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

Q.59 Which of the following is not an evidence for evolution?

2 / 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:

3 / 100

Category: Biology

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

4 / 100

Category: Biology Ch 2 Class 11

Specific heat of vaporization of water is:

5 / 100

Category: Biology Ch 6 Class 12

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

NTS 2017
Biology
Chromosomes and DNA
Elimination Tool:

6 / 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:

7 / 100

Category: Biology Ch 8 Class 11

The ecological role of fungi as decomposers is paralleled only by

UHS 2010
Biology
Kingdom Fungi
Elimination Tool:

8 / 100

Category: Biology Ch 10 Class 11

Archaeopteryx is a transitional stage between the members of which one of the following pairs?

NTS 2013
Biology
Kingdom Animalia
Elimination Tool:

9 / 100

Category: Biology Ch 12 Class 11

Food is assimilated into the body from digestive tract in:

NUMS 2014
Biology
Nutrition
Elimination Tool:

10 / 100

Category: Biology Ch 4 Class 11

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

11 / 100

Category: Biology

Q.41  Corpus luteum is yellow glandular mass and is important source of:

12 / 100

Category: Biology Ch 13 Class 11

Lungs are separated from abdominal cavity by a muscular sheath called:

NUMS 2018
Biology
Gaseous Exchange
Elimination Tool:

13 / 100

Category: Biology

The system responsible for fighting the pathogens is:

NUMS Mock 4
Biology
Transport

14 / 100

Category: Biology Ch 11 Class 12

Abiotic components include

15 / 100

Category: Biology

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

NUMS Mock 2
Biology
Cell Structure and Function

16 / 100

Category: Biology Ch 5 Class 12

Germ cells give rise to:

NTS 2012
Biology
Growth and Development
Elimination Tool:

17 / 100

Category: Biology Ch 11 Class 11

Exposure to ______ light is effective in photosynthesis as it enables guard cells to take up K+ and open the stomata.

NUMS 2015
Biology
Bioenergetics
Elimination Tool:

18 / 100

Category: Biology Ch 9 Class 11

Leaves of ……….. are used to cure cough and cold in horses.

NUMS 2015
Biology
Kingdom Plantae
Elimination Tool:

19 / 100

Category: Biology Ch 8 Class 11

In rhizopus, zygote forms temporary, dormant, thick-walled resistant structure called:

UHS 2015
Biology
Kingdom Fungi
Elimination Tool:

20 / 100

Category: Biology Ch 4 Class 11

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:

21 / 100

Category: Biology Ch 12 Class 11

Secretion of pancreatic juice is stimulated by:

NUMS 2019 Cancelled
Biology
Nutrition
Elimination Tool:

22 / 100

Category: Biology

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

NUMS Mock 4
Biology
Gaseous Exchange

23 / 100

Category: Biology

Q.2 Prokaryotic and eukaryotic cells generally have which of the following features in common?

24 / 100

Category: Biology Ch 10 Class 12

Which of the following concepts is attributed to Lamarck?

NUMS 2014
Biology
Evolution
Elimination Tool:

25 / 100

Category: Biology

Q.66 Which one of the following is a non-protein group covalently bonded to a few respiratory enzymes among others?

26 / 100

Category: Biology Ch 2 Class 12

The multinucleated mass of the bone-breaking cells is called:

NUMS 2020
Biology
Support and Movement
Elimination Tool:

27 / 100

Category: Biology Ch 4 Class 12

Egg-laying mammals are called:

NUMS 2016
Biology
Reproduction
Elimination Tool:

28 / 100

Category: Biology Ch 7 Class 12

Which of the following statements concerning nucleolus is correct?

NTS 2014
Biology
Cell Cycle
Elimination Tool:

29 / 100

Category: Biology Ch 8 Class 12

Which of the following X – linked recessive trait that is more common in human males than in human females?

NUMS 2019 Cancelled
Biology
Variation and Genetics
Elimination Tool:

30 / 100

Category: Biology Ch 1 Class 12

The mechanism of regulation, generally between organism and its environment, of solutes and the gain and the loss of water is called

31 / 100

Category: Biology Ch 6 Class 11

Which of the following bacteria possesses a spherical shape?

PMC Practice 4
Biology
Kingdom Prokaryote
Elimination Tool:

32 / 100

Category: Biology Ch 2 Class 11

Lecithin is formed by combining phosphatidic acid with ______:

NUMS 2020
Biology
Biological Molecules
Elimination Tool:

33 / 100

Category: Biology

In chemiosmosis, the proton (H+) moves from _______.

NUMS Mock 4
Biology
Bioenergetics

34 / 100

Category: Biology Ch 14 Class 11

Anti-bodies are produced by:

NUMS 2014
Biology
Transport
Elimination Tool:

35 / 100

Category: Biology Ch 2 Class 11

The number of calories required to raise the temperature of 1g of water from 15 to 16?C is called?

