Biology Practice Test 2

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 2

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1 / 100

Category: Biology Ch 7 Class 11

_______ infection is caused by a viroid:

NUMS 2020
Biology
Kingdom Protista
Elimination Tool:

2 / 100

Category: Biology Ch 8 Class 12

When phenotype of a heterozygote is in between the phenotypes of both the homozygous parents, it is called:

NUMS 2016
Biology
Variation and Genetics
Elimination Tool:

3 / 100

Category: Biology Ch 3 Class 12

Chemically auxins are

4 / 100

Category: Biology

Q.8 Which of the following structure provides greater pathogenicity to the bacteria?

5 / 100

Category: Biology Ch 1 Class 11

In animals coordination is achieved by means of

6 / 100

Category: Biology Ch 2 Class 11

Which of the following carbohydrate is tasteless?

7 / 100

Category: Biology Ch 7 Class 12

During the G2 phase:

UHS 2019
Biology
Cell Cycle
Elimination Tool:

8 / 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:

9 / 100

Category: Biology Ch 9 Class 11

Antheridia and archegonia are _____ organs in bryophytes.

NTS 2015 DUHS and JSMU
Biology
Kingdom Plantae
Elimination Tool:

10 / 100

Category: Biology Ch 5 Class 11

These viruses usually occur in two structural forms:

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

11 / 100

Category: Biology Ch 9 Class 12

A single stranded nucleotide sequence that will hybridize into a certain piece of DNA is

12 / 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:

13 / 100

Category: Biology Ch 6 Class 11

In a bacterial cell, plasma membrane with all things present within it is called:

PMC Sample 3
Biology
Kingdom Prokaryote
Elimination Tool:

14 / 100

Category: Biology Ch 4 Class 11

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

15 / 100

Category: Biology Ch 1 Class 12

The only possible treatment in end stage renal failure is:

NUMS 2018
Biology
Homeostasis
Elimination Tool:

16 / 100

Category: Biology Ch 2 Class 11

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

17 / 100

Category: Biology Ch 7 Class 12

Feature of cancer cells in common?

18 / 100

Category: Biology Ch 6 Class 11

Which of the following structure primarily helps in attachment of bacteria on various surfaces?

19 / 100

Category: Biology

Which of the following is correct in humans?

NUMS Mock 1
Biology
Reproduction

20 / 100

Category: Biology Ch 1 Class 12

The place of attachment of leaf with the shoot is called:

21 / 100

Category: Biology Ch 7 Class 12

Gametes in animals are produced by which of the following?

PMC Practice 2
Biology
Cell Cycle
Elimination Tool:

22 / 100

Category: Biology Ch 10 Class 11

The radial symmetry is found in the animals of

23 / 100

Category: Biology

Q.17  Teichoic acids are the characters of:

24 / 100

Category: Biology Ch 9 Class 11

It looks like a single flower but it is in fact an inflorescence called:

NUMS 2014
Biology
Kingdom Plantae
Elimination Tool:

25 / 100

Category: Biology

Q.12 In enzymatic mechanism, the substrate bind to enzyme active site to produce?

26 / 100

Category: Biology Ch 4 Class 12

Which statement is incorrect?

27 / 100

Category: Biology

Q.27 In the process of esterification OH is derived from?

28 / 100

Category: Biology Ch 3 Class 12

The directional movement toward or away from the stimulus is called:

PMC 2020
Biology
Coordination and Control
Elimination Tool:

29 / 100

Category: Biology Ch 3 Class 12

Which of the following is not the function of the cerebrum?

NUMS 2016
Biology
Coordination and Control
Elimination Tool:

30 / 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:

31 / 100

Category: Biology Ch 2 Class 12

Muscle fiber has many _____ and in turns these have many ______.

NUMS 2019 Reconduct
Biology
Support and Movement
Elimination Tool:

32 / 100

Category: Biology Ch 10 Class 12

Which one of the following pairs represents an analogous feature?

NUMS 2018
Biology
Evolution
Elimination Tool:

33 / 100

Category: Biology Ch 4 Class 11

Which of the following are related to the synthesis of excretory protein by the cell?

NUMS 2019 Cancelled
Biology
Cell Structure and Function
Elimination Tool:

34 / 100

Category: Biology Ch 10 Class 11

Amphibians live on:

NUMS 2016
Biology
Kingdom Animalia
Elimination Tool:

35 / 100

Category: Biology Ch 7 Class 11

Pili are mainly found on certain species of:

PMC 2021 Tested
Biology
Kingdom Protista
Elimination Tool:

36 / 100

Category: Biology Ch 3 Class 11

Which of the following statements about enzymes is false?

