Biology Practice Test 4




Biology Practice Test 4

Biology Practice Test 4 is designed to help students strengthen their understanding of key biological concepts, theories, and processes for competitive entry tests like MDCAT, NUMS, AKU, UET, ECAT, NTS, as well as FSC Board Exams. This test covers topics from human anatomy, physiology, microbiology, and ecology, helping students improve accuracy and retention.

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Biology Practice Test 4

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1 / 100

Category: Biology Ch 1 Class 12

Humans are:

NUMS 2016
Biology
Homeostasis
Elimination Tool:

2 / 100

Category: Biology Ch 4 Class 11

The most abundant organic compounds in a mammalian cell are:

NUMS 2020
Biology
Cell Structure and Function
Elimination Tool:

3 / 100

Category: Biology Ch 8 Class 11

Parasitic fungi absorb nutrients directly from the living host cytoplasm with the help of special hyphal tips called

4 / 100

Category: Biology Ch 10 Class 12

Which scientist does not match his achievements

5 / 100

Category: Biology Ch 8 Class 12

Which of the following is monohybrid cross

6 / 100

Category: Biology Ch 14 Class 11

In the human body, blood circulating from the gut to the heart passes through the:

NTS 2013
Biology
Transport
Elimination Tool:

7 / 100

Category: Biology

Q.16 Which of the following changes length during sarcomere contraction?

8 / 100

Category: Biology Ch 5 Class 11

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:

9 / 100

Category: Biology Ch 8 Class 12

In which of the following cases, genotypic and phenotypic ratio will remain same in F2 generation

10 / 100

Category: Biology Ch 6 Class 11

A Dutch scientist firstly observed very small creatures in

PMC Practice 6
Biology
Kingdom Prokaryote
Elimination Tool:

11 / 100

Category: Biology

Q.22 What are T Cells and their rolelin IHV infection?

12 / 100

Category: Biology Ch 6 Class 12

Which is incorrect?

13 / 100

Category: Biology Ch 6 Class 12

A tortion of chromatin that is condensed only during cell division is

14 / 100

Category: Biology Ch 1 Class 12

The technique used for the non-surgical removal of kidney stones is called:

NUMS 2016
Biology
Homeostasis
Elimination Tool:

15 / 100

Category: Biology Ch 4 Class 11

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:

16 / 100

Category: Biology Ch 6 Class 12

Which of the following enzymes is used to join DNA fragments?

NTS 2016 DUHS & JSMU
Biology
Chromosomes and DNA
Elimination Tool:

17 / 100

Category: Biology

The structure of a fibrous protein comprises of polypeptide chains in the form of:

NUMS Mock 2
Biology
Biological Molecules

18 / 100

Category: Biology Ch 9 Class 12

Transgenic plants are produced when foreign genes are introduced into

19 / 100

Category: Biology

Q.10  Which of the following bond is more resistant to temperature when protein gets denatured?

20 / 100

Category: Biology Ch 5 Class 12

When a fetus is in the uterus, what carries oxygen away from the placenta?

NTS 2013
Biology
Growth and Development
Elimination Tool:

21 / 100

Category: Biology Ch 5 Class 12

Growth of multicellular plants occur in

22 / 100

Category: Biology Ch 8 Class 12

A cross between F1 hybrids and either of parents is called:

NUMS 2014
Biology
Variation and Genetics
Elimination Tool:

23 / 100

Category: Biology Ch 8 Class 12

How many genes control Rh blood group system?

24 / 100

Category: Biology

Proteins and lipids are converted into glycolipids and glycoproteins by adding carbohydrates by?

NUMS Mock 4
Biology
Cell Structure and Function

25 / 100

Category: Biology Ch 3 Class 12

Which of the following neurotransmitters function, both as neurotransmitter and hormones, decreasing our perception of pain?

