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.

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Biology Practice Test 2

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1 / 100

Category: Biology Ch 9 Class 12

The genetically Engineered vaccine is not available for which of the following?

PMC Practice 8
Biology
Biotechnology
Elimination Tool:

2 / 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:

3 / 100

Category: Biology

Q.20  Of the following, which one is not the characteristic of kingdom animalia:

4 / 100

Category: Biology Ch 5 Class 12

A plant has a growth pattern called

5 / 100

Category: Biology Ch 5 Class 12

______ is the reconstruction of the lost part of the body.

NTS 2012
Biology
Growth and Development
Elimination Tool:

6 / 100

Category: Biology Ch 1 Class 12

The site and principal mechanism for the passage of glucose into the bloodstream in the human kidney is the:

NTS 2014
Biology
Homeostasis
Elimination Tool:

7 / 100

Category: Biology

Lecithin is formed by combining phosphatidic acid with ______:

NUMS Mock 1
Biology
Biological Molecules

8 / 100

Category: Biology Ch 2 Class 12

Type of sclerenchyma cells found in seed coats are:

NUMS 2015
Biology
Support and Movement
Elimination Tool:

9 / 100

Category: Biology Ch 1 Class 12

Which of the following substances helps to concentrate urine?

NUMS 2020
Biology
Homeostasis
Elimination Tool:

10 / 100

Category: Biology Ch 6 Class 11

Which of the following structure is not present in all the bacteria?

11 / 100

Category: Biology Ch 9 Class 12

Cloning is the production of genetically identical copies of organisms/cells by:

NUMS 2015
Biology
Biotechnology
Elimination Tool:

12 / 100

Category: Biology Ch 9 Class 12

A technique in transgenic animals in which desired gene is inserted into the eggs of animal is called:

UHS 2015
Biology
Biotechnology
Elimination Tool:

13 / 100

Category: Biology Ch 9 Class 12

Which of the following is the components / tools of recombinant DNA technology?

PMC 2020
Biology
Biotechnology
Elimination Tool:

14 / 100

Category: Biology

Eukaryotic, multicellular, and consumers belong to ______ kingdom.

NUMS Mock 3
Biology
Bio-diversity | Variety of Life

15 / 100

Category: Biology

The table shows the characteristics of the blood in one blood vessel in the body.

Which blood vessel contains blood with these characteristics?

NUMS Mock 1
Biology
Transport

16 / 100

Category: Biology

_______ is involved in lipid synthesis/metabolism.

NUMS Mock 4
Biology
Cell Structure and Function

17 / 100

Category: Biology

The RNA found in Ribosomes is:

NUMS Mock 1
Biology
Chromosomes and DNA

18 / 100

Category: Biology

Q44 Study of fossils is called

19 / 100

Category: Biology

According to the theory of natural selection, organisms produce:

NUMS Mock 2
Biology
Evolution

20 / 100

Category: Biology Ch 9 Class 11

The botanical name of gum tree ls:

NTS 2013
Biology
Kingdom Plantae
Elimination Tool:

21 / 100

Category: Biology Ch 6 Class 12

The Meselson and Stahl experiment confirmed that DNA replicates in _____ manner.

NUMS 2019 Reconduct
Biology
Chromosomes and DNA
Elimination Tool:

22 / 100

Category: Biology Ch 3 Class 11

Most enzymes have an optimum temperature of around:

PMC 2020
Biology
Enzymes
Elimination Tool:

23 / 100

Category: Biology

Q.12 An enzyme without its cofactor is called.

24 / 100

Category: Biology Ch 11 Class 12

Sequence of changes in community and its non-living environment over a period of time is

25 / 100

Category: Biology Ch 5 Class 11

Those organisms which can prepare their own food from simple inorganic material and can store energy are called

26 / 100

Category: Biology Ch 14 Class 11

Highest blood pressure is found in:

NUMS 2015
Biology
Transport
Elimination Tool:

27 / 100

Category: Biology Ch 6 Class 11

The size of Spirochete is

28 / 100

Category: Biology Ch 6 Class 11

When were bacteriophages discovered by Twort?

PMC Practice 5
Biology
Kingdom Prokaryote
Elimination Tool:

29 / 100

Category: Biology Ch 10 Class 12

The following observations refer to evolution:

Inherited variations which are favored in a particular environment are passed on
There is a struggle for existence
Across time, inherited variations may accumulate causing gradual changes in the organism
Although populations tend to overproduce, they remain more or less constant in numbers from generation to generation
In what sequence should the statement be placed to support the Darwin theory of evolution?

NTS 2015 DUHS and JSMU
Biology
Evolution
Elimination Tool:

30 / 100

Category: Biology Ch 5 Class 12

In plants growth is of

31 / 100

Category: Biology

Q.46 The path of electrons through the two photosystems is called?

