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Biology

Objective Paper

Cell structure, function, and division.

Cell Structure
HIGH
Organelles and their functions.
Objectives:
Candidates should be able to describe cell organelles and their functions.
Cell Division (Mitosis & Meiosis)
HIGH
Stages and significance.
Objectives:
Candidates should be able to compare mitosis and meiosis.
Cell Physiology
HIGH
Diffusion, osmosis, active transport.
Objectives:
Candidates should be able to explain transport across membranes.

Heredity, variation, and natural selection.

Mendelian Genetics
HIGH
Monohybrid, dihybrid crosses.
Objectives:
Candidates should be able to solve genetic crosses.
Variation
MEDIUM
Continuous and discontinuous.
Objectives:
Candidates should be able to describe sources of variation.
Evolution
MEDIUM
Evidence for evolution, natural selection.
Objectives:
Candidates should be able to explain theories of evolution.

Ecosystems, interactions and environmental issues.

Ecosystem
HIGH
Components and interactions.
Objectives:
Candidates should be able to describe ecosystem components.
Food Chains and Webs
HIGH
Energy flow and trophic levels.
Objectives:
Candidates should be able to construct food chains and webs.
Pollution
MEDIUM
Air, water and land pollution.
Objectives:
Candidates should be able to describe types and effects of pollution.

Nutrition, respiration, transport and excretion.

Nutrition in Plants
HIGH
Photosynthesis, mineral requirements.
Objectives:
Candidates should be able to explain photosynthesis.
Nutrition in Animals
HIGH
Digestion and enzymes.
Objectives:
Candidates should be able to describe digestion and enzyme action.
Respiration
HIGH
Aerobic and anaerobic.
Objectives:
Candidates should be able to differentiate aerobic and anaerobic respiration.
Transport System
HIGH
Blood, heart, and circulation.
Objectives:
Candidates should be able to describe circulation in mammals.
Excretion
HIGH
Kidney and other excretory organs.
Objectives:
Candidates should be able to describe the nephron and urine formation.

Classification, kingdom by kingdom.

Classification
MEDIUM
Kingdom, phylum, class, order, family, genus, species.
Objectives:
Candidates should be able to classify organisms.
Microorganisms
MEDIUM
Bacteria, viruses, fungi, protists.
Objectives:
Candidates should be able to describe microorganisms and their effects.
Subject Overview

Living organisms, cells, ecology, genetics and physiology.

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