1966-05-26 — Page 15

貝三第四第

日七初月四年丙鷲夏

OYALE GIU).

華僑教育

英中會考生物科試題

BIOLOGY

Time allowed - Two noare and thirty minutes'.

Candidate No...

Answer ALL questions in Pa. I and FOUR questions in Part II.

PARTI (80 marks)

All answers in this part must be written on the question paper and handed

in with your answer book at the end of the axamination

State SEVEN functiona of the liver of a mammal.

(a)

(b)

(c)

(d)

(e)

(f)

(z)

State the function of EACH of the following;

tal the root cap,

(b) contractie roots,

(c) stipules.

3. This is the skeleton of a rabbit as seen from the left side.)

JOINT Y

(e) State the result you would expect to see in the plants from the following bottles op a water culture experiment.

(1) No nitrates in the culture solution.

JOINTX-

a) Name the nar

Jaint is present at (1) X and (15)

ɑsau, skeleton of `"`ma masa.1)

(ii) No magnesium in me culture solution.

(d) Name UNE source from which the element nitrogen is obtained by (i) green flowering plants, (ii) leguminous plante, (iii) inammals,

ii) Green planta

(ii) Kagumpanous pianis

四期

日六日月五年六六九一廣公年五十五國民幂中

(接第四張第二頁)

英中會考附加自然科學試題

Section Biology}

What is meant by sexual reproduction? Describe the reproductive organa of i

named female mammal and explain the pari played by each in reproduction.

Drawings essential)

Answer in 20-30 words cach, any SIX of the following:

(b)

(51

l

What are the functions of the contractile vacuole of Amoeba †

What are the junctione ɔt root hairs?

What are the dulerances between a fruit and a soud?

What happens to the various parle of a flower after pollination and tronation ?

What are the functions of ing skeleton of a mammal 1

(f).

- What are the differences between exciBison Bad secretion 7

བཀ

(8)

اما

How dues Astigeba survive adverse conditions?

State FOUR difterances between the exiarnaj features of a frog and a mammal.

Give an account på the Nitrogen Cycle in nɛmire, How would you snow that' there are micro-organisma in soil #

E

K

drawing of a half flower of Bauhenia. Label the parts Indicated by

N.

3.

PUBLIC LIBR

10.

Name TWO hormoner. In each case staté the name of the organ that produces the hormona given.

1. A Hormone:

2.

Hormone:

Organi

Organ:-

11.

Define the following terms: (a) Respiration (b) Digestion (c) Reflexaction, i

(a)

[(4) A wholesaler pays $1,800 for a motor cycle He sells it to a retaller an”

a profit. The retailer sells it to a customer for $2,574. The retailer's percentage profit is three times as great as the wholesaler's. At what price: į did the retailer bay the motor cuale?

{{b}. Two scouts started together at the same speed on a 7-mile walk. After one mlie, one scout increased his speed by 1 mile per hour, and a finished the journey half an hour earlier than the other, who walked at a steady spoed all the way. Give the equation from which their starting speed can be calculated. (You are not asked to solve the equation.)

The number of coins in a bag 19 between 210 and 230. Some are ten-cent colna, some fifty-cant coins, some dollars. The total value of the coins of each kind is the same, 'How many coins are there altogether 7

fid; a man nad $20,000, me deposized half of it in a bank paying 7% per annum interest compounded annually. He invested the other half in $5 shares, at $25 per share, paying a 25% annual dividend. At the and of three years he sold his shares at $27 per share, Which half of his capital gave better profit, and by how much, to the nearest $10 ?-

(a) ANGD fa'a roptangular field, with AB - 33 yards and BC = 66 yards." A fence is placed along the three sides AB, BC and CD, supported by: cylindrical posts eleven feet apart. The posts are of height 4 feet and diameter 8 inches. The sides and tops of the posts are to be painted.- Find the total area to be paisted, in square feet

(b) a ane a are two points inches apart, on a straight line. The peinte P and Q are on the same line, so placed that AP X AB-PB2 and AQ XÁB=QB*, Find the lengthe 'of AP and AQ in inches, correct to two decimal places.

(fa) The graph of y xx3-2x-4 is given. (See page 4.)

(1).

From the given graph, solve: x2 - 2x − 4 = 0.

(i) If the line 2y+5x=p passes through the lowest point of the

curve, find the value of p.

(iii) Draw this line and hence solva ina sipmultaneous equation

-x-2x-4, 2y + 5x 'D.

(b) The table shows the distance of a man who' travelled 10 miles from A to B.

0

"Druvidan""knawaw the follomino muestions based on the diagrain.

(a) to what organ of the body are villi found?

Fib) Name ONE end product of digestion found

În vesselÄ

(c) into which organ of the body does blood)

· pass directly' p

Nin vernal A

'{d} Mentiry the vesuet manniied

(This gram or an irien puistu umum

(b)

12.

Identify the stages of the insects drawn below, then name the numbered parts:

*

(a)

IAT

2:45

Make a list of EIGHT named multi-cellular organisms (plants and animals) that you have found in any one named habitat for in a balanced. Aquarium) you have studied.

10.0

(a). Label the parts 2, 4, 5 and 6.1.

(b)

Qave a brief lustrated account of the isis betorý 254 nabras of ONE plans, and ONE animal from your link.

Time (p. m.) 2:00 2:03 2:10 2:15 2:20 2:25 2:30 2:35 2:40 Miles from A

0-3 0-6 10 1-7. 2.6 3-8 5.2 7.2

Find graphically when and where he met another man who set out from Bat 2:10 p.m. and travelled at a steady speed of 25 miles per hour to A.

23 24 2

Page 15Page 16

四張四绑

日七初月四年午丙歷

MALAWI KILE YAT PO

教

育

華僑

英中會考物理科 答案 软永熾

SECTION C

E. 3. C. E.

6. (1)

▲ vibrating tuning fork forces the table to produce vibration when pressed against it. A very clear sound will → be heard, but this would fade away very soon. For an isolated vibrating tuning fork alone the vibration is longer as its M energy is not transmitted to any other solid.

(b)

(1)

The frequency of vibration of a stretched wire is! inversely proportional to its length,,

(i) fx IT.

and is directly proportional to the square root of its

(0) To show fα #1

(a)

& eet of tuning forks together with a sonometer is required, e tension of the wire is adjusted so that the length of the wire is long enough to unison with the lowest fork. Having - tuned the wire to unison, the tension is kept constant and the wire tuned to each of the other forks in turn by altering. the length only Corresponding values of frequency and length are entered into a table and graph of straight line is obtained;

Distance apart between # and 3.

a gun is fired at

#

and a.

Tise interval between flash and wound

heard by a

Time interval between flash and cound

heard by

1000.

I

- 3.04 see.

• 2.96 300,

Wedseley of Bound in air

1015 $3.04

1100 2.96)

333.4

metres/

Velocity of wind în direction be

1000

- 393.4 2.9

337.5 - 333,4

ctres

per sec.