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 8 Class 11

Fungi whose growth is favored by fire is called:

NTS 2016 SMBBMC
Biology
Kingdom Fungi
Elimination Tool:

2 / 100

Category: Biology Ch 8 Class 12

The total number of genes present in a particular population, at a particular time is called:

NUMS 2019 Cancelled
Biology
Variation and Genetics
Elimination Tool:

3 / 100

Category: Biology Ch 14 Class 11

Minerals salts enter a plant largely through its:

NTS 2015 SMBBMC
Biology
Transport
Elimination Tool:

4 / 100

Category: Biology Ch 10 Class 11

Platyhelminthes means:

NUMS 2017
Biology
Kingdom Animalia
Elimination Tool:

5 / 100

Category: Biology Ch 2 Class 11

According to the fluid mosaic model of cell membrane, which zone is embedded inside?

PMC 2020
Biology
Biological Molecules
Elimination Tool:

6 / 100

Category: Biology Ch 3 Class 11

The structure of an enzyme is altered by:

7 / 100

Category: Biology

Bones of the skull are joined by:

NUMS Mock 2
Biology
Support and Movement

8 / 100

Category: Biology Ch 10 Class 11

Of the following which one is non-cellular in most cases in animals?

9 / 100

Category: Biology Ch 6 Class 12

Central dogma is

10 / 100

Category: Biology Ch 9 Class 12

Tobacco plants, resistant to a nematode, have been developed by the introduction of DNA that produces (in the host cells):

PMC Practice 11
Biology
Biotechnology
Elimination Tool:

11 / 100

Category: Biology Ch 14 Class 11

Antibodies are manufactured in:

PMC 2020
Biology
Transport
Elimination Tool:

12 / 100

Category: Biology Ch 5 Class 11

Vaccines for all of these have been developed EXCEPT:

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

13 / 100

Category: Biology Ch 2 Class 12

Which of the following bones are present in the palm of the hand:

NTS 2010
Biology
Support and Movement
Elimination Tool:

14 / 100

Category: Biology Ch 1 Class 12

Which of the following statement about Homeostasis is incorrect

15 / 100

Category: Biology Ch 6 Class 11

Germ theory was presented by:

NUMS 2016
Biology
Kingdom Prokaryote
Elimination Tool:

16 / 100

Category: Biology

In the commercial manufacture of insulin, a human gene is inserted into which one of the following?

NUMS Mock 1
Biology
Biotechnology

17 / 100

Category: Biology Ch 6 Class 11

Who discovered the bacteria causing tuberculosis and also developed various techniques of media preparation and maintenance of pure culture?

18 / 100

Category: Biology Ch 10 Class 12

Consider the following statements about biological communities.

I. Their members share a common gene pool

II. The community remains stable even though some physical aspect of the environment may undergo a change

III. It consists of all the populations living in a particular area.

IV. A community interacts with a non-living environment and both function together to form an ecosystem

Which two of the above statements are true?

NTS 2014
Biology
Evolution
Elimination Tool:

19 / 100

Category: Biology Ch 7 Class 11

Plasmodium belongs to

20 / 100

Category: Biology Ch 10 Class 11

Which organism has wings with claws?

NUMS 2015
Biology
Kingdom Animalia
Elimination Tool:

21 / 100

Category: Biology Ch 8 Class 11

Fungi can tolerate pH from

22 / 100

Category: Biology Ch 12 Class 11

Earthworm is an example of ______ feeder

23 / 100

Category: Biology Ch 7 Class 12

Asexual offsprings can be produced by:

PMC 2021 Tested
Biology
Cell Cycle
Elimination Tool:

24 / 100

Category: Biology Ch 2 Class 11

The helical structure of a protein is kept by the formation of hydrogen bond between amino acid molecules which are:

NUMS 2015
Biology
Biological Molecules
Elimination Tool:

25 / 100

Category: Biology

Golgi complex is responsible for the formation of secretory granules in _____ cell.

NUMS Mock 4
Biology
Cell Structure and Function

26 / 100

Category: Biology Ch 13 Class 11

Chest cavity is bounded by ribs and muscles on the sides, while the floor of chest cavity is called:

NUMS 2015
Biology
Gaseous Exchange
Elimination Tool:

27 / 100

Category: Biology

Q.54 Which of the following elements are not found in carbohydrates?

28 / 100

Category: Biology

Q.14   A man is suffering from fever. What will be the effect on his enzyme activity of the body?

29 / 100

Category: Biology

The number and sequence of amino acids along a polypeptide chain is called _______ structure of a protein.

NUMS Mock 2
Biology
Biological Molecules

30 / 100

Category: Biology Ch 8 Class 11

Which of the following component is found in the cell wall of fungi?

UHS 2012
Biology
Kingdom Fungi
Elimination Tool:

31 / 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

32 / 100

Category: Biology Ch 9 Class 11

Excess water in plants is forced out in the form of droplets through?

