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

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

NCERT MCQ Questions for Class 9 Science Chapter 5 The Fundamental Unit of Life. The Fundamental Unit of Life MCQ Questions with Answers from Class 9 Science Biology.

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

The Fundamental Unit of Life Multiple Choice Questions with Answers Class 9 Science Chapter 5 PDF is available.

1.) Basic unit of living body

a) Small room

b) Tissue

c) Hairs

d) Cell

ANS-Cell

2.) ………………. Is not unicellular organism

a) Cactus

b) Chlamydomonas

c) Paramecium

d) Bacteria

ANS-Cactus

3.) ………………Is not multicellular organism

a) Human

b) Plant

c) Amoeba

d) Cactus

ANS-Amoeba

4.) Every multicellular organism has originated from………..

a) Human

b) Single cell

c) Bacteria

d) Tissue

ANS-Single cell

5.) ……………. Cell is not found in human body

a) Blood

b) Nerve

c) Fat

d) Electro

ANS-Electro

6.) Shape and size of cell are depend on their…………….

a) Texture

b) Shape

c) Function

d) chemical

ANS-Function

7.) Human body is originated from……………

a) mother

b) Stomach of mother

c) Single cell

d) None of them

ANS-Single cell

8.) Each cell has certain specific component within it known as ……………………

a) Cell body

b) Cytoplasm

c) Cell organelles

d) None of them

ANS-Cell organelles

9.) Cell is seen under……………….

a) Stethoscope

b) Thermometer

c) Microscope

d) None of them

ANS-Microscope

10.) ……………………. Is cell organelle

a) Amoeba

b) Bacteria

c) Cytoplasm

d) Plasmodium

ANS-Cytoplasm

11.) Outermost covering of cell that separates the contents of cell from its external environment

a) Cell envelope

b) Cell cover

c) Cell membrane

d) Cell protector

ANS-Cell membrane

12.) …………………….. is allows or permits the entry and exit of some material in and out of the cell

a) Cell envelope

b) Cell cover

c) Cell membrane

d) Cell protector

ANS-Cell membrane

13.) …………………. Is called selectively permeable membrane

a) Cell envelope

b) Cell cover

c) Cell membrane

d) Cell protector

ANS-Cell membrane

14.) Carbon dioxide or oxygen can move across the cell membrane by a process called……..

a) Reverse Osmosis

b) Diffusion

c) Transportation

d) Circulation

ANS-Diffusion

15.) …………….. process plays important role in gaseous exchange between cells as well as the cell and its external environment

a) Reverse Osmosis

b) Diffusion

c) Transportation

d) Circulation

ANS-Diffusion

16.) The movement of water molecules through such a selectively permeable membrane is called………..

a) Osmosis

b) Diffusion

c) Transportation

d) Circulation

ANS-Osmosis

17.) The cell is swell up by ……………… solution

a) Hypertonic solution

b) Hypotonic solution

c) Isotonic solution

d) None of them

ANS-Hypertonic solution

18.) When the medium is behaving like hypertonic solution

a) Cell is swell up

b) Cell size retain as it is

c) Cell will shrink

d) All of them

ANS-Cell is swell up

19.) The cell will stay the same size…………………. Solution

a) Hypertonic solution

b) Hypotonic solution

c) Isotonic solution

d) None of them

ANS-Isotonic solution

20.) When the medium is behaving like isotonic solution

a) Cell is swell up

b) Cell is size retain as it is

c) Cell will shrink

d) All of them

ANS-Cell size retain as it is

21.) The plasma membrane is made up of …………………

a) Salt

b) Carbohydrates

c) Minerals

d) Lipids

ANS-Lipids

22.) Cell membrane engulfed food from its external environment called

a) Reverse Osmosis

b) Diffusion

c) Endocytosis

d) Circulation

ANS-Endocytosis

23.) Amoeba acquires its food through ………………….

a) Reverse Osmosis

b) Endocytosis

c) Transportation

d) Circulation

ANS-Endocytosis

24.) Rigid outer cover present in plant cell

a) Plasma membrane

b) Cytoplasm

c) Vacuole

d) Cell wall

ANS-Cell wall

25.) Plant cell wall is made up of………….

a) Cellulose

b) Carbohydrates

c) Minerals

d) Lipids

ANS-Cellulose

 

In case you are missed :- Previous Chapter MCQ Questions

 

