1987-04-01 — Page 36

̇頁四第張九鳓

1987中學會考 試題預習專欄

生物(廿八 )

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Revision Exercises

for

Cert. Exam. (1987)

BIOLOGY (29)

Unit 13: Revision Test

(Multiple choices)

26.The graph shows the

changes in pH of lake water during a day.

6.91

6,8

pH 6.7 6.61

X

time

summer

The rise in pli between times X and Y is probably caused by A. Increased carbon

dioxide levels due to respiration B. decreased carbon

dioxide levels due to photosynthesis C. increased carbon

dioxide levels due to photosynthesis. D. decreased carbon

dioxide levels due to respiration 27.Deficiency of vitamin

K will lead to

A. beri-beri

B. rickets.

C. scurvy

D. slow blood-clotting 28.An autotroph is an

organism which

A obtains food from

its host

B, obtains food from dead organisms

C. obtains food from

other living organisms

D. manufactures its ovu organie food 29. An organism vhich

lives on or in another living-organism and geta ite, food --- nutrients from that organism is called

A. e saporphyte

B. a heterotroph

C. an autotroph

D. a parasite.

50 Which of the following

combinations is correct?.

Autotrophic nutrition

A. holophytic

Heterotrophie nutrition

holophytic, parasitic, saprophytic bolozoić, parasitic, saprophytic holozoic and saprophytic

kolophytic and saprophytic

B. holozoic.

holophytic and parasitic

holozoic and

parasitic

1987中學會考

日四初月三年卯丁曆夏

31. Some herbivores can

digest plant cellulose because they have

(1) a bigger.

atomach

(2) a longer

intestine

a larger caecum bacteria in the caecum

A. (1) and

only

B. (2) and (3) only

c. (3) and (4) only

D. (4 and (1) only

32. When a person cata too

much quantity of

próteins,

A. the concentration

of amino acids in blood will incresBO B. the concentration

of urea in urine will increase

C. excess amino acide

will be excreted in sweat

D. exceas amino acids

will be stored up inside body

33.Which of the following

is a similar function

of both liver and

pancreas?

A. They secrete

hormones

B. They secrete pepsin

C. They store up carbohydrates

D. They help in fat

digestion

34.Which of the following

is/are function(s) of pancreas?

(1) Secrete enzymes

for digestion of fats.

(2) Secrete enzymes

for digestion of proteins

(3) Secrete enzymes

for digestion of carbohydrates

(4) Secrete

A. All

hormonea for regulation of carbohydrates

1. (3) and (4) only C. (2) and (5) only D. (1), (2) and (5)

only

35.The function(s) of

bile is/are

(1) for the

digestion of fats

(2) for the.

emulsification 61 fata

(3) to change the

food to alkaline, medium (4) to change the

food to acidic medium

A. (1) and (2) only B. (2) and (3) only c. (3) and (4) only D. (1) and (3) only 36.The tympanum (ear-

drum) is concerned with

A. amplification of

sound

B. judgment of the

direction of sound C. equilibrium of the

body

D. transmission of

sound waves

37.Which of the following

is/are not concerned.

with hearing?

A. ear ossicles

B. semicircular cunala C. membranous

labyrinth

D, cochlea

38. The camera' is always

used to illustrate the structure of the eye. Which of the following representations ia not acceptable?

A. Sclerotic coat is

represented by the "camera

Сове

B. Choroid is

represented by the black paint on

inner wall of the

de 1+gine

WAH KIU YAT PO

сипа

C. Retina le

represented by the film, m

D. Iris is represented

by the shutter of the camera

39.Ten cock-rogches

are placed in a box with two compartments one of which is dark while the other is light. After one hour which result is the mostly likely for the reasons given?

A. Most of the

cockroaches will remain in the light because they are searching the way to escape

B. Most of the

cockroaches will be. found in the light compartment because they do not move in order to avoid the notice of enemies

C. There would be no

significant

difference between the number of cockroaches in each compartment because they are insensitive to light

D. Most of the

cockroaches will be found in the dark compartment because they are nocturnal

40.If # chemical.

effective in repelling cockroaches is placed in the dark compartment. Which result will be reasonably expected? A. All cockroaches

will be killed at once

B. Most of the

cockroaches will be found in the light compartment C. Most of the

cockroaches will be found in the dark compartment,

D. The distribution of

random in both compartenza

41.A cloatat is ab

apparatus which

(1) Can detect

geotrupise and phototropism

can measure the force of gravity towards the plant (3) can eliminate

the effect of the light où. the plant

(4) can eliminate the effect of the

gravitational pull on the plant

(1) and (2) only

B. (2) and (3) only (3) and (4) only D. (4) and (1) only 42.Which of the following

is the functiop af cerebellum?

