BIOLOGY
PAPER 1
One hour and thirty minutes.
生物
試卷一
ETAMISEL {15 E
This paper must be answered in English Answer Question I am) aux two other questions.
8.30 a.m.-10.00.a.m.
Ruction COMPULSORY ques(NMI
Six -tuber. A to F. are set up as shown below to a water bath. for 85 roinutes. The temperature of the water is kept congant at 37°C.
D
p2
Name X give theme functions of this part of the bian.”
How does X differ from the spinal cued in
(1) the disibution of nerve cell bodies?
(2) the ture of que control 7
(i) Name and state the abnormal behaviour when it is injured.
(h) Name Z willen la son endocrine gland and state thres other endocrine glands is the
body that affected by its secreion
When peran is in situation of emergency, phynological changes take place pilly aalde his body.
The Cocu of each test-tube are as follows:
Tri-Cuba
Contents
20 selva.
10 cm starch solution +10 casažba.
20 atlution + 10 cm2 baßted saliva
20 em starch solution + 10 m2 učen
+ a few drops of dilute hydrochloric acid.
Describe and explain any observable changer when the contents of
(1)-tube Dare lested with two drops of iodine solution.
(2)ube Ewe remes with twu drops of fodine solution.
(3) este noted with 10 cm3 Fekling's solution.
- (b) ', Why should the test-tubes bu kegt al 37°C !
(i) What is the mportance of test-tubes A, B and C in this experiment?
(iv). What is'the purpose of setting up leg-tube 57.
() Name the enzyme:
i found in saliva,
(i) Describe and explain the results of (1) ledine teel and £2) Fehling`s best for tranzube
Difikaterwise been kept ita ielogerator før 15.minutes
10
Which undocrine gland will batiste de react to the synergency situation?
. (B)
Haflon
产 What are the effect of t) to the body"
(c) Anexo camp wing the impalakas nav
Seedling &
Sanding B
Sedlog A
dunald,
pac proced
Seedling C:
radide untreated.
10
画
When in the can of the androva calcium liefde?
With repens in prvih und vertue of the maddelen of the ending A. § and s
mul changes, if any, would takes sad after a few days?
Củ). What conclusioenna | ka damit from the orbitrations in 411) jan
(1)
(C), welling©Y
MID?
(x). „Ancast for the dupa in meth had curvature of the radice of suc đồng Á
© Camino faénasa for the motis ni veding A mó Ć ́goving under saturat
condiciona..
120 mark11
(b). The following table shows the relative food valce per 100 g of four kinds of air food in si
The following disgrima ilove some oogaresina föring's
die
Ctractuenia of Prauci
Fu
Carbohydrate Calcium
Vitamin A Vitamin C Vitamin D
Tood
(四)
m
(mg)
(=).
Raw food
6.3
1.3 86,7
15
0
Pork
12.0
母
10.6
0
欧
100 18.0
0
102.2 0,085
D
3.022
Spisach
28
自
2.5
70.0 $42
0
.
From the table, why is frah the most important food for growth of children 7
dit which two types of food are wore important for the development of healthy bones?
Explore.
() Name sve diverso which may be caused by prolonged shomon of spach from the
diet:
(Which food in the grout impartase to provide energy for man T
> marks)
(c) The following graph shows the deity, variation of such content in the leaves of a
potala piant
Starch
Pow
Anhividiusmi (Day)
eletus Moride
Describa and explain, the changes repcoated by the graph.
(5 marks)
The following table shows a companion below the bahaded (barathed in) ile mod the exhaled (breached out) an in mes,
Fabeled sir
(0)
Which of the organiem sie producers? What is the common feature that determines then to be chassified productes?
(U). Nxisa xwe consumer n. ibis bablat. · Stain the main diffrieren betwees a primary'
contener and a secondary conletoget.
(2)- What dould H be classified in this ecosystem? How do they play their part in it. 7
(h) · Construct one food chain of four organisms which, xww.shorem, in the' dingin.. Wh
1 entrgy of this food chain ?
(v) Why is often found sent the surface of the water ?
(vi). Aunning char A feeds on D and E which, a lure, feed on C, what happens to
population CF the siis of population & decreases 7. Explain your answer.