PMC Sample 1
Biology
Enzymes
Elimination Tool:

37 / 100

Category: Biology

The hormone which controls the uptake of Sodium ions in kidney and its maintenance in blood plasma is:

NUMS Mock 2
Biology
Coordination and Control

38 / 100

Category: Biology Ch 3 Class 12

Which type of the receptors are present in the ear?

39 / 100

Category: Biology Ch 8 Class 11

Tetracycline and penicillins are:

NUMS 2018
Biology
Kingdom Fungi
Elimination Tool:

40 / 100

Category: Biology

Q.54 Structures that were once functional in the past but no longer serve a purpose due to evolutionary adaptations and physiological changes are referred to as?

41 / 100

Category: Biology Ch 3 Class 12

Diameter of an artery can be changed by:

NUMS 2015
Biology
Coordination and Control
Elimination Tool:

42 / 100

Category: Biology Ch 2 Class 11

Ptyalin can convert starch into:

NUMS 2015
Biology
Biological Molecules
Elimination Tool:

43 / 100

Category: Biology Ch 7 Class 12

Mitosis occurs in

44 / 100

Category: Biology Ch 13 Class 11

Functional units of lungs are called

45 / 100

Category: Biology Ch 4 Class 11

A group of cells performing same function are known as:

NUMS 2016
Biology
Cell Structure and Function
Elimination Tool:

46 / 100

Category: Biology Ch 4 Class 12

Which disorder among the following CANNOT be detected by amniocentesis?..

NTS 2019
Biology
Reproduction
Elimination Tool:

47 / 100

Category: Biology Ch 9 Class 12

Human genome is ______ times larger than any other genome sequenced so far

48 / 100

Category: Biology Ch 12 Class 11

Fear of getting obese is termed as:

NUMS 2019 Cancelled
Biology
Nutrition
Elimination Tool:

49 / 100

Category: Biology Ch 1 Class 12

The mechanism by which substances are removed from the blood and are directly added to the tubular fluids is called:

NUMS 2018
Biology
Homeostasis
Elimination Tool:

50 / 100

Category: Biology

What is the size of Parvovirus?

NUMS Mock 4
Biology
Bio-diversity | Variety of Life

51 / 100

Category: Biology

Which of these is not a reflex action?

NUMS Mock 3
Biology
Coordination and Control

52 / 100

Category: Biology Ch 4 Class 11

The process of membrane fusion and the movement of material out of the cell, is called:

NTS 2016 SMBBMC
Biology
Cell Structure and Function
Elimination Tool:

53 / 100

Category: Biology Ch 5 Class 12

Amniotic fluid in human embryo protects it from:

NUMS 2014
Biology
Growth and Development
Elimination Tool:

54 / 100

Category: Biology Ch 10 Class 11

Which of the following is a freshwater sponge?

NUMS 2016
Biology
Kingdom Animalia
Elimination Tool:

55 / 100

Category: Biology Ch 3 Class 12

The nerve center for sight is located in the

NUMS 2014
Biology
Coordination and Control
Elimination Tool:

56 / 100

Category: Biology Ch 7 Class 12

Which of the following is NOT true for meiosis?

NUMS 2019 Reconduct
Biology
Cell Cycle
Elimination Tool:

57 / 100

Category: Biology Ch 6 Class 12

The particular array of chromosomes that an individual possesses is called its:

PMC 2020
Biology
Chromosomes and DNA
Elimination Tool:

58 / 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

59 / 100

Category: Biology Ch 4 Class 11

Who coined the term CELL?

60 / 100

Category: Biology

Q.66 Which of the following provides the strong evidence in support of evolution:

61 / 100

Category: Biology

Q.21 When was the Tobacco mosaic virus successfully crystalized?

62 / 100

Category: Biology Ch 7 Class 12

Most critical phase of mitosis is

63 / 100

Category: Biology

_______ is the storage form of carbohydrate in animals and humans which is equivalent to the _____ in plants.

NUMS Mock 3
Biology
Biological Molecules

64 / 100

Category: Biology Ch 2 Class 11

Human cells maintain concentration gradients across their plasma membranes, such that there is a high sodium concentration outside the cell and a high potassium concentration inside the cell.

Suppose that within the cell membrane are sodium leak channels or carrier proteins. These channels would allow sodium to:

NTS 2017
Biology
Biological Molecules
Elimination Tool:

65 / 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:

66 / 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:

67 / 100

Category: Biology

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

68 / 100

Category: Biology Ch 10 Class 12

Natural selection can amplify or diminish variations that are

69 / 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:

70 / 100

Category: Biology Ch 8 Class 12

A pea plant with yellow seed was crossed to a plant having green seeds. What will happen in F1; if plants are true breeding

71 / 100

Category: Biology Ch 10 Class 11

In mosquitoes, the plasmodium is found in?

