Biology Practice Test 3

Entry test contains most of the Biology MCQs. FSC Pre-Medical Part 2 Biology book MCQs. HSSC bio questions MCQs. Solved Chapterwise Biology MCQs for first-year 12 class MCQs and 11 class MCQs. Second-year and first-year Biology textbooks chapter-wise MCQs with the answer are provided here. The Biology portion is helpful in MDCAT , NTS NAT , and NUST . PakLearningSpot PLS MCQs Bank website for FREE Entry test preparations




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Biology Practice Test 3

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1 / 100

Category: Biology Ch 13 Class 11

As pH of blood decreases, H+ ions increases, which combine the proteins part of hemoglobin, to decrease its ability to bind with:

NUMS 2017
Biology
Gaseous Exchange
Elimination Tool:

2 / 100

Category: Biology

Below the point at which the cotyledons are attached, the embryo axis is called _______.

NUMS Mock 2
Biology
Kingdom Plantae

3 / 100

Category: Biology Ch 3 Class 12

Cell membrane under resting conditions is impermeable to all the ions except

4 / 100

Category: Biology Ch 5 Class 12

Meristems are group of cells that

5 / 100

Category: Biology

The function of respiratory passage, Cilia is to keep the airways clear of:

NUMS Mock 4
Biology
Gaseous Exchange

6 / 100

Category: Biology

The best function of coelom is described as ____.

NUMS Mock 1
Biology
Kingdom Animalia

7 / 100

Category: Biology Ch 1 Class 12

Right kidney is slightly lower than left kidney due to:

NUMS 2018
Biology
Homeostasis
Elimination Tool:

8 / 100

Category: Biology Ch 13 Class 11

Oxygen is transported by combining with ……….. in Hb.

NUMS 2015
Biology
Gaseous Exchange
Elimination Tool:

9 / 100

Category: Biology Ch 9 Class 12

Choose the term from the following which is NOT a part of gene therapy?

NTS 2019
Biology
Biotechnology
Elimination Tool:

10 / 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:

11 / 100

Category: Biology Ch 4 Class 12

Which statement is incorrect?

12 / 100

Category: Biology

Which type of protein structure contains the three dimensional structure?

NUMS Mock 4
Biology
Biological Molecules

13 / 100

Category: Biology Ch 10 Class 12

Who developed a theory of natural selection essentially identical to Darwin’s

14 / 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:

15 / 100

Category: Biology Ch 5 Class 12

Vegetative roots and shoots grow by

16 / 100

Category: Biology Ch 2 Class 11

Which of the statement is not true for compounds like glycoprotein and glycolipids?

17 / 100

Category: Biology Ch 7 Class 12

Synthesis of microtubules increases in:

UHS 2018
Biology
Cell Cycle
Elimination Tool:

18 / 100

Category: Biology Ch 8 Class 11

Parasitic fungi absorbs nutrients directly from the living host with the help of special hyphae tips called _______.

NTS 2012
Biology
Kingdom Fungi
Elimination Tool:

19 / 100

Category: Biology Ch 5 Class 12

_____ cells store surplus food and _____ cells produce new cells for growth and development of the plant:

NUMS 2019 Cancelled
Biology
Growth and Development
Elimination Tool:

20 / 100

Category: Biology Ch 6 Class 11

Germ theory was presented by:

NUMS 2016
Biology
Kingdom Prokaryote
Elimination Tool:

21 / 100

Category: Biology Ch 13 Class 11

Number of spiracles present in the thorax of cockroach is

22 / 100

Category: Biology Ch 10 Class 12

During aristotle time, it was thought that

PMC Sample 3
Biology
Evolution
Elimination Tool:

23 / 100

Category: Biology Ch 13 Class 11

The oxygen-binding protein present in skeletal muscles is:

NUMS 2017
Biology
Gaseous Exchange
Elimination Tool:

24 / 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:

25 / 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:

26 / 100

Category: Biology

Q.49 Another name for the sex cell is:

27 / 100

Category: Biology Ch 8 Class 12

What is the risk of color blind baby boy in a family when mother is color blind but father is normal?

NUMS 2019 Cancelled
Biology
Variation and Genetics
Elimination Tool:

28 / 100

Category: Biology Ch 1 Class 12

Ammonia is chief excretory product in:

NUMS 2014
Biology
Homeostasis
Elimination Tool:

29 / 100

Category: Biology Ch 1 Class 12

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

30 / 100

Category: Biology Ch 3 Class 11

Lock and Key Model for enzyme action propose by Emil Fischer suggests that:

PMC 2020
Biology
Enzymes
Elimination Tool:

31 / 100

Category: Biology Ch 14 Class 11

Autoimmune diseases act as the principle of:

PMC 2020
Biology
Transport
Elimination Tool:

32 / 100

Category: Biology Ch 3 Class 12

Which type of the receptors are present in the ear?

33 / 100

Category: Biology Ch 13 Class 11

Which one of the following is a genetic disorder in which abnormally thick mucus is produced in the lungs and other parts of the body?

NUMS 2020
Biology
Gaseous Exchange
Elimination Tool:

34 / 100

Category: Biology Ch 8 Class 11

Constricting ring around nematode is formed by

35 / 100

Category: Biology Ch 10 Class 12

The wings of birds and the forelegs of a horse are _____ structures.

NUMS 2016
Biology
Evolution
Elimination Tool:

36 / 100

Category: Biology

Which of the following will not undergo aldol condensation?

NUMS Mock 2
Chemistry
Aldehydes and Ketones

37 / 100

Category: Biology Ch 13 Class 12

Water constitutes –% of body weight?

38 / 100

Category: Biology

_____ are more common in human males and females.

NUMS Mock 3
Biology
Variation and Genetics

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Category: Biology

Q.16  Retroviruses have a special enzyme ‘reverse transcriptase’ which can convert ____________into ___________.

40 / 100

Category: Biology Ch 3 Class 12

The only promoter of leaf senescence in the following plant hormones is:

41 / 100

Category: Biology

Q.25  The substrate of the trypsin is:

42 / 100

Category: Biology Ch 10 Class 11

Which one of the following is a fish?

NTS 2012
Biology
Kingdom Animalia
Elimination Tool:

43 / 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:

44 / 100

Category: Biology

Q.22 What are T Cells and their rolelin IHV infection?

45 / 100

Category: Biology

Q.65 Which of the following statements about the systemic affect of bacterial cells are true?

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Category: Biology Ch 6 Class 12

In semi-conservative replication

47 / 100

Category: Biology

Q.18   Pick the incorrect pair:

48 / 100

Category: Biology Ch 3 Class 11

Which type of bonds are never formed when a substrate fits into the active site of an enzyme?

PMC Practice 1
Biology
Enzymes
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

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

NUMS Mock 3
Biology
Reproduction

51 / 100

Category: Biology Ch 12 Class 11

Carbohydrates, fats & proteins are essential for:

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Category: Biology

Q.57 Electron transport chain pumps protons across the membrane from __________ to ____________.

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Category: Biology

Eukaryotic, multicellular, and consumers belong to ______ kingdom.

NUMS Mock 3
Biology
Bio-diversity | Variety of Life

54 / 100

Category: Biology Ch 8 Class 11

Parasitic fungi absorb nutrients directly from the living host cytoplasm with the help of special hyphal tips called

55 / 100

Category: Biology Ch 7 Class 12

Which of the following cells does not enter G0 phase?

NUMS 2020
Biology
Cell Cycle
Elimination Tool:

56 / 100

Category: Biology Ch 11 Class 12

Wood forests form the

57 / 100

Category: Biology Ch 6 Class 11

Which of the following is true of both bacterial conjugation and meiosis?

PMC Practice 3
Biology
Kingdom Prokaryote
Elimination Tool:

58 / 100

Category: Biology Ch 14 Class 11

The cells which play a very important role in developing immunity are:

NUMS 2020
Biology
Transport
Elimination Tool:

59 / 100

Category: Biology

The dark reactions of photosynthesis are characterized by:

NUMS Mock 1
Biology
Bioenergetics

60 / 100

Category: Biology Ch 10 Class 12

A group of interbreeding individuals belonging to a particular species and sharing a common geopraphic area is called

61 / 100

Category: Biology Ch 7 Class 12

If a person has 44 autosomes + XXY, he will suffer from

UHS 2012
Biology
Cell Cycle
Elimination Tool:

62 / 100

Category: Biology Ch 11 Class 12

Plants growing in xeric conditions are called

63 / 100

Category: Biology Ch 1 Class 12

Among the followings which is the most longest supportive cell?

64 / 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:

65 / 100

Category: Biology Ch 5 Class 12

Germ layers are formed in which stage of development?

NUMS 2020
Biology
Growth and Development
Elimination Tool:

66 / 100

Category: Biology Ch 3 Class 11

Some enzymes require the presence of a non protein molecule to behave catalytically. An enzyme devoid of this molecule is called a(n):

NTS 2013
Biology
Enzymes
Elimination Tool:

67 / 100

Category: Biology

The numbers of capsomeres found in adenovirus capsid is?

