Biology The Variety of Life MCQs Chapter 5 Class 11

The Variety of Life in Biology for Entry Tests and FSC Board Exams

The Variety of Life is an essential topic in Biology, covering the diversity and classification of living organisms. It is crucial for students preparing for MDCAT, NUMS, AKU, NUST, UET, ECAT, and FSC board exams (First Year & Second Year). This topic includes taxonomy, classification of plants and animals, characteristics of different kingdoms, and evolutionary relationships, which form a significant part of both board and competitive exams.

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Created on March 02, 2022 By Ali Durrani

Biology Ch 5 Class 11 THE VARIETY OF LIFE

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1 / 69

The long chains of HIV-proteins are cut down by proteases enzyme of ______.

PMC Sample 2
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) HIV virus

B) Host proteases

C) Both viral and host proteases

D) None of these options is correct

2 / 69

The name Bacteriophage was coined by:

Charles Chamberland

Ivanowski

Twort

D Herelle

3 / 69

DNA or RNA of viruses is enclosed in ______ coat:

Protein

Carbohydrate

Lipid

DNA

4 / 69

The genome of viruses is composed of

NTS 2019
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) DNA

B) RNA

C) Protien

D) Both A and B

5 / 69

Eukaryotic, multicellular, and consumers belong to ______ kingdom.

NUMS 2017
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) Monera

B) Protista

C) Fungi

D) Animalia

6 / 69

The word virus is derived from Latin word venome meaning

Sweet fluid

Sore Fluid

Poisonous Fluid

Salty Fluid

7 / 69

Which of the following is derived from Latin word VENUME which means poisonous?

NUMS 2018
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) Bacteria

B) Fungi

C) Virus

D) Malaria

8 / 69

Other name for Kingdom monera is:

Protoctista

Prokaryotae

Archae

None of these

9 / 69

Vaccine Was discovered by :

Louis Pasteur

Edward Jennar

Ivanowski

Stanely

10 / 69

Which of the following is NOT TRUE about Human Immunodeficiency virus (HIV)?

PMC 2020
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) It is a retrovirus

B) It is surrounded by an envelope

C) It does not cause AIDS

D) It causes deficiency of the human immune system

11 / 69

Which of the following is not true for retroviruses?

NUMS 2014
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) They are cuboidal in shape

B) They are enveloped by host plasma membrane

C) They have enzyme reverse transcriptase

D) All of them are not specific

12 / 69

Mark the one Kingdom having the most conspicuous living organisms?

NTS 2018
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) Monera

B) Protista

C) Animalia

D) Plantae

13 / 69

Those organisms which can prepare their own food from simple inorganic material and can store energy are called

Autotrophs

Heterotrophs

Procariotique

Eu-cariotique

14 / 69

Organisms of which of the following kingdom have absorptive mode of nutrition:

Prokaryotae

Protoctista

Animalia

Fungi

15 / 69

Which of the following category is most general with its members lest resembling with each other than the other categries:

Species

Genus

Family

Order

16 / 69

Numerous opportunistic diseases might attack a person suffering from which of the following diseases?

NUMS 2020
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) Measles

B) Influenza

C) Hepatitis A

D) AIDS

17 / 69

Where can viruses replicate?

PMC Sample 1
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) Animals

B) Plants

C) Bacteria

D) All of these options are correct

18 / 69

The size of poxvirus is:

20 nm

200 nm

250 nm

300 nm

19 / 69

Viruses resemble living things because they:

NTS 2017
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) Circulate

B) Move

C) Reproduce

D) Are crystalline

20 / 69

The social organization of howling monkeys was studied by:

NUMS 2014
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) Allen

B) Thorpe

C) Schjeldeup ebbe

D) Carpenter

21 / 69

Numerous opportunist diseases might attack people suffering from the following diseases?

PMC 2020
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) Measles

B) Influenza

C) Hepatitis A

D) AIDS

22 / 69

Which one of the following is NOT a mode of transmission of AIDS?

NTS 2019
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) Through unsterilized needles

B) Through contact with open wounds

D) Through holding hands

C) Through blood transfusion

23 / 69

Which of the following are composed of proteins only which contain the information that codes for their own replication?