PMC 2021 Tested
Biology
Kingdom Plantae
Elimination Tool:

33 / 100

Category: Biology

The sympathetic nervous system causes which of the following?

NUMS Mock 2
Biology
Coordination and Control

34 / 100

Category: Biology

Q.20 Cytochromes are electron transport intermediates containing?

35 / 100

Category: Biology Ch 13 Class 11

Oxygen contents per liter of air is

36 / 100

Category: Biology Ch 10 Class 11

Which one of the following coelenterate is also called the Portuguese man of war?

NUMS 2014
Biology
Kingdom Animalia
Elimination Tool:

37 / 100

Category: Biology Ch 7 Class 11

The disease caused by Protozoal infection is:

NTS 2018
Biology
Kingdom Protista
Elimination Tool:

38 / 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:

39 / 100

Category: Biology

Q.56 During cyclic photophosphorylation, electrons are diverted back to:

40 / 100

Category: Biology

To overcome infertility, which technique is used?

NUMS Mock 4
Biology
Reproduction

41 / 100

Category: Biology Ch 12 Class 11

Parasites capable of living independently of its host at times is called as _______ parasite.

42 / 100

Category: Biology Ch 3 Class 11

If the non-protien part is loosely attached to the protein part in the enzyme, it is known as ______.

PMC Practice 3
Biology
Enzymes
Elimination Tool:

43 / 100

Category: Biology

Q.39   The fertilization of ovum takes place at:

44 / 100

Category: Biology Ch 10 Class 12

In the Hardy – Weinberg principle, p2 + 2pq + q2 = 1 . q2 represents the frequency of the:

NTS 2010
Biology
Evolution
Elimination Tool:

45 / 100

Category: Biology

The end product of glycolysis in anaerobic respiration is:

NUMS Mock 4
Biology
Bioenergetics

46 / 100

Category: Biology Ch 2 Class 11

Which of the following is the constituent of RNA molecule?

NUMS 2019 Cancelled
Biology
Biological Molecules
Elimination Tool:

47 / 100

Category: Biology Ch 6 Class 11

When was the bacteriophage phenomena rediscovered by D’Herelle?

PMC Practice 4
Biology
Kingdom Prokaryote
Elimination Tool:

48 / 100

Category: Biology Ch 1 Class 12

Malpighian tubules are involved in excretion in:

NTS 2011
Biology
Homeostasis
Elimination Tool:

49 / 100

Category: Biology Ch 3 Class 11

The active site of an enzyme:

50 / 100

Category: Biology

Q.38  Testosterone is produce by which of the following?

51 / 100

Category: Biology

The Porifera are pore – bearing animals, commonly called:

NUMS Mock 3
Biology
Kingdom Animalia

52 / 100

Category: Biology Ch 14 Class 11

The valve between right atrium and right ventricle is called:

NUMS 2014
Biology
Transport
Elimination Tool:

53 / 100

Category: Biology

Q.8   How many carbon atoms contribute to form glucopyranose?

54 / 100

Category: Biology Ch 1 Class 12

Which of the following marine fishes are considered direct descendents of fresh water ancestors?

55 / 100

Category: Biology Ch 4 Class 11

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:

56 / 100

Category: Biology Ch 8 Class 11

Aspergillosis is a fungal infection and occurs only in _______:

NUMS 2020
Biology
Kingdom Fungi
Elimination Tool:

57 / 100

Category: Biology Ch 2 Class 12

Pick the mismatched pair for birds:

NUMS 2015
Biology
Support and Movement
Elimination Tool:

58 / 100

Category: Biology

Q40 How is pyruvate produced in anaerobic conditions?

59 / 100

Category: Biology

Icosahedral viruses have how many faces?

NUMS Mock 4
Biology
Variety of Life

60 / 100

Category: Biology

NAD is an example of:

NUMS Mock 1
Biology
Biological Molecules

61 / 100

Category: Biology Ch 13 Class 11

Four plants are present in different environmental conditions. Plant A is present in a warm climate with continuous rainfall, plant B is present in a cool forest, plant C is present in a warm climate with little breeze, while plant D is present in a warm climate with high wind speed. Which one of the above plants will have the highest rate of transpiration?

UHS 2019
Biology
Gaseous Exchange
Elimination Tool:

62 / 100

Category: Biology Ch 10 Class 12

At what point are two populations descending from the same ancestral stock considered separate species?

NTS 2014
Biology
Evolution
Elimination Tool:

63 / 100

Category: Biology Ch 8 Class 12

To check the homozygosity or heterozygosity of apparently dominant trait, we do the test cross by crossing it with:

NUMS 2019 Cancelled
Biology
Variation and Genetics
Elimination Tool:

64 / 100

Category: Biology Ch 2 Class 11

Which of the following substance is most favorable to form structural component of biological membranes?

65 / 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

66 / 100

Category: Biology Ch 5 Class 11

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

67 / 100

Category: Biology Ch 10 Class 12

Which of the following concepts is attributed to Lamarck?