A. muscle com

ordinatio

B. intelligence C. vinion

D. regulation.

breathing

43.The following graphi shows the growth response of routa and stems to varying concentrations of

applied auxiu.

percentage stimulation

of growth

2007

stem

100

root

10 10 10 10° 10° 10°

auxin cone. (ppm)

-100

inhibitor

2

-(con2gesin24)

2

2

coa

2dt

1+t

21

試題預習專欄

1+t*

2dt

dx

1+t+2dt

附加數(廿八)

(1st)

(Ans.)

1+tany

cos 0

-3ena Qainų

Jacos Osine

sec corece (Ans.

(1)

Intercepta;

When x=0,

郭日僑華

Which of the following cannot be deduced from the graph?

A. Both the root and stem have a range of auxin concentration which promotes growth.... B. Both the root ang

stem traye

о гарде of auxin concentration which inhibits growth

is more sensitive to auxin D. The auxin

C. The root

concentration inhibitory to the stem is stimulating to the root.

44.The grey matter of the

spinal cord is composed mainly of 4. AXON of neurons B. dendrites of

neurons

C. cell bodies of

neurons

D. neurilemma of

neurons

45.Which of the following is the correct pathway of the components of a reflex urc?

A. effecturefferent

neurone relay.

neuronfferent

neurone receptor B. receptor afferent

neurone-relay neuronsefferent

neurone effectar C. receptor efferent neurone-relay. neuronfferent

neuroue effector D. receptor affèrent

neurme efferent nearone relay neurone effeator

46.An experiment vás done

in order to

investigate the mode of action of alivary glands. Normally the salivary glands of a puppy secretes Šulive only when food reaches ts tongue. For a few weeks, a bell was rung just before the puppy was fed. Afterwards, the bell range at feeding time but no food was given to the puppy. The puppy still secreted saliva. This ́· is a response known as voluntary action

A

B. bormonal.com

ordinatión-

C. simple reflex

action

D. conditioned reflex

action

47.A frog and a dog

sitting on edge of a river are both suddenly touched on the back. The frog jumps into Mater below, but the dog recovers from its surprise in time to stop his first impulse" to jump forward. What fact below can explain at least in part the difference in response of these two animals?

A. Dog has a more

complex cerebrum

B. Dog's response is

instinctive,

whereas the frog's response is learned C. Dog would be more

likely to get hurt by a full than would the frog D. Prog can swin

whereas the dog cannot

Directions: Questions 48 to 50 refer to the diagram below shows number of body cells and their neighbouring capillary supply

4x-3x=0

x=0 y=0

OT 2

4 ог

-6x > 0 when x-u

⇒(0,0) is a min.

pt. wlien x2 ⇒(2,4) is a max.

| B (3.0)

明迪出版社:

MILL & DALE PRESS

Revision Exercises

for

Cert. Exam. (1987)

ADDITIONAL MATHEMATICS: (28)

Solutions to Exercise. 14

1. tetang

dte sec 20

−1(1+tan2;)de

2. x-ucos30, y-asin3y

=-3acoa esine, (Ans.)

L-Jasin ecoso, (Ans.)

dy dy' de

When y=0,

*x*0 or 3

jls: (0,0), (3,0)

Extent:

When X, 4 DO,

(b)Volume of the solid

2dt

dy

dx de

椎

2

2

-Jacós esine

generated by OAB about the x-axis

-fo(3x2-x)dx

三期星

一月四年七八九一曆公年六十七國民華中

body cals capillary

rational numbers a‚ând,

70-80

10

bif

wall

80-90

接

$-2

body.

·Cells

48,What is the fluid

which occupies space ̈X?..

A. lymph

B. blood

C. intercellular fluid D. plasma 49.The structures found

in blood but not in the fluid of X are

(1) red blood cells (2) blood platelets (3) white blood

cells

only

A. (1) only B. (1) and C. (1 and 2) only D. (2) and (3) only 50.The compounds which

may pass from the capillary, through space X, into the hody, cells are

(1) simple sugars

amino acids fatty acids and glycerol hormones

(5) oxygen

A All except

B. All except (5)

C. All except (3) D. All except (4)

Solutions:

26. B 27. D 28. D 29. D 50. A-31. C 32. B. 33. D 34. A 35. 8 36. D 37. H 38. D 39. D 40. B 41. C 42. A 43. D 44. C 45. B 46. D 47. A 48. A 49. C 50. B

數學(廿八)

三明懑出版社

-6. If x varies inversely

на у

y2, find the

percentage change in x when z is increased by 10%. (Answer correct to 3 significant figures.)

7. In the figure 2, 0 is

the centre of the circle. ACB=15° and DA-10cm, find the areu of the shaded region. (Take T-3).

Figure 2 SECTION B (60%)

8. In a geometric

progression, the second tera is 6 and the num to infinity

is 27. If the comONO TI ratio of this

progression is less than .

(a) find the first term of the progression

(b) how many terms of

the progression must be taken до that the sub is greater than 26.9.

9. A large gate ABCD

hinged in the vertical line AD, is open through-40° into the position AB'C'D,

MILL & DALE PRESS

D

Revisión Exercises

for Cert. Exam (1987)

MATHEMATICS (26)

REVISION TEST-PARER Tine allowed 2 hours

only

Answer: ALL questions in SECTION À and ANY SIX in SECTION B. SECTION A. (40%).