NTS 2015 SMBBMC
Biology
Kingdom Animalia
Elimination Tool:

72 / 100

Category: Biology

In semi-conservative replication, which of the following is true regarding the separation of two strands?

NUMS Mock 2
Biology
Chromosomes and DNA

73 / 100

Category: Biology

Q.37  Which of the following neuron has a single long dendron?

74 / 100

Category: Biology Ch 10 Class 12

Which factor decides what type of variation should be flourished and passed on to the next generations?

NTS 2019
Biology
Evolution
Elimination Tool:

75 / 100

Category: Biology

What is the role of cholesterol in the cell membrane?

NUMS Mock 4
Biology
Cell Structure and Function

76 / 100

Category: Biology Ch 12 Class 12

Zone of lake water which is of open water near the surface is

77 / 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:

78 / 100

Category: Biology

Q.12 The least stable RNA present in the cell is:

79 / 100

Category: Biology Ch 12 Class 11

A hormone called _______ controls the secretion of gastric juice.

NUMS 2018
Biology
Nutrition
Elimination Tool:

80 / 100

Category: Biology Ch 9 Class 12

Gel electrophoresis is a technique:

PMC 2020
Biology
Biotechnology
Elimination Tool:

81 / 100

Category: Biology Ch 8 Class 12

If the seed is heterozygous yellow (Yy). In a test cross, what will be the probability of appearance of seed colors?

NUMS 2019 Reconduct
Biology
Variation and Genetics
Elimination Tool:

82 / 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 2019 Reconduct
Biology
Gaseous Exchange
Elimination Tool:

83 / 100

Category: Biology Ch 11 Class 11

Three word equations are shown:

P. Carbon dioxide + water gives glucose + oxygen

Q. Glucose + oxygen gives carbon dioxide + water

R. Glucose gives alcohol + carbon dioxide

What is / are the equations for anaerobic respiration in yeast?

NTS 2015 SMBBMC
Biology
Bioenergetics
Elimination Tool:

84 / 100

Category: Biology Ch 4 Class 11

Which of the following is not a basic unit of the cell?

NUMS 2016
Biology
Cell Structure and Function
Elimination Tool:

85 / 100

Category: Biology

Movement of the Hip joint is which type of synovial joints?

NUMS Mock 1
Biology
Support and Movement

86 / 100

Category: Biology Ch 9 Class 11

Sporophyte is

87 / 100

Category: Biology

Q.1 At which times there is no net gaseous exchange between leaves and the atmosphere?

88 / 100

Category: Biology

Which one of the following muscles are considered as “Voluntary muscles”?

NUMS Mock 1
Biology
Support and Movement

89 / 100

Category: Biology Ch 11 Class 11

Molecular formula of chlorophyll ‘a’ molecule is:

90 / 100

Category: Biology Ch 4 Class 12

Which of these cycles operate in human females?

PMC Sample 2
Biology
Reproduction
Elimination Tool:

91 / 100

Category: Biology Ch 12 Class 11

Plants absorb it in the form of soluble phosphates. It is present abundantly in the growing and storage organs of plants. What is it?

NTS 2012
Biology
Nutrition
Elimination Tool:

92 / 100

Category: Biology Ch 12 Class 11

The leaf is bilobed with midrib between them. The plant is

93 / 100

Category: Biology Ch 7 Class 11

The only group of algae having no flagellated motile cells at any stage is :

94 / 100

Category: Biology Ch 1 Class 12

Which part of the brain regulates body temperature?

NTS 2016 SMBBMC
Biology
Homeostasis
Elimination Tool:

95 / 100

Category: Biology Ch 5 Class 11

Allium cepa is the scientific name of :

96 / 100

Category: Biology Ch 10 Class 11

Of the following which one is not found in series proterostomia.

97 / 100

Category: Biology Ch 7 Class 11

Photosynthesis is absent in which of the following:

PMC 2021 Tested
Biology
Kingdom Protista
Elimination Tool:

98 / 100

Category: Biology Ch 13 Class 12

In oceans of tropical regions

99 / 100

Category: Biology Ch 6 Class 12

The true E.Coli replicating enzyme is

100 / 100

Category: Biology Ch 2 Class 11

Among the most abundant biomolecules, _____ is the most abundant one on earth.

NUMS 2016
Chemistry
Biological Molecules
Elimination Tool:

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