Biology The Cell MCQs Chapter 4 Class 11

Created on March 02, 2022 By Ali Durrani

Biology Ch 4 Class 11 THE CELL

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1 / 62

Tay Sach’s disease is caused by absence of enzyme required to breakdown ____________.

NUMS 2014
Biology
Cell Structure and Function
Elimination Tool:

A) Lipids

B) Glycogen

C) Glucose

D) Proteins

2 / 62

Lysosomes function in:

NTS 2011
Biology
Cell Structure and Function
Elimination Tool:

A) Protein synthesis

B) Processing

C) Intracellular digestion

D) Lipid synthesis

3 / 62

The basic structural framework of all types of membranes are:

NUMS 2020
Biology
Cell Structure and Function
Elimination Tool:

A) Phospholipids

B) Glycoproteins

C) Lipoproteins

D) Nucleoproteins

4 / 62

Spherical or tubular membranes which separate the material present in endoplasmic reticulum from that of cytoplasmic material are called

Cytosol

Cisternae

Polysomes

Cristae

5 / 62

Factory of ribosomal systhesis is

Cytoplasm

Nucleus

Nucleolus

Endoplasmic reticulum

6 / 62

Select the pair of organs, that contains a large number of mitochondria:

NUMS 2020
Biology
Cell Structure and Function
Elimination Tool:

A) Stomach & Liver

B) Muscle & Stomach

C) Heart & Liver

D) Liver & Muscle

7 / 62

Which of the following statement(s) is/are correct regarding a nucleus?

I.Stores wastes and other Substances

II.Contains genetic material

III.Helps in cellular transport system

IV.Control centre of the cell

NTS 2017
Biology
Cell Structure and Function
Elimination Tool:

A) I only

B) I&II

C) II & III

D) II & IV

8 / 62

Anthocyanins are various types of colorful pigments present in the:

NUMS 2014
Biology
Cell Structure and Function
Elimination Tool:

A) Chloroplasts

B) Chromoplasts

C) Leucoplasts

D) Vacuoles

9 / 62

Etioplasts found in plants are actually one of the types of:

NUMS 2015
Biology
Cell Structure and Function
Elimination Tool:

A) Chloroplasts

B) Chromoplasts

C) Leucoplasts

D) None of the given options

10 / 62

Strengthening material of prokaryotic cell wall is

Cellulose

Chitin

Inorganic salts silica waxes and ligin

Peptidoglycan or Murein.

11 / 62

The second most abundant bio element in the human body is:

NUMS 2020
Biology
Cell Structure and Function
Elimination Tool:

A) Oxygen

B) Carbon

C) Hydrogen

D) Nitrogen

12 / 62

_______ organelles are involved in the synthesis of the plant cell wall.

NUMS 2020
Biology
Cell Structure and Function
Elimination Tool:

A) Endoplasmic reticulum

B) Golgi complex

C) Lysosomes

D) Peroxisomes

13 / 62

Which of the following cell organelles involved in the synthesis of cell wall and middle lamella?

PMC 2020
Biology
Cell Structure and Function
Elimination Tool:

A) Endoplasmic reticulum

B) Golgi apparatus

C) Lysosomes

D) Peroxisomes

14 / 62

In which type of cells, cell wall is not present?

PMC 2020
Biology
Cell Structure and Function
Elimination Tool:

A) Plant cells

B) Fungal cells

C) Bacterial cells

D) Liver cells

15 / 62

Protein layers which are NOT continuous on the surface make ________ percent of total in plasma membrane.

NUMS 2019 Cancelled
Biology
Cell Structure and Function
Elimination Tool:

A) 50 – 60

B) 60 – 70

C) 60 – 80

D) 70 – 80

16 / 62

A group of cells performing same function are known as:

NUMS 2016
Biology
Cell Structure and Function
Elimination Tool:

A) Organelles

B) Tissues

C) A system

D) Both A and B

17 / 62

70S sized ribosomes are found in the cytoplasm of:

PMC 2020
Biology
Cell Structure and Function
Elimination Tool:

A) Algae

B) Fungi

C) Protozoans

D) Bacteria

18 / 62

Which of the following cells does not have nucleus?

NUMS 2020
Biology
Cell Structure and Function
Elimination Tool:

A) Muscle cell

B) Nerve cell

C) White Blood cell

D) Red Blood cell

19 / 62

Who opposed the idea the cell is an empty space bounded by thick wall?

Lorenz Oken

Schwann

Robert Brown

Rudolph Virchow

20 / 62

During digesting the phagocytosed food particles vesicles formed from fusion of phagocytic vacuole with the enzymes secreted by Golgi apparantus are called

Lysosomes

Primary lysosomes

Secondary lysosomes

Food vacuole

21 / 62

A group of ribosomes attached to mRNA is known as

Polymer

Polypeptide

Polysomes

Monomer

22 / 62

Lysosomes are also called:

NTS 2012
Biology
Cell Structure and Function
Elimination Tool:

A) Suicide Sacs

B) Chondriosome

C) Storage organelle

D) Dicytosome

23 / 62

Who first observed and thus hypothesized that new cells are formed from previously existing living cell?