PMC 2020
Biology
Coordination and Control
Elimination Tool:

26 / 100

Category: Biology Ch 5 Class 12

In sexual reproduction, plants have diplohaplontic life cycle with alternating

27 / 100

Category: Biology

Q.23 During inspiration, the diaphragm:

28 / 100

Category: Biology Ch 13 Class 11

Lungs are covered with double layered thin membranous sac called

29 / 100

Category: Biology

Q.9    The linkage formed when one molecule of glucose combines with one molecule of fructose is:

30 / 100

Category: Biology Ch 7 Class 12

Failure of separation of sister chromatids is called:

NUMS 2020
Biology
Cell Cycle
Elimination Tool:

31 / 100

Category: Biology

Q.36 The ETC in plants consists of an electron carrier called?

32 / 100

Category: Biology

Q.27 In the process of esterification OH is derived from?

33 / 100

Category: Biology

Q.55 Complete breakdown of glucose molecule takes place in which of the following?

34 / 100

Category: Biology Ch 5 Class 12

Thymus is found in the human body in _____.

PMC Practice 2
Biology
Growth and Development
Elimination Tool:

35 / 100

Category: Biology Ch 6 Class 11

A bacterial cell envelope of mollicutes does not include?

PMC Sample 1
Biology
Kingdom Prokaryote
Elimination Tool:

36 / 100

Category: Biology Ch 5 Class 11

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

37 / 100

Category: Biology

Q.40 Which of the following is true of both bacterial conjugation and meiosis?

38 / 100

Category: Biology Ch 10 Class 11

Aschelminthes is also known as

39 / 100

Category: Biology Ch 13 Class 12

The actual or preserved remains of the organisms that lived in the ancient past are called:

UHS 2018
Biology
Man and His Environment
Elimination Tool:

40 / 100

Category: Biology Ch 11 Class 11

What is the function of Ribulose?

PMC 2020
Biology
Bioenergetics
Elimination Tool:

41 / 100

Category: Biology Ch 6 Class 11

The cell membrane of a bacterial cell often invaginates to produce membranous structures referred to as:

NUMS 2017
Biology
Kingdom Prokaryote
Elimination Tool:

42 / 100

Category: Biology Ch 5 Class 11

The genome of the virus includes the:

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

43 / 100

Category: Biology Ch 12 Class 11

Living things that would be the first to experience adverse effects if large amounts of carbon dioxide were taken out of the biosphere are:

NTS 2014
Biology
Nutrition
Elimination Tool:

44 / 100

Category: Biology Ch 1 Class 12

Sunken stomata are found in:

NUMS 2014
Biology
Homeostasis
Elimination Tool:

45 / 100

Category: Biology Ch 3 Class 12

The region where the impulse moves from one neuron to another is called ______.

NTS 2012
Biology
Coordination and Control
Elimination Tool:

46 / 100

Category: Biology Ch 5 Class 12

All of the followings are the effects of red light on plant, EXCEPT:

NTS 2016 SMBBMC
Biology
Growth and Development
Elimination Tool:

47 / 100

Category: Biology Ch 5 Class 12

Microcephaly, the small sized skull is due to:

NUMS 2016
Biology
Growth and Development
Elimination Tool:

48 / 100

Category: Biology Ch 8 Class 12

A pure breeding tall pea plant was crossed to dwarf plant what will be the frequency of dwarf plants in F1

49 / 100

Category: Biology Ch 5 Class 11

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

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

50 / 100

Category: Biology Ch 13 Class 12

Tides are caused by

51 / 100

Category: Biology Ch 9 Class 12

Taq polymerase is extracted from a bacterium

52 / 100

Category: Biology Ch 7 Class 12

Each kinetochore gets ________ fibers in mitosis

53 / 100

Category: Biology Ch 9 Class 11

Antheridia and archegonia are born on _____ in bryophytes

54 / 100

Category: Biology

Which component enters into mitochondria after glycolysis?

