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 13 Class 11

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

NUMS 2015
Biology
Gaseous Exchange
Elimination Tool:

2 / 100

Category: Biology Ch 5 Class 11

Virus is a _____ entity among living and non-living.

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

3 / 100

Category: Biology

Q.27   The stimulus for the production of more gastrin hormone from the gastric endocrine lining is:

4 / 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:

5 / 100

Category: Biology

Q.40 Which of the following is true of both bacterial conjugation and meiosis?

6 / 100

Category: Biology

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:

NUMS Mock 1
Biology
Enzymes

7 / 100

Category: Biology

The system responsible for fighting the pathogens is:

NUMS Mock 4
Biology
Transport

8 / 100

Category: Biology Ch 10 Class 12

Which condition can be explained by Lamarckism?

PMC Sample 1
Biology
Evolution
Elimination Tool:

9 / 100

Category: Biology Ch 9 Class 11

Why do Bryophytes and ferns both require water for fertilization?

NUMS 2015
Biology
Kingdom Plantae
Elimination Tool:

10 / 100

Category: Biology Ch 6 Class 11

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

11 / 100

Category: Biology Ch 2 Class 12

Which of the following sets of bones does not included in the axial skeleton?

NUMS 2019 Cancelled
Biology
Support and Movement
Elimination Tool:

12 / 100

Category: Biology Ch 7 Class 11

This protist has isomorphic alternation of generation:

PMC 2021 Tested
Biology
Kingdom Protista
Elimination Tool:

13 / 100

Category: Biology Ch 11 Class 11

Lactic Acid Fermentation is a type of anaerobic respiration that occurs in human muscle cells. It yields only ____ % of the energy present in a glucose molecule.

NUMS 2019 Reconduct
Biology
Bioenergetics
Elimination Tool:

14 / 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:

15 / 100

Category: Biology Ch 8 Class 12

In which of the following cases, genotypic and phenotypic ratio will remain same in F2 generation

16 / 100

Category: Biology Ch 4 Class 11

DNA is found in which of the following structures?

NUMS 2016
Biology
Cell Structure and Function
Elimination Tool:

17 / 100

Category: Biology Ch 12 Class 11

Hydra is an example of _______ feeder

18 / 100

Category: Biology

Q.26 Most carbon dioxide is transported in the form of:

19 / 100

Category: Biology

Q.18   Pick the incorrect pair:

20 / 100

Category: Biology Ch 6 Class 11

Which of the following bacteria do not have flagella commonly?

21 / 100

Category: Biology Ch 3 Class 12

Which type of sensory structures carry deep pressure and vibration sensations?

22 / 100

Category: Biology

Which of these in an aqueous solution of equal concentration has the lowest pH?

NUMS Mock 4
Chemistry
Carboxylic Acids and its Derivatives

23 / 100

Category: Biology Ch 12 Class 11

Ileum is about ______ long:

NTS 2010
Biology
Nutrition
Elimination Tool:

24 / 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:

25 / 100

Category: Biology

The only possible treatment in end stage renal failure is:

NUMS Mock 3
Biology

26 / 100

Category: Biology Ch 10 Class 11

Flame cells are commonly found in:

NUMS 2014
Biology
Kingdom Animalia
Elimination Tool:

27 / 100

Category: Biology Ch 8 Class 11

Fungi which get their food directly from dead organic matter are called?

28 / 100

Category: Biology Ch 4 Class 11

Lysosomes are also called:

NTS 2012
Biology
Cell Structure and Function
Elimination Tool:

29 / 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
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30 / 100

Category: Biology Ch 11 Class 11

In electron transport chain, ATP synthesis takes place when electrons move from:

PMC 2020
Biology
Bioenergetics
Elimination Tool:

31 / 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:

32 / 100

Category: Biology Ch 13 Class 11

The infection of lungs is called:

PMC Practice 1
Biology
Gaseous Exchange
Elimination Tool:

33 / 100

Category: Biology Ch 5 Class 12

Developing seeds are rich source of

34 / 100

Category: Biology Ch 2 Class 12

Bones of the skull are joined by:

NTS 2011
Biology
Support and Movement
Elimination Tool:

35 / 100

Category: Biology Ch 3 Class 12

Normal action potential of a neuronal cell is :

 

36 / 100

Category: Biology Ch 6 Class 11

Germ theory of disease has ______ postulates

37 / 100

Category: Biology Ch 7 Class 12

During which stage of meiosis do centromeres divide?

