1971-12-02 — Page 27

ket SkancE LIBRARY

育教僑華 頁三第張七第日五十月十年亥辛膰夏 WAH KIU YAT PO

育数僑華

1972英文中學會考試題預習專欄

tudy

nderst

COROLIA

堅道英文書院主編

生物科

(五)

BIOLOGY (5)

lowing definitions carefully and try their meanings.

The whorl of floral parts composed of petals just inside the calyx of a complete flower.

(1) The portion of a sten or root between the

epidermis and the vascular bundles, (2) The outer portion of the kidney; of the

brain; and of the adrenal gland.

COTYLEDON. Storage leaf of an embryo of a plant within

the seed

RANIAL NERVS. Nerves arising from the brain such as

the optic and andi tory nerves

CROSS-FERTILIZATION

Union of gametes such as the sperm and the egg from different indivi- uals of the same kind. (Compare self-fertilization)

YTOPLASM. The cell material lying between the nucleus

and the outer plasma membrane or the protop.

asm of a cell exclusive of the mucleus.

CASCUN. (PL CARCA) A blind pocket-like pouch, feig.

Caecum between the small and largi intestines of the mammalian gut)

CARDIAC Refers to the heart, leg. pericardial-membrane

around the heart; cardiac region or sphincter of stomach near the heart; cardiac or heart muscle.

CAROTENE. A yellow or orange pigment found in the

chlorophastsin many plants; animals can con vert carotene into vitamin A through the liver

BILATERAL SYMMETRY, Symmetry with reference to a single

fixed plane. In bilaterally symmet Tical body, e.g. Human being, only one plane can be found that will divide it into two sysmetrical halves

BILE The greenishyellow secretion of the liver stored

în gallbaladda & passed out through the bile duct to the duodenum, used to break fats into tiny droplets (emulsification)

BIOLOGY. The scientific study of living things.

(animals and plants)

BLOOD. A Fluid tissue consisting of blood cells, or

corpuscles, and a liquid material called plasma, (negarded as a form of connective tissue) BRAIN. The enlarged anterior end of the C.N.S. consist

ing mainly of cerebrum & medulla oblangata.

BUDDING. The asexual production of a new individual py

the splitting off of a relatively small out- growth of the parent organism,

BUD, (1) A young individual produced by budding, before

it is completely detached from the Parent." (2) The end of a stem or branch (terminal bud).

structure at axil of leaf (axillary, bud) enclosed by young leaves, this may develo into a leafy stan (leaf bud) or into a flower (flower bud'

BULB Organ of vegetative reproduction; modified shoot

consisting of a very much shortened stem enclosed by fleshy, scale-like leaves as found in Tulip and Onion.

CARPAL. A wrist bone.

CARTILAGE

An elastic animal tissue, usually precedes in the formation of the skeleton of all vertebrates. (There are cartilaginous fish whose akeleton is made up of cartilage; and also it forms the support of the nose and

the external ear of human being The inter- vertebral discsipiglottis, larynx, rings of trachea are built up of cartilage too. Pertaining to the tail. (e.g. caudal fin of the fiph; oaudal vertebrae in the vertebral column CERVICAL. Pertaining to the neck, e.g. cervical verte-

brae.

CAUDA

CHORION One of the embryonic membranes of higher vertebrates. (compare amnion).

CHOROID. The middle, pigmented layer of the eye of

vertebrates, to prevent the reflec

light entering the eye.

CIRCUM Prefix meaning around e.g. ciroumpharyngeal

means around the pharynx.

LAVICLE. The collar bone.

COCCYX. The fused caudal vertebrae in man

日橋cTY HALL

COCHIEA. The coilea structure or the inner ear contain-

ing the sensory endings of the auditory nerve, and is responsible for hearing in higher vert- ebrates including mammals.

COENOCYTIC Pertaining to a condition in plants where

are many nuclei in a continuous cytoplasm. e.g. hyphae of mycelium in fungi

ECOLOGY, Study of the adaptations of organisms to

environments.

ECTODERM The outer gera layer of animal bodies. (Com-

pare mesoderm and endoderm).

EFFECTOR. A structure specialized for the production of

sopet particular kind of response, e.g. muscles. for movement and glands for secretion.

EFFERENT FIBRE. A nerve fibre carrying impulses from the

C.N.S. to an effector.

EGESTION DEFATCATION. The elimination of solid unaig-

ested food or faces from the digestive canal (gut). (Compare excretion which is different. from egestion:)

CALYX. The outermost floral whorl of parts in a com

flower, consists of sepals.

CAMBIUM. A layer of cells in the atem of higher plants that divides and grows to add to the tickness of the stem (a layer of embrovonic tissue. between the xylem and the phloem ir dicotyled oneus plants.

CAPILLARIES, Very small, thin-walled blood vessels,

penetrating the intercellular spaces of all

organs, through whose walls exchanges os substances occur between the blood and the Lissue cells. (a tiny blood vessel that connects an artery with a vein),

CARBOHYDRATES, Compounds of carbon, hydrogen, and oxyger

in the proportions of about 10 2410 including sugars starch, glycogen, cell ulose, etc.

