HKCEE BIOLOGY | 8.1 Genes and inheritance |
Which of the following body characteristics can be inherited?
(1) skin colour (2) blood groups
(3) night blindness
A. (1) and (2) only
B. (1) and (3) only
C. (2) and (3) only
(1), (2) and (3
HKCEE BIOLOGY | 7.3 Sexual reproduction in flowering plants
Questions 1 to 3 refer to the diagram below which shows the section of a flower:
Structures 1 and 5 are
HKCEE BIOLOGY | 7.5 Growth and development
The conditions necessary for germination for all kinds of seeds are
(4) a suitable temperature
A. (1) and (2) only
(1),(3) and (4) only
(2),(3) and (4) onl
HKCEE BIOLOGY | 7.1 Types of division
The following diagrams show four different stages during a cell division:
The correct sequence of the stages is
HKCEE BIOLOGY | 7.2 Asexual reproduction |
Which of the following statements about binary fission in amoeba is INCORRECT?
A. Two daughter amoebae are formed in each fission
B. Two daughter amoebae are identical in their genetic contents
HKCEE BIOLOGY | 6.2 Regulation of body temperature |
Which of the following structure of the mammalian skin is NOT involved in temperature regulation?
A. oil glands
B. nerve endings
C. erector muscles
D. blood capillaries
HKCEE BIOLOGY | 5.5 Growth responses of plants
Which of the following treatments shown below results in the oat coleoptiles bending towards the LEFT side?
Questions 2 and 3 refer to the diagram below which shows the exper
HKCEE BIOLOGY | 6.4 Defence against diseases
Penicillin is less effective in curing infections diseases today than it was thirty years ago. It is because
A. we are now living in a more polluted environment.
B. penicillin is now produce
HKCEE BIOLOGY | 4.2 Water relation and transport in plants
Questions 1 and 2 refer to the diagram below which shows the pathway of water movement through different
regions of a plant. The arrows in the diagram indicates the direction o
HKCEE BIOLOGY | 8.2 The pattern of inheritance |
In man, normal body pigmentation is determined by gene A whose recessive allele a brings about albinism
(lacking of body pigments).
Question 1 and 2 refer to the pedigree shown below:
HKCEE BIOLOGY | 7.4 Sexual reproduction in humans |
Which of the following is/are true for sexual reproduction?
(1) It always involves two different parents
(2) The resulting offspring are genetically different
(3) The resulting offsprin
HKCEE BIOLOGY | 8.4 Genetic engineering |
Which of the followings NOT an advantage of growing genetically modified crop plants in agriculture?
A. The crop plants are more resistant to pests
B. Overcrowding of the crop plants can be preve
Q.1 ( Thinking question, thus no answer is provided. )
The water flea (Daphnia sp.) normally produces eggs asexually. Under certain
conditions, Daphnia will switch to sexual reproduction, producing resting eggs that
can survive dormant for many years.
ADVANCED SUBSIDIARY (AS)
General Certificate of Education
Organisms and Biodiversity
Assessment Unit AS 2
TUESDAY 18 JANUARY, AFTERNOON
1 hour 30 minutes.
HKDSE Bio logy (Notes)
Chapter 1 Studying Biology
STUDY OF BIOLOGY
Biology is the study of living things or organisms.
A. Branches of Biology
1. Molecular Biology: study of Biology at molecular level
2. Cytology: study of cells
HKCEE BIOLOGY | 9.2 Extension (Out of syllabus) Food preservation |
Which of the following food preservation methods is least effective in killing microorganism?
A. immersing fruit into syrup
B. keeping meat in a refrigerator
HKCEE BIOLOGY | 9.1 Extension (Out of syllabus) Blood group and donation |
Two samples of human blood were mixed. Observation under the microscope showed no clumping of blood
cells. Which of the following is the best conclusion?
A. The s
HKCEE BIOLOGY | 8.3 Variations |
The following histogram shows the distribution o heights of two random sample of males from two human
population A and B:
Which of the following statement(s) is/are correct?
(1) The most common height in
HKCEE BIOLOGY | 5.4 Locomotion in humans
The diagram below shows a small part of a vein and its neighbouring skeletal muscles is longitudinal section:
Which of the following correctly matches the state of the muscles with the correspon
HKCEE BIOLOGY | 8.5 Evolution |
Fossil records are valuable in the study of evolution because they provide information about
A. the population
B. the cause of mutation in organisms
C. the time of existence of organisms
the life span o
HKCEE BIOLOGY | 6.3 Regulation of glucose level in blood |
A healthy person drank 100 cm of 80% glucose solution at time t. Which of the following graphs shows the
probable changes in his blood glucose concentration?
HKCEE BIOLOGY | 4.6 Transport in humans |
Human red blood cells and onion epidermal cells are similar in that they both
A. possess cell walls
B. possess central vacuoles
C. have no nuclei
have no chloroplasts
Which of the
HKCEE BIOLOGY | 1.3 Cell activities
Enzymes can not work properly at high temperatures because
A. they are catalysis
B. they are proteins
C. they work on specific substances
D. they work best at 37C
Which of the following
HKCEE BIOLOGY | 2.3 Human impacts on the environment
Which of the following changes in the environment would promote the decomposition of leaf litter in tropical
HKCEE BIOLOGY | 2.4 Environmental protection |
Which of the following statements about air pollution is incorrect?
A. A rise in atmospheric temperature may lead to the greenhouse effect.
B. Smoke from factories may cause blackening of th
HKCEE BIOLOGY | 1.1 Discovery of cells
When the word 'box' is viewed under the microscope, which of the following can be seen?
Which of the following is a correct step for using the microscope?
HKCEE BIOLOGY | 1.2 The basic structure of a cell |
Which of the following cells possess chloroplasts?
(1) a guard cell
(2) a leaf mesophyll cell
(3) an onion epidermal cell
(1) and (2) only
(1) and (3) only
(2) and (3) only
The endocrine system is a complex collection of
hormone-producing glands that control basic body
functions such as metabolism, growth and sexual
development. The endocrine glands consist of:
pituitary; pineal; thyroid and parathyroids;