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. Problems
  2. /A-Level

A-Level problems

501 problems for A-Level practice, each with a worked solution. Try each one on paper first, then check your answer.

Other examsJEE MainJEE AdvancedNEETBITSATWBJEEBoard ExamOlympiadSATAPIBGaokaoPCEP (Python Institute)PCAP (Python Institute)

Choose a topic to see its subtopics.

26 problems
Type:
1.
In a dark room, Rahul cuts the tip off an oat shoot. New
High School (9–10), General · Plant Hormones and Movements, Hormones and the Endocrine SystemBoard Exam, A-Level, IBStemPy LabStemPy Lab
Hard
2.
Glucose passes from the glomerulus into Bowman's capsule, together with the water. New
High School (9–10), General · Excretion, Excretory SystemBoard Exam, A-LevelStemPy LabStemPy Lab
Easy
3.
A fish has a heart with two chambers, and its blood passes through the heart only once in each… New
High School (9–10), General · Transport in Living Organisms, Circulatory SystemBoard Exam, A-Level, IBStemPy LabStemPy Lab
Hard
4.
Aphids are small insects that feed on plants. New
High School (9–10), General · Transport in Living OrganismsBoard Exam, A-Level, IBStemPy LabStemPy Lab
Hard
5.
Why does Whittaker's system leave out the viruses, viroids and prions, and also the lichens?
High School (11–12) · Lichens and Symbiosis, Viruses, Viroids and PrionsBoard Exam, A-LevelStemPy LabStemPy Lab
Medium
6.
Say whether each statement describes Plantae or Animalia: (a) the reserve food is starch; (b)…
High School (11–12) · Kingdoms Plantae and AnimaliaBoard Exam, A-LevelStemPy LabStemPy Lab
Easy
7.
A bacterium and a white blood cell of a human are both single cells.
High School (11–12) · Kingdom MoneraBoard Exam, AP, A-Level, IBStemPy LabStemPy Lab
Medium
8.
An old museum from the 1850s labels its exhibits as Plant or Animal: a mushroom (Plant), a moss…
High School (11–12) · The Five KingdomsBoard Exam, A-LevelStemPy LabStemPy Lab
Easy
9.
Use the simplified key to the five kingdoms for these organisms: Agaricus, the button mushroom…
High School (11–12) · The Five KingdomsBoard Exam, A-LevelStemPy LabStemPy Lab
Medium
10.
Use the table of the five kingdoms. (a) Which kingdoms can have autotrophic members?
High School (11–12) · The Five KingdomsBoard Exam, A-LevelStemPy LabStemPy Lab
Easy
11.
Baker's yeast ( Saccharomyces ) and Candida, a yeast that can cause thrush, are single cells with a…
High School (11–12) · The Five KingdomsBoard Exam, A-LevelStemPy LabStemPy Lab
Hard
12.
These seven ranks are mixed up: Order, Species, Phylum, Family, Kingdom, Genus, Class.
High School (11–12) · Taxonomic Hierarchy and Aids, Classification of Living OrganismsBoard Exam, A-Level, IBStemPy LabStemPy Lab
Easy
13.
Three birds have these ranks. House sparrow: Animalia, Chordata, Aves, Passeriformes, Passeridae…
High School (11–12) · Taxonomic Hierarchy and Aids, Classification of Living OrganismsBoard Exam, A-Level, IBStemPy LabStemPy Lab
Medium
14.
The house cat is Felis catus, the jungle cat is Felis chaus, and the leopard is Panthera pardus.
High School (11–12) · Taxonomic Hierarchy and Aids, Classification of Living OrganismsBoard Exam, A-Level, IBStemPy LabStemPy Lab
Medium
15.
A plains zebra ( Equus quagga ) and a donkey ( Equus asinus ) can mate in a zoo, and their young, a…
High School (11–12) · Taxonomic Hierarchy and Aids, Classification of Living OrganismsBoard Exam, A-Level, IBStemPy LabStemPy Lab
Medium
16.
A starfish is not a fish, a cuttlefish is not a fish, and the insects called white ants are…
High School (11–12) · Biodiversity and NomenclatureBoard Exam, A-Level, IBStemPy LabStemPy Lab
Medium
17.
Give three reasons why biologists need a system for naming and grouping organisms.
High School (11–12) · Biodiversity and NomenclatureBoard Exam, A-Level, IBStemPy LabStemPy Lab
Easy
18.
Each of these is written wrongly. Say what is wrong, and write it correctly: (a) azadirachta…
High School (11–12) · Biodiversity and NomenclatureBoard Exam, A-Level, IBStemPy LabStemPy Lab
Medium
19.
A meadow has four kinds of butterflies, with 18, 12, 6 and 4 individuals.
High School (9–10), General · Plant and Animal KingdomsAP, A-LevelStemPy LabStemPy Lab
Medium
20.
A gardener removes a complete ring of bark from a tree trunk, all the way round, and cuts through…
High School (9–10), General · Plant TissuesBoard Exam, A-LevelStemPy LabStemPy Lab
Medium
21.
A cylinder of potato has a mass of 6.0 g.
High School (9–10), General · Transport Across the Cell MembraneBoard Exam, AP, A-Level, IBStemPy LabStemPy Lab
Medium
22.
A plant cell and a red blood cell are both placed in pure water.
High School (9–10), General · Transport Across the Cell MembraneBoard Exam, AP, A-Level, IBStemPy LabStemPy Lab
Medium
23.
The graph shows what happened to potato cylinders in salt solutions of different strength.
High School (9–10), General · Transport Across the Cell MembraneBoard Exam, AP, A-Level, IBStemPy LabStemPy Lab
Medium
24.
In a photograph taken with a microscope, a cell is 33 mm wide.
High School (9–10), General · Cell Structure and OrganellesA-Level, IBStemPy LabStemPy Lab
Medium
25.
Two cells are shaped like cubes. Cell X has a side of 3 µm and cell Y a side of 9 µm.
High School (9–10), General · Cell Structure and OrganellesAP, A-Level, IBStemPy LabStemPy Lab
Medium
Page 1 of 2

Showing 1–25 of 26