(r). The unsuit of energy available to organizor decreases along a food chain State Wo
ways in which that energy may be lost.
衛
Inhaled
Dxygen
Carbon dioxide
Nitrogen
20%
0,01%
7956
NE
sara as the atmosphere
Temperature
mamo na the simmon pèsærm
more than the atmosphere
same as the body
(5) How does oxygen in the inhaled sår enter the bīnad 10
(2)
in what for mainly and, through which blood rear is the oatygen carried away from the lungs 7-
(3). Describe and explain what happens to the oxygen whats it swaches the body
(1) Name the prooem in which carbon dioxide lo che ambalad mir i produced.
(D
Where does this process take place in the body ↑
(3) Debe wit explain what happens to the carbon dioxide in (2)
(12 mil
09.00 Describe and explain four external features of A, which sie adaptations for las in
water
How are the fore and hind limbs off adapted for locomotion in water and on land i
(8 marka)
The following diagram show the structures of two duTerent kinds of flowes,' A and B. Ats un lunați-pollinated flower, and a wind-pollinated flower. (The diagrams are nos draws to the samesnis.)
(4)
In what forms and through winch main blood stain can this carbon dioxide be
carried to
}
The how.
b)
the lungs.
gly. Explain briefly wity, water vapour in the eskaled air in more than that of the
anosphere.
{N} Why is there a difference in temperature between the inhaled alt and the exhaled air
(b)
(12 marta)
Space X
• Space P
· Lew) Q
Graduated thr
gwcoes souther and yo
A
An iriact-pallizestuck showe
· A wind-pollsawd flower:
Suggest dos seman how 15 of Elqwer A is structurally more voted for forest- polluting than N of Bower B.
(0 Emplut how mich of the following is suited to the different methods of pallbustion
la Bowers A 254.
(1) The sectoren of P.
(2) Tim position of R.
Đán The Two
Peroni Fowlure of 5 in Abwin A and B. How we the Fastures eclared as adaptalicion to these moeshode of pollason 7
thỳ Hưu the structure which develops from 5, which will enable to contenta la tasch
the rule for fertilitatcut.
(v)
What will happen to bé undă (2) after fertilization ↑
EU mark)
At the beginning of this expertners, the graduated tube of the apparatus is completely
The inheritatos of hair colour guinea pigs follows the Mendel'a first law.
led wh a mixture of glucose solution and yaand an sowas in che diagram. After one
10)
自
boar, the solution buide the graduated tube has dropped to level Y.
00 Why Nak the solution dropped to level Y?
做
Hazne site pubstance you -rould expect to find in space X, sax result offi.
(HD) How would you test for the presence of this substance? What can be cherved after
you feel?
(b). Hame the process which is demonstrated by this experiment?
jus Name wol applications of the persecuz
(4H marks)
la mother experiment, a smile set of ipparaten is used but the graduated tube ie now completely filled with pond water containing zadium bicarbonate solution. A green wilw plate (Hydrila) ta alan pinced immide the graduated tube. After exporting the appocamus to wnlight for one hour, the Ugold lasicis har grachialed ube has deepped to Q
Mane the substance you would expect to find in space P.
(How would you text for the presence of this substance? What can be cherved after
your test?
1) What the use of the sodium bicarbonate solution"
(a) What does this experimena demonstrate?
(344 marks)
A black pukes på. 11, one of whose parents h black and the other is brown, is mused with a brown pulma pij. K, whose parents as both brown. The parents of Hand Kun hoczy.gout.
( Which in the dominant chincter ? Why?
(2) Using myrabel B lay the dominant character and symbol b for the racero
ycharacter, maku a diagram to show the cross ved the vanilla butaven Hand K. 43) What is the probability But the elipsing of 14 and K, Le. Fration, would
下
(H) (1) Using symboli 8 and b again, make e diagram to show the trond and the remulte between two black guinea pigs of the F, generation from (3).
(2) Sia the ratios of the phenotypes and genotyper of the offspring in the cros
纳意
(d) Explan how you would prove that black puines pig is heterozygens sa hamozygous.
..
END OF PAPER