bio past paper

CONTENTS
HKCEE
Biology
Long Questions

SECTION 1 THE CELL
1

The cell and its activities

P1-11

SECTION 2 ORGANISMS AND THEIR ENVIRONMENT
2.1 Diversity of organisms

P12-16

2.2 Ecosystem

P17-23

2.3 Human impacts on the environment

P24-33

SECTION 3 ENERGETICS
3.1 Photosynthesis

P34-40

3.2 Respiration

P41-46

SECTION 4 OBTAINING ESSENTIALS FOR LIFE
4.1 Nutrition and gas exchange in plants

P47-51

4.2 Water relation and transport in plants

P52-64

4.3 Food and humans

P65-71

4.4 Nutrition in humans

P72-79

4.5 Gas exchange in humans

P80-86

4.6 Transport in humans

P87-99

SECTION 5 COORDINATION AND RESPONSE
5.1 Detecting environmental conditions

P100-104

5.2 Nervous coordination in humans

P105-110

5.3 Locomotion in humans

P111-113

5.4 Growth responses of plants

P114-116

SECTION 6 REGULATION AND DEFENCE
6.1 Osmoregulation and excretion

P117-122

6.2 Regulation of body temperature

P123-125

6.3 Regulation of glucose level in blood

P126-130

6.4 Defence against diseases

P131-133

SECTION 7 REPRODUCTION AND GROWTH
7.1 Types of cell division

P134

7.2 Sexual reproduction in flowering plants

P135-140

7.3 Sexual reproduction in humans

P141-150

7.4 Growth and development

P151-154

SECTION 8 GENETICS AND EVOLUTION
8.1 Genes and inheritance

P155-156

8.2 The pattern of inheritance

P157-166

8.3 Variations

P167-169

8.4 Genetic engineering

P170

HKCEE BIOLOGY | 1 The cell and its activities

|

P.1

1. 1990/I/1a
The diagram below shows four types of cells :

(i)
(ii)

Which of the above are plant cells ? State TWO plant cell features that are common to the cells you have listed.
(3 marks)
For each of the cells A and B

(iii)

(1) suggest ONE function, and
(2) state ONE structural feature, as shown in the diagram, which is essential for this function.
(4 marks)
Describe the changes in cells C and