MCQ Question for Class 11 Biology Chapter 8 Cell: The Unit of Life

Students can refer to the following Cell the Unit of Life Class 11 MCQ Questions with Answers provided below based on the latest curriculum and examination pattern issued by CBSE and NCERT. Our teachers have provided here collection of multiple choice questions for Chapter 1 Cell: The Unit of Life Class 11 Biology covering all topics in your textbook so that students can assess themselves on all important topics and thoroughly prepare for their exams

Cell the Unit of Life Class 11 MCQ Questions with Answers

We have provided below MCQs questions for Class 11 Cell: The Unit of Life with answers which will help the students to go through the entire syllabus and practice multiple choice questions provided here with solutions. As MCQ Questions for Class 11 Biology pdf download can be really scoring for students, you should go through all problems provided below so that you are able to get more marks in your exams.

Cell the Unit of Life Class 11 MCQ Questions

Question. A major breakthrough in the studies of cells came with the development of electron microscope. This is because             
(a) the electron microscope is more powerful than the light microscope as it uses a beam of electrons which has wavelength much longer than that of photons
(b) the resolving power of the electron microscope is much higher than that of the light microscope
(c) the resolving power of the electron microscope is 200 – 350 nm as compared to 0.1 – 0.2 nm for the light microscope
(d) electron beam can pass through thick materials, whereas light microscopy requires thin sections.

Question. A student wishes to study the cell structure under a light microscope having 10X eyepiece and 45X objective. He should illuminate the object by which one of the following colours of  ight so as to get the best possible resolution?             
(a) Blue
(b) Green
(c) Yellow
(d) Red

Question. Electron microscope has a high resolution power. This is due to             
(a) electromagnetic lenses
(b) very low wavelength of electron beam
(c) low wavelength of light source used
(d) high numerical aperture of glass lenses used

Question. Magnification of compound microscope is not connected with             
(a) numerical aperture
(b) focal length of objective
(c) focal length of eye piece
(d) tube length.

Question. The concept of “Omnis cellula-e-cellula” regarding cell division was first proposed by             
(a) Aristotle
(b) Rudolf Virchow
(c) Theodore Schwann
(d) Schleiden.

Question. Which is correct about cell theory in view of current status of our knowledge about cell structure?           
(a) It needs modification due to discovery of subcellular structures like chloroplasts and mitochondria.
(b) Modified cell theory means that all living being are composed of cells capable of reproducing.
(c) Cell theory does not hold good because all living beings (e.g., viruses) do not have cellular organisation.
(d) Cell theory means that all living objects consists of cells whether or not capable of reproducing.

Question. Names of Schleiden and Schwann are associated with             
(a) protoplasm as the physical basis of life
(b) cell theory
(c) theory of cell lineage
(d) nucleus functions as control centre of cell

Question. Angstrom (Å) is equal to             
(a) 0.01 mm
(b) 0.001 mm
(c) 0.0001 mm
(d) 0.00001 mm.

Question. Organelles can be separated from cell homogenate through             
(a) chromatography (b) X-rays diffraction
(c) differential centrifugation
(d) auto-radiography.

Question. Which of the following statements about inclusion bodies is incorrect?             
(a) They are not bound by any membrane.
(b) These are involved in ingestion of food particles.
(c) They lie free in the cytoplasm.
(d) These represent reserve material in cytoplasm.

Question. Select the wrong statement.             
(a) Bacterial cell wall is made up of peptidoglycan.
(b) Pili and fimbriae are mainly involved in motility of bacterial cells.
(c) Cyanobacteria lack flagellated cells.
(d) Mycoplasma is a wall-less microorganism.

Question. Which of the following structures is not found in a prokaryotic cell?       
(a) Mesosome
(b) Plasma membrane
(c) Nuclear envelope
(d) Ribosome 

Question. The structures that help some bacteria to attach to rocks and/or host tissues are         
(a) mesosomes
(b) holdfast
(c) rhizoids
(d) fimbriae. 

