Biology Practice Test 2




Biology Practice Test 2

Biology Practice Test 2 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 molecular biology, cell division, human physiology, plant physiology, and more, helping students improve accuracy and retention.

PLS Academy

Get Access to 20 thousands+ MCQs Including Topical MCQs, Practice Tests, Mock Tests, Solved Past Papers, Flashcards, Notes, FLPS, and Much More.

0%
2514
Created by Ali Durrani

MDCAT Practice Tests

Biology Practice Test 2

This is the Free Access to Limited MCQs. Enroll to PLS Boost Premium Bundle to Get More MCQs HERE

1 / 100

Category: Biology Ch 4 Class 12

In which organism males are haploid?

PMC Sample 1
Biology
Reproduction
Elimination Tool:

2 / 100

Category: Biology Ch 4 Class 11

Strengthening material of prokaryotic cell wall is

3 / 100

Category: Biology

The following statements are about enzymes:

1. They are globular proteins

2. They can be inhibited by competitive inhibitors

3. They are formed in the smooth endoplasmic reticulum

4. There are only found attached to Plasma membranes in the cell

Which statements are correct for all enzymes?

NUMS Mock 3
Biology
Enzymes

4 / 100

Category: Biology Ch 8 Class 12

What CANNOT be true for a man having B+ve blood group?

NUMS 2019 Reconduct
Biology
Variation and Genetics
Elimination Tool:

5 / 100

Category: Biology Ch 3 Class 12

The _____ may be a cell, neuron ending or an organ that receives the stimulus.

NUMS 2019 Reconduct
Biology
Coordination and Control
Elimination Tool:

6 / 100

Category: Biology Ch 4 Class 12

Which characteristic is not of identical twins

7 / 100

Category: Biology Ch 5 Class 12

In cystic fibrosis, liposomes-microscopic vesicles are sued which are coated with:

UHS 2015
Biology
Growth and Development
Elimination Tool:

8 / 100

Category: Biology Ch 2 Class 12

Pseudopodia are:

NTS 2016 DUHS & JSMU
Biology
Support and Movement
Elimination Tool:

9 / 100

Category: Biology Ch 13 Class 12

Wind blows from area of

10 / 100

Category: Biology Ch 7 Class 12

Which statement is incorrect?

11 / 100

Category: Biology

When were bacteriophages discovered by Twort?

NUMS Mock 2
Biology
Bio-diversity | Variety of Life
Variety of Life

12 / 100

Category: Biology

Q.52 A chromosome in which a centromere stays at one end is called?

13 / 100

Category: Biology Ch 4 Class 12

Duration of menstrual cycle is how many days on average?

PMC Sample 1
Biology
Reproduction
Elimination Tool:

14 / 100

Category: Biology Ch 8 Class 11

Yeast reproduces by:

PMC 2021 Tested
Biology
Kingdom Fungi
Elimination Tool:

15 / 100

Category: Biology

Q.59 NADH produced during glycolysis and Krebs cycle will oxidized by:

16 / 100

Category: Biology Ch 8 Class 12

A trait whose alleles are present in both males and females but prominent more in one sex than other is a:

NUMS 2016
Biology
Variation and Genetics
Elimination Tool:

17 / 100

Category: Biology

Egg-Laying mammals are called:

NUMS Mock 3
Biology
Reproduction

18 / 100

Category: Biology Ch 5 Class 12

Microcephaly, the small sized skull is due to:

NUMS 2016
Biology
Growth and Development
Elimination Tool:

19 / 100

Category: Biology Ch 6 Class 12

Diameter of DNA double helix is:

NUMS 2015
Biology
Chromosomes and DNA
Elimination Tool:

20 / 100

Category: Biology

The gene which controls the ABO group has how many alleles in an individual?

