Find here the NCERT chapter-wise Multiple Choice Questions from Class 11 Biology Book Chapter Cell: The Unit of Life with Answers Pdf free download. 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 Cell: The Unit of Life. 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.
NCERT Chapters for Class 11 Biology
Q1. The interphase nucleus is enclosed in
(i) a porous double membrane
(ii) a non-porous single membrane
(iii) a porous double membrane
(iv) many membranes
(iii) A porous double membrane.
Q2. Which one of the following also acts as a catalyst in a bacterial cell?
(i) 23 sr RNA
(ii) 5 sr RNA
(iii) sn RNA
(iv) hn RNA
(i) 23 sr RNA
Q3. The structure of plasma membrane fluid mosaic model is proposed by
(i) Gram
(ii) Singer and Nicolson
(iii) Schwann and Schleiden
(iv) Robert brown
(ii) Singer and Nicolson
Q4. The nucleolus is the site of formation of
(i) ribosomes
(ii) spindle fibres
(iii) chromosomes
(iv) peroxisomes
(i) ribosomes
Q5. Addition of the new cell wall material in the existing one is
(i) Deposition
(ii) Aggregation
(iii) Intussusception
(iv) apposition
(iii) Intussusception.
Q6. The term Cell was given by-
(i) Leeuwenhoek
(ii) Robert hooke
(iii) Flemming
(iv) Robert Brown
(ii) Robert hooke
Q7. The stacks of closely packed thylakoids is called
(i) Lumen
(ii) Matrix
(iii) Stroma
(iv) Granum
(iv) Granum
Q8. Which of the following cell organelle remains enveloped by a single unit membrane?
(i) Lysosomes
(ii) Chloroplast
(iii) Mitochondria
(iv) Nucleus
(i) Lysosomes
Q9. Tonoplast, a differentially permeable membrane, surround the
(i) nucleus
(ii) Cytoplasm
(iii) Lysosomes
(iv) Vacuole
(iv) Vacuole.
Q10. Plasmolysis occurs due to-
(i) Absorption
(ii) Endosmosis
(iii) Osmosis
(iv) Exosmosis
(iv) Exosmosis
Q11.Which ion holds the ribosomal subunits together
(i) Ca+2
(ii) Mn+2
(iii) Mg+2
(iv) Na+
(iii) Mg+2
Q12. The cell organelle involved in glycosylation of protein is
(i) endoplasmic reticulum
(ii) mitochondria
(iii) peroxisome
(iv) ribosome
(i) endoplasmic reticulum
Q13. Ribosomes were discovered by
(i) Golgi
(ii) Porter
(iii) Robertis
(iv) Palade
(iv) Palade.
Q14. Bacterial flagella is made up of
(i) tubulin
(ii) flagellin
(iii) chitin
(iv) None of these
(ii) flagellin
Q15. Largest organelles in cell is
(i) Golgi bodies
(ii) Lysosomes
(iii) Centrioles in animals and plastids in plant cell
(iv) Mitochondria in animal cell and chloroplast in plant cell
(iv) Mitochondria in animal cell and chloroplast in plant cell
Q16. The cell as a basic unit of structure of living beings was discovered by
(i) Schleiden and Schwann
(ii) Gregore Mendel
(iii) Robert Hooke
(iv) Aristotle
(i) Schleiden and Schwann
Q17. Aerobic respiration is performed by
(i) glyoxisome
(ii) lysosomes
(iii) mitochondria
(iv) stalked discs.
(iii) Mitochondria.
Q18. Plasma membrane is
(i) impermeable
(ii) semi-permeable
(iii) completely permeable
(iv) differentially permeable
(ii) semi-permeable
Q19. Cell wall is absent in:
(i) Funaria
(ii) Mycoplasma
(iii) Nostoc
(iv) Aspergillus
(ii) Mycoplasma
Q20. Smooth endoplasmic reticulum is well developed in the cells which synthesize
(i) steorids
(ii) carbohydrates
(iii) proteins
(iv) all of these
(i) steorids
Q21. The cell wall of certain fungi is made of
(i) lignin
(ii) pectin
(iii) suberin
(iv) chitin
(iv) Chitin
Q22. Which of the following does not have cell wall?
(i) Mycoplasma
(ii) Bacteria
(iii) PPLO
(iv) Blue green algae
(i) Mycoplasma
Q23. How much percent of vacuoles occupy the volume of the cell in plant cells?