32 / 100

Category: Biology Ch 7 Class 12

Spread of tumor cells and establishment of secondary areas of growth is

33 / 100

Category: Biology Ch 6 Class 11

The presence of peptidoglycan in gram-positive bacteria is:

PMC Practice 3
Biology
Kingdom Prokaryote
Elimination Tool:

34 / 100

Category: Biology Ch 9 Class 11

The space between the overtopped dichotomous branches was occupied by a sheet of which cells during evolution of megaphylls?

PMC Sample 2
Biology
Kingdom Plantae
Elimination Tool:

35 / 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:

36 / 100

Category: Biology Ch 10 Class 11

Aschelminthes is also known as

37 / 100

Category: Biology Ch 9 Class 12

Some transgenic bacteria produce a dipeptide sweetener called

38 / 100

Category: Biology Ch 10 Class 11

Which of the following phylum and its examples is NOT correct?

NUMS 2017
Biology
Kingdom Animalia
Elimination Tool:

39 / 100

Category: Biology Ch 3 Class 12

In an experiment, the production of hormone secretin was blocked. As a result, levels of all of the following enzymes were affected EXCEPT:

NTS 2014
Biology
Coordination and Control
Elimination Tool:

40 / 100

Category: Biology Ch 10 Class 11

All the animals of the grade radiata are

41 / 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:

42 / 100

Category: Biology Ch 2 Class 11

Reactions in which simple substances are combined to form complex substances are called:

43 / 100

Category: Biology

The scientific name of thorn Apple is?

NUMS Mock 2
Biology
Kingdom Plantae

44 / 100

Category: Biology Ch 3 Class 12

How many meninges cover the human brain?

NTS 2014
Biology
Coordination and Control
Elimination Tool:

45 / 100

Category: Biology Ch 8 Class 11

In an ecosystem mycorrhizae are an example of:

UHS 2013
Biology
Kingdom Fungi
Elimination Tool:

46 / 100

Category: Biology Ch 2 Class 12

The process of cartilage formation is known as:

NUMS 2014
Biology
Support and Movement
Elimination Tool:

47 / 100

Category: Biology

Q.1 In all plants the major sites of photosynthesis are?

48 / 100

Category: Biology Ch 11 Class 11

In paper chromatography xanthophyll will give ______ color:

NTS 2010
Biology
Bioenergetics
Elimination Tool:

49 / 100

Category: Biology Ch 4 Class 12

Seeds are dormant in conditions of

50 / 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:

51 / 100

Category: Biology

An Rh negative woman is married to an Rh positive man whose father was also Rh negative. What are the chances that their child will be affected?

NUMS Mock 4
Biology
Variation and Genetics

52 / 100

Category: Biology Ch 5 Class 11

Viruses without nuclear envelope is called as?

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

53 / 100

Category: Biology

Q.51 The water splitting step of photosynthesis is called?

54 / 100

Category: Biology Ch 9 Class 11

Sporophyte is

55 / 100

Category: Biology Ch 2 Class 11

The melting point of unsaturated fatty acids:

NUMS 2019 Reconduct
Biology
Biological Molecules
Elimination Tool:

56 / 100

Category: Biology Ch 3 Class 12

Which one of the following is common to all neurons?

PMC 2020
Biology
Coordination and Control
Elimination Tool:

57 / 100

Category: Biology Ch 7 Class 11

Radiolarians belong to which of the following protozoal group?

58 / 100

Category: Biology Ch 5 Class 12

Thymus is found in the human body in _____.

PMC Practice 2
Biology
Growth and Development
Elimination Tool:

59 / 100

Category: Biology Ch 9 Class 11

Red algae do not contribute towards:

PMC 2020
Biology
Kingdom Plantae
Elimination Tool:

60 / 100

Category: Biology Ch 4 Class 12

Male and female sea urchins release their sperm and eggs Into the water where fertilization takes place. How can their reproduction be described?

NTS 2013
Biology
Reproduction
Elimination Tool:

61 / 100

Category: Biology Ch 6 Class 11

When was the bacteriophage phenomena rediscovered by D’Herelle?

PMC Practice 4
Biology
Kingdom Prokaryote
Elimination Tool:

62 / 100

Category: Biology Ch 8 Class 11

An association between two organisms benefiting both is called

UHS 2010
Biology
Kingdom Fungi
Elimination Tool:

63 / 100

Category: Biology

Q.31  Due to short distance between lungs and heart, walls of right ventricle are:

64 / 100

Category: Biology

Q.34 What molecule would you not expect to find in a refrovirus

65 / 100

Category: Biology Ch 7 Class 11

Golden algae are also known as

66 / 100

Category: Biology Ch 9 Class 12

Passive immunity is used against:

UHS 2015
Biology
Biotechnology
Elimination Tool:

67 / 100

Category: Biology Ch 6 Class 11

For respiratory metabolism, a bacterial cell membrane contains:

PMC Practice 4
Biology
Kingdom Prokaryote
Elimination Tool:

68 / 100

Category: Biology Ch 8 Class 11

An association in which fungal hyphae penetrate the outer cells of the plant root forming coils swellings and minute branches and also extend out into surrounding soil is called:

69 / 100

Category: Biology Ch 8 Class 11

Fungi whose growth is favored by fire is called:

NTS 2016 SMBBMC
Biology
Kingdom Fungi
Elimination Tool:

70 / 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:

71 / 100

Category: Biology

Q.2 Competitive inhibition can be overcome by using

72 / 100

Category: Biology

Muscular tube that passes through pharynx and joins stomach is:

NUMS Mock 1
Biology
Nutrition

73 / 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:

74 / 100

Category: Biology Ch 9 Class 11

The simplest of all bryophytes are

75 / 100

Category: Biology Ch 5 Class 12

Meristems are of

76 / 100

Category: Biology

Booklungs serve the function of respiration in:

NUMS Mock 3
Biology
Gaseous Exchange

77 / 100

Category: Biology Ch 2 Class 11

Proteoglycan in cartilages (which consists of polysaccharides) are also attached to:

NUMS 2014
Biology
Biological Molecules
Elimination Tool:

78 / 100

Category: Biology Ch 5 Class 12

The most abundant organic molecule on the planet earth is:

NUMS 2016
Biology
Growth and Development
Elimination Tool:

79 / 100

Category: Biology Ch 6 Class 11

Spirochaete bacterium Treponema Pallidum causes ______.

NTS 2016 SMBBMC
Biology
Kingdom Prokaryote
Elimination Tool:

80 / 100

Category: Biology Ch 1 Class 12

In humans, the temperature regulation control center is located in:

PMC 2020
Biology
Homeostasis
Elimination Tool:

81 / 100

Category: Biology

Q.35 Ribose is a monosaccharide constituent of man

82 / 100

Category: Biology Ch 5 Class 12

Cambium are examples of

83 / 100

Category: Biology Ch 2 Class 11

Ribosomes are composed of almost an equal amount of:

NUMS 2018
Biology
Biological Molecules
Elimination Tool:

84 / 100

Category: Biology Ch 8 Class 12

Which of the following characters of pea plant is dominant?

85 / 100

Category: Biology

Q.23 Reflex action is type of

86 / 100

Category: Biology Ch 11 Class 11

First stable compound during Calvin cycle is:

PMC 2020
Biology
Bioenergetics
Elimination Tool:

87 / 100

Category: Biology Ch 2 Class 12

Myofibrils, within the muscle fibers, contain thick and thin filaments made up of _____ and ______ respectively:

NUMS 2020
Biology
Support and Movement
Elimination Tool:

88 / 100

Category: Biology Ch 7 Class 11

This protist has isomorphic alternation of generation:

PMC 2021 Tested
Biology
Kingdom Protista
Elimination Tool:

89 / 100

Category: Biology Ch 6 Class 12

The biochemical analysis of a sample of DNA shows that 32% of the nitrogenous bases are cytosine. What is the total % of adenine and uracil in RNA transcribed from this DNA?

NTS 2015 SMBBMC
Biology
Chromosomes and DNA
Elimination Tool:

90 / 100

Category: Biology

The spectrum of He is expected to be similar to that of:

NUMS Mock 4
Chemistry
Atomic Structure

91 / 100

Category: Biology

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

92 / 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:

93 / 100

Category: Biology Ch 8 Class 12

Continuous variations in a population were first observed by:

NUMS 2015
Biology
Variation and Genetics
Elimination Tool:

94 / 100

Category: Biology

Q3 Assymetrical body is a feature of phylum

95 / 100

Category: Biology Ch 13 Class 11

Active site of Rubisco is evolved to bind

96 / 100

Category: Biology Ch 3 Class 11

A cofactor made of inorganic ion which is detachable is called

97 / 100

Category: Biology Ch 6 Class 11

Gram negative bacteria are stained pink by the use of:

NUMS 2016
Biology
Kingdom Prokaryote
Elimination Tool:

98 / 100

Category: Biology Ch 12 Class 11

Of the following, which one has more variety of nutrition?

99 / 100

Category: Biology Ch 12 Class 12

Mountains of Koh Hindukush come under

100 / 100

Category: Biology Ch 6 Class 12

Bacteria were grown in a medium containing heavy isotope of nitrogen (N15) for many generations and all their DNA contained many heavy nitrogen only. A bacterium of this type was transferred to normal medium and allowed to duplicate. After two divisions of heavy DNA is likely to be that:

NTS 2012
Biology
Chromosomes and DNA
Elimination Tool:

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The average score is 57%

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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 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.

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