26.) ……………………. Is a complex substance and provides structural strength to plant

a) Cellulose

b) Carbohydrates

c) Minerals

d) Lipids

ANS-Cellulose

27.) Water movement in plant shows osmosis results contraction and shrinkage of cell called………

a) Reverse Osmosis

b) Endocytosis

c) Transportation

d) Plasmolysis

ANS-Plasmolysis

28.) Nucleus has double layered covering called ………

a) Cytoplasm

b) Nuclear membrane

c) Cell wall

d) Cell membrane

ANS-Nuclear membrane

29.) ……………….. material present in nucleus.

a) Cytoplasm

b) Nuclear membrane

c) Fluid

d) None of them

ANS-None of them

30.) Rod shaped structure present in nucleus called………….

a) Cytoplasm

b) Vacuole

c) Proteins

d) Chromosomes

ANS-Chromosomes

31.) full form of DNA

a) Deoxyribo Nucleic Acid

b) Doxy ribose acid

c) Deoxyribose Napthalic Acid

d) Deoxyribo Nucleic Anta acid

ANS-Deoxyribo Nucleic Acid

32.) Chromosomes are composed of ……….. and ………..

a) Acid, bases

b) Minerals, bases

c) DNA, proteins

d) DNA, RNA

33.) Functional segments of DNA called …………

a) RNA

b) Genes

c) Chromosome

d) None of them

ANS-Genes

34.) Nucleus plays vital role in cellular ……………

a) Circulation

b) Transportation

c) Reproduction

d) Digestion

ANS-Reproduction

35.) Undefined nuclear region containing only nucleic acids is called………….

a) RNA

b) Genes

c) Chromosome

d) Nucleoid

ANS-Nucleoid

36.) ……………. has lack of nuclear membrane

a) Prokaryotes

b) Eukaryotes

c) Cactus

d) Human being

ANS-Prokaryotes

37.) Organisms with cell having a nuclear membrane called……………

a) Prokaryotes

b) Eukaryotes

c) Cactus

d) Human being

ANS-Eukaryotes

38.) Fluid content present in cell called………….

a) Cytoplasm

b) Vacuole

c) Proteins

d) Chromosomes

ANS-Cytoplasm

39.) ……………… lacks any membranes and hence they do not show characteristics of life

a) Plasmodium

b) Viruses

c) Human being

d) None of them

ANS-Viruses

40.) Full form of ER

a) Endo ribosome

b) Endoplasmic reticulum

c) Endoplasmic ribosome

d) Endoplasmic ribose

ANS-Endoplasmic reticulum

41.) Full form of SER

a) Smooth Endo ribosome

b) Small endoplasmic reticulum

c) Smooth endoplasmic reticulum

d) Smooth endoplasmic ribosome

ANS-Smooth endoplasmic reticulum

42.) …………. Plays crucial role in detoxifying many poisons and drugs

a) DNA

b) RNA

c) SER

d) RER

ANS-SER

43.) …………… are membrane bound sacs filled with digestive enzymes

a) Cytoplasm

b) Vacuole

c) Proteins

d) Lysosomes

ANS-Lysosomes

44.) Lysosomes are known as…………..

a) Power house of the cell

b) Suicide bags

c) Lipids

d) None of them

ANS-Suicide bags

45.) …………….. generates ATP

a) Cytoplasm

b) Vacuole

c) Mitochondria

d) Lysosomes

ANS-Mitochondria

46.) Full form of ATP

a) Adenosine Mitochondria

b) Adenosine triphosphosphate

c) Adenosine tri molecule

d) Adenosine triple

ANS-Adenosine triphosphosphate

47.) White or colorless plastids known as……………

a) Plasmodium

b) Plastid

c) Chloroplast

d) Leucoplast

ANS-Leucoplast

48.) Numerous membrane layers present in chloroplast called …………..

a) Cytoplasm

b) Vacuole

c) Mitochondria

d) Stroma

ANS-Stroma

49.) The process of cell division by which most of the cells are divided for growth is called………….

a) Reproduction

b) Meiosis

c) Mitosis

d) None of them

ANS-Mitosis

50.) Four new cells produces by cell division, in that new cells have only half the number of chromosomes than that of mother cell

a) Endocytosis

b) Exocytosis

c) Meiosis

d) Mitosis

ANS-Meiosis

More MCQ Set on Cell:

Cells Class 9 Science MCQ Question and Answers. Important MCQ on Cells 9th Standard Mathematics Subject.