NUMS 2019 Reconduct
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) Virus

B) Virion

C) Prions

D) Capsule

24 / 69

There are 3 stages of HIV infection, which sequence is correct

PMC Sample 1
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) AIDS, Chronic HIV, Acute HIV

B) Chronic HIV, AIDS, Acute HIV

C) Acute HIV, Chronic HIV, AIDS

D) all of them

25 / 69

Which of the following organisms have Chitin as a major structural component of their cell wall:

Prokaryotae

Protoctista

Plantae

Fungi

26 / 69

Whenever a virus encounters an unfamiliar organism, the virus may undergo multiple mutations and emerge as a variant that produces:

PMC Sample 2
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) Severe and novel disease

B) Noval disease

C) Mutated

D) None of these options is correct

27 / 69

HIV is a:

NUMS 2018
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) Virus

B) Prions

C) Viroid

D) Venom

28 / 69

The viruses are:

NTS 2011
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) Cellular

B) Prokaryotes

C) Non-cellular

D) Eukaryotes

29 / 69

Bacteriophages, or phages are also known as:

PMC Sample 2
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) Bacteria facilitator

B) Bacteria eater

C) Animal viruses

D) Plant viruse

30 / 69

Solanum tuberosum is a scientific name of:

Onion

Amaltas

Potato

Tomato

31 / 69

Closely related species are grouped together into ______ .

NTS 2012
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) families

B) orders

C) phyla

E) genus

32 / 69

Virus is a _____ entity among living and non-living.

PMC Sample 2
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) Balanced

B) Transitional

C) Threshold

D) None of these options is correct

33 / 69

Viruses are ______ smaller than bacteria

10 – 100 times

10 – 1000 times

1000 – 10000 times

34 / 69

Which of the Euglenas (a Protoctista) character resembles that of animals:

They can move

They lack cell wall

They do not have chlorophyll

Both a and b

35 / 69

Amoeba belongs to which kingdom:

Prokaryotae

Plantae

Monera

Protista

36 / 69

Encircle the miss – match:

NTS 2016 SMBBMC
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) Colds…Rhinovirus

B) Yellow fever … Bacteria

C) Encephalitis … Virus

D) Minus strand RNA virus … Paramyxovirus

37 / 69

HIV is also known as:

NUMS 2014
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) AIDS

B) HAV

D) HBV

C) HTLV

38 / 69

First step of viral replication is:

NUMS 2017
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) Entry

B) Assembly

C) Uncoating

D) Adsorption or Attachment

39 / 69

Binomial nomenclature was proposed for the first time by:

NTS 2010
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) Charles Darwin (1859)

B) Rudolph virchow (1855)

C) Louis Pasteur (1862)

D) Carolus Linnaeus (1707)

40 / 69

Diseases in living organisms which are caused by parasites are called:

NUMS 2016
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) Disinfestations

B) Antisepsis

C) Infections

D) Infestations

41 / 69

Five steps of the lytic cycle of a T4 stage are given below:

The T4 phage uses its tails to stick to specific receptor
The cell’s metabolic machinery, directed by phage DNA, produces phage proteins and nucleotides from the cells degraded DNA are used to make copies of the phage genome.
The phage then directs production of an enzyme that digests the cell.
The empty capsid of the phage is left as a ghost outside the cell
The sheath of the tail contracts, thrusting a hollow core through the wall and membrane of the cell.
Which of the following is the correct sequence of the cycle?

NTS 2015 SMBBMC
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) 3-5-4-2-1

B) 2-4-5-1-3

C) 5-1-4-2-3

D) 1-5-4-2-3

42 / 69

Which of the following is the simplest form of pathogens causing diseases?

NTS 2018
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) Viruses

B) Prions

C) Fungus

D) Amoeba

43 / 69

Viruses without nuclear envelope is called as?

PMC Sample 1
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) icosahedral virus

B) naked virus

C) enveloped virus

D) bilayer virus

44 / 69

Five kingdom classification was proposed by :

Carlous Linnaeus

E-Chatton

Robert Whittaker

Lynn Margulis and Karlene Schwartz

45 / 69

The virus can only survive and reproduce inside a:

NTS 2019
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) Animal Cell

B) Bacterial cell

C) Living cell

D) Non-living cell

46 / 69

Second major form of hepatitis is:

NUMS 2015
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) Hepatitis A

B) Hepatitis B

C) Hepatitis C

D) Hepatitis D

47 / 69

A combination of alpha interferon and ribavirin is used for the treatment of hepatitis:

NUMS 2020
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) B

B) A

C) D

D) C

48 / 69

The complete, mature and infection virus particle is known as:

PMC 2020
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) Venome

B) Genome

C) Virion

D) Capsid

49 / 69

The genome of the virus includes the:

PMC Sample 1
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) Deoxyribonucleic acid

B) Ribonucleic acid

C) Amino acids

D) Deoxyribonucleic acid and ribonucleic acids

50 / 69

Syphilis is caused by:

NUMS 2018
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) Coccus

B) Bacillus

C) Spirillum

D) Spirochete

51 / 69

Viral disease that is widely spread and caused by enveloped RNA virus is:

NUMS 2015
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) AIDS

B) Hepatitis

C) Measles

D) Influenza

52 / 69

The word which E-Chatton suggested for bacteria and blue green algae was:

Autotrophs

Heterotrophs

Pro-cariotique

Eu-cariotique

53 / 69

The shape of the tobacco mosaic virus is:

NUMS 2016
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) Spring shape

B) Rod shape

C) Comma shape

D) Spherical shape

54 / 69

What type of virus is the smallpox virus?