NUMS Mock 3
Biology
Variation and Genetics

21 / 100

Category: Biology Ch 8 Class 12

The disease, which is caused by defect in a single gene or pair of genes is referred to as:

NTS 2016 SMBBMC
Biology
Variation and Genetics
Elimination Tool:

22 / 100

Category: Biology Ch 4 Class 11

In which type of cells, cell wall is not present?

PMC 2020
Biology
Cell Structure and Function
Elimination Tool:

23 / 100

Category: Biology Ch 3 Class 11

The lock and key model of enzyme action was proposed by:

PMC Sample 3
Biology
Enzymes
Elimination Tool:

24 / 100

Category: Biology Ch 3 Class 11

A cofactor made of inorganic ion which is detachable is called

25 / 100

Category: Biology Ch 7 Class 11

Which part of bacteria is most delicate and damage to it can kill the bacteria?

PMC 2021 Tested
Biology
Kingdom Protista
Elimination Tool:

26 / 100

Category: Biology Ch 3 Class 12

The _____ is the main nutritional part and it’s concerned with the biosynthesis of materials necessary for neurons.

NUMS 2019 Reconduct
Biology
Coordination and Control
Elimination Tool:

27 / 100

Category: Biology Ch 6 Class 11

Select a method which causes the oxidation of chemical constituent of a bacterial cell:

PMC 2020
Biology
Kingdom Prokaryote
Elimination Tool:

28 / 100

Category: Biology Ch 6 Class 12

Which is incorrect?

29 / 100

Category: Biology Ch 11 Class 12

Disease in living organisms caused by parasites is called

30 / 100

Category: Biology Ch 13 Class 12

Water constitutes –% of body weight?

31 / 100

Category: Biology Ch 6 Class 11

Purple non-sulphur bacteria is an example of which of the following?

PMC Practice 2
Biology
Kingdom Prokaryote
Elimination Tool:

32 / 100

Category: Biology Ch 5 Class 12

Intercalary meristems are of

33 / 100

Category: Biology Ch 5 Class 11

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

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

34 / 100

Category: Biology Ch 4 Class 11

Detoxification of drugs is the function of _____ in a cell.

NUMS 2016
Biology
Cell Structure and Function
Elimination Tool:

35 / 100

Category: Biology Ch 10 Class 12

The organs which are similar in function but differ in structure are called:

PMC 2020
Biology
Evolution
Elimination Tool:

36 / 100

Category: Biology Ch 13 Class 12

Wild life refers to

37 / 100

Category: Biology

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

NUMS Mock 2
Biology
Biological Molecules

38 / 100

Category: Biology Ch 3 Class 11

In 1959, Koshland proposed which of the following?

PMC Practice 1
Biology
Enzymes
Elimination Tool:

39 / 100

Category: Biology

_________ is the exact position of a gene on the chromosome.

NUMS Mock 3
Biology
Chromosomes and DNA

40 / 100

Category: Biology

DNA fingerprinting is basically done for:

NUMS Mock 1
Biology
Biotechnology

41 / 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 2019 Reconduct
Biology
Gaseous Exchange
Elimination Tool:

42 / 100

Category: Biology Ch 8 Class 11

Fungi which cause thrush in humans:

UHS 2013
Biology
Kingdom Fungi
Elimination Tool:

43 / 100

Category: Biology

A group of biologically active molecules formed from amino acids which interact with the surface of the lipid bilayer of cell membranes are called:

NUMS Mock 3
Biology
Biological Molecules

44 / 100

Category: Biology Ch 11 Class 11

Which of the following light is least absorbed by the plants:

45 / 100

Category: Biology Ch 9 Class 11

Mosses are included in sub-division

46 / 100

Category: Biology Ch 9 Class 12

Cloning is a form of:

NUMS 2016
Biology
Biotechnology
Elimination Tool:

47 / 100

Category: Biology Ch 9 Class 11

Which of the following statement about alternation of generation in bryophytes is incorrect?

48 / 100

Category: Biology Ch 9 Class 11

Which one of the following types of cell are found in secondary xylem of angiosperms?

