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 2023-24

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

Class 9 Science Chapter 5 MCQ with Answers for 2023-24

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 2023-24.


Consider the following statements and choose the incorrect one:

[A]. Stroma are stacks of membrane bounded flattened discoid sacs containing the molecules of chlorophyll.
[B]. Granum is the site of light reactions during photosynthesis, while stroma former is the site of dark reaction during photosynthesis.
[C]. Chromoplasts impart various colors to flowers to attract insects for pollination.
[D]. Leucoplasts store food in the form of carbohydrates (starch), fats and protein.

Read the following sentences carefully, and choose the incorrect one:

[A]. The mitochondria synthesize energy rich compounds (ATP), they are known as powerhouse of the cell.
[B]. Mitochondria are present in bacteria and the red blood cells of mammals.
[C]. ATP stands for the organic compound adenosine triphosphate.
[D]. Mitochondria are able to make some of their own proteins, so they are regarded as semi-autonomous organelles.

Cell theory was given by

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

Kitchen of the cell is

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

Cell wall of which one of these is not made up of cellulose?

[A]. Bacteria
[B]. Hydrilla
[C]. Mango tree
[D]. Cactus

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.

Chromosomes are made up of

[A]. DNA
[B]. Protein
[C]. DNA and protein
[D]. RNA

A cell will swell up if

[A]. The concentration of water molecules in the cell is higher than the concentration of water molecules in surrounding medium
[B]. The concentration of water molecules in surrounding medium is higher than water molecules concentration in the cell
[C]. The concentration of water molecules is same in the cell and in the surrounding medium
[D]. Concentration of water molecules does not matter
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Last Edited: June 10, 2023