Theodor Schwann and Schleiden

Rudolph Virchows

Louis Pasteur

Both b and c

24 / 62

Resolution power of a compound microscope is

2.0 ?m

2-4 A

24 ?m

24 A

25 / 62

Which type of movement through the cell membrane is not an energy-consuming process?

NUMS 2020
Biology
Cell Structure and Function
Elimination Tool:

A) Endocytosis

B) Exocytosis

C) Active transport

D) Osmosis

26 / 62

Which of the following is NOT a difference that would allow one to distinguish between a prokaryotic and a eukaryotic cell?

Presence of absence of the nucleus
Presence or absence of the cell wall
Membrane bound versus no membrane bound organelles
NTS 2013
Biology
Cell Structure and Function
Elimination Tool:

A) I only

B) II only

C) III only

D) I and II only

27 / 62

The smaller (40S) of ribosome combines with larger subunit (60S) in the presence of Mg2+ ion to form _____ particle.

NUMS 2015
Biology
Cell Structure and Function
Elimination Tool:

A) 100 S

B) 90 S

C) 80 S

D) 70 S

28 / 62

Autophagosomes are

Those lysosomes which eat parts of their own cells to generate energy.

Those lysosomes which eat old and worn out cellular organelles.

Lysosomes which help in extracellular digestion

Both a and b

29 / 62

Which of the following is NOT the function of cell membranes?

NTS 2018
Biology
Cell Structure and Function
Elimination Tool:

A) Protection of cytoplasm

B) Regulating the passage of different molecules

C) Protein synthesis

D) Cellular communication

30 / 62

Cellulose is the major component of

Primary wall

Secondary wall

Middle lamella

all of the above

31 / 62

Which property of water helps to maintain the integrity of lipid-containing membranes?

PMC 2020
Biology
Cell Structure and Function
Elimination Tool:

A) Specific Heat Capacity

B) Hydrogen Bonding

C) Cohesion and Adhesion

D) Hydrophobic exclusion

32 / 62

Which among the following sentence is not correct about the organelles?

NUMS 2019 Reconduct
Biology
Cell Structure and Function
Elimination Tool:

A) They are found in all Eukaryotic cells.

B) They are only found in multicellular organisms.

C) They coordinate to produce the cell.

D) They are small sized and mostly internal.

33 / 62

Magnifying power of electron microscope as compared to eye is

500 X

250000X

500000X

250X

34 / 62

In which model do proteins float in membrane-like iceberg in sea:

NTS 2010
Biology
Cell Structure and Function
Elimination Tool:

A) Lock and key model.

B) Induced fit model.

C) Fluid mosaic model.

D) Lotka volterra model.

35 / 62

Which of the statement about cell membrane is not true?

It contains protein molecules embedded in lipid bilayer

It is a differentially permeable membrane.

It contains charged pores thus ions being charged particles cross cell membrance much easier than neutral particles.

It may get infolded to engulf solid or liquid material.

36 / 62

60S and 40S subunit combine to form ______ particle

100 S

90 S

80 S

70 S

37 / 62

_______ is involved in lipid synthesis/metabolism.

NUMS 2020
Biology
Cell Structure and Function
Elimination Tool:

A) Smooth endoplasmic reticulum

B) Rough endoplasmic reticulum

C) Mitochondria

D) Vacuoles

38 / 62

What is the role of cholesterol in the cell membrane?

NUMS 2020
Biology
Cell Structure and Function
Elimination Tool:

A) it functions in joining adjacent cells together.

B) It functions in recognizing foreign cells.

C) It increases the rate of transport of ions across the membrane.

D) It stabilizes the cell membrane.

39 / 62

The following are all features of eukaryotic cells:

I. chloroplast

II. peroxisome

III. lysosome

IV. mitochondrion

v. nucleus

Which of these have a double membrane?

NTS 2014
Biology
Cell Structure and Function
Elimination Tool:

A) I, II and IV

B) I, III and V

C) I, IV and V

D) II, III and V

40 / 62

The most abundant organic compounds in a mammalian cell are:

NUMS 2020
Biology
Cell Structure and Function
Elimination Tool:

A) Water

B) Lipids

C) Carbohydrates

D) Proteins

41 / 62

In a typical compound microscope the resolution is 2 μm. Which is about _____ that of naked eye.

NUMS 2019 Reconduct
Biology
Cell Structure and Function
Elimination Tool:

A) 100 x

B) 300 x

C) 400 x

D) 500 x

42 / 62

Which of the following offers an active barrier between the cell content and their environment by allowing only selective substances to pass through it?