NUMS Mock 3
Biology
Bio-diversity | Variety of Life

68 / 100

Category: Biology Ch 3 Class 11

The pH at which the activity of pancreatic lipase enzyme is maximum is:

NUMS 2019 Cancelled
Biology
Enzymes
Elimination Tool:

69 / 100

Category: Biology Ch 13 Class 11

Parabronchi are open at ______ end/s

70 / 100

Category: Biology Ch 4 Class 11

Which of the following cells does not have nucleus?

NUMS 2020
Biology
Cell Structure and Function
Elimination Tool:

71 / 100

Category: Biology Ch 2 Class 11

Water acts as a universal solvent because of:

PMC 2020
Biology
Biological Molecules
Elimination Tool:

72 / 100

Category: Biology Ch 2 Class 12

Which of the following animal has a hydrostatic skeleton:

73 / 100

Category: Biology Ch 3 Class 11

A/An _______ is mostly a non-protein chemical compound that is required for the protein’s biological activity.

NTS 2019
Biology
Enzymes
Elimination Tool:

74 / 100

Category: Biology Ch 10 Class 11

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

75 / 100

Category: Biology Ch 13 Class 11

Number of spiracles present in cockroach is

76 / 100

Category: Biology Ch 10 Class 12

Homology means

PMC Sample 3
Biology
Evolution
Elimination Tool:

77 / 100

Category: Biology Ch 6 Class 12

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

NTS 2016 DUHS & JSMU
Biology
Chromosomes and DNA
Elimination Tool:

78 / 100

Category: Biology Ch 10 Class 11

Which one of following is a true fish?

NUMS 2014
Biology
Kingdom Animalia
Elimination Tool:

79 / 100

Category: Biology Ch 2 Class 11

The specific heat capacity of water is the number of calories required to raise the temperature of water from _____ ˚C is 1.0.

NUMS 2019 Reconduct
Biology
Biological Molecules
Elimination Tool:

80 / 100

Category: Biology

The RNA found in Ribosomes is:

NUMS Mock 1
Biology
Chromosomes and DNA

81 / 100

Category: Biology Ch 10 Class 12

Neo-Darwinism has integrated discoveries and ideas from

82 / 100

Category: Biology Ch 4 Class 12

Which method is of asexual reproduction?

83 / 100

Category: Biology

Which of the following is not related to apoptosis?

NUMS Mock 1
Biology
Growth and Development

84 / 100

Category: Biology Ch 9 Class 12

Taq polymerase is extracted from a bacterium

85 / 100

Category: Biology

Q.41 The period during which a girl sexually matures is called

86 / 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:

87 / 100

Category: Biology Ch 10 Class 12

If allele frequency for a dominant allele is 0.4. What will be the number of heterogeneous individuals if the population is of 100 individuals with diploid traits.

NUMS 2015
Biology
Evolution
Elimination Tool:

88 / 100

Category: Biology Ch 7 Class 11

Golden algae are also known as

89 / 100

Category: Biology Ch 10 Class 11

Pinacocytes forms ______.

NUMS 2018
Biology
Kingdom Animalia
Elimination Tool:

90 / 100

Category: Biology

Lymph vessels transfer the lymph into blood through_________.

NUMS Mock 3
Biology
Transport

91 / 100

Category: Biology Ch 3 Class 11

Inactive enzyme precursors such as pepsinogen for pepsin are called as:

PMC Practice 1
Biology
Enzymes
Elimination Tool:

92 / 100

Category: Biology Ch 5 Class 11

Which of the following is not related to the enveloped virus?

PMC 2020
Biology
Bio-diversity | Variety of Life
Elimination Tool:

93 / 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:

94 / 100

Category: Biology Ch 3 Class 11

A cofactor made of inorganic ion which is detachable is called

95 / 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:

96 / 100

Category: Biology

Q.33 The presence of peptidoglycan in Gram positive bacteria is

97 / 100

Category: Biology Ch 13 Class 11

Gaseous exchange in plants takes place through the:

NUMS 2020
Biology
Gaseous Exchange
Elimination Tool:

98 / 100

Category: Biology Ch 14 Class 11

How many ml of blood is pumped by each contraction of the heart?

NUMS 2016
Biology
Transport
Elimination Tool:

99 / 100

Category: Biology Ch 9 Class 12

DNA fingerprinting is basically done for:

NUMS 2015
Biology
Biotechnology
Elimination Tool:

100 / 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?

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