1)  _______ muscles is found in the walls of the heart

a ) Skeletal b) Smooth c) Cardiac d) Striated

Ans. Cardiac

2) Which statement about the fluid mosaic model of membrane structure is correct?

a) The less unsaturated the fatty acid, the more fluid nature.

b) The more unsaturated the fatty acid, the more fluid nature.

c) Higher the temperature, less fluid nature.

d) The lower the temperature, more fluid nature

Ans.The less unsaturated the fatty acid, the more fluid nature.

3) Which one is not a connective tissue

a ) muscle b) bone  c) adipose  d) blood

Ans. Muscle

4) All are postulates of cell theory except

a) New cell is derived from pre-existing cells.

b) Cell does not contain the hereditary material.

c) All living organisms are made up of one or more cells.

d) Cell is the fundamental unit of life

Ans. Cell does not contain the hereditary material.

5) Identify the plant tissue

a ) Epithelial  b) connective c) meristematic d) muscle

Ans. Meristematic

6) Select the odd one

a) Active transport b) Diffusion

c) Facilitated diffusion d) Osmosis

AnsFacilitated diffusion

7) Waste production and demand of nutrients are directly proportional to

a ) cell size  b) cell volume c) cell mass d) cell shape

Ans. Cell volume

8) Cell organelle found in animal cell and help intracellular digestion

a) Lysosome b) Ribosomes c) Mitochondria d) Golgi apparatus

Ans.Lysosome

9) These are the longest cells in our body

a) nerve cells b) muscle cells

c) stem cells d) both a and b

Ans. Both a and b

11) _______ are instruments which produce  magnified visual of objects too small to be seen with the naked eye

a) telescope b) periscope c) microscope d) binocular

Ans. Microscope

12) The important parameters in microscopy is

a ) magnification b) resolution c) brightness d) only a and b

Ans. Only a and b

13) The resolution of a microscope is defined as the ______

distance between two points on a specimen

a ) largest b) smallest c) average d) both b and c

Ans. Smallest

14) A photograph of an image taken through a microscope is called

a ) micrograph b) minigraphc) electrograph d) microscopic photograph

Ans. Micrograph

15) A 10x eyepiece used with a 10x objective lens will produce a magnification of

a ) 10x  b) 10³x c) 100x  d) 100x

Ans. 100x

16) Identify the incorrect statement regarding electron microscope

a ) it has a resolution of 0.2 nanometer

b ) it has magnification of upto250000 times

c) there are two types of electron microscope

d) it can image a live cell

Ans. It can image a live cell

17) Cells were first discovered by

a ) Robert Hooke b) Robert Brown

c) Albrecht von Roelliker

Ans. Robert Hooke

19) Which one of them is not a postulate of cell theory

a ) all living organism are made up of cells

b) new cells arise from the division of pre-existing cells

c) cells are not the structural and functional unit of life

d ) cells contains the hereditary character

Ans. cells are not the structural and functional unit of life

20) Energy flow occurs in cells through the breakdown of carbohydrates by

a ) photosynthesis b) combustion c) both a and b d) respiration

Ans. Respiration

21) _______ cells have a proper nucleus and membrane bound organelles

a ) Eukaryotic b) Prokaryotic c) Stem d) Nerve

Ans. Eukaryotic

22) Identify the incorrect statement regarding eukaryotic cells

a ) they are unicellular or multicellular

b) golgi apparatus are present

c) there are no chromosomes

d) vacuoles are present

Ans. there are no chromosomes

23) Chloroplasts, chromoplasts and leucoplasts are example of

a ) ribosomes  b) plastids d) lysosome d) vacuoles

Ans. Plastids

24) Except one all other are true concerning plant cells

a ) nucleus is found in the middle

b ) vacuoles are large

c) they have a cell wall

d) that rarely contain centriole

Ans. nucleus is found in the middle

25) The cell wall have instant functions such as

a ) protection b) support c) structure d) all of the above

Ans. All of the above

26) Bacterial cell walls are composed of a sugar and amino acid called ______.

a )   glycan    b) peptidoglycan c) peptido d) none

Ans. Peptidoglycan

27) The openings in the cell wall are called _______.