NTS 2016 DUHS & JSMU
Biology
Cell Cycle
Elimination Tool:

38 / 100

Category: Biology Ch 2 Class 11

Each β – chain of hemoglobin molecules contains ____ amino acids.

NUMS 2019 Reconduct
Biology
Biological Molecules
Elimination Tool:

39 / 100

Category: Biology

Q47 The T-lymphocytes and B-lymphocytes are the major cells of the:

40 / 100

Category: Biology

Which of the following basic structural level of proteins is indicated by an association of two alpha and two beta chains in the haemoglobin molecule?

NUMS Mock 4
Biology
Biological Molecules

41 / 100

Category: Biology

The structure of an enzyme is altered by which of the following inhibitors?

NUMS Mock 3
Biology
Enzymes

42 / 100

Category: Biology

Major coordinating centre for sensory and motor signaling is:

NUMS Mock 3
Biology
Coordination and Control

43 / 100

Category: Biology

Which of the following blood transfusions can be made safely?

NUMS Mock 2
Biology
Variation and Genetics

44 / 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:

45 / 100

Category: Biology

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

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Category: Biology Ch 7 Class 11

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

47 / 100

Category: Biology

Q.51 The heavy and light chains of an antibody molecule is held together by:

48 / 100

Category: Biology Ch 4 Class 11

Anthocyanins are various types of colorful pigments present in the:

NUMS 2014
Biology
Cell Structure and Function
Elimination Tool:

49 / 100

Category: Biology Ch 11 Class 11

Which of the light is mainly absorbed by the plants:

50 / 100

Category: Biology Ch 5 Class 12

Plasticity of cell wall increases during

51 / 100

Category: Biology Ch 4 Class 12

Which statement is incorrect?

52 / 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:

53 / 100

Category: Biology Ch 7 Class 12

Which is a feature of malignant tumor?

54 / 100

Category: Biology Ch 9 Class 12

DNA polymerase enzyme for PCR is isolated from bacteria, Thermus aquaticus, because;

UHS 2019
Biology
Biotechnology
Elimination Tool:

55 / 100

Category: Biology Ch 14 Class 11

Humoral immunity is carried by a special group of cells called:

NTS 2017
Biology
Transport
Elimination Tool:

56 / 100

Category: Biology Ch 6 Class 12

Haploid and monoploid numbers of chromosomes of hexaploid wheat are:

NTS 2014
Biology
Chromosomes and DNA
Elimination Tool:

57 / 100

Category: Biology

A person got an infection, he became ill but then he survived. What do you think which of immunity he would have developed?

NUMS Mock 1
Biology
Transport

58 / 100

Category: Biology Ch 2 Class 11

In an isotonic solution there would be:

NTS 2016 SMBBMC
Biology
Biological Molecules
Elimination Tool:

59 / 100

Category: Biology Ch 10 Class 11

Coelom is lined by

60 / 100

Category: Biology Ch 7 Class 11

Symptoms of malaria occur specifically due to the formation of:

NUMS 2015
Biology
Kingdom Protista
Elimination Tool:

61 / 100

Category: Biology Ch 8 Class 11

Fungi can tolerate pH from

62 / 100

Category: Biology

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

63 / 100

Category: Biology Ch 3 Class 11

The cofactor usually acts as “bridge” between:

NUMS 2018
Biology
Enzymes
Elimination Tool:

64 / 100

Category: Biology

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:

NUMS Mock 4
Biology
Enzymes

65 / 100

Category: Biology Ch 6 Class 12

Which of the following can be blocked, if one wants to stop translation of mRNA?

NUMS 2019 Reconduct
Biology
Chromosomes and DNA
Elimination Tool:

66 / 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

67 / 100

Category: Biology

Q.14 Aschelminthes is also known as which of the following?