NTS 2015 DUHS and JSMU
Biology
Kingdom Plantae
Elimination Tool:

49 / 100

Category: Biology Ch 11 Class 12

A dual organism composed of symbiotic association of an alga living within a fungus myceliium is

50 / 100

Category: Biology Ch 7 Class 12

Meiosis occurs at the time of

51 / 100

Category: Biology Ch 1 Class 11

Group of living organisms of the same species living in the same place at the same time is called

52 / 100

Category: Biology Ch 10 Class 11

All of the following are mammals EXCEPT the:

NTS 2017
Biology
Kingdom Animalia
Elimination Tool:

53 / 100

Category: Biology Ch 11 Class 12

All populations within an ecosystem interconnected to one another are known as

54 / 100

Category: Biology Ch 4 Class 12

Which one of the following represents the changes that occur in the ovary and the uterus approximately every 28 days involving ovulation with the breakdown and loss of the lining of the uterus?

PMC 2020
Biology
Reproduction
Elimination Tool:

55 / 100

Category: Biology Ch 10 Class 11

Actinia is the biological name of:

NUMS 2018
Biology
Kingdom Animalia
Elimination Tool:

56 / 100

Category: Biology Ch 6 Class 11

The presence of peptidoglycan in gram-positive bacteria is:

PMC Practice 3
Biology
Kingdom Prokaryote
Elimination Tool:

57 / 100

Category: Biology Ch 9 Class 11

The release of droplets of water from hydathodes is called:

PMC 2021 Tested
Biology
Kingdom Plantae
Elimination Tool:

58 / 100

Category: Biology Ch 7 Class 11

Which of the following is TRUE about Amoebae?

PMC 2020
Biology
Kingdom Protista
Elimination Tool:

59 / 100

Category: Biology Ch 5 Class 11

The size of poxvirus is:

60 / 100

Category: Biology Ch 13 Class 11

Guard cells function as:

NUMS 2019 Cancelled
Biology
Gaseous Exchange
Elimination Tool:

61 / 100

Category: Biology Ch 4 Class 11

Who first observed and thus hypothesized that new cells are formed from previously existing living cell?

62 / 100

Category: Biology Ch 5 Class 11

Closely related species are grouped together into ______ .

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

63 / 100

Category: Biology Ch 8 Class 12

Ahmed’s blood CANNOT clot properly; he was diagnosed with hemophilia A. He passed this trait to his grandson through his:

NUMS 2019 Reconduct
Biology
Variation and Genetics
Elimination Tool:

64 / 100

Category: Biology Ch 2 Class 11

Mono-saccharides have a general formula represented by:

PMC 2020
Biology
Biological Molecules
Elimination Tool:

65 / 100

Category: Biology

Q.63  Ozone depletion is commonly caused by:

66 / 100

Category: Biology Ch 3 Class 12

Type of neurons found exclusively in CNS are:

67 / 100

Category: Biology Ch 5 Class 12

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

PMC Practice 1
Biology
Growth and Development
Elimination Tool:

68 / 100

Category: Biology Ch 8 Class 12

Continuous variations in a population were first observed by:

NUMS 2015
Biology
Variation and Genetics
Elimination Tool:

69 / 100

Category: Biology Ch 9 Class 11

The male reproductive parts of the flower are called

UHS 2012
Biology
Kingdom Plantae
Elimination Tool:

70 / 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

71 / 100

Category: Biology Ch 5 Class 12

Which of the following is NOT a function of Abscisic acid?

PMC Sample 3
Biology
Growth and Development
Elimination Tool:

72 / 100

Category: Biology Ch 3 Class 11

The inhibitor which closely resembles the substrate in its molecular structure and inhibits the enzyme activity by binding to the active site of the enzyme is called:

NTS 2013
Biology
Enzymes
Elimination Tool:

73 / 100

Category: Biology

Q.18   Pick the incorrect pair:

74 / 100

Category: Biology Ch 14 Class 11

Antibodies are manufactured in:

PMC 2020
Biology
Transport
Elimination Tool:

75 / 100

Category: Biology Ch 13 Class 11

Thick, waxy & leathery cuticle around leaves is present in which of the following?