PMC Sample 1
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) DNA enveloped virus

B) RNA enveloped virus

C) DNA virus

D) RNA naked virus

55 / 69

The size of smallest virus is:

10 nm

20 nm

30 nm

40 nm

56 / 69

A bacteriophage consists solely of:

NTS 2011
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) DNA and protein

B) RNA and protein

C) RNA only

D) Protein only

57 / 69

Which of the following is not related to the enveloped virus?

PMC 2020
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) They survive for a short time

B) Their envelope is sensitive to sunlight

C) They are tolerant to antibodies

D) Envelope is derived from host

58 / 69

Chicken pox is caused by:

NTS 2011
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) Hepatitis A virus

B) Varicella zoster virus

C) Influenza virus

D) Human immunodeficiency virus

59 / 69

Recent studies on HIV reveal that the virus infects and multiplies in _____ but does NOT cause disease in them.

NUMS 2019 Reconduct
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) Monkeys

B) Cats

C) Horses

D) Dogs

60 / 69

These viruses usually occur in two structural forms:

PMC Sample 2
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) HIV

B) HCV

C) Bacteriophage

D) COVID-19

61 / 69

It is very stable and allows viruses to exist in water, air, and the ground.

PMC Sample 1
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) Nucleoproteins

B) Nucleocapsid

C) Tail of virus

D) Capsid

62 / 69

Which of the following diseases is sexually transmitted?

PMC 2020
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) Tuberculosis

B) AIDS

C) Dengue Fever

D) Cholera

63 / 69

First infectious disease against which effective method of prevention developed was a _______:

NUMS 2020
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) Bacterial disease

B) Viral disease

C) Protozoan disease

D) Viroid disease

64 / 69

Eukaryotic, multicellular and consumers belong to ______ kingdom.

NUMS 2019 Reconduct
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) Monera

B) Protista

C) Fungi

D) Animalia

65 / 69

Which of the following is NOT a viral disease?

NTS 2018
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) AIDS

B) Malaria

C) Influenza

D) Chickenpox

66 / 69

Genetically modified plants contain:

PMC Sample 2
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) No gene

B) No gene in transposition

C) Widely used in gene transfer

D) All of these options are correct

67 / 69

Kingdom Protoctista includes:

Prokaryotic organisms

Unicellular organisms

Fungi

Eu-cariotiquic organisms

68 / 69

Vaccines for all of these have been developed EXCEPT:

NUMS 2019 Reconduct
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) Polio

B) Mumps

C) Measles

D) Cancer

69 / 69

Allium cepa is the scientific name of :

Onion

Amaltas

Potato

Tomato

Your score is

The average score is 66%

Importance of Understanding the Variety of Life

A strong understanding of the Variety of Life helps students develop conceptual clarity and analytical skills. Practicing chapter-wise exercises and MCQs on taxonomy, hierarchy of classification, binomial nomenclature, and differences among kingdoms strengthens memory retention and prepares students for solving questions accurately. Combining these with mock tests and past papers familiarizes students with exam patterns, improves speed, and boosts confidence for both entry tests and FSC exams.

PLS Academy Resources for The Variety of Life

PLS Academy provides comprehensive resources for The Variety of Life, including chapter-wise MCQs, solved exercises, and revision notes for First Year and Second Year students. These materials enable systematic practice, track progress, and strengthen preparation strategies. Using PLS Academy resources helps students master concepts of biological diversity and classification and maximize their scores in both entry tests and FSC board exams.

JazakAllah.

Comments

5 responses to “Biology The Variety of Life MCQs Chapter 5 Class 11”

Ayesha Masood

June 30, 2022

isn’t the scientific name of amaltas “Cassia fistula”?
why is it saying it’s Allium cepa!
Allium cepa is te scientific name of onion
1. Ali Durrani
  
  July 2, 2022
  
  thanks we will update
Anonymous

September 17, 2022

Exactly!
Habiba

October 20, 2022

In 61 mcq both b and c option are same.
Syed kamil zaidi

June 14, 2023

Alium cepa is the scientific name of onion…Kindly correct that word.