IB Grade 9 Biology by Pavan | Practice Test to Test Your Knowledge
Students

Academic Programs

AI-powered learning for grades 8-12, aligned with major curricula

Engineering Courses
Professional

Professional Courses

Industry-relevant training in Business, Technology, and Design

Certifications
Games

Interactive Games

Fun games to boost memory, math, typing, and English skills

  2. Practice Tests
  3. IB Grade 9 Biology
IB Grade 9 Biology

IB Grade 9 Biology

Thorough mock test covering scientific inquiry, experimental design, and conceptual understanding. Includes laboratory skills, data analysis, and interdisciplinary scientific applications.

2025-07-21
Pavan Pavan
IB Biology Class 9 Grade 9

Duration

30 min

Questions

20

Marking

Negative

You've not yet enrolled in this practice test. Please login to start practice test.

Questions Preview

What is the study of biology primarily focused on?

A
The study of planets and stars.
B
The scientific study of life and living organisms.
C
The study of the Earth's physical properties.
D
The study of the weather and climate.

Which of the following is a characteristic of living organisms?

A
Living organisms have no structure.
B
Living organisms do not reproduce.
C
Living organisms maintain homeostasis.
D
Living organisms do not react to stimuli.

Who first coined the term 'cell' when studying cork under a microscope?

A
Anton van Leeuwenhoek
B
Robert Hooke
C
Theodor Schwann
D
Matthias Schleiden

What is the main difference between prokaryotic and eukaryotic cells?

A
Prokaryotic cells have membrane-bound organelles.
B
Eukaryotic cells lack a nucleus.
C
Prokaryotic cells have no membrane-bound nucleus.
D
Eukaryotic cells do not have ribosomes.

What is the function of the mitochondria?

A
Synthesize proteins.
B
Produce energy for the cell through cellular respiration.
C
Control the cell's genetic information.
D
Transport materials within the cell.

Which organelle is responsible for photosynthesis in plant cells?

A
Mitochondria
B
Chloroplasts
C
Nucleus
D
Ribosomes

Which of the following is found in both plant and animal cells?

A
Cell wall
B
Chloroplasts
C
Mitochondria
D
Central vacuole

What is the role of ribosomes in a cell?

A
To synthesize proteins.
B
To store genetic material.
C
To regulate the movement of substances in and out of the cell.
D
To produce energy.

What does the term 'homeostasis' refer to in biology?

A
The ability of organisms to maintain internal stability.
B
The process of cell division.
C
The ability to adapt to external changes.
D
The process by which plants make food.

What type of microscope uses a beam of electrons to magnify a specimen?

A
Light microscope
B
Transmission electron microscope
C
Scanning electron microscope
D
Both B and C

Which of the following organelles is primarily responsible for maintaining the shape of a plant cell?

A
Chloroplasts
B
Mitochondria
C
Cell wall
D
Endoplasmic reticulum

Which of the following is not a characteristic of prokaryotic cells?

A
Lack a true nucleus
B
Contain ribosomes
C
Have membrane-bound organelles
D
Have a single, circular chromosome

Which of the following is found in both plant and animal cells?

A
Cell wall
B
Chloroplasts
C
Mitochondria
D
Large central vacuole

Which of the following organelles is only found in plant cells?

A
Mitochondria
B
Golgi apparatus
C
Chloroplasts
D
Nucleus

What does the smooth endoplasmic reticulum (ER) synthesize?

A
Proteins
B
Lipids
C
Carbohydrates
D
ATP

What does the Golgi apparatus do?

A
Produces ATP
B
Synthesizes proteins
C
Packages and modifies proteins
D
Breaks down waste materials

Which of the following structures is found in both prokaryotic and eukaryotic cells?

A
Nucleus
B
Ribosomes
C
Mitochondria
D
Chloroplasts

Which of the following organelles is responsible for storing genetic information?

A
Ribosomes
B
Nucleus
C
Golgi apparatus
D
Mitochondria

What is the key difference between plant and animal cells?

A
Animal cells have a cell wall.
B
Plant cells have chloroplasts.
C
Animal cells have mitochondria.
D
Plant cells do not have ribosomes.

What is the primary function of ribosomes?

A
Protein synthesis
B
Energy production
C
Transporting materials
D
Storage of genetic material