MCQ Questions for Class 9 Science Chapter 5 The Fundamental Unit of Life

Are you guys looking for NCERT MCQ Questions for Class 9 Science with Answers PDF Free Download as per CBSE new exam pattern? You came to the right page. This may assist you to understand and check your knowledge about the chapters. Students also can take a free test of the Multiple Choice Questions of Class 9 Science. Each question has four options followed by the right answer. These MCQ Questions are selected supported by the newest exam pattern as announced by CBSE.

Q1.Chromosomes are made up of


(a) DNA
(b) Protein
(c) DNA and protein
(d) RNA

Answer: (c) DNA and protein


Q2. Which of the following statement marks as a difference between plant cell and animal cell?

(a) Plant cells have cell wall which animal cells do not.
(b) Plant cells do not have vacuole while animal cells do have.
(c) Plant cells have only cell membrane while animal cells have both cell wall zwell as cell membrane.
(d) Plant cells have more plastids while animal cells have few plastids.

Answer: (a) Plant cells have cell wall which animal cells do not


Q3.Cell theory was given by

(a) Schleiden and Schwann
(b) Virchow
(c) Hooke
(d) Haeckel

Answer: (a) Schleiden and Schwann


Q4.Plasmolysis in a plant cell is defined as


(a) breakdown (lysis) of plasma membrane in hypotonie medium
(b) shrinkageof cytoplasm in hypertonic medium
(c) shrinkage of nucleoplasm
(d) none of them

Answer: (b) shrinkageof cytoplasm in hypertonic medium


Q5.The only cell organelle seen in prokaryotic cell is


(a) mitochondria
(b) ribosomes
(c) plastids
(d) lysosomes

Answer: (b) ribosomes


Q6.Which of the following are covered by a single membrane?


(a) Mitochondria
(b) Vacuole
(c) Lysosome
(d) Plastid

Answer: (b) Vacuole


Q7. Cell is the structural and functional unit of life. The word cell is derived from the Latin word ‘cellula’ which means “a little room”. Can you name the scientist who coined the term cell?

(a) Robert Hooke
(b) Anton Von Leeuwenhoek
(c) Robert Brown
(d) Ernst Haeckel

Answer: (a) Robert Hooke


Q8.Find out the false sentence.


(a) Nucleus is involved with the formation of lysosomes.
(b) Nucleus, mitochondria and plastid have DNA, hence they are able to make their own structural proteins.
(c) Mitochondria is said to be the power house of the cell as ATP is generated in them.
(d) Cytoplasm is called as protoplasm

Answer: (a) Nucleus is involved with the formation of lysosomes


Q9. The proteins and lipids, essential for building the cell membrane, are manufactured by:

(a) Endoplasmic reticulum
(b) Golgi apparatus
(c) Mitochondria
(d) Peroxisomes

Answer: (a) Endoplasmic reticulum


Q10.Which cell organelle plays a crucial role in detoxifring many poisons and drugs in a cell?


(a) Golgi apparatus
(b) Lysosomes
(c) Smooth endoplasmic reticulum
(d) Vacuoles

Answer: (c) Smooth endoplasmic reticulum


Q11.You must have observed that a fruit when unripe is green but it becomes beautifully coloured when ripe. According to you what is the reason behind this colour change.

(a) Chloroplasts change to chromosplasts
(b) Chromosplasts change to chromosomes
(c) Chloroplasts change to chromosomes
(d) Chromosplasts change to chloroplasts

Answer: (a) Chloroplasts change to chromosplasts



Q12.The undefined nuclear region of prokaryotes is also known as


(a) nucleus
(b) nucleolus
(c) nucleic acid
(d) nucleoid

Answer: (d) nucleoid


Q13.Which of these options are not a function of ribosomes?


(i) It helps in manufacture of protein molecules.
(ii) It helps in manufacture of enzymes.
(iii) It helps in manufacture of hormones.
(iv) It helps in manufacture of starch molecules.
(a) (i) and (ii)
(b) (ii) and (iii)
(c) (iii) and (iv)
(d) (iv) and (i)

Answer: (c) (iii) and (iv)

Q14.Which of the following statement marks as a difference between plant cell and animal cell?

(a) Plant cells have cell wall which animal cells do not.
(b) Plant cells do not have vacuole while animal cells do have.
(c) Plant cells have only cell membrane while animal cells have both cell wall as well as cell membrane.
(d) Plant cells have more plastids while animal cells have few plastids.

Answer: (a) Plant cells have cell wall which animal cells do not


Q15.Cell wall of which one of these is not made up of cellulose?

(a) Bacteria
(b) Hydrilla
(c) Mango tree
(d) Cactus

Answer: (a) Bacteria


Q16.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.

Answer: (d) Plasma membranes contain chitin sugar in plants.


Q17Living cells were discovered by

(a) Robert Hooke
(b) Purkinje
(c) Leeuwenhoek
(d) Robert Brown

Answer: (c) Leeuwenhoek


Q18.Organelle Other Than Nucleus, Containing DNA Is

(A). Endoplasmic reticulum
(B). Golgi apparatus
(C). Mitochondria
(D). Lysosome

Answer:(C) Mitochondria


Q19.Pooja Is Completed Her Science Chapter Where She Wrote Some Statements. She Wants To Know Whether The Statements Are Correct Or Not? She Wants To Take Help From You:


[A]. Human heart has a special type of muscle cell called cardiac muscles.
[B]. Stomach has a special cell such as mucous cells.
[C]. Skeletal muscles are voluntary muscles i.e. their contraction depends on our will or control.
[D]. All the above.

Answer: All the above



Q20. You must have observed that a fruit when unripe is green but it becomes beautifully coloured when ripe. According to you what is the reason behind this colour change.

(a) Chloroplasts change to chromosplasts
(b) Chromosplasts change to chromosomes
(c) Chloroplasts change to chromosomes
(d) Chromosplasts change to chloroplasts

Answer: (a) Chloroplasts change to chromosplasts


Class 9 Science Chemistry MCQ

Chapter 1 Matter in Our Surroundings
Chapter 2: Is Matter Around Us Pure
Chapter 3: Atoms and Molecules
Chapter 4: Structure of the Atom

Class 9 Science Biology MCQ

Chapter 5: The Fundamental Unit of Life
Chapter 6: Tissues
Chapter 7: Diversity in Living Organisms
Chapter 13: Why do we Fall Ill
Chapter 14: Natural Resources
Chapter 15: Improvement in Food Resources

Class 9 Science Physics MCQ

Chapter 8: Motion
Chapter 9: Force and Laws of Motion
Chapter 10: Gravitation
Chapter 11: Work and Energy
Chapter 12: Sound

Practicing NCERT Science MCQs With Answers Pdf Class 9 is one of the best ways to prepare for the CBSE Class 9 board exam. There is no substitute for consistent practice whether one wants to understand a concept thoroughly or one wants to score better. If you have any queries regarding The Solid State CBSE Class 9 Science MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon.