Class 9 Science Chapter 5 MCQ (Multiple Choice Questions) of The Fundamental Unit of Life. All the questions are important and useful for clearing the doubts in chapter 5 of standard 9 science. These questions provide a perfect practice for the preparation of school unit tests or terminal exams. These questions take less time to revise and provide maximum result in exams. So, practice here with MCQs and get good marks in exams.

Class 9 Science Chapter 5 MCQ Online Tests for 2024-25

Class: 9Science
Chapter: 5The Fundamental Unit of Life
Contents:MCQ Online Tests with Answers

Class 9 Science Chapter 5 MCQ with Answers for 2024-25

Class 9 Science Chapter 5 MCQ Online Test contains about 75 questions in all with answers and explanation. New questions will be added time to time to increase the question bank. All the questions are taken from NCERT Books for 9th Standard Science issued for academic session 2024-25.


Select the odd one out:

[A]. The movement of water across a semi permeable membrane is affected by the amount of substances dissolved in it.
[B]. Membranes are made of organic molecules like proteins and lipids
[C]. Molecules soluble in organic solvents can easily pass through the membrane.
[D]. Plasma membranes contain chitin sugar in plants

1 μ m is:

[A]. 10^–6 m
[B]. 10^–9 m
[C]. 10^–10 m
[D]. 10^–3 m

The only cell organelle seen in prokaryotic cell is

[A]. Mitochondria
[B]. Ribosomes
[C]. Plastids
[D]. Lysosomes

Cell theory was given by

[A]. Schleiden and Schwann
[B]. Virchow
[C]. Hooke
[D]. Haeckel

Organelle other than nucleus, containing DNA is

[A]. Endoplasmic reticulum
[B]. Golgi apparatus
[C]. Mitochondria
[D]. Lysosome

Consider the following statements and choose the incorrect one:

[A]. The spontaneous movement of water molecules through a selectively permeable membrane is called osmosis.
[B]. Osmosis is the passage of water from a region of high-water concentration through a semi-permeable membrane to a region of low water concentration.
[C]. Osmosis is purely mechanical diffusion process by which cells absorb water without spending any amount of energy.
[D]. If the medium surrounding the cell has a higher water concentration, than the cell will gain water by osmosis, such a dilute solution is called isotonic solution.

Which cell organelle plays a crucial role in detoxifying many poisons and drugs in a cell?

[A]. Golgi apparatus
[B]. Lysosomes
[C]. Smooth endoplasmic reticulum
[D]. Vacuoles

In the last year board examination, Rahul were asked a question where he had to choose the statement which was/were incorrect? Will you be able to answer this question?

[A]. Non-cellular organisms that do not contain any cell in their body organisms, example viruses.
[B]. Cellular organisms that contain either one or more cells in their bodies example bacteria.
[C]. Nuclear material of a prokaryotic cell consists of a single chromosome which is in direct contact with cytoplasm.
[D]. In prokaryotic cell membrane bound cell organelles such as mitochondria and plastids endoplasmic reticulum, Golgi apparatus etc. are present.

Which of these is not related to endoplasmic reticulum?

[A]. It behaves as transport channel for proteins between nucleus and cytoplasm
[B]. It transports materials between various regions in cytoplasm
[C]. It can be the site of energy generation
[D]. It can be the site for some biochemical activities of the cell

Which of these options are not a function of Ribosomes?

[A]. It helps in manufacture of protein molecules, and It helps in manufacture of enzymes.
[B]. It helps in manufacture of enzymes, and It helps in manufacture of hormones.
[C]. It helps in manufacture of hormones, and It helps in manufacture of starch molecules.
[D]. It helps in manufacture of starch molecules, and It helps in manufacture of protein molecules.
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Last Edited: June 10, 2023