Biology Practice Test 4

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 4

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1 / 100

Category: Biology Ch 6 Class 11

Which of the following is not a component of extracellular matrix in bacteria?

NUMS 2015
Biology
Kingdom Prokaryote
Elimination Tool:

2 / 100

Category: Biology Ch 6 Class 12

What will be the approximate length of a DNA strand having 500 nucleotides?

NUMS 2015
Biology
Chromosomes and DNA
Elimination Tool:

HIDE ELIMINATED OPTIONS

3 / 100

Category: Biology Ch 7 Class 11

Trypanosoma belongs to class:

NTS 2011
Biology
Kingdom Protista
Elimination Tool:

4 / 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:

5 / 100

Category: Biology

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

6 / 100

Category: Biology Ch 5 Class 12

The best function of coelom is described as:

PMC Practice 2
Biology
Growth and Development
Elimination Tool:

7 / 100

Category: Biology Ch 10 Class 12

Which animals support Darwin’s view of inheritance of desirable variations?

NTS 2019
Biology
Evolution
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8 / 100

Category: Biology Ch 12 Class 11

Translocation of organic solutes in plants takes place through:

NUMS 2020
Biology
Nutrition
Elimination Tool:

9 / 100

Category: Biology Ch 4 Class 12

Which of the following is found beneath the prostate gland?

PMC Sample 1
Biology
Reproduction
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10 / 100

Category: Biology

A man who has type AB blood cannot father a child with type ___ blood, because he would pass on either the ___ or the B allele to all of his offspring.

NUMS Mock 4
Biology
Variation and Genetics

11 / 100

Category: Biology Ch 7 Class 11

Brown algae are also known as

12 / 100

Category: Biology Ch 7 Class 11

Bacteria that can only survive in the presence of oxygen?

PMC 2021 Tested
Biology
Kingdom Protista
Elimination Tool:

13 / 100

Category: Biology Ch 1 Class 12

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

PMC 2020
Biology
Homeostasis
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14 / 100

Category: Biology

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

15 / 100

Category: Biology Ch 9 Class 11

Why do Bryophytes and ferns both require water for fertilization?

NUMS 2015
Biology
Kingdom Plantae
Elimination Tool:

16 / 100

Category: Biology Ch 8 Class 12

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?

NTS 2016 SMBBMC
Biology
Variation and Genetics
Elimination Tool:

17 / 100

Category: Biology Ch 5 Class 12

he only promoter of Leaf’s senescence in the following plant hormones is:

PMC Practice 9
Biology
Coordination and Control
Growth and Development
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18 / 100

Category: Biology Ch 4 Class 12

Seeds are dormant in conditions of

19 / 100

Category: Biology Ch 11 Class 12

Study of a single population’s relationship to its environment is called

20 / 100

Category: Biology Ch 6 Class 12

Diameter of DNA double helix is:

NUMS 2015
Biology
Chromosomes and DNA
Elimination Tool:

21 / 100

Category: Biology Ch 2 Class 12

Gibberellins is an example of

22 / 100

Category: Biology Ch 14 Class 11

Which of the following blood vessels have the highest pressure of blood?

PMC 2020
Biology
Transport
Elimination Tool:

23 / 100

Category: Biology Ch 3 Class 11

A cofactor made of inorganic ion which is detachable is called

24 / 100

Category: Biology Ch 7 Class 12

Which is a feature of malignant tumor?

25 / 100

Category: Biology Ch 9 Class 12

First restriction enzyme was isolated by

26 / 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:

27 / 100

Category: Biology Ch 2 Class 12

When the muscle is required to contract, calcium ion binds with ______ molecule and causes them to move slightly.

NUMS 2019 Cancelled
Biology
Support and Movement
Elimination Tool:

28 / 100

Category: Biology Ch 5 Class 12

Developing seeds are rich source of

29 / 100

Category: Biology Ch 3 Class 11

Most enzymes have an optimum temperature of around:

PMC 2020
Biology
Enzymes
Elimination Tool:

30 / 100

Category: Biology

The photosynthetic pigments of plants are arranged as clusters in thylakoid membranes. The reaction centers of these clusters consist of _____ molecules.

NUMS Mock 3
Biology
Bioenergetics

31 / 100

Category: Biology Ch 13 Class 12

In air % of oxygen and carbon dioxide is

32 / 100

Category: Biology Ch 10 Class 11

Coelom is a cavity lined by:

NUMS 2016
Biology
Kingdom Animalia
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33 / 100

Category: Biology Ch 12 Class 11

Which type of mucosa cells secrete pepsinogen?

NUMS 2014
Biology
Nutrition
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34 / 100

Category: Biology Ch 4 Class 12

Menstrual cycle can be divided into:

NUMS 2015
Biology
Reproduction
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35 / 100

Category: Biology Ch 6 Class 12

The true E.Coli replicating enzyme is

36 / 100

Category: Biology Ch 14 Class 11

Which of the following has oxygenated blood?

NUMS 2014
Biology
Transport
Elimination Tool:

37 / 100

Category: Biology Ch 2 Class 12

The number of muscles in a human body is about:

NTS 2012
Biology
Support and Movement
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38 / 100

Category: Biology

Q.11 In cocci, three plane division result in formation of sarcine which is a

39 / 100

Category: Biology Ch 10 Class 11

Which one of following is a true fish?

NUMS 2014
Biology
Kingdom Animalia
Elimination Tool:

40 / 100

Category: Biology Ch 4 Class 11

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

41 / 100

Category: Biology Ch 6 Class 11

Vibrio cholera is an example of ______ type of bacteria.

NUMS 2017
Biology
Kingdom Prokaryote
Elimination Tool:

42 / 100

Category: Biology Ch 3 Class 11

A three dimensional dcavity bearing a specific charge by which the enzyme reacts with its substrate is called

43 / 100

Category: Biology Ch 6 Class 12

A typical human chromosome contains _________ nucleotides in its DNA

44 / 100

Category: Biology

What is the role of cholesterol in the cell membrane?

NUMS Mock 4
Biology
Cell Structure and Function

45 / 100

Category: Biology Ch 12 Class 11

Food is assimilated into the body from digestive tract in:

NUMS 2014
Biology
Nutrition
Elimination Tool:

46 / 100

Category: Biology Ch 10