1. In figure 1, BC, EF

and DA are parallel, BC AD. If the area.

2

find of AÅDE is 4 cm, (a) the area of ABEC the area of EAF

(3)

B

Figure 1

2. A sells an article to

B at a gain of 20%. 3

sells it to Cát a loss of 10%. If Cpuid $3600 more than its cost A, find

(a) how much and

C respectively

paid for the

article.

b) the respective

profits for A

and D.

5. Find the values of XER such that

2

<

<3

4. Find the values of

x and y if

27*93, and

8143

5. Find the values of the

-x(925) 729-197)

(Ana.)

20.87

4. x2+y-2x-8y+1=0 (a)centre (1,4)

2. radius=√1

(Ans.)

(b) the circle meets

(c)

the x-axis, then y=0,

1

-x+10

(x-1)2-0

-1 (repeated)

Since this is a repeated root,

the circle touches the x-axis at (1,0)

Y

(Aus)

A(1.0+(3,0)

-xfo("x2-6x+x")dz

From ding, › BR¬AT

-sinė

(Аля.)

come

(taking

When x

at

Sta

onary points:

Now, (d)

sinë

TU

九報 登令港 物之性 有指政

有質關定府日叁在

【讀印柯必社必里必家必

TAI 强告大者刷式有團讀生 庭覽商

廣告部電話:5

效廣法刊明香

беше

Figure 3

If the gate is 8 m high and 6 a-wide, find

(a) the angle between

AC and AC*,

(b) the angle which

AD makes with the plene ACCUS

10, 150 students took,

examinati ons, in English Chinese and Ma tiedati ca. 25 passed in Chinese and English, 15 passed Min Chinese and

Mathematics, 10. passed in Mathematica and English;

30 passed in English only, 40 passed in Chinese only; 20 pussed in Mathematics only. There are Walthögether 60 passed

in English,

(a) If a student is

picked at randum, find the probability that he passed in all three subjects

(i)

(ii) one subject only (iii)no subject

·90-100

Find the meat!

score of the teat

(b) Construct the..

corresponding cumulative

frequency polygon of the above. frequency distribution. (c) If 60% of

students passed in the test, determine, from your c.f. polygon, the pass mark of the test.

12. In figure 4, the

straight line 1 cuts the circle C at P. and 0.0 is the centre of the circle.

046,7)

(*)

17,0)

Figure 4

(a) Find the equation

of E.

(b) Find the equation

of C.

(c) Find the coordin~

ates of P and Q.

13. An inverted conical

vessel of volume

3

240 cm is filled with water to half

ita depth.

(a) Find the volume.

of water contained in the vessel.

(b) If three amall

identical apheres are placed carefully into water until it is totally immersed, the depth of water is

increased by 10%, find the radius of each sphere (Take T-3.14)

14. There are types of

buses, A and B, for hire. The rent an each bus A is $80, and on each bus is”, 800. The capacity of each bus is given by the table below:

(b) If a student is

picked at random from those who passed in English find the probabi- lity that he also passed in Mathematics.

У

10

11. The following table

shows the results of 50 students in a Mathematics Lent.

Marks

Frequency

20-30

2

30-40

3

40-50

5

50-60

10

60-70

14

But (1,k) lies on

the circle,

1;&#2

(1)-(2):

*_2hi−8k+1=0..(2)

~4h+8k+4=0·

h-k-1

"

Which is the required equation that BT is

a tangent at the point of contact B(h, k)

(a)Let z3×1

z=(1)

cis(2kR)

-cia(2),

k0, 1, 2 When k-0, 201

When k-1,

5

Bus A Bus B

Now,

People Luggage

36

140KR 15 200kg

In a school picnic, there are altogether 180 students and 1400kg of luggage. If the most economical way is to hire bus A and y bus B.

(a) write down the

custs in terms of x and y. (1) write down the

constraints for

x and y.

(c) plot the solution

set of the constraints on graph provided. (d) what are the

values of x and

(e) what is the cost.

5

the roots of z ̃=i,

(i) ___ W2-U-V3-W (Ans.)

(ii) w3-w2w.w3 2

(Ana.)

−1+}(--1-1√5) ·

+4(~1-1√3)=0

(iii) 1+w+w?

(Ans,)

(c)x2=(a+b)

-1.15

When k-, z=-

the roots are 1,

(-1+1/3), (-1-1√3),

(Ans.)

(b)since 1, w, whare,

報日僑華

490884

La2+2ab+b2

y2=(a+22

-22

-2ab+b w

(Ana.)

2.2

+2ab+b w

a2 (1+w2 2+w)

+bab

20

+b2 (1+w+w2 )

(AND)

全經包專新歷六一 儒濟矗刊聞史月九刊 稱報萬豐翔悠五二在 許導有富實久日五於