36 / 100

Category: Biology Ch 11 Class 11

Which of the following processes does NOT need Pyruvic Acid as a substrate?

PMC 2020
Biology
Bioenergetics
Elimination Tool:

37 / 100

Category: Biology Ch 13 Class 12

Which of the following trophic levels has the largest biomass in ecosystems?

NUMS 2018
Biology
Man and His Environment
Elimination Tool:

38 / 100

Category: Biology Ch 9 Class 12

This enzyme is used to cut DNA molecule in rDNA technology

PMC Sample 2
Biology
Biotechnology
Elimination Tool:

39 / 100

Category: Biology

The system involved in preparing our body in condition of stress and emergency:

NUMS Mock 2
Biology
Coordination and Control

40 / 100

Category: Biology Ch 7 Class 12

The second stage of the Prophase of Meiosis, following Leptotene, during which homologous chromosomes begin to pair is called:

NTS 2019
Biology
Cell Cycle
Elimination Tool:

41 / 100

Category: Biology Ch 9 Class 11

Prosopis glandulosa is the botanical name of _______.

NTS 2016 SMBBMC
Biology
Kingdom Plantae
Elimination Tool:

42 / 100

Category: Biology Ch 10 Class 12

Neo-Darwinism has integrated discoveries and ideas from

43 / 100

Category: Biology Ch 12 Class 11

Which of the following nutrients is incorrectly paired with its function in a plant?

NTS 2016 SMBBMC
Biology
Nutrition
Elimination Tool:

44 / 100

Category: Biology Ch 3 Class 11

An enzyme increases the speed of a reaction:

NTS 2012
Biology
Enzymes
Elimination Tool:

45 / 100

Category: Biology

Q.49 In reproduction, semen refers to which of the following?

46 / 100

Category: Biology Ch 5 Class 11

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

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

47 / 100

Category: Biology Ch 3 Class 11

Non-protein but inorganic, detachable co-factors are called ______:

NUMS 2020
Biology
Enzymes
Elimination Tool:

48 / 100

Category: Biology

Which one of the following is common to all neurons?

NUMS Mock 3
Biology
Coordination and Control

49 / 100

Category: Biology Ch 12 Class 11

Dietary fiber passes through to several structures after leaving the stomach. In which order does the dietary fiber pass through the structures?

NTS 2015 DUHS and JSMU
Biology
Nutrition
Elimination Tool:

50 / 100

Category: Biology Ch 14 Class 11

Regarding structure of the human heart, Chordae Tendinae are present in:

PMC 2020
Biology
Transport
Elimination Tool:

51 / 100

Category: Biology Ch 5 Class 11

The size of smallest virus is:

52 / 100

Category: Biology

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

53 / 100

Category: Biology Ch 1 Class 12

Terrestrial animals like kangaroo rat survive even without drinking water since

54 / 100

Category: Biology

Which of the following statements are true for mitochondria and chloroplasts?

A. ATP synthesis is seen in both
B. Outer membrane has more surface area in both
C. Circular naked DNA, RNA, and 70 ribosomes are seen in both
D. Oxidative phosphorylation occurs in both

NUMS Mock 4
Biology
Cell Structure and Function

55 / 100

Category: Biology Ch 8 Class 12

How many genes control Rh blood group system?

56 / 100

Category: Biology Ch 12 Class 11

Earthworm is an example of ______ feeder

57 / 100

Category: Biology Ch 1 Class 11

Oxygen accounts for ____ % of totals human body mass:

58 / 100

Category: Biology Ch 3 Class 11

If enzyme concentration is low than substrate pH and temperature values are equal to requirement then which of the following will increase rate of reaction.

59 / 100

Category: Biology Ch 3 Class 11

An activated enzyme made of polypeptide chain and a cofactor is?

PMC Practice 2
Biology
Enzymes
Elimination Tool:

60 / 100

Category: Biology

The region of the chromosome or, more specifically, the length of the DNA molecule, which has a particular function is called _______.

NUMS Mock 2
Biology
Chromosomes and DNA

61 / 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:

62 / 100

Category: Biology Ch 10 Class 12

Modification in the organization of the basic pentadactyl limb structure found in vertebrates provides good evidence for the principle of:

NUMS 2020
Biology
Evolution
Elimination Tool:

63 / 100

Category: Biology

The uterus of the female reproductive system opens into the _____.

NUMS Mock 4
Biology
Reproduction

64 / 100

Category: Biology Ch 5 Class 12

The fate of each blastomere is foretold. What will that cleavage be?

PMC Practice 9
Biology
Growth and Development
Elimination Tool:

65 / 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:

66 / 100

Category: Biology Ch 14 Class 11

Arteriosclerosis is:

NUMS 2016
Biology
Transport
Elimination Tool:

67 / 100

Category: Biology Ch 7 Class 11

Which of the following is divided by fission?