PMC Sample 2
Biology
Gaseous Exchange
Elimination Tool:

76 / 100

Category: Biology Ch 6 Class 11

Which of the following is not a sterilization method for the control of bacteria?

PMC Practice 4
Biology
Kingdom Prokaryote
Elimination Tool:

77 / 100

Category: Biology Ch 8 Class 12

Haemophilia occurs because of:

PMC 2020
Biology
Variation and Genetics
Elimination Tool:

78 / 100

Category: Biology Ch 6 Class 11

Which of the following has a chain arrangement?

79 / 100

Category: Biology

Q.2 Competitive inhibition can be overcome by using

80 / 100

Category: Biology Ch 10 Class 12

The total aggregate of genes in a population at any one time is called population’s

81 / 100

Category: Biology Ch 1 Class 12

________ are animals that do not adjust their internal osmolality and are isotonic with their environment.

NUMS 2019 Cancelled
Biology
Homeostasis
Elimination Tool:

82 / 100

Category: Biology Ch 2 Class 12

Pick the mismatched pair for birds:

NUMS 2015
Biology
Support and Movement
Elimination Tool:

83 / 100

Category: Biology Ch 3 Class 12

Abscisic acid promotes flowering in short day plants and inhibits in long day plants, which of the following is antagonistic to abscisic acid in terms of flowering:

84 / 100

Category: Biology

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

NUMS Mock 4
Biology
Coordination and Control

85 / 100

Category: Biology Ch 5 Class 12

In multicellular plants cell division occur by

86 / 100

Category: Biology

The scientific name of thorn Apple is?

NUMS Mock 2
Biology
Kingdom Plantae

87 / 100

Category: Biology Ch 4 Class 11

Autophagosomes are

88 / 100

Category: Biology

Population growth is checked by which of the following?

NUMS Mock 3
Biology
Evolution

89 / 100

Category: Biology Ch 14 Class 11

The causes of Cyanosis include:

NTS 2010
Biology
Transport
Elimination Tool:

90 / 100

Category: Biology Ch 9 Class 11

Which of the following is included in Bryophytes?

NTS 2011
Biology
Kingdom Plantae
Elimination Tool:

91 / 100

Category: Biology Ch 9 Class 11

Sporophyte is

92 / 100

Category: Biology Ch 3 Class 12

Which body function is controlled through a positive feedback mechanism?

PMC 2020
Biology
Coordination and Control
Elimination Tool:

93 / 100

Category: Biology

Q.28 Flame cells in Planaria constitute the:

94 / 100

Category: Biology Ch 1 Class 12

Sunken stomata are found in:

NUMS 2014
Biology
Homeostasis
Elimination Tool:

95 / 100

Category: Biology

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

NUMS Mock 4
Biology
Chromosomes and DNA

96 / 100

Category: Biology Ch 8 Class 11

How many species of fungi are known till now

97 / 100

Category: Biology Ch 12 Class 11

Nitrogen-fixing bacteria in root nodules fix nitrogen in soil air into:

NUMS 2015
Biology
Nutrition
Elimination Tool:

98 / 100

Category: Biology

The autonomic nervous system controls all of the following activities except:

NUMS Mock 1
Biology
Coordination and Control

99 / 100

Category: Biology Ch 7 Class 11

Pili are mainly found on certain species of:

PMC 2021 Tested
Biology
Kingdom Protista
Elimination Tool:

100 / 100

Category: Biology Ch 11 Class 11

Which of the following pigment is Blue- green in colour:

Your score is

The average score is 57%

0%

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 2 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.

JazakAllah

BIG SALE! FLAT 50% OFF

Protected