莫四第張五第日一初月四年丑癸曆夏
WAH KID YAT FO
報日僑華
1973英文中學會考試題預習專欄 6
生物科(廿八)
parathormone
secretin
E. adrenalin
After the fusion of the sperm nucleus and the egg nucleus,
a minute embryo is formed and
develops by the procese called.
P. cleavage
Q. fertilization®
R. reproduction
S. metamorphosis.
carbon.
四期星
B三月五年三七九一番公年二十六國民華中育教僎華
The placenta is an important structure in the development of an embryo
A. amphibians
5. birds
C. reptiles
D. fishes.
E. mammals:
The fluid which bathes and protects the developing cmuryo of a mammal is A.émbryonic fluid B. chorionic fluid C.amniotic fluid
D. synovial fluid.
E. lymph fluid
The number of uteri in rabbit is
B. 2
homologous chromosomes 18 known as
2. meiotic division
Q. synapsis
R. reduction-division S. tetrad
T. mitotic division
Of the following cells, which one is to have the haploid riumber of: chromosomes?.
P. muscle cell
Q. Nerve cell
R. ovum. --
S.somatic cell:
T. connective cell
A man who is normal for colour vision marries a normal hetero
The chances -zygous woman.
cof their sons having colour.
blindness is
A.. zero
Section AN
Biology (28)
Multiple Choice Revision Exercise.
1. Cretinism results from
deficiency of
adrenalin
B. thyroxin:
C. insulin
D.secretin:
E. parathormone
Undersecration by the: Islets of Langerhans usually results in an increased
concentration of blood sugar oxidation of glucose
C. energy output of the organisen D. rate of growth
E: storage of fat tissue
Hormone glands secrete thei secretions directly into
A, ducts. Leading out of the
body
B. the blood stream for
C. the digestive juice D. receiving organs
spectal organs.
4. Homeostasia is shown in the
human by the relation between the concentration of insulin and the amount of.
A. glucose in the urina
B. amino acid absorbed by the
villi of the small intestine C. fat converted into fatty.
acids :and. glycerols.
D. oxygen:transported by the
haemoglobin of R.B.C.
E.: carbon dioxide transported
by the blood stream.
5. which one of the following.
stimulates the production of pancreatic juice?
A insulin.
B. thyroxin
ROBERT
T. differentiation.
A mammalian embryo takes in oxygen and gets rid of. dioxide
P. by means of its lungs
Q. by means of its skin
R. by means of the placenta
by means of the amnion"
by means of the amniotic fluid
8. Fertilization of an egg in
mammal normally takes place in. the-
covary
placenta.
uterus:
5. urethra
T. oviduct
Which always occurs.in:the reproduction of animals that live entirely on land?:
P. parthenogenesis.
Q. Internal fertilization External fertilization S. Metamorphosis
production of eggs with protective.ahells
In most instances, as.one sperm.enters the egg,more sperms are prevented from entering by the
P. cell mombrane
S amniotic & me
Q. cytoplasmic.
R.
fertilization:
: embryonic membrane
Which wi Ll a developing::
mammalian embryo normally not receive from the mother?
A. oxygen B.glucose: C. antibodies
red corpuscles
amino-acids
C. 3
E. 5.
The duct carries eggs away.
from the ovary is known as
A. oviduct
B: eperm duct
C. ureter:
2. urethra
E. vasa efferentia
Nuclear division in an animal is known as
sporulation Q. mitosis R. egg cleavage
s. differentiation.
T. binary fission::
Chromatin is to chromosomes Cas DNA is to
mitosis:
Q.genes.
R. daughter cells
proteins.
germ cells:
The diploid number of .chromosomes is restored as
the result of
fertilization.
Q. differentiation
̇reduction-division
S. mutation.
T. spermatogenesis
e The: process of pairing of
LADY CAROLINE LAMB
B. 100%
C. 50. 50
D. 25 50
E:25.75
A cross between two black: ̇guinea pige produces some. black offspring and some white offspring. The gene make up of the two parents ie most likely
A, homozygous black
B. heverozygous, black C. heterozygous white.. D. homozygous white: E. recessive white
Section B:
(a) What is reproduction and. why is it necessary? Briefly. describe the asexual and
sexual reproductions. Illust- rate your answer by giving one "example of each type of these
reproductions in animals.
(b) By reference to a mammal, explain (i) the origin of an "embryo, and (ii) how does the
embryo feed and excrete during its.development.
Give a. brief account of the position and function of each of the following endocrine. glands:-
Thyroid gland
(b) The Islets of Langerhans
Ad renal gland:
京運海
羅莊莎
米
路
察拉
李察張伯倫
BOLT'S
愛艷關彩七藝特 訂提敬d 海名
映献大盛場五天今囍醫醫
巨
潮播 的的 大名
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口
®
福健忠脉奴搭舞胸車言
粮此明齢女跟伊裸染畫與博
IMPERIAL:
PICTURE
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籃剛 龍
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