68 / 100

Category: Biology Ch 7 Class 12

During meiosis, the homologous chromosomes come together and form pairs, this process is called:

PMC 2020
Biology
Cell Cycle
Elimination Tool:

69 / 100

Category: Biology Ch 4 Class 12

Amniocentesis is performed between the:

NTS 2011
Biology
Reproduction
Elimination Tool:

70 / 100

Category: Biology Ch 1 Class 12

Right kidney is slightly lower than left kidney due to:

NUMS 2018
Biology
Homeostasis
Elimination Tool:

71 / 100

Category: Biology Ch 1 Class 12

In a marine environment, the ion secreted by the kidney is:

NUMS 2020
Biology
Homeostasis
Elimination Tool:

72 / 100

Category: Biology

Antheridia and archegonia are _____ organs in bryophytes.

NUMS Mock 1
Biology
Kingdom Plantae

73 / 100

Category: Biology

What part of the brain integrates sensory information such as pain and temperature?

NUMS Mock 2
Biology
Coordination and Control

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 Ch 9 Class 11

The botanical name of gum tree ls:

NTS 2013
Biology
Kingdom Plantae
Elimination Tool:

76 / 100

Category: Biology Ch 11 Class 11

FADH2 is produced during which step of Krebs cycle?

NUMS 2015
Biology
Bioenergetics
Elimination Tool:

77 / 100

Category: Biology Ch 6 Class 12

“Law of independent assortment” states:

PMC 2020
Biology
Chromosomes and DNA
Elimination Tool:

78 / 100

Category: Biology Ch 2 Class 12

Which vertebrae together are called pelvic vertebrae?

NUMS 2020
Biology
Support and Movement
Elimination Tool:

79 / 100

Category: Biology Ch 13 Class 12

Water constitutes –% of body weight?

80 / 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:

81 / 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

82 / 100

Category: Biology Ch 1 Class 12

The human body maintains all of its cells’ internal concentration _____ to internal body fluid.

NUMS 2019 Cancelled
Biology
Homeostasis
Elimination Tool:

83 / 100

Category: Biology

Q.67 The animals which belong to division Radiata is/are?

84 / 100

Category: Biology Ch 11 Class 11

The end product of glycolysis in anaerobic respiration is:

PMC 2020
Biology
Bioenergetics
Elimination Tool:

85 / 100

Category: Biology Ch 5 Class 11

Kingdom Protoctista includes:

86 / 100

Category: Biology Ch 2 Class 12

Pectoral fins are enlarged in:

NUMS 2015
Biology
Support and Movement
Elimination Tool:

87 / 100

Category: Biology Ch 3 Class 11

The enzyme found in saliva responsible for the digestion of carbohydrates is:

NTS 2018
Biology
Enzymes
Elimination Tool:

88 / 100

Category: Biology Ch 12 Class 12

Desert ecosystem of Mianwali is

89 / 100

Category: Biology Ch 2 Class 11

A complex substance which on hydrolysis yields polyhydroxy aldehyde or ketone subunits is called:

90 / 100

Category: Biology Ch 3 Class 12

Na+ -K+ ATPase pump is important for:

91 / 100

Category: Biology Ch 9 Class 11

The most successful land adapting plants are:

NUMS 2020
Biology
Kingdom Plantae
Elimination Tool:

92 / 100

Category: Biology Ch 5 Class 11

HIV is a:

NUMS 2018
Biology
Bio-diversity | Variety of Life
Elimination Tool:

93 / 100

Category: Biology Ch 13 Class 11

When abdomen expands, the number of spiracles open is

94 / 100

Category: Biology Ch 14 Class 11

The chemical nature of an antibody is:

NUMS 2016
Biology
Transport
Elimination Tool:

95 / 100

Category: Biology Ch 10 Class 12

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

96 / 100

Category: Biology

Phenylmethyl ketone can be converted into ethyl benzene in one step by using:

NUMS Mock 4
Chemistry
Aldehydes and Ketones

97 / 100

Category: Biology Ch 1 Class 12

Humans maintain their body temperature within a narrow limit due to their _____ characteristics.

NUMS 2019 Cancelled
Biology
Homeostasis
Elimination Tool:

98 / 100

Category: Biology Ch 11 Class 11

Glucose → 2 pyruvic acid + 2H2O

2ADP + 2Pi → 2 ATP

2NAD + 4H → 2NADH + 2H+

These three reactions collectively constitute ______.

NTS 2012
Biology
Bioenergetics
Elimination Tool:

99 / 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

100 / 100

Category: Biology Ch 11 Class 11

The light dependent reaction of photosynthesis occurs in:

NTS 2011
Biology
Bioenergetics
Elimination Tool:

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