NTS 2018
Biology
Kingdom Protista
Elimination Tool:

68 / 100

Category: Biology Ch 8 Class 11

Fungi can tolerate pH from

69 / 100

Category: Biology Ch 8 Class 11

The most common example of members of the kingdom fungi is/are:

NUMS 2017
Biology
Kingdom Fungi
Elimination Tool:

70 / 100

Category: Biology Ch 10 Class 12

Adaptation of traits to better fill a niche is known as which of the following?

PMC Sample 3
Biology
Evolution
Elimination Tool:

71 / 100

Category: Biology Ch 2 Class 11

Which chemical component has the same % in bacterial as well as the mammalian cell?

72 / 100

Category: Biology

Q.18 Which of these is not a reflex action?

73 / 100

Category: Biology Ch 10 Class 11

All of the following are coelomates except

74 / 100

Category: Biology

Q.65 Which one of the following is the attribute of Lamarckism?

75 / 100

Category: Biology Ch 4 Class 12

Treponema pallidum causes:

NUMS 2016
Biology
Reproduction
Elimination Tool:

76 / 100

Category: Biology Ch 11 Class 11

Chlorophyll is insoluble in:

77 / 100

Category: Biology

Q.8 The neurons responsible for everything various external stimuli that come from the environment into corresponding internal stimuli is called:

78 / 100

Category: Biology Ch 2 Class 11

Which of the following has the ability to develop ester linkage with the OH group of Pentose sugar?

NUMS 2015
Biology
Biological Molecules
Elimination Tool:

79 / 100

Category: Biology Ch 2 Class 12

Which one of the following forms the blk of exoskeleton of an arthropod?

80 / 100

Category: Biology Ch 3 Class 11

The Induced fit model was introduced by Koshland in which of the following year?

PMC Sample 1
Biology
Enzymes
Elimination Tool:

81 / 100

Category: Biology Ch 4 Class 11

Autophagosomes are

82 / 100

Category: Biology Ch 12 Class 11

Percentage of magnesium by mass in a human being is:

NUMS 2015
Biology
Nutrition
Elimination Tool:

83 / 100

Category: Biology Ch 2 Class 12

Bones of the skull are joined by:

NTS 2011
Biology
Support and Movement
Elimination Tool:

84 / 100

Category: Biology Ch 11 Class 11

The point at which there is no net exchange of gases between leaves and atmosphere is known as

85 / 100

Category: Biology Ch 3 Class 11

Reversible inhibitors form WEAK linkages with which of the following?

PMC Sample 3
Biology
Enzymes
Elimination Tool:

86 / 100

Category: Biology Ch 3 Class 12

A _____ is a junction between two neurons or between a motor neuron and a muscle cell:

PMC 2020
Biology
Coordination and Control
Elimination Tool:

87 / 100

Category: Biology Ch 11 Class 11

The inner membrane of mitochondrion has many infoldings into the inner chamber, these folding are called as:

NUMS 2019 Reconduct
Biology
Bioenergetics
Elimination Tool:

88 / 100

Category: Biology Ch 5 Class 11

HIV is also known as:

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

89 / 100

Category: Biology

Q.20 Cytochromes are electron transport intermediates containing?

90 / 100

Category: Biology

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

91 / 100

Category: Biology

Transport of glucose across the cell membrane occurs by:

NUMS Mock 1
Biology
Cell Structure and Function

92 / 100

Category: Biology Ch 4 Class 12

Duration of menstrual cycle is how many days on average?

PMC Sample 1
Biology
Reproduction
Elimination Tool:

93 / 100

Category: Biology Ch 14 Class 11

Choose the correct pathway for the flow of blood:

NUMS 2020
Biology
Transport
Elimination Tool:

94 / 100

Category: Biology Ch 10 Class 11

Of the following which one is not the characteristic of Kingdom Animalia.

95 / 100

Category: Biology Ch 7 Class 11

Cysts are not resistant to ______ but spores are:

NUMS 2020
Biology
Kingdom Protista
Elimination Tool:

96 / 100

Category: Biology Ch 13 Class 12

Hydroelectricity is generated by using ______ of falling water.

97 / 100

Category: Biology Ch 8 Class 11

Fungi whose growth is favored by fire is called:

NTS 2016 SMBBMC
Biology
Kingdom Fungi
Elimination Tool:

98 / 100

Category: Biology Ch 7 Class 12

DNA is synthesized and chromosome number is doubled in

99 / 100

Category: Biology Ch 7 Class 12

Failure of separation of sister chromatids is called:

NUMS 2020
Biology
Cell Cycle
Elimination Tool:

100 / 100

Category: Biology Ch 3 Class 12

_________ is sometimes given by injection as an emergency treatment in cardiac arrest:

NUMS 2020
Biology
Coordination and Control
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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