MCQ Questions for Class 11 Biology Chapter 8 Cell: The Unit of Life with Answers

MCQ Questions for Class 11 Biology Chapter 8 Cell: The Unit of Life with Answers

Check the below NCERT MCQ Questions for Class 11 Biology Chapter 8 Cell: The Unit of Life with Answers Pdf free download. MCQ Questions for Class 11 Biology with Answers were prepared based on the latest exam pattern. We have provided Cell: The Unit of Life Class 11 Biology MCQs Questions with Answers to help students understand the concept very well.


Q1. The plasma membrane consists mainly of

(a) Proteins embedded in a polymer of glucose molecules
(b) Proteins embedded in a phospholipids layer
(c) Proteins embedded in a glucose molecules
(d) Proteins embedded in a carbohydrate bilayer

(b) Proteins embedded in a phospholipids layer


Q2. Peroxysomes contain:

(a) Hydrolytic enzyme
(b) Transferase
(c) Isomerase
(d) Oxidising enzyme (Oxidase)

(d) Oxidising enzyme (Oxidase)


Q3. Which ion holds the ribosomal subunits together

(a) Ca+2
(b) Mn+2
(c) Mg+2
(d) Na+

(c) Mg+2


Q4. The stacks of closely packed thylakoids is called

(a) Lumen
(b) Matrix
(c) Stroma
(d) Granum

(d) Granum


Q5. The structure of plasma membrane fluid mosaic model is proposed by

(a) Gram
(b) Singer and Nicolson
(c) Schwann and Schleiden
(d) Robert brown

(b) Singer and Nicolson


Q6. Factory of ribosome in a cell is:

(a) Endoplasmic reticulum
(b) Nucleolus
(c) Mitochondria
(d) Golgi body

(b) Nucleolus


Q7. The photograph or diagram of metaphasicchromosome arranged in homologous pair according to their length and thickness, position of centromere is called

(a) Karyogram
(b) Chromogram
(c) Idiogram
(d) None of these

(c) Idiogram


Q8. Largest organelles in cell is

(a) Golgi bodies
(b) Lysosomes
(c) Centrioles in animals and plastids in plant cell
(d) Mitochondria in animal cell and chloroplast in plant cell

(d) Mitochondria in animal cell and chloroplast in plant cell


Q9. Tubulin occurs in

(a) Plasma membrane
(b) Golgi bodies
(c) Cilia and flagella
(d) All the above

(c) Cilia and flagella


Q10. Cell wall is absent in:

(a) Funaria
(b) Mycoplasma
(c) Nostoc
(d) Aspergillus

(b) Mycoplasma


Q11. The eukaryotic ribosomes are of

(a) 50S
(b) 30S
(c) 80S
(d) 70S

(c) 80S


Q12. How much percent of vacuoles occupy the volume of the cell in plant cells?

(a) 80%
(b) 90%
(c) 50%
(d) 70%

(b) 90%


Q13. Longest cell in human body are

(a) Muscle cell
(b) Nerve cells
(c) Blood cells
(d) Mast cells

(b) Nerve cells


Q14. Cellular organelles with membranes are:

(a) Chromosomes, ribosomes and endoplasmic reticulum
(b) The endoplasmic reticulum, ribosomes, and nuclei
(c) Lysosomes, Golgi apparatus and mitochondria
(d) Nuclei, ribosomes and mitochondria

(c) Lysosomes, Golgi apparatus and mitochondria


Q15. Which is called Suicidal Bag?

(a) Centrosome
(b) Lysosome
(c) Mesosome
(d) Chromosome

(b) Lysosome


Q16. A nucleosome is a portion of the chromonema containing __.

(a) both DNA and histones
(b) only histones
(c) both DNA and RNA
(d) only DNA

(a) both DNA and histones


Q17. The largest cell in the human body is-

(a) Nerve cell
(b) Muscle cell
(c) Liver cell
(d) Kidney cell

(a) Nerve cell


Q18. Keeping in view the fluid mosaic model for the structure of cell membrane, which one of the following statements is correct with respect to the movement of lipids and proteins from one lipid monolayer to the other (described as flip-flop movement)?

(a) Neither lipids, nor proteins can flip-flop
(b) Both lipids and proteins can flip-flop
(c) While lipids can rarely flip-flop, proteins can not
(d) While proteins can flip-flop, lipids can not

(c) While lipids can rarely flip-flop, proteins can not


Q19. Cell secretion is done by-

(a) Plastids
(b) ER
(c) Golgi apparatus
(d) Nucleolus

(c) Golgi apparatus


Q20. _ increases the surface area for mitochondrial activity.

(a) Inner membrane
(b) Inter membrane space
(c) Matrix
(d) Cristae

(d) Cristae


Q21. The nucleus was first described by

(a) Schwann
(b) Flemming
(c) Palade
(d) Robert brown

(d) Robert brown


Q22. Which of the following statements is true for a secretory cell?

(a) Golgi apparatus is absent
(b) Only Smooth Endoplasmic Reticulum (SER) is present
(c) Rough Endoplasmic Reticulum (RER) is easily observed in the cell
(d) Secretory granules are formed in nucleus

(c) Rough Endoplasmic Reticulum (RER) is easily observed in the cell


MCQ Questions for Class 11 Biology with Answers Chapter Wise


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