NUMS 2014
Biology
Evolution
Elimination Tool:

68 / 100

Category: Biology Ch 12 Class 11

Milk drinking babies have an additional enzyme called:

NUMS 2016
Biology
Nutrition
Elimination Tool:

69 / 100

Category: Biology Ch 1 Class 12

The major portion of (NH)2CO is secreted by:

NUMS 2018
Biology
Homeostasis
Elimination Tool:

70 / 100

Category: Biology

Q.47 Which of the following are believed to have common origin with annelids?

71 / 100

Category: Biology Ch 8 Class 12

A child with AB blood group who was born to a mother of the genotype IAIA cannot have the father of the genotype:

NUMS 2014
Biology
Variation and Genetics
Elimination Tool:

72 / 100

Category: Biology Ch 5 Class 12

In multicellular plants cell division occur by

73 / 100

Category: Biology Ch 9 Class 12

Vaccination can be done against:

NUMS 2015
Biology
Biotechnology
Elimination Tool:

74 / 100

Category: Biology Ch 2 Class 11

Ribosomes are composed of almost an equal amount of:

NUMS 2018
Biology
Biological Molecules
Elimination Tool:

75 / 100

Category: Biology

Digestion of which food components starts from the oral cavity?

NUMS Mock 3
Biology
Nutrition

76 / 100

Category: Biology

Q.57 Secondary oocyte is ovulated from:

77 / 100

Category: Biology Ch 3 Class 12

The estrogen hormone secretion during the oogenesis is stimulated by:

NUMS 2020
Biology
Coordination and Control
Elimination Tool:

78 / 100

Category: Biology Ch 7 Class 12

The term bivalent means:

NUMS 2014
Biology
Cell Cycle
Elimination Tool:

79 / 100

Category: Biology Ch 8 Class 12

Filial is a Latin word. It means

80 / 100

Category: Biology Ch 6 Class 12

Chromosomes are composed of

81 / 100

Category: Biology Ch 8 Class 12

______ are more common in human males than females.

NUMS 2016
Biology
Variation and Genetics
Elimination Tool:

82 / 100

Category: Biology Ch 6 Class 12

Genetic code is a ______ code and out of 64 codons, _____ are nonsense codons.

NUMS 2019 Reconduct
Biology
Chromosomes and DNA
Elimination Tool:

83 / 100

Category: Biology Ch 7 Class 12

During the G2 phase:

UHS 2019
Biology
Cell Cycle
Elimination Tool:

84 / 100

Category: Biology

Q.12 An enzyme without its cofactor is called.

85 / 100

Category: Biology Ch 2 Class 12

Pectoral fins are enlarged in:

NUMS 2015
Biology
Support and Movement
Elimination Tool:

86 / 100

Category: Biology Ch 5 Class 11

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

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

87 / 100

Category: Biology Ch 12 Class 11

Nodules on roots of leguminous plants have _____ bacteria

88 / 100

Category: Biology Ch 3 Class 12

All of the following hormones are secreted from anterior lobe of pituitary gland BUT:

NUMS 2019 Reconduct
Biology
Coordination and Control
Elimination Tool:

89 / 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:

90 / 100

Category: Biology Ch 7 Class 12

At what phase the DNA content of a cell is doubled?

PMC 2020
Biology
Cell Cycle
Elimination Tool:

91 / 100

Category: Biology Ch 3 Class 12

Which hormone is chemically a steroid?

NUMS 2020
Biology
Coordination and Control
Elimination Tool:

92 / 100

Category: Biology Ch 5 Class 12

The disease that arises due to increasing age is:

NTS 2018
Biology
Growth and Development
Elimination Tool:

93 / 100

Category: Biology Ch 10 Class 12

In humans gill pouches have modified into

94 / 100

Category: Biology Ch 9 Class 12

Chemical nature of primers used in the PCR process is _______.

UHS 2018
Biology
Biotechnology
Elimination Tool:

95 / 100

Category: Biology Ch 9 Class 11

Such inflorescence in which the main axis is elongated and bears sessile flowers is called:

NUMS 2015
Biology
Kingdom Plantae
Elimination Tool:

96 / 100

Category: Biology Ch 9 Class 11

Antheridia and archegonia are _____ organs in bryophytes.

NTS 2015 DUHS and JSMU
Biology
Kingdom Plantae
Elimination Tool:

97 / 100

Category: Biology

Arrange the following according to the level of protein structures:

a) lysozyme, b) haemoglobin, c) insulin, d) hairs.

NUMS Mock 4
Biology
Biological Molecules

98 / 100

Category: Biology Ch 1 Class 12

When the temperature of the surrounding environment rises, body responds by:

PMC 2020
Biology
Homeostasis
Elimination Tool:

99 / 100

Category: Biology

Q.29 Fluid secreted by Sertoli cells provides sperms with which of the following ?

100 / 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:

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

    Hi

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    ok

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