Biology
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Cell Biology (Structure, Transport, and Division)
SubtopicCell Biology (Structure, Transport, and Division) under Biology for Grade 10 IB.
Preview questions (no answers)
- 1.
A cell has a high surface area to volume ratio. How does this affect the cell?
A.It makes transport of materials less efficient
B.It makes transport of materials more efficient
C.It prevents the cell from dividing
D.It causes the cell to lose all its DNA
- 2.
Which part of the microscope is used to sharpen the image under high power?
A.Coarse adjustment knob
B.Fine adjustment knob
C.Stage clips
D.Diaphragm
- 3.
Which of the following is a unicellular organism?
A.Bacterium
B.Oak tree
C.Human
D.Mushroom
Download the worksheet for Biology - Cell Biology (Structure, Transport, and Division) to practice offline. It includes additional chapter-level practice questions.
Genetics and Molecular Biology (DNA, Inheritance, and Biotechnologies)
SubtopicGenetics and Molecular Biology (DNA, Inheritance, and Biotechnologies) under Biology for Grade 10 IB.
Preview questions (no answers)
- 1.
What is the name of the process where the information in mRNA is used to build a chain of amino acids (a protein)?
A.Transcription
B.Translation
C.Replication
D.Respiration
- 2.
In DNA profiling, fragments of DNA are separated by size using an electric field in a process called:
A.Centrifugation
B.Gel electrophoresis
C.Distillation
D.Titration
- 3.
What is the term for an organism that contains DNA from another species introduced through genetic engineering?
A.Hybrid
B.Transgenic
C.Mutant
D.Homozygous
Download the worksheet for Biology - Genetics and Molecular Biology (DNA, Inheritance, and Biotechnologies) to practice offline. It includes additional chapter-level practice questions.
Evolution and Biodiversity (Natural Selection and Classification)
SubtopicEvolution and Biodiversity (Natural Selection and Classification) under Biology for Grade 10 IB.
Preview questions (no answers)
- 1.
How many domains are recognized in the current biological classification system?
A.Two
B.Three
C.Five
D.Six
- 2.
Which group of organisms lacks a cell wall?
A.Plants
B.Fungi
C.Animals
D.Bacteria
- 3.
Natural selection acts on the ______ of an organism.
A.Genotype only
B.Phenotype (observable traits)
C.Acquired characteristics
D.Name
Download the worksheet for Biology - Evolution and Biodiversity (Natural Selection and Classification) to practice offline. It includes additional chapter-level practice questions.
Human Physiology (Systems: Circulatory, Respiratory, and Digestive)
SubtopicHuman Physiology (Systems: Circulatory, Respiratory, and Digestive) under Biology for Grade 10 IB.
Preview questions (no answers)
- 1.
Which organ in the digestive system is responsible for storing feces before they are eliminated?
A.Small intestine
B.Stomach
C.Pancreas
D.Rectum
- 2.
During exhalation, what happens to the air pressure inside the lungs compared to the outside atmosphere?
A.It decreases
B.It increases
C.It stays exactly the same
D.It becomes a vacuum
- 3.
Which of the following contains the least amount of oxygen?
A.Blood in the pulmonary vein
B.Blood in the pulmonary artery
C.Blood in the aorta
D.Blood in the left atrium
Download the worksheet for Biology - Human Physiology (Systems: Circulatory, Respiratory, and Digestive) to practice offline. It includes additional chapter-level practice questions.
Ecology and Environmental Systems (Energy Flow and Human Impact)
SubtopicEcology and Environmental Systems (Energy Flow and Human Impact) under Biology for Grade 10 IB.
Preview questions (no answers)
- 1.
In the process of photosynthesis, what is the byproduct released into the atmosphere that animals need for survival?
A.Carbon dioxide
B.Glucose
C.Oxygen
D.Nitrogen
- 2.
Which of the following is a consequence of melting polar ice caps?
A.Lower sea levels
B.Rising sea levels
C.Decrease in ocean temperature
D.Increase in agricultural land
- 3.
Which level of the food chain usually has the highest biomass?
A.Producers
B.Primary consumers
C.Secondary consumers
D.Tertiary consumers
Download the worksheet for Biology - Ecology and Environmental Systems (Energy Flow and Human Impact) to practice offline. It includes additional chapter-level practice questions.