NUMS 2019 Reconduct
Biology
Cell Structure and Function
Elimination Tool:

A) Cell wall

B) Plasma membrane

C) Nuclear membrane

D) Vacuole

43 / 62

Detoxification of drugs is the function of _____ in a cell.

NUMS 2016
Biology
Cell Structure and Function
Elimination Tool:

A) R.E.R

B) S.E.R

C) Liver cells

D) Lysosome

44 / 62

Which one of the following organelles is required for aerobic respiration?

NTS 2018
Biology
Cell Structure and Function
Elimination Tool:

A) Nucleus

B) Mitochondrion

C) Endoplasmic reticulum

D) Plastids

45 / 62

Chief material present in the cell wall of plants, fungal, and prokaryotic cells is:

NUMS 2020
Biology
Cell Structure and Function
Elimination Tool:

A) Proteins

B) Lipids

C) Polysaccharides

D) Phospholipids

46 / 62

The first layer of cell wall which is formed is:

Primary wall

Secondary wall

Middle lamella

All of these

47 / 62

Tissue is a

PMC 2020
Biology
Cell Structure and Function
Elimination Tool:

A) group of cells

B) group of organs

C) group of tissues

D) group of organisms

48 / 62

The process of membrane fusion and the movement of material out of the cell, is called:

NTS 2016 SMBBMC
Biology
Cell Structure and Function
Elimination Tool:

A) Phagocytosis

B) Endocytosis

C) Pinocytosis

D) Exocytosis

49 / 62

Fibers of the extracellular matrix are attached to ______ in the plasma membrane:

NUMS 2020
Biology
Cell Structure and Function
Elimination Tool:

A) Phospholipids

B) Carbohydrates

C) Glycolipids

D) Proteins

50 / 62

Percentage of proteins in cell membrane is

20-40%

40-50%

60-80%

80-100%

51 / 62

Which of the following are related to the synthesis of excretory protein by the cell?

NUMS 2019 Cancelled
Biology
Cell Structure and Function
Elimination Tool:

A) Cell membranes

B) Rough Endoplasmic Reticulum

C) Smooth Endoplasmic Reticulum

D) Centrioles

52 / 62

In cell fractionation various components of cells including its organelles can be isolated in different layers depending upon:

Their physical properties like size & weight.

Physical properties of the medium like its density.

Their electrical properties like their charges

Both a and b

53 / 62

Whone is not the function of endoplasmic reticulum?

Nerve impulse conduction

Transport of material

Mechanical support

Synthesis of conjugated molecules

54 / 62

The cell membrane surrounds the:

NUMS 2016
Biology
Cell Structure and Function
Elimination Tool:

A) Nucleoplasm

B) Cell wall

C) Protoplasm

D) None of the above

55 / 62

Which one of the following combinations is NOT the part of an animal cell?

NUMS 2019 Reconduct
Biology
Cell Structure and Function
Elimination Tool:

A) Central vacuole, Cell Membrane, Ribosomes

B) Chloroplast, Ribosome , Mitochondrion

C) Cell wall, Chloroplast, Central vacuole

D) Ribosome, Mitochondrion, Cell wall

56 / 62

Pancreas produces secretory granules that help in digestion. These granules after passing through endoplasmic reticulum are pinched off from ______ surface of Golgi apparatus:

Forming face

Maturating face

Any of them

None of these

57 / 62

It is the non living component of the cell, it is secreted and maintained by the living portion of the cell and is found only in plants. What is this structure?

NTS 2015 SMBBMC
Biology
Cell Structure and Function
Elimination Tool:

A) Golgi apparatus

B) lysosome

C) mitochondrion

D) cell wall

58 / 62

Movement of the material across the cell membrane which does not requiring expenditure of metabolic energy is called

Active transport

Passive transport

Co-transport

Counter transport

59 / 62

Who coined the term CELL?

Schwann

Schleiden

Robert Hook

Both a and b

60 / 62

Suggest which among the following is not a function attributed to endoplasmic reticulum?

PMC 2020
Biology
Cell Structure and Function
Elimination Tool:

A) Detoxification of poisons and drugs

B) Digestion/egestion of foreign materials outside the cell

C) Manufacture of fat and lipid molecules

D) Biogenesis of membrane proteins

61 / 62

Which of the following is not a basic unit of the cell?

NUMS 2016
Biology
Cell Structure and Function
Elimination Tool:

A) Cell wall

B) Cell membrane

C) Nucleus

D) Ribosome

62 / 62

DNA is found in which of the following structures?

NUMS 2016
Biology
Cell Structure and Function
Elimination Tool:

A) Golgi complex

B) Lysosomes

C) Mitochondria

D) Ribosomes

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Biology The Cell MCQs Chapter 4 Class 11

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