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By Karan Singh Bisht
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Updated on 26 Aug 2025, 14:45 IST
The Fundamental Unit of Life Class 9 MCQ: Explore the most important MCQs on The Fundamental Unit of Life Class 9 to boost your preparation for the upcoming Science Annual Examination.
In Class 9 Fundamental Unit of Life MCQ, students dive into key concepts like cell organelles, cellular processes, and cell structure. These MCQs of The Fundamental Unit of Life help reinforce understanding and solidify your knowledge of critical topics.
Practicing MCQ on Fundamental Unit of Life is an effective way for students to engage in problem-solving, review, and critical thinking. By using the The Fundamental Unit of Life Class 9 MCQ questions PDF, students can easily access all the important questions and test their knowledge anytime, anywhere. Taking this online Class 9 Science MCQs will help build confidence and ensure effective preparation for annual exams, giving students an edge in retaining vital information.
Q. What is the structural and functional unit of life?
A) Cell
B) Organism
C) Tissue
D) Organ
Answer: A) Cell
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Q. Who discovered the cell?
A) Robert Hooke
B) Anton van Leeuwenhoek
C) Louis Pasteur
D) Robert Brown
Answer: A) Robert Hooke
Q. Which scientist proposed the cell theory?
A) Matthias Schleiden and Theodor Schwann
B) Robert Hooke
C) Louis Pasteur
D) Anton van Leeuwenhoek
Answer: A) Matthias Schleiden and Theodor Schwann
Q. Which cellular component is often referred to as the “powerhouse” of the cell?
A) Golgi apparatus
B) Mitochondria
C) Endoplasmic reticulum
D) Ribosomes
Answer: B) Mitochondria
Q. Which cell organelle is responsible for protein synthesis?
A) Ribosomes
B) Lysosomes
C) Golgi apparatus
D) Endoplasmic reticulum
Answer: A) Ribosomes
Also Read: CBSE Tissues Class 9 MCQs
Q. Which type of cells lack a well-defined nucleus?
A) Prokaryotic cells
B) Eukaryotic cells
C) Plant cells
D) Animal cells
Answer: A) Prokaryotic cells
Q. What is the function of the cell membrane?
A) Regulation of cell functions
B) Energy production
C) Protein synthesis
D) Storage of genetic material
Answer: A) Regulation of cell functions
Q. Which cell organelle contains digestive enzymes and helps in the digestion of cellular waste?
A) Golgi apparatus
B) Endoplasmic reticulum
C) Mitochondria
D) Lysosomes
Answer: D) Lysosomes
Q. Which structure is found in plant cells but not in animal cells?
A) Chloroplast
B) Centrioles
C) Lysosomes
D) Nucleus
Answer: A) Chloroplast
Must Read: CBSE Class 9 Is Matter Around Us Pure MCQs
Q. What is the function of the nucleus in a cell?
A) Synthesis of proteins
B) Cellular respiration
C) Control of cell activities and storage of genetic material
D) Breakdown of cellular waste
Answer: C) Control of cell activities and storage of genetic material
The fundamental unit of life chapter 5 science class 9 mcqs with answers are provided with moderate to high level. One can check the level of their performance by attempting these questions.
Q. Which cellular structure is accountable for the detoxification and metabolism of drugs within liver cells?
A) Golgi apparatus
B) Endoplasmic reticulum
C) Lysosomes
D) Peroxisomes
Answer: D) Peroxisomes
Q. Which statement does not pertain to the endoplasmic reticulum?
(a) It serves as a conduit for protein transportation between the nucleus and cytoplasm.
(b) It facilitates the movement of materials within the cytoplasm.
(c) It may function as a site for certain cellular biochemical processes.
(d) It can serve as the site for energy production.
Answer: (d) It can serve as the site for energy production.
Q. Osmosis describes the movement of solvent molecules across a semipermeable membrane from a less concentrated solution to a more concentrated one. Which option does not belong to this process?
(a) The movement of water across the membrane depends on the dissolved substances.