NUMS Mock 1
Biology
Bioenergetics

55 / 100

Category: Biology Ch 7 Class 12

The phase of mitosis in which sister chromatids move towards opposite poles:

UHS 2019
Biology
Cell Cycle
Elimination Tool:

56 / 100

Category: Biology Ch 7 Class 12

Which of the following sub stages does not occur in prophase I?

NTS 2015 SMBBMC
Biology
Cell Cycle
Elimination Tool:

57 / 100

Category: Biology Ch 6 Class 12

A fern has _____ pairs of chromosomes.

NTS 2012
Biology
Chromosomes and DNA
Elimination Tool:

58 / 100

Category: Biology

_____ are more common in human males and females.

NUMS Mock 3
Biology
Variation and Genetics

59 / 100

Category: Biology Ch 11 Class 12

Hydrosere is

60 / 100

Category: Biology

When a fetus is in the uterus, what carries oxygen away from the placenta?

NUMS Mock 1
Biology
Reproduction

61 / 100

Category: Biology

Phenylketonuria is

NUMS Mock 2
Biology
Chromosomes and DNA

62 / 100

Category: Biology Ch 4 Class 11

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:

63 / 100

Category: Biology Ch 7 Class 11

Bacteria that can only survive in the presence of oxygen?

PMC 2021 Tested
Biology
Kingdom Protista
Elimination Tool:

64 / 100

Category: Biology Ch 14 Class 11

T-Lymphocytes are matured in thymus glands and they are produced in:

NUMS 2016
Biology
Transport
Elimination Tool:

65 / 100

Category: Biology Ch 1 Class 11

In animals coordination is achieved by means of

66 / 100

Category: Biology Ch 3 Class 12

On land, frogs are:

NUMS 2014
Biology
Coordination and Control
Elimination Tool:

67 / 100

Category: Biology Ch 2 Class 11

Water acts as a universal solvent because of:

PMC 2020
Biology
Biological Molecules
Elimination Tool:

68 / 100

Category: Biology

On receiving the news of the sudden demise of a close friend; which is the most probable hormone that is secreted at that time?

NUMS Mock 1
Biology
Coordination and Control

69 / 100

Category: Biology Ch 8 Class 11

Yeasts, the unicellular fungi belongs mostly to the group:

UHS 2018
Biology
Kingdom Fungi
Elimination Tool:

70 / 100

Category: Biology Ch 3 Class 11

The cofactor usually acts as “bridge” between:

NUMS 2018
Biology
Enzymes
Elimination Tool:

71 / 100

Category: Biology Ch 10 Class 11

The only aquatic arthropods:

PMC Sample 1
Biology
Kingdom Animalia
Elimination Tool:

72 / 100

Category: Biology

An example of competitive inhibition of an enzyme is the inhibition of;

NUMS Mock 2
Biology
Enzymes

73 / 100

Category: Biology Ch 8 Class 11

Mycorrhizae are found in about ______ vascular plants

74 / 100

Category: Biology Ch 9 Class 11

Which of the following statement about plants is incorrect?

PMC Sample 2
Biology
Kingdom Plantae
Elimination Tool:

75 / 100

Category: Biology

Q.61 These are properties of lipids_________________

76 / 100

Category: Biology Ch 4 Class 11

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

NTS 2018
Biology
Cell Structure and Function
Elimination Tool:

77 / 100

Category: Biology

 

Q.49   Gastric secretion is stimulated by:

78 / 100

Category: Biology Ch 5 Class 11

Five kingdom classification was proposed by :

79 / 100

Category: Biology Ch 5 Class 12

A plant has a growth pattern called

80 / 100

Category: Biology Ch 13 Class 12

Process ensuring the survival of species over long periods of time, even though individual members of the species die.

UHS 2018
Biology
Man and His Environment
Elimination Tool:

81 / 100

Category: Biology

Q.39   The fertilization of ovum takes place at:

82 / 100

Category: Biology Ch 2 Class 12

Identify the bones in which the connecting joints are freely movable joints?