a ) mouth b) cavity c) plasmodesmeta d) reticulate

Ans. Plasmodesmeta

28) Movement of substances across cell membranes is necessary

a ) for acquisition of oxygen and nutrients

b) excrete waste products

c) control the concentration of required substances

d) all of the above

Ans.  All of the above

29) Which one of them is not a mode of transport of materials between cells

a ) osmosis b) diffusion c) reverse osmosis d) active transport

Ans. Reverse osmosis

30) ______ is the movement of substances from a region of high concentration to low concentration.

a ) Diffusion b) Osmosis c) Facilitated Diffusion d) Active transport

Ans. Diffusion

31) Identify the true statement concerning osmosis

a ) it’s a passive process

b) it’s is vital to plant and animal cell survival

c) both a and b

d) only a

Ans. Both a and b

32) Osmosis in the kidneys keeps the _____ and ____ levels in the body and blood at the correct levels.

A ) water , salt  b) water , sugar

c) sugar , salt d) All

Ans. Water and salt

33) In biological system energy occurs in the form of

a) TTP b) ATP c) ADP  d) APP

Ans. ATP

34) The little structure that are present inside the cells are

a ) organ b) cell organs d) cell organisms d) cell organelles

Ans. Cell organelles

35) it’s the granular fluid located inside nucleus

a) protoplasm b) nucleoplasm c) cytoplasm d) xenoplasm

Ans. Nucleoplasm

36) It’s a site of aerobic respiration in the cell

a ) mitochondria b) golgi apparatus c) centrioles d) ribosomes

Ans. Mitochondria

37) Which statement holds true for mitochondria

a ) it’s found in only prokaryotic cells

b) there is just an outer membrane

c) anaerobic respiration takes place here

d) its called the power house of the cells

Ans. its called the power house of the cells

38) It is involved in the synthesis of lipids, including oils, phospholipids and steroids

a ) ribosomes b) Smooth Endoplasmic Reticulum

c) rough Endoplasmic Reticulum d) Golgi body

Ans. Smooth Endoplasmic Reticulum

39) Ribosomes are composed of RNA and _____.

a ) carbohydrates b) protein c) fats d) all of the above

Ans. Protein

40) It the site for protein synthesis in the cell

a ) Ribosomes b) nucleus c) chloroplast d) leucoplasts

Ans. Ribosomes

41)  Many vesicles are made in the _______ and _______.

a ) Golgi body, ribosomes  b) Golgi body, vacuoles

c) Golgi body, mitochondria d) Golgi body , endoplasmic reticulum

Ans. Golgi body , endoplasmic reticulum

42) This organelle has enzyme which can  digest the cell

a ) Vesicles  b) Lysosomes  c) Leucoplasts d) Plastids

Ans. Lysosomes

43) Ripened fruit , flowers and autumn leaves get their colour from

a ) starch b) glucose c) chromoplastd) pigments

Ans. Chromoplast

44) it’s the smallest cell

a) mycoplasmas b) Euglena c) fungi d) virus

Ans. Mycoplasmas

45) Bird eggs are bulky because

a) they contain large amount of nutrients

b) birds need to fly

c) no specific reason

d) body a and b

Ans. they contain large amount of nutrients

46) Select the mismatched

a ) Plastids → Storage of chemicals

b ) Centriole → Help in cell division

c ) Ribosomes → Synthesis of steroids

d )Mitochondria → Synthesis of ATP

Ans. Ribosomes → Synthesis of steroids

47) Trace the correct pathway of protein produce from protein  Factories

a ) RER → Ribosome → Golgi body → Lysosome

b ) Ribosomes → RER → Golgi body → Lysosome

c )Golgi body → RER → Ribosome → Lysosome

d ) RER → Ribosome → Lysosome → Golgi body

Ans RER → Ribosome → Golgi body → Lysosome

48) Secondary wall is made up of

a ) Pectin and cellulose b) Cellulose and protein

c ) Cellulose and lignin  d) Lignin and pectin

Ans.Cellulose and lignin

49) Which process allow movement in and out of cell

I.) Osmosis      II. Diffusion     III. Active transport

a ) I only     b) I and II only    c) II and III only    d) I, II and III

Ans. I , II and III

50) What is a function of the rough endoplasmic reticulum?

a ) Aerobic respiration b) Intracellular digestion

c ) Synthesis of steroids d) Synthesis of protein

Ans. Synthesis of protein

In case you are missed :- Next Chapter MCQ Questions