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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Category: Biology

Q.68 The spinal cord consist of which type of cell bodies?

2 / 100

Category: Biology Ch 6 Class 12

Haploid and monoploid numbers of chromosomes of hexaploid wheat are:

NTS 2014
Biology
Chromosomes and DNA
Elimination Tool:

3 / 100

Category: Biology

Q.26   The function/s of HCl during digestion is/are:

4 / 100

Category: Biology Ch 4 Class 12

In the male reproductive tract, sperm cells follow a specific path. Which of the following do sperm cells enter after traveling through the epididymis?

PMC Sample 2
Biology
Reproduction
Elimination Tool:

5 / 100

Category: Biology Ch 6 Class 11

In bacterial categories the bacteria smaller in number are

6 / 100

Category: Biology Ch 3 Class 11

Optimal temperature of enzymes present in human body is

7 / 100

Category: Biology Ch 11 Class 12

Secondary succession starts from A.

8 / 100

Category: Biology

Q.43  Which of the following disappear during muscle contraction?

9 / 100

Category: Biology

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

NUMS Mock 2
Biology
Biological Molecules

10 / 100

Category: Biology Ch 4 Class 12

Development of an egg into zygote without fertilization is called

11 / 100

Category: Biology

Q.51 The heavy and light chains of an antibody molecule is held together by:

12 / 100

Category: Biology

Which of the following is not related to apoptosis?

NUMS Mock 1
Biology
Growth and Development

13 / 100

Category: Biology Ch 1 Class 12

Among the followings which is the most longest supportive cell?

14 / 100

Category: Biology Ch 8 Class 11

Ecological role of fungi as decomposers is only paralleled by

15 / 100

Category: Biology

The diagram represents two liquids, separated by a membrane through which osmosis can occur.

What movement of molecules will occur?

NUMS Mock 3
Biology
Transport

16 / 100

Category: Biology Ch 6 Class 12

Which of the following can be blocked, if one wants to stop translation of mRNA?

NUMS 2019 Reconduct
Biology
Chromosomes and DNA
Elimination Tool:

17 / 100

Category: Biology Ch 1 Class 12

The disease in which patients passed urine that rapidly turned black on exposure to air is called:

NTS 2011
Biology
Homeostasis
Elimination Tool:

18 / 100

Category: Biology Ch 3 Class 11

A substance which binds at the active site of the enzyme but does not result in the formation of the products is called:

19 / 100

Category: Biology Ch 10 Class 11

Coelom is lined by

20 / 100

Category: Biology Ch 5 Class 11

Other name for Kingdom monera is:

21 / 100

Category: Biology Ch 14 Class 11

Antibodies are manufactured in:

PMC 2020
Biology
Transport
Elimination Tool:

22 / 100

Category: Biology Ch 2 Class 12

The number of vertebrate in horse neck are:

NUMS 2014
Biology
Support and Movement
Elimination Tool:

23 / 100

Category: Biology Ch 4 Class 11

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

NUMS 2020
Biology
Cell Structure and Function
Elimination Tool:

24 / 100

Category: Biology

Why cannot viruses replicate on their own?

NUMS Mock 2
Biology
Variety of Life

25 / 100

Category: Biology Ch 10 Class 11

A characteristics features of Echinoderm is:

NTS 2011
Biology
Kingdom Animalia
Elimination Tool:

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Category: Biology

Lysosomes function in:

NUMS Mock 1
Biology
Cell Structure and Function

27 / 100

Category: Biology Ch 10 Class 12

The actual remains or traces of organisms that lived in ancident geological times

28 / 100

Category: Biology Ch 10 Class 11

In some cases the blastomere can produce complete embryo the cleavage will be

29 / 100

Category: Biology

Which of the following organelles are present in all the bacteria?

NUMS Mock 1
Biology
Kingdom Prokaryote

30 / 100

Category: Biology Ch 2 Class 12

The number of muscles in a human body is about:

NTS 2012
Biology
Support and Movement
Elimination Tool:

31 / 100

Category: Biology Ch 1 Class 12

Thick, waxy & leathery cuticle around leaves is present in

32 / 100

Category: Biology Ch 5 Class 11

The size of poxvirus is:

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Category: Biology

The thick filaments, in a myofibril of muscles, are made of ________.

NUMS Mock 3
Biology
Support and Movement

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Category: Biology

The system responsible for fighting the pathogens is:

NUMS Mock 4
Biology
Transport

35 / 100

Category: Biology Ch 1 Class 12

The human body maintains all of its cells’ internal concentration _____ to internal body fluid.

NUMS 2019 Cancelled
Biology
Homeostasis
Elimination Tool:

36 / 100

Category: Biology Ch 7 Class 12

Mitotic apparatus in animals is formed by

37 / 100

Category: Biology Ch 9 Class 11

Which of the following is an ovoviviparous organism?

PMC Sample 3
Biology
Kingdom Plantae
Elimination Tool:

38 / 100

Category: Biology Ch 5 Class 12

he only promoter of Leaf’s senescence in the following plant hormones is:

PMC Practice 9
Biology
Coordination and Control
Growth and Development
Elimination Tool:

39 / 100

Category: Biology

What part of the brain integrates sensory information such as pain and temperature?