(b) Membranes are composed of organic molecules like proteins and lipids.
(c) Solutes soluble in organic solvents can permeate the membrane easily.
(d) Plant plasma membranes contain chitin sugar.
Answer: (d) Plant plasma membranes contain chitin sugar.
Q. The nucleus regulates cell activities and serves as the site for DNA and protein synthesis. Given a figure of the nucleus labeled A, B, C, and D, identify the components correctly.
(a) A – Nucleons; B – Chromatin; C – Nuclear membrane; D – Nucleoplasm
(b) A – Nucleolus; B – Chromatin; C – Nuclear membrane; D – Nuclear wall
(c) A – Nucleolus; B – Chromatin; C – Nuclear membrane; D – Nucleoplasm
(d) A – Nucleus; B – Chromatin; C – Nuclear membrane; D – Nucleoplasm
Answer: (c) A – Nucleolus; B – Chromatin; C – Nuclear membrane; D – Nucleoplasm
Q. Unripe fruits are green, but they develop vibrant colors when ripe. What causes this color change?
(a) Chloroplasts transform into chromoplasts.
(b) Chromoplasts transform into chromosomes.
(c) Chloroplasts transform into chromosomes.
(d) Chromoplasts transform into chloroplasts.
Answer: (a) Chloroplasts transform into chromoplasts.
Q. What is the function of the cytoplasm in a cell?
A) Storage of genetic material
B) Site of photosynthesis
C) Location of cellular metabolism and organelle support
D) Regulation of cell functions
Answer: C) Location of cellular metabolism and organelle support
Q. Which organelle is involved in the synthesis of lipids and detoxification of drugs?
A) Ribosomes
B) Endoplasmic reticulum
C) Golgi apparatus
D) Nucleus
Answer: B) Endoplasmic reticulum
Q. What role does the vacuole play in plant cells?
A) Storage of water, nutrients, and waste products
B) Protein synthesis
C) Energy production
D) Regulation of cell functions
Answer: A) Storage of water, nutrients, and waste products
Q. Which structure helps in the movement of chromosomes during cell division?
A) Centrosome
B) Golgi apparatus
C) Nucleolus
D) Ribosomes
Answer: A) Centrosome
Q. Which organelle is responsible for maintaining cell shape and providing structural support?
A) Mitochondria
B) Cytoskeleton
C) Nucleus
D) Golgi apparatus
Answer: B) Cytoskeleton
Q. What is the function of the cell wall in plant cells?
A) Regulation of cell functions
B) Storage of genetic material
C) Protection and structural support
D) Energy production
Answer: C) Protection and structural support
Q. Which organelle is responsible for the synthesis and packaging of proteins for secretion?
A) Endoplasmic reticulum
B) Ribosomes
C) Golgi apparatus
D) Mitochondria
Answer: C) Golgi apparatus
Q. What is the function of the chloroplast in plant cells?
A) Regulation of cell functions
B) Storage of genetic material
C) Photosynthesis
D) Protein synthesis
Answer: C) Photosynthesis
Q. Which organelle is involved in the breakdown of glucose to produce energy in the form of ATP?
A) Nucleus
B) Lysosomes
C) Mitochondria
D) Endoplasmic reticulum
Answer: C) Mitochondria
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The fundamental unit of life in Class 9 is the cell. It is the basic structural and functional unit of life, and all living organisms are made up of cells.
In Chapter 5 Science Class 9, cells are divided into two types: Prokaryotic and Eukaryotic cells. Prokaryotic cells lack a defined nucleus, whereas eukaryotic cells have a well-organized nucleus and organelles.
You can find detailed MCQs for the fundamental unit of life Class 9 along with answers in the Fundamental Unit of Life MCQ section on Infinity Learn. These help in understanding key concepts from Chapter 5.
In Chapter 5 Science Class 9, we learn that cell theory states that all living organisms are made of cells, and the cell is the basic unit of life. This is fundamental to understanding how life functions at a microscopic level.