Question. Which one of the following is not an inclusion body found in prokaryotes?             
(a) Glycogen granule
(b) Polysome
(c) Phosphate granule
(d) Cyanophycean granule 

Question. Which structures perform the function of mitochondria in bacteria?           
(a) Nucleoid
(b) Ribosomes
(c) Cell wall
(d) Mesosomes

Question. The motile bacteria are able to move by             
(a) fimbriae
(b) flagella
(c) cilia
(d) pili.

Question. Why is a capsule advantageous to a bacterium?             
(a) It protects the bacterium from desiccation.
(b) It provides means of locomotion.
(c) It allows bacterium to “hide” from host’s immune system.
(d) It allows the bacterium to attach to the surface.

Question. The term ‘glycocalyx’ is used for                 
(a) a layer present between cell wall and membrane of bacteria
(b) cell wall of bacteria
(c) bacterial cell glyco-engineered to possess N-glycosylated proteins
(d) a layer surrounding the cell wall of bacteria.

Question. Chromosomes in a bacterial cell can be 1 – 3 in number and               
(a) are always circular
(b) are always linear
(c) can be either circular or linear, but never both within the same cell                   
(d) can be circular as well as linear within the same cell.

Question. Photosynthetic bacteria have pigments in               
(a) chromoplasts
(b) chromatophores
(c) leucoplasts
(d) chloroplasts

Question. The site of respiration in bacteria is                 
(a) ribosome
(b) microsome
(c) episome
(d) mesosome

Question. Which is the important site of formation of glycoproteins and glycolipids in eukaryotic cells?             
(a) Endoplasmic reticulum
(b) Peroxisomes
(c) Golgi bodies
(d) Polysomes           

Question. Which of the following statements is not correct?                         
(a) Lysosomes are formed by the process of packaging in the endoplasmic reticulum.
(b) Lysosomes have numerous hydrolytic enzymes.
(c) The hydrolytic enzymes of lysosomes are active under acidic pH.
(d) Lysosomes are membrane-bound structures.

Question. Which of the following statements regarding mitochondria is incorrect?           
(a) Mitochondrial matrix contains single circular DNA molecule and ribosomes.
(b) Outer membrane is permeable to monomers of carbohydrates, fats and proteins.
(c) Enzymes of electron transport are embedded in outer membrane.
(d) Inner membrane is convoluted with infoldings.

Question. The shorter and longer arms of a submetacentric chromosome are referred to as                
(a) m-arm and n-arm respectively
(b) s-arm and l-arm respectively
(c) p-arm and q-arm respectively
(d) q-arm and p-arm respectively.

Question. Which of the following pairs of organelles does not  contain DNA?         
(a) Nuclear envelope and Mitochondria
(b) Mitochondria and Lysosome
(c) Chloroplast and Vacuoles
(d) Lysosomes and Vacuoles 

Question. Match the column I with column II.           
  Column-I                           Column-II
A. Golgi apparatus              (i) Synthesis of protein
B. Lysosomes                     (ii) Trap waste and excretory products
C. Vacuoles                        (iii) Formation of glycoproteins and glycolipids
D. Ribosomes                     (iv) Digesting biomolecules Choose the right match from options given below.
(a) A-(iii), B-(iv), C-(ii), D-(i)
(b) A-(iv), B-(iii), C-(i), D-(ii)
(c) A-(iii), B-(ii), C-(iv), D-(i)
(d) A-(i), B-(ii), C-(iv), D-(iii)

Question. Which of the following is true for nucleolus?             
(a) Larger nucleoli are present in dividing cells.
(b) It is a membrane-bound structure.
(c) It takes part in spindle formation.
(d) It is a site for active ribosomal RNA synthesis.

Question. The Golgi complex participates in             
(a) fatty acid breakdown
(b) formation of secretory vesicles
(c) respiration in bacteria
(d) activation of amino acid. 

