1979-03-29 — Page 32

莫四第張八第日二初三年未己愿夏

1979

中學會考試題預習專欄

生

物

(廿五)

明德出版社梁永華提供資料

BIOLOGY (24)

Unit 13: Model Test (MC)

The following six questions

refer to the diagram below

cotton

soaked

alcoh

algohol

A blood slide is to be prepared and 'stained with Wright's stain:: The steps in making such slide are shown in the above diagram,

15, The correct sequence of ..

16

steps in making ie slide is A. 4~6-1-5-2-3:0

B. 4-6-1-5-3-2

C. 4-6-1-3-5-2

D. 4-1-6-3-5-2

E. 4-1-6-3-2-5

The purpose of step number

is

to concentrate the red blood cells at one end. B. to clear the slide of

dust.

C. to' spread the blood

evenly. over the slide". D.to keep the blood from

drying out,

E.to keep the blood from

clotting.

17. Ordinarily, the numberr of

·drops placed on the slide A. varies with the weight.

of the person,

B. varies with the age of

the person..

C, depends on the person's

health:

D.is one.

E. is two.

The purpose of step 4.is A. to shrink the blood

cells.

to bring more blood to. the surface of the skin.

C. to prevent blood.

clotting.

D. to keep the blood cells

WAH KIU YAT PO

Thorn plasmolyzing. E, to sterilize the skin. as. The must humerous

component of the blood is seed to be

white blood cells.. B. red 'blood cells. C'blood platelets. D. plasm proteins. E. phagocytes.

20. The purpose of step number.

6 is

A. to keep the needle from

rusting:

to mix the alcohol with

the blood cells,

to make it easier to draw blood.

to sterilize the needle.

E to comply with the laws

dealing with the use of alcohol by minors. Examination of soils in a maple forest has shown that: the land was once occupied by a lake, The lake was first. choked up with water plants, and swamp. vegetation appeared later. Then herbaceous plants and shrubs emerged. Finally maple became the

dorminant form. The above process is best: known as

A: ecological succession B. natural selection.

C. artificial selection.

D. survival of the fittest. E. variation of species.

22. Two animals belong to the same species if they

A can live together in the

same environment.

can mate and produce off-spring

have similar structural characteristics...

D. feed on similar food. E come from a common

ancestor,

Which of the follow ing best describes the P

characteristics of sandy

soil.

A. It retains little water B. It is porous with large.

air spaces

It is fertile but poor in drainage.

..

D. Capillary force is well

developed.

E. Particles are large and

ceasily seperated.

The following are results obtained from an experiment,

(1) Weight of evaporating

dish =

50 grams.

報日僑華 四期星

(2) Weight of evaporating:

dismand dry garden soil

250 grams.

(3) Weight of evaporating dish and soil (soil was

to red hot for 30

200 grams.

What was the percentage of hamus content in the soil?

A.20%

B.25% 40%

D. 50%

E.75%

25. The relationship described in a food chain may also be expressed as a food pyramid, . The major difference is. that in they food pyramid, as depicted in the following diagram. there is an indication of both the relative numbers of individuals and the

amounts of energy involved at each level.

26.

日九廿月三年九七九一曆公年八十六國民華中 版邨新灣荃育教

Composition Soil A

Il

II

IV

Soil B

(4)

(5)(6)

(1)(2) (3)

Coarse:

B

e.

: medium '& fine sand

28%

52%

(4)

(3) (4)(6)|(5)

(2)

(6)

(3)

(1)(2)

D. (4) (5)

(4)

(3)

(1)(2) (3)(6) (5) :(1)(2)

Sint

30%

16%

29

Clay

38%

23%

Humus

Refer to the above date, which description about the samples

is less likely?:

A. Soil Aris less fertile. B. Soil A contains less: microorganisms.

C. Soil B has a greater amount

of soil ai

D. Soil Bis more alkaline E. Soil B is easily eroded

by wind.

27; The following graph, shows

the changes of the population size of rabbits, tigers and hawks in a. plain.

Hawk

No. of animals

Green plants

This relationship may best summarized as follows. A. When the top of the

pyramid is reached, the number of individuals decreases but the amount of energy

increases,

When the top of the pyramid is reached, the number of individuals increases, and the amount of energy remains the same as at the, other level:

d. At the bottom level of

the pyramid, both the

number of individuals

and the amount of energy involved are greatest.....

At the bottom level of the.pyramid, both the rumber of individuals: and the amount of energy involved are lowest. "At all the levels, the namber of individuals and the amount of energy are the same.

An analysis of two soil samples A and B gave

the following results.

rabbits

ti

51:52

55 56 Year

30.

The most possible: explanation for the change. of the population size of the rabbit is that

A. the tiger preys on the

rabbits.

B. the hawks prey on the

rabbits.

C. the tigers prey on the

hawks.

D. the hawks prey on the

tigers..

E: the rabbits feed on the

grasses.

The following diagram represents an ecological Jsystem.

I, II, II and IV are the components, df this system. (1) CO2 and H2O

(2) inorganic substances (3)animais

(4)green plant s

No microorganisms:.

(6) fungi

Which of the following.

combinations is correct?

32.

nsect

Which of the following

statements about the above food web is not correct?

Plant is a producer:

B. Bird isa primary.

consumer.n

Worm and Insect are primary consumers.

More enrgy is. transferred to snake through route 1 than route 2 if the amount of plant materials is the same. E. A decrease in.

population size of snake causes an increase in. the population size of the insecti

The infection of tapew orm can be controlled by (1) discarding the measly

pork.

(2) through cooking of the

pork

(3) proper disposal of

human faeces.

(1) only.

B. (2) and (3) only:

(3) only.

D. (1) and (2) only. E. All..

The place most suitable for the growth of Mucor must be

A warm::dry and airy.

B. cold, moist and dark.

C.

wany moist and airy.

D. .

warm; dry and dark, E. cold, moist and light. Which of the following:

statements is. parasites?

hot true for

A. They may be plants or

animals.

B. They are always attach

to the hosts.

C. They are harmful to the

chosts.

D. Their respiration is an

anaerobicone.

E. They cannot build up complex food from simple inorganic compounds.

容市

多搉擋積堆蔭石籬石 後查調地實局當 點黑除理清行進

善改排安處鐄市涌葵會詢諮灣荃云涌 化美花種款撥園公憩休

灣

蔡

建

興

新却版

. 在臨無日浩檔案

有關區內發造新生的投番3.

而在葵涌東區及北區分區委

員會會議上,各委員亦經

常提出有關改善區內境衛

年四月十一只的第一次會

荃灣匦詢委員會屬下的

躪察區內急待灣理及改善的

區路口嫁經常爲殿物體放 木瀧交界的宮地,对安 摸,于穆及大白田街與

**其中包括大白田衔安迎大 後面山坡,石蔭道瑞受大

.薛及石國區的悄形尤ㄛ注視

-

影响市容至衛生。

理垃圾點工作,在石訴這麼和宜合道多處官地割除雜草,加團號,

· 盐禨諮囿委员會及葵袖市碌事務管理與氣計經安排其有湖部門進行 麻木屋及附近爲民常因事不與己而漫不經心地將垃圾堆積,使惑低情况更

·站之外,甚至不造剪破籤鬥,製造荒的「私家垃圾推機站」。加上附近贼

樓對開的空地,在設有一垃圾收集站,但市民似乎習璽將垃圾堆袜在收集

將一間若蟲滋生,發出的「假日酒店」。至於在巴士總站及寶石酒 m木屋,徐有彩觀外,實 【幼稚園對開空地上搭有一小

劉爲荃濔五楂 金石酒类的她大患据。

一級市經。担信在政府及民政合作保持環境清潔的大龍區比較台 側的癸樂木雅...—「假日酒店」清拆與遠休融公園。艾薇在多處地方說,並不過份,問題只是沿。一 一座三会上花瓣,由市政事務處姿植花卉,悉心培润,以期進一步美化及感,沸水準能否與私家大度,但各別的越民都跑了,甚至枪出现到游 珊酸物垃圾。並定于六月間進行清除大盈街垃圾黑感,復將深信會幼稚園,由此表示「打賞貼士」事,而「照例」 耪下了定艾及另一回事。他說 此外,一些邨民對」

(B)

目節有堂會陰石

「清潔員工不得索取賞錢 雖多習慣要顧法例 各邨居民觀點不同

亦有認爲只是過節利是無傷大雅

新心的清髹工人表示「

第九條的規定。因爲1 了「防止赂賄例] 樂取賞錢,就抵 ,如果緻些清潔工人向

一居民索取國收受賞」 深公司我合一幅不能向 汫合約上清楚列明[

一指出說:第麗名已

。按照依政公署的解釋

四設

清個

老晨®

健人

班體

民都議論紛紛,引俗話 是蓮與後!許多居太太經學。 「工人「打食貼士」間題 謀生的男戶主的造形 不過,不闵尾部的」「同居」,情形並不能之類以出餐補助生 ,經飛被公署公開者出 不大,經由同「無傷大雅」,也有不高,甚至要從垃圾,老人體班 全部危參加。報名表格可向下 ∴關於公共屋燕病一家珍,只有一些經常外「』才會逐戶敲門索取。一的利益就是違法,但他處荃灣分處轉分別與以上各班均免費接

廉署指出如有索取可舉報 黃黃黃榮獲德主許可區,人的總比基業生到,在泰德維比爾迦威股務

錢的說難。玉她垫 德龍的『參節』以及一宗取「停賞」與否景賞」「情緒」。 工人強有向偿卢惠取賞 五的「中秋節」,總獎」,另有点感娠期謝謝 特定幾廣濟蘭工作的。葵勇任視為老人花黃龍樓;(丁)石書吧 「溫:公共盈到內的辦線的一幽區節,九貸十一然更好。,假若失去靈渐收入。三座開的公園舉行。(因世衣易長林

擴大多所邨居民透」」,就是盘底五月初五一取,居民不必給予,當,列為收入預算之一部份漸分,在梨木樹邨第十);(乙)葵涌廊花六座 戲影似乎不盡相同。激得出的幾個叫天時節,將謝富人從此不敢索 上你的「涵郓利是」上七時卅分至八時:(甲)茲灣衆安街1 時,居民們對這問題的「高索,而只是每年可以政公署明指出連刨 中的簿業工人可能已 五(公姝假期除外)荃灣國民府各詢處

【這些問題說來有如數 新年前夕的一年

堂 六一晚上七時卅分入所知,現時一般私家大。這些新郁主婦說:瓊際十五分在石梨邨第一、一人中心(北葵涌和宜合 至十時假該會堂總堂射| 股的住戶常每月都要已不必葆棣「索取」,三座廁的公園行。(磁山二戰(四)飛機 蔭 年,學生及其家庭成員穿過節給予一封一利是」解許多新怪一座大厦牌耶格最老人炸戲班: (二)梨木裕明愛中心 對流行音樂欣賞之典越」亦甚「樂惡」。一位 有五、六百戶,一家一定於上述日期,由上 〔梨木樹藤第二座》。 流動區會富,國揚話在聯育、乾乾凈季,每家每戶過元而已。不道她們你給我搵暴行。(三)石梨(风)湖景邨日景楼。

晚欣音流

賞

有欣賞 行流行音樂欣賞晚會。

是項活勛全部由愛

「鍪榨音阿有限公司微助

·將採取格逐形式進行,

......F及音樂欣賞之發友,請勿錯過

一是線參加著告獲贈紀念品及飲品。.

·歲以上好年參加,費用骛免,爱好流行音樂 「影音樂欣賞晚會爽額三百人,歡迎十 ;獎品由愛鹳音响公司迭出多份名實品。

· 音樂脆愔所接的每一首歌曲,此外還有抽獎 一效果。同時含摄高懸案及參加者之興趣,愛一 材公司資助刊印精美歌詞,詳列該 【响器材 音响公司提供,以最作意啊 聽到很多要美國快的流行樂曲。全部A被資 身墜器音枭會是一個良好開端,因爲你們可 锛做適鬙晚會。縱使你不大商綝,還假 。若果你是一個流行音╋還好者,千萬不要 ,另有專人介紹各種音响器材及流行音樂唱片

[

[ — —二七九七一四查詢。「鄉 *溫難得會。出即日起可巡往石西武區會堂

(石蔭邨大白田街)索取入樂券或做一二

石蔭邨民反感

必付證泰安十多元小貴只要「前一般性,四秀城成熱堇华—濔市區服務中心(荃灣

則是完全免費,大家就知道是什麼一圈———定於上米5期,由上大河道)。(岩)

小巴隨意加價

從石蔭甗逍收費是一元!

收貴五毫得不償失 違例抄牌多 座位被開刀

一但也有部 中 | 小市胜一。

只好「啞忍」故其「魚腩」任: 當年初時,石蔭道一家集强)