(i) 80%
(ii) 90%
(iii) 50%
(iv) 70%
(ii) 90%
Q24. Quasi-fluid nature of membrane is due to
(i) Phospholipid
(ii) Peripheral protein
(iii) Integral protein
(iv) Sugar moiety
(i) Phospholipid
Q25. Plastids which store fats and oils are called:-
(i) Aleuroplast
(ii) Amyloplast
(iii) Etioplast
(iv) Elaioplast
(iv) Elaioplast
Q26. Fluid mosaic model of cell membrane was proposed by
(i) Singer and Nicholson
(ii) waston and crick
(iii) Robertson
(iv) danielli and davson
(iii) Robertson.
Q27. Centrosome is found in-
(i) Cytoplasm
(ii) Nucleus
(iii) Chromosomes
(iv) Nucleolus
(i) Cytoplasm
Q28. Longest cell in human body are
(i) Muscle cell
(ii) Nerve cells
(iii) Blood cells
(iv) Mast cells
(ii) Nerve cells
Q29. Which of the following feature is not associated with centrosome?
(i) Lipid bilayer covering
(ii) Two centriole
(iii) Two cylindrical structures
(iv) Pericentriolar material
(i) Lipid bilayer covering
Q30. A membrahe covering
(i) Mitochondrion
(ii) nucleolus
(iii) Plastid
(iv) Lysosome
(ii) Nucleolus.
Q31. The main site for synthesis of lipids is
(i) vacuoles
(ii) RER
(iii) SER
(iv) Golgi body
(iii) SER
Q32. 16. Which is not true about sphaerosomes :-
(i) Involved in photorespiration
(ii) Arise from E.R.
(iii) Related to fat metbolism
(iv) Single membane bound
(i) Involved in photorespiration
Q33. Aleuroplasts, amyloplasts and elaioplasts
(i) Store protein, starch and fat respectively
(ii) Help in photolysis of water
(iii) Store reserve food and pigments
(iv) Divide by multiple fission
(i) Store protein, starch and fat respectively
Q34. The organelle regarded a sugar factory in an autotrophic eukaryotic cell is
(i) Mitochondrion
(ii) Ribosome
(iii) Chloroplast
(iv) Endoplasmic reticulum.
(iii) Chloroplast.
Q35. Cell secretion is done by-
(i) Plastids
(ii) ER
(iii) Golgi apparatus
(iv) Nucleolus
(iii) Golgi apparatus
Q36. Cytoskeleton is made of
(i) Cellulose microfibrils
(ii) Protienaceous filaments
(iii) Callose deposit
(iv) Calcium carbonate granules
(ii) Protienaceous filaments
Q37. Plasma membrane is made up of
(i) proteins and carbohydrates
(ii) proteins and lipids
(iii) proteins, lipids and carbohydrates
(iv) proteins, some nucleic acid and lipids
(iii) proteins, lipids and carbohydrates
Q38. Smallest unit in cell wall is
(i) Middle lamella
(ii) Microfibil
(iii) Micelle
(iv) Fibril
(iii) Micelle.
Class 11 Biology MCQs Multiple Choice Questions with Answers
- Chapter 1: The Living World Class 11 MCQ Questions
- Chapter 2: Biological Classification Class 11 MCQ Questions
- Chapter 3: Plant Kingdom Class 11 MCQ Questions
- Chapter 4: Animal Kingdom Class 11 MCQ Questions
- Chapter 5: Morphology of Flowering Plants Class 11 MCQ Questions
- Chapter 6: Anatomy of Flowering Plants Class 11 MCQ Questions
- Chapter 7: Structural Organisation in Animals Class 11 MCQ Questions
- Chapter 8: Cell: The Unit of Life Class 11 MCQ Questions
- Chapter 9: Biomolecules Class 11 MCQ Questions
- Chapter 10: Cell Cycle and Cell Division Class 11 MCQ Questions
- Chapter 11: Transport in Plants Class 11 MCQ Questions
- Chapter 12: Mineral Nutrition Class 11 MCQ Questions
- Chapter13 : Photosynthesis in Higher Plants Class 11 MCQ Questions
- Chapter 14: Respiration in Plants Class 11 MCQ Questions
- Chapter 15: Plant Growth and Development Class 11 MCQ Questions
- Chapter 16: Digestion and Absorption Class 11 MCQ Questions
- Chapter 17: Breathing and Exchange of Gases Class 11 MCQ Questions
- Chapter 18: Body Fluids and Circulation Class 11 MCQ Questions
- Chapter 19: Excretory Products and their Elimination Class 11 MCQ Questions
- Chapter 20: Locomotion and Movement Class 11 MCQ Questions
- Chapter 21: Neural Control and Coordination Class 11 MCQ Questions
- Chapter 22: Chemical Coordination and Integration Class 11 MCQ Questions
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