NUMS Mock 2
Biology
Coordination and Control

40 / 100

Category: Biology Ch 14 Class 11

The function of papillary muscles is to:

NUMS 2020
Biology
Transport
Elimination Tool:

41 / 100

Category: Biology Ch 10 Class 11

Species of phylum Platyhelminthes are:

NTS 2011
Biology
Kingdom Animalia
Elimination Tool:

42 / 100

Category: Biology Ch 8 Class 12

J. Seiler in 1914 discovered which type of sex determination in moths?

NUMS 2015
Biology
Variation and Genetics
Elimination Tool:

43 / 100

Category: Biology

Q.10 Mating between relatives is called which of the following?

44 / 100

Category: Biology Ch 12 Class 12

Annual rainfall in grass land i

45 / 100

Category: Biology

The end product of glycolysis in anaerobic respiration is:

NUMS Mock 4
Biology
Bioenergetics

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Category: Biology

5 different amino acids, numbered 1, 2, 3, 4, and 5, below from the following sequence in the path of a polypeptide chain:

1-2-3-4-2-5-3

Messenger RNA codon, which correspond to the amino acids, are:
amino acid 1 UGU

amino acid 2 GAU

amino acid 3 CAC

amino acid 4 UAG

amino acid 5 AAG

Which one of the following DNA bases sequences could provide the code for the given section of the polypeptide?

NUMS Mock 2
Biology
Biological Molecules

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Category: Biology Ch 8 Class 12

How many pairs of homologous chromosomes are present in Pisum sativum

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Category: Biology Ch 6 Class 12

Particular array of chromosomes that an individual processes is called its:

NUMS 2019 Reconduct
Biology
Chromosomes and DNA
Elimination Tool:

49 / 100

Category: Biology Ch 3 Class 11

Extreme change in pH results in:

 

50 / 100

Category: Biology Ch 13 Class 12

Hydroelectricity is generated by using ______ of falling water.

51 / 100

Category: Biology

Q.28  The vocal cords are stretched across:

52 / 100

Category: Biology Ch 1 Class 12

Negative feedback mechanism is the characteristic of which class?

NUMS 2020
Biology
Homeostasis
Elimination Tool:

53 / 100

Category: Biology Ch 3 Class 12

Na+ -K+ ATPase pump is important for:

54 / 100

Category: Biology Ch 7 Class 11

Sleeping sickness in humans is caused by:

UHS 2013
Biology
Kingdom Protista
Elimination Tool:

55 / 100

Category: Biology Ch 7 Class 12

Gametes in animals are produced by:

PMC 2021 Tested
Biology
Cell Cycle
Elimination Tool:

56 / 100

Category: Biology Ch 4 Class 11

Anthocyanins are various types of colorful pigments present in the:

NUMS 2014
Biology
Cell Structure and Function
Elimination Tool:

57 / 100

Category: Biology Ch 1 Class 11

Different species of plants and animals living in the same habitat is called :

58 / 100

Category: Biology

Steroids consist of _____ 6 membered carbon rings and one 5 membered carbon ring.

NUMS Mock 4
Biology
Biological Molecules

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Category: Biology Ch 5 Class 12

Typical symptoms like enlarged breasts and small testis in male are attributed to:

UHS 2015
Biology
Growth and Development
Elimination Tool:

60 / 100

Category: Biology Ch 5 Class 12

Meristems are of

61 / 100

Category: Biology Ch 7 Class 11

Which of the following is the best desciption of bacteriophage?

PMC Practice 32
Biology
Kingdom Protista
Elimination Tool:

62 / 100

Category: Biology Ch 14 Class 11

75% osmotic pressure of blood is maintained by:

NUMS 2015
Biology
Transport
Elimination Tool:

63 / 100

Category: Biology Ch 1 Class 12

In a hot summer after noon, if your body’s Homeostatic machinery keep your internal temperature quite lower than that of external than this is an example of

64 / 100

Category: Biology Ch 8 Class 11

Those fungi which can grow only on their living host and cannot be grown on available defined growth culture medium e.g. various mildews and most rust species are called?

PMC Sample 2
Biology
Kingdom Fungi
Elimination Tool:

65 / 100

Category: Biology Ch 10 Class 11

Opposable thumbs are characteristic features of

NUMS 2014
Biology
Kingdom Animalia
Elimination Tool:

66 / 100

Category: Biology

Which of the following RNA sequences would be transcribed from the DNA sequence ATGGCTAGGAC?

