Characteristics and Classification of Living Organisms
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Characteristics of living organisms
SubtopicCharacteristics of living organisms under Characteristics and Classification of Living Organisms for Grade 11 IGCSE.
Preview questions (no answers)
- 1.
What is the primary purpose of respiration in living cells?
A.To produce oxygen for the environment.
B.To remove carbon dioxide from the blood.
C.To break down glucose to release energy for cell processes.
D.To transport nutrients to different parts of the body.
- 2.
Growth is defined as a permanent increase in which two factors?
A.Height and weight
B.Size and dry mass
C.Water content and cell number
D.Metabolic rate and complexity
- 3.
An organism detects a change in its environment and reacts to it. Which characteristic of living things is being described?
A.Sensitivity
B.Reproduction
C.Growth
D.Excretion
Download the worksheet for Characteristics and Classification of Living Organisms - Characteristics of living organisms to practice offline. It includes additional chapter-level practice questions.
Concept and use of a classification system
SubtopicConcept and use of a classification system under Characteristics and Classification of Living Organisms for Grade 11 IGCSE.
Preview questions (no answers)
- 1.
A multicellular organism is observed to have cells containing a nucleus and a cell wall made of cellulose. In which kingdom should this organism be classified?
A.Animals
B.Fungi
C.Prokaryotes
D.Plants
- 2.
Which characteristic of living organisms is defined as the removal of toxic materials and substances in excess of requirements?
A.Nutrition
B.Sensitivity
C.Excretion
D.Reproduction
- 3.
In the binomial system of naming organisms, what do the two parts of the name represent?
A.Genus and species
B.Kingdom and phylum
C.Family and genus
D.Class and order
Download the worksheet for Characteristics and Classification of Living Organisms - Concept and use of a classification system to practice offline. It includes additional chapter-level practice questions.
Features of organisms
SubtopicFeatures of organisms under Characteristics and Classification of Living Organisms for Grade 11 IGCSE.
Preview questions (no answers)
- 1.
Which kingdom includes organisms that are multicellular, contain chloroplasts for photosynthesis, and possess cell walls made of cellulose?
A.Fungi
B.Animalia
C.Prokaryotae
D.Plantae
- 2.
What is the correct sequence of the first four levels in the hierarchy of classification, starting from the most general group?
A.Kingdom Phylum Class Order
B.Kingdom Class Phylum Order
C.Phylum Kingdom Class Order
D.Order Family Genus Species
- 3.
A student identifies an organism that has a backbone, produces milk for its young, and has hair or fur. In which group of vertebrates should this organism be classified?
A.Reptiles
B.Amphibians
C.Mammals
D.Birds
Download the worksheet for Characteristics and Classification of Living Organisms - Features of organisms to practice offline. It includes additional chapter-level practice questions.
Dichotomous keys
SubtopicDichotomous keys under Characteristics and Classification of Living Organisms for Grade 11 IGCSE.
Preview questions (no answers)
- 1.
Which of the following characteristics is most suitable for use in a dichotomous key for plants?
A.The exact height of the plant in centimeters
B.The health of the plant
C.The shape of the leaves
D.The current temperature of the plant
- 2.
Look at the provided dichotomous key. Which organism is identified by having 8 legs and no wings?
A.Organism A
B.Organism B
C.Organism C
D.Organism D
- 3.
In a dichotomous key, how many options are typically provided at each step?
A.One
B.Two
C.Three
D.Four
Download the worksheet for Characteristics and Classification of Living Organisms - Dichotomous keys to practice offline. It includes additional chapter-level practice questions.