205 O Level Biology Paper 1 MCQ’s Topical Worked Solutions

Description

205 O Level Biology Paper 1 Topical MCQ’s

• All variants
• Classified to Sub Topics
• Mark schemes
• References of repeated questions added
• Questions order new to old
• Worked Solutions

TABLE OF CONTENTS

UNIT 1 CELLS
1.1 Plant and animal cells
1.2 Specialized cells, tissues and organs
1.3 Multiple Topics
Answers Section

UNIT 2 CLASSIFICATION
2.1 Characteristics Of Living Organisms
2.2 Concept And Use OF A Classification System
2.3 Features Of Organisms
2.4 Dichotomous Keys
Answers Section 

UNIT 3 MOVEMENT INTO AND OUT OF CELLS
3.1 Diffusion And Osmosis
3.2 Active Transport
3.3 Multiple Topics
Answers Section

UNIT 4 BIOLOGICAL MOLECULES
Answers Section

UNIT 5
5.1 Enzymes Action
5.2 Effects of temperature and pH
Answers Section

UNIT 6  PLANT NUTRITION
6.1 Photosynthesis
6.2 Leaf Structure
6.3 Mineral Nutrition
Answers Section

UNIT 7 TRANSPORT IN FLOWERING PLANTS
7.1 Water And Ion Uptake
7.2 Transpiration And Translocation
7.3 Multiple Topics
Answers Section

UNIT 8 HUMAN NUTRITION
8.1 Nutrients
8.2 Diet
8.3 World Food Canal
8.4 Human Alimentary Canal
8.5 Chemical Digestion
8.6 Absorption And Assimilation
8.7 Multiple Topics
Answers Section

UNIT 9 GAS EXCHANGE IN HUMANS
Answers Section

UNIT 10 RESPIRATION
10.1 Respiration
10.2 Aerobic Respiration
10.3 Anaerobic Respiration
10.4 Multiple Topics
Answers Section

UNIT 11 TRANSPORT IN HUMANS
11.1 Circulatory System
11.2 Multiple Topics
Answers Section

UNIT 12 DISEASES AND IMMUNITY
Answers Section

UNIT 13 EXCRETION IN HUMANS
Answers Section

UNIT 14 COORDINATION AND CONTROL
14.1 Receptors
14.2 Reflex Action
14.3 Hormones
14.4 Homeostasis
14.5 Multiple Topics
Answers Section

UNIT 15 COORDINATION AND RESPONSE IN PLANTS
Answers Section

UNIT 16 DEVELOPMENT OF ORGANISMS AND CONTINUITY OF LIFE
16.1 Nuclear Division / Asexual And Sexual Reproduction
16.2 Sexual reproduction in plants
16.3 Sexual reproduction in humans
16.4 Multiple Topics
Answers Section

UNIT 17 INHERITANCE
17.1 Variation
17.2 Chromosomes And DNA
17.3 Monohybrid Inheritance
17.4 Selection
17.5 Multiple Topics
Answers Section

UNIT 18 BIOTECHNOLOGY AND GENETIC MODIFICATION
18.1 Biotechnology And Genetic Modification
18.2 Biotechnology
18.3 Genetic Engineering
ANSWER SECTION

UNIT 19 RELATIONSHIP OF ORGANISMS WITH ONE ANOTHER AND WITH THE ENVIRONMENT
19.1 Energy Flow
19.2 Food Chains And Food Webs
19.3 Carbon Cycle
19.4 Nitrogen Cycle
19.5 Parasitism
19.6 Effects Of Humans On The Ecosystem
19.7 Pollution
19.8 Conservation
19.9 Multiple Topics
ANSWER SECTION