NTS 2015 DUHS and JSMU
Biology
Support and Movement
Elimination Tool:

83 / 100

Category: Biology

Q.50  Which of the following hormones is essential for the production of sperms?

84 / 100

Category: Biology

Which of the following is not related to apoptosis?

NUMS Mock 1
Biology
Growth and Development

85 / 100

Category: Biology Ch 1 Class 12

Rose is an example of

86 / 100

Category: Biology Ch 6 Class 11

Which of the following bacteria are thick rigid and spiral?

87 / 100

Category: Biology Ch 2 Class 11

Which type of protein structure contains the three dimensional structure?

NTS 2013
Biology
Biological Molecules
Elimination Tool:

88 / 100

Category: Biology Ch 9 Class 11

Which of the following is true in angiosperm life cycle?

NTS 2014
Biology
Kingdom Plantae
Elimination Tool:

89 / 100

Category: Biology Ch 6 Class 11

In which phase of bacterial growth, does divison at an exponential rate occur?

NUMS 2020
Biology
Kingdom Prokaryote
Elimination Tool:

90 / 100

Category: Biology Ch 2 Class 12

In presence of muscle contraction, ______ is brought closer, _____ shortens and ______ disappears.

NUMS 2019 Reconduct
Biology
Support and Movement
Elimination Tool:

91 / 100

Category: Biology Ch 1 Class 12

The only possible treatment in end stage renal failure is:

NUMS 2018
Biology
Homeostasis
Elimination Tool:

92 / 100

Category: Biology

Q.68 A person was married to his cousin and both are heterozygous for sickle cell anemia. Among their four kids, what will be proportion of affected homozygotes?

93 / 100

Category: Biology Ch 12 Class 11

Optimum pH for action of pepsin and salivary amylase is

NTS 2016 DUHS & JSMU
Biology
Nutrition
Elimination Tool:

94 / 100

Category: Biology Ch 5 Class 12

_____ cells store surplus food and _____ cells produce new cells for growth and development of the plant:

NUMS 2019 Cancelled
Biology
Growth and Development
Elimination Tool:

95 / 100

Category: Biology Ch 10 Class 12

The following observations refer to evolution:

I. Inherited variations which are ‘favoured’ in particular environments are passed on.

II. There is a struggle for existence.

III. In time, ‘favoured’ inherited variations may accumulate causing gradual changes in the organism.

IV. Although populations tend to overproduce, they remain more or less constant in numbers from generation to generation.

In what sequence should the statements be placed to support Darwin’s theory of evolution?

NTS 2014
Biology
Evolution
Elimination Tool:

96 / 100

Category: Biology Ch 10 Class 12

Which one of the following pairs represents an analogous feature?

NUMS 2018
Biology
Evolution
Elimination Tool:

97 / 100

Category: Biology

Many scientists believe that one of the following is evolutionary origin(s) of animals, plants and fungi?

NUMS Mock 1
Biology
Evolution

98 / 100

Category: Biology Ch 4 Class 11

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

NUMS 2020
Biology
Cell Structure and Function
Elimination Tool:

99 / 100

Category: Biology Ch 1 Class 12

Which of the following occurs in the body in response to the secretion of Glucagon?

NUMS 2020
Biology
Homeostasis
Elimination Tool:

100 / 100

Category: Biology Ch 6 Class 12

Central dogma is

Your score is

The average score is 61%

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Structured Practice for Best Entry Test Preparation

This topic-wise and chapter-wise practice test allows students to focus on individual biology concepts, including diagrams, processes, and conceptual questions. Regular practice enhances understanding, sharpens problem-solving skills, and builds confidence to tackle both board and competitive exam questions efficiently.

Free Resources for Best Entry Test Preparation

Students can access free Biology Practice Test 4 to systematically improve knowledge, recall, and problem-solving abilities. This test is suitable for FSC Board Exams as well as major entry tests, helping students perform better in the biology section. PLS Academy provides these resources to support students in their preparation.

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3 responses to “Biology Practice Test 4”

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  2. Anonymous

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