HelpContactFor teachers and institutes
>_StemPy Lab
Mock TestsClassesGroups

>_StemPy Lab

Learn. Solve. Code the solutions. Test yourself.

Live examsFree mock exams, timed and rankedEveryone starts together, and your score and rank come the moment it ends.See the exams →

Learn

  • Physics
  • Chemistry
  • Mathematics
  • Biology
  • Python Programming
  • Statistics & Data Science
  • Classes
  • Groups

Practice

  • Problems
  • Quizzes
  • Mock Tests
  • Prepare for an Exam
  • Question Sets
  • Exams
  • Certificates
  • Python Labs
  • AI Practice Generator
  • Student-Created Tests

Community

  • Discussions
  • Resources
  • Notes
  • Blog

Account

  • Dashboard
  • My Content
  • Profile
  • Log in
© 2026 senLearn. All rights reserved.HelpAboutContactPrivacy PolicyTerms of UseRefund Policy
  1. Prepare for an exam
  2. /A-Level
Exam preparation

A-Level preparation

UK A-Level practice, topic by topic.

1,971 questions · 501 problems

With a Standard planWith a Premium plan

Paper pattern

Our full A-Level papers follow this pattern.

  • Physics, Chemistry, Mathematics and Biology

    Each subject: 20 questions, 25 minutes

    Correct answer +1, no marks lost for a wrong answer

Question sets

No timer. Work at your own pace.

  • MathematicsCombinations: Practice Questions10 questions
  • MathematicsPermutations: Concept Check10 questions
  • MathematicsThe Fundamental Principle of Counting: Check Your Understanding10 questions

Practice questions and problems

Hardest first. Try each one on paper before you see the answer.

Physics

Problems with worked solutions

  • HardA gas goes clockwise round a triangle ABCA on a pressure-volume graph.
  • HardA lead bullet at 30 °C hits a steel plate at 340 m/s and stops.
  • HardA red giant star radiates a power of 2.0 × 10²⁹ W from a surface at 3500 K.

All problems for this exam

  • A-Level problems →

The full list, by topic and level, each with a worked solution.

Preparing for another exam?

  • JEE Main
  • JEE Advanced
  • NEET
  • Olympiads
  • Board Exams
  • SAT
  • AP
  • IB
Chemistry
Entropy, Gibbs Energy and Spontaneity: Practice Questions
10 questions
  • ChemistryEnthalpy and Hess's Law: Concept Check10 questions
  • MathematicsSpecial Angles and Trigonometric Identities: Concept Check10 questions
  • All A-Level question sets →

    HardA copper calorimeter of mass 0.18 kg holds 0.25 kg of water at 16 °C.
  • HardA constant-volume gas thermometer reads 110.0 kPa at 0 °C and 150.3 kPa at 100 °C.
  • More Physics problems for A-Level →

    Chemistry

    Questions

    • HardWhy is the enthalpy of vaporisation of a liquid much larger than its enthalpy of fusion?
    • HardOne gram each of four gases is taken. Which sample holds the largest number of atoms?
    • HardGallium has an average atomic mass of 69.8 u, made of gallium-69 and gallium-71. Taking each mass as its mass number, what percentage of the atoms are gallium-71?
    • HardIons of chlorine-35 and chlorine-37, each 1+, pass through the same voltage and the same magnetic field. Using r ∝ √m, what is r₃₇/r₃₅?
    • HardWhich pair will react when they are mixed?
    More Chemistry questions for A-Level →

    Problems with worked solutions

    • HardFor N₂O₄(g) ⇌ 2NO₂(g), Δ H° = +57.2 kJ/mol and Δ S° = +175.8 J/(K mol).
    • HardBreaking one mole of CH₄(g) into atoms takes 1665 kJ.
    • HardHydrogen sulphide, hydrogen selenide and hydrogen telluride boil at 213 K, 232 K and 271 K; their…
    • HardChlorine has 7 outer electrons. Find the electron pairs and lone pairs on chlorine in ClF₃.
    • Hard

    Mathematics

    Questions

    • HardCodes of 3 different letters are made from the letters of PLANETS. Each code uses both vowels and one consonant. How many codes are there?
    • HardFor which natural number n is (n + 1)! = 20 × (n - 1)!?
    • HardWhich pair is the square roots of 3 + 4i?
    • HardIshaan says that the sum of the first 10 terms of an arithmetic progression is always 10 times its 5th term. What is the truth?
    • HardWithout a table, what is sin 75° cos 15°?
    More Mathematics questions for A-Level →

    Problems with worked solutions

    • HardThe word ALLAHABAD has 9 letters. How many arrangements of its letters are there?
    • HardHow many 4-digit even numbers can be made from the digits 0, 1, 2, 3, 4 and 5, if no digit is used…
    • HardThe equation x² + px + q = 0 has real p and q.
    • HardFor which real number k is (2 + ki)/(1 + 3i) a real number? What is its value then?
    • HardHow many terms of 21, 18, 15, … must be added to get 81? Explain why there are two answers.

    Biology

    Questions

    • HardA gardener strips a ring of bark from the trunk of a young guava tree, which cuts the phloem but leaves the wood. Weeks later, the bark just above the ring swells. Why?
    • HardHistone-like proteins on the DNA are found in
    More Biology questions for A-Level →

    Problems with worked solutions

    • HardIn a dark room, Rahul cuts the tip off an oat shoot.
    • HardAphids are small insects that feed on plants.
    • HardA fish has a heart with two chambers, and its blood passes through the heart only once in each…
    More Biology problems for A-Level →

    Python Programming

    Problems with worked solutions

    • HardWrite a function that finds the value of the middle node of a chain in one pass, without counting…
    More Python Programming problems for A-Level →
    Forming Mg²⁺ and O²⁻ seems costly. In kJ/mol: sublimation of magnesium +148; half the bond enthalpy…
    More Chemistry problems for A-Level →
    More Mathematics problems for A-Level →