NUMS Mock 4
Biology
Chromosomes and DNA

67 / 100

Category: Biology

Q.28 The enzyme which plays important role in HIV pathogenesis

68 / 100

Category: Biology Ch 5 Class 12

The reason plants are considered totipotent is:

NUMS 2019 Cancelled
Biology
Growth and Development
Elimination Tool:

69 / 100

Category: Biology Ch 12 Class 11

In human gut, chylomicrons are formed by the combination of:

NUMS 2020
Biology
Nutrition
Elimination Tool:

70 / 100

Category: Biology Ch 5 Class 12

Turner’s syndrome is characterized by having:

UHS 2015
Biology
Growth and Development
Elimination Tool:

71 / 100

Category: Biology Ch 7 Class 11

All of the following organisms belong to the kingdom protista EXCEPT:

NTS 2012
Biology
Kingdom Protista
Elimination Tool:

72 / 100

Category: Biology Ch 7 Class 11

Identify the correctly matched pair relating to a term and its meaning/function/example:

NTS 2017
Biology
Kingdom Protista
Elimination Tool:

73 / 100

Category: Biology Ch 9 Class 11

Antheridia and archegonia are born on _____ in bryophytes

74 / 100

Category: Biology Ch 6 Class 12

What would be the number of nucleotides for a protein molecule of about 142 amino acids?

NUMS 2020
Biology
Chromosomes and DNA
Elimination Tool:

75 / 100

Category: Biology Ch 4 Class 11

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

NTS 2010
Biology
Cell Structure and Function
Elimination Tool:

76 / 100

Category: Biology Ch 11 Class 11

Net yield of H2O in Photosynthesis is

77 / 100

Category: Biology Ch 3 Class 11

An activated enzyme consisting of polypeptide chain and a cofactor is called:

78 / 100

Category: Biology Ch 11 Class 12

Wood forests form the

79 / 100

Category: Biology Ch 13 Class 11

The passageways of the respiratory system mucous secreting cells called:

NTS 2019
Biology
Gaseous Exchange
Elimination Tool:

80 / 100

Category: Biology Ch 10 Class 12

Carolus Linnaeus was believer of which of the following?

PMC Sample 1
Biology
Evolution
Elimination Tool:

81 / 100

Category: Biology Ch 2 Class 12

Vertebrae of the neck are called:

NUMS 2020
Biology
Support and Movement
Elimination Tool:

82 / 100

Category: Biology Ch 3 Class 12

The sense organs of taste in tongue are known as:

NUMS 2014
Biology
Coordination and Control
Elimination Tool:

83 / 100

Category: Biology Ch 5 Class 12

The cells in our body are all genetically identical, apart from the:

PMC 2020
Biology
Growth and Development
Elimination Tool:

84 / 100

Category: Biology Ch 12 Class 12

Development of bark in plants and skin in animals is a method for

85 / 100

Category: Biology Ch 14 Class 11

Which of the following has oxygenated blood?

NUMS 2014
Biology
Transport
Elimination Tool:

86 / 100

Category: Biology Ch 5 Class 12

Growth process is

87 / 100

Category: Biology Ch 8 Class 11

According to two kingdom classification fungi were placed in kingdom

 

88 / 100

Category: Biology Ch 9 Class 11

Which of the following is included in Bryophytes?

NTS 2011
Biology
Kingdom Plantae
Elimination Tool:

89 / 100

Category: Biology Ch 6 Class 12

In a typical nucleotide, the nitrogenous base is attached to _______ carbon of pentose sugar.

NTS 2010
Biology
Chromosomes and DNA
Elimination Tool:

90 / 100

Category: Biology

During cell division, the spindle fibres get attached to condensing chromosome at a highly differentiated region. This region is called as:

NUMS Mock 1
Biology
Cell Cycle

91 / 100

Category: Biology Ch 9 Class 11

In Pakistan, the furniture wood is mainly obtained from the members of family:

UHS 2010
Biology
Kingdom Plantae
Elimination Tool:

92 / 100

Category: Biology Ch 6 Class 12

In Maxam – Gilbert method, DNA threads are:

NUMS 2015
Biology
Chromosomes and DNA
Elimination Tool:

93 / 100

Category: Biology Ch 2 Class 11

Ribosomes are composed of almost an equal amount of:

NUMS 2018
Biology
Biological Molecules
Elimination Tool:

94 / 100

Category: Biology Ch 8 Class 11

Type of lichen which tightly attaches to rocks is

95 / 100

Category: Biology Ch 3 Class 12

Normal resting membrane potential of a neuron is

96 / 100

Category: Biology

Q.17 Final acceptor of electrons in respiratory chain is?

97 / 100

Category: Biology Ch 9 Class 12

Cystic fibrosis patients lack a gene that codes for a transmembrane carrier of:

NTS 2017
Biology
Biotechnology
Elimination Tool:

98 / 100

Category: Biology

DNA fingerprinting is basically done for:

NUMS Mock 1
Biology
Biotechnology

99 / 100

Category: Biology

In the human cell, ______ is responsible for producing hydrogen peroxide.

NUMS Mock 2
Biology
Cell Structure and Function

100 / 100

Category: Biology Ch 3 Class 12

Maintenance of normal resting potential via movement of K+ inside the cell and na+ out is a/an _______ process.

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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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Comments

3 responses to “Biology Practice Test 4”

  1. Thank

  2. Anonymous

    Hi

  3. Anonymous

    ok

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