Question. Which of the following events does not occur in rough endoplasmic reticulum?             
(a) Protein folding
(b) Protein glycosylation
(c) Cleavage of signal peptide
(d) Phospholipid synthesis 

Question. Select the incorrect match.             
(a) Lampbrush – Diplotene bivalents chromosomes
(b) Allosomes – Sex chromosomes
(c) Sub-metacentric – L-shaped chromosomes chromosomes
(d) Polytene – Oocytes of chromosomes amphibians 

Question. Which of the following cell organelles is responsible for extracting energy from carbohydrates to form ATP?             
(a) Ribosome
(b) Chloroplast
(c) Mitochondrion
(d) Lysosome

Question. Select the mismatch.             
(a) Gas vacuoles – Green bacteria
(b) Large central vacuoles – Animal cells
(c) Protists – Eukaryotes
(d) Methanogens – Prokaryotes 

Question. A cell organelle containing hydrolytic enzymes is           
(a) lysosome
(b) microsome
(c) ribosome
(d) mesosome.

Question. Mitochondria and chloroplast are (A) semi-autonomous organelles (B) formed by division of pre-existing organelles and they contain DNA but lack protein synthesisingmachinery.  Which one of the following options is correct?               
(a) (A) is true but (B) is false.
(b) Both (A) and (B) are false.
(c) Both (A) and (B) are correct.
(d) (B) is true but (A) is false. 

Question. Microtubules are the constituents of             
(a) centrioles, spindle fibres and chromatin
(b) centrosome, nucleosome and centrioles
(c) cilia, flagella and peroxisomes
(d) spindle fibres, centrioles and cilia.

Question. Which one of the following cell organelles is enclosed by a single membrane?           
(a) Lysosomes
(b) Nuclei
(c) Mitochondria
(d) Chloroplasts

Question. Water soluble pigments found in plant cell vacuoles are                 
(a) carotenoids
(b) anthocyanins
(c) xanthophylls
(d) chlorophylls.

Question. Match the columns and identify the correct option.                 
     Column I                   Column II
     A. Thylakoids             (i) Disc-shaped sacs in Golgi apparatus
     B. Cristae                  (ii) Condensed structure of DNA
     C. Cisternae              (iii) Flat membranous sacs in stroma
     D. Chromatin             (iv) Infoldings in mitochondria
(a) A-(iii), B-(i), C-(iv), D-(ii)
(b) A-(iii), B-(iv), C-(ii), D-(i)
(c) A-(iv), B-(iii), C-(i), D-(ii)
(d) A-(iii), B-(iv), C-(i), D-(ii)

Question. Cellular organelles with membranes are           
(a) endoplasmic reticulum, ribosomes and nuclei
(b) lysosomes, Golgi apparatus and mitochondria
(c) nuclei, ribosomes and mitochondria
(d) chromosomes, ribosomes and endoplasmic reticulum.

Our teachers have developed really good Multiple Choice Questions covering all important topics in each chapter which are expected to come in upcoming tests and exams, as MCQs are coming in all exams now therefore practice them carefully to get full understanding of topics and get good marks. Download the latest questions with multiple choice answers for Class 11 Cell: The Unit of Life in pdf or read online for free.

The above NCERT based MCQs for Class 11 Cell: The Unit of Life have been designed by our teachers in such a way that it will help you a lot to gain an understanding of each topic. These CBSE NCERT Class 11 Cell: The Unit of Life Multiple Choice Questions have been developed and are available free for benefit of Class 11 students.

Advantages of Cell the Unit of Life Class 11 MCQ Questions with Answers

a) Cell the Unit of Life Class 11 MCQ Questions will help the kids to strengthen concepts and improve marks in tests and exams.

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c) Regular reading topic wise questions with choices will for sure develop very good hold over each chapter which will help in exam preparations.

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