Cambridge A Levels

Biology

Cambridge A Levels · Code 9700

Topics ko order mein karo, har lesson ke baad recall test karo, phir past papers se exam-style questions practise karo.

1 Learn

Explanation parho aur Pakistan-relevant example dekho.

2 Recall

Key-point card se yaad karo, lesson dobara khole bagair.

3 Apply

Quiz attempt karo, mistakes note karo, weak concept par wapas jao.

Topic list

01

Cell Biology Advanced

A detailed study of cell ultrastructure, membrane dynamics, transport mechanisms, and cell division.

31 QReady
02

Biological Molecules

Structure, function, and tests for water, carbohydrates, lipids, and proteins.

30 QReady
03

Enzymes

Explores enzyme structure, kinetics (Vmax, Km), inhibition, and factors affecting catalytic activity.

30 QReady
04

Nucleic Acids & Protein Synthesis

The structure of nucleic acids (DNA, RNA) and the processes of protein synthesis.

30 QReady
05

The Mitotic Cell Cycle

The ordered sequence of events for cell growth and division into two identical daughter cells.

5 QReady
06

Transport in Plants

Plants transport water, minerals, and sugars through specialized xylem and phloem tissues.

5 QReady
07

Transport in Mammals

The mammalian double circulatory system's structure and function in transporting vital substances.

5 QReady
08

Gas Exchange and Smoking

The human gas exchange system's structure and the detrimental effects of smoking on health.

5 QReady
09

Infectious Diseases

Exploring pathogens, their transmission, and the fight against them with antibiotics.

5 QReady
10

Immunity

The body's multi-layered defence system against pathogens and foreign substances.

5 QReady
11

Energy and Respiration

The breakdown of organic molecules like glucose to synthesise ATP for metabolic processes.

5 QReady
12

Photosynthesis

The process by which plants use light energy to synthesise nutrients from CO₂ and water.

5 QReady
13

Homeostasis

The maintenance of a constant internal environment within set physiological limits.

5 QReady
14

Control and Coordination

Mammalian nervous and endocrine systems maintain homeostasis and respond to stimuli.

5 QReady
15

Inheritance

Exploring the mechanisms of how genetic traits are passed from parents to offspring.

5 QReady
16

Classification, Biodiversity and Conservation

Exploring life's hierarchy, its variety, and the urgent need for its protection.

5 QReady
17

Genetic Technology

The manipulation of genetic material for practical purposes in medicine and agriculture.

5 QReady
18

Populations and Ecology

Master the dynamics of populations, energy flow, and nutrient cycles to understand how ecosystems function and the impact of human activity.

5 QReady

How to turn Biology revision into marks

Biology answers need precise structure-function links, ordered processes, and evidence from diagrams or data. Long paragraphs do not earn marks unless each sentence explains the mechanism being tested.

Answer method

  1. Name the structure, process, variable, or relationship before describing detail.
  2. Put multi-stage processes in the correct order and state what moves, changes, or is produced.
  3. Use values, trends, labels, and comparisons from the supplied figure instead of retelling the topic.
  4. For evaluation, distinguish what the result supports from what the evidence cannot establish.

Common traps

  1. Using near-synonyms where the biological term has a precise meaning.
  2. Explaining purpose without the mechanism, or mechanism without linking back to function.
  3. Ignoring units, controls, anomalies, sample size, or repeats in data and practical questions.
  4. Writing every fact remembered instead of following the command word and mark allocation.

Practice rhythm

  1. Draw and label one process or structure from memory, then compare it with the lesson.
  2. Turn a key point into a because-therefore explanation and a data-based question.
  3. Practise one calculation or graph task alongside one structured explanation.
  4. Keep a vocabulary list of terms you used too broadly and rewrite the affected answer.

Official material and timed practice

These lessons support revision; confirm the current Cambridge International specification and school exam-entry advice before planning your papers.