(always H ; D = 211)

eg. Glucosa

6126

Sucros e 1222 11

RPEL. Female reproductive organ of flowering plants,

consisting of ovary containing ovules which become seeds after fertilization, and stigma a raceptive surface for pollen grains, often borne at the apex of a stalk called style.

ATYLYST. Any substance which modifies the rate of a

chemical change without being itself used up in the process. Enzymes are organic cataly- sta responsible for many chemical reactions inside the living body

CELL. A structural unit of protoplasm, consisting

usually of nucleus and cytoplasm,

QUESTION

Supply words or expressions required to complete each of the following statements (Answers giv

The fertilized egg or gamete is called Non-green plants can be separated ories, or groups they are th

the 2.

the

main catag- and

3. The building-up process of metabolism is termed

and the breaking-down process is

torted 2.

Animale

flesh or other animals are called

While those dating plants or vegetables are called

Structurally the body of vertebrate (including mammal) can be divided into 9 systems, they are

Sometimes

form the

Petali

and

of a flower fused together

-tube

such as found

(examples); an

the filaments of the stamens joined to form the

Tübe

as in

and

(examples.)

7. Regular flowers are radially symmetrical and are gala

to ba

and irregular flowers are

usually bilaterally symmetrical and are said to be

2.

(Zygomorphic, actinomorphic,

B. The seed is developed from the 1.

while the fruit is developed from the of the carpet of a flower..

9. The fundamental structure of which animal and plant

(未完轉入第五張第三頁)

四期星日二月二十年一七九一展公年十六國民蒂中

1972

·中文中學會考試題預習專欄。

(五) 張正邦 數學科

第一次預習題解答

A X=2

y=1.

解下列各方程式,

ax+by=a+2a+b2

213 (4(5x-1)-81-20)-7; 7. {0x+

(bx-tay-a2+2b+b2

*________/ 4 (3x-1)=8]-20] 17(axtby=a+za+b2-

7314(X-1)-8]-20

16x÷ay=a2+26+6-

3[4 (6X-1)-8]-20-4 (a-b)x−(a−b)Y=2(Q—b)

314(X-D-a 24

451-1-8-

51-1-2-2

资料+

2

以QQ+D乘两端

代入口

x-y=

x=1+2

a(y+2)+6y=a2+29+b2

ay=20+by=a2+za+b2

ay+by= a2+b

(a+b)y=a2+62

1§ a(+1)+x(a+1=244» ^^©

Ax+a+Qx+x=2α(a+1)

ZaX+X+Q= za+za

X(29+1)=202+Q

X (2041) = Q(2641).

- 3 M + N-) x = m 1-2x

Pf. (m3)X-M-22

x(M+2+3)=3-2

(( M | 2mm + n ) =

X (m+?)

clat

Zma

mn

y=

a2+62 a+b

a2+b2

+2

a2+b2+2a+21

x= a = b2+29+26

a+b2

=1+X

-=14X

0-0

4 (2X-1)(X-D(4X< 1))

3x+2)= 0

a frz-2-x-y

X(b-a)-y(b-a)=x-y (-4)(b-a) =x-Y

6-9(L-Q-1X-Y) = 0

}}. (21-1)(3x-1)(4%DEL KAO

+2)=0

· 2x-1=0; x=

X-y=0.

X=Y-O

XOy+ 봄=1+y

Y(a+b=1)=1

3x-1=0; x=3

471=0; 85X+2=0

5.((a+b)x-c]=((a+b)x

BJF ((a+b)x−c] = {(a-b2x+9 ((a+b)X-c]={(a−b)x+c]=0 {(a+b)X~C+(Q-bXxX+c] ((a+b)x-c-(a-b>x-c]=o

*((a+b)x-c+(a-b)x+c]

(a+b)x+(a−b)X =

zax

X

B[(a+b)X~c~(a−b)x−C]-o

(a+b)I-(a−b)£=2c

20

x==

6 | 2(2X+34)=3(2X-34)4-10

ab a+b-ab

%Y? 1[#x©

ab

a+b-ab

X=y= ab

a+b-ab

第五次預習題

試證下列式

Cos 420° Sun 390 +63(-240)

·Si (-330°)=

tanx + tan (X).

-tan (T-X)=tan x

____ 14X-34=4(64-2x)+3 3. a tan (90°-x)b. Sim(90°

A/2(2x+34)=3(2x-34)+10-0

14x-34=4(64-2X) +3-e§. 由1得:

2x-15=-10

白2得

4X-99=1

x2--217--21

1+λ© 2x-15=-10

X=2

-X)c sec(X-90°)

abc cotx coxCsX

4. Sin 240 tan 330 + Asti)

*lan (−210°) =|

5. Sec (360°-A)+(x(270+A)

csc (90°+A)=sec(1®-A) Sin 180° Sin 120°+ 60128° x 5m 390° ==

C&C (180 ~A) Sec (90 †A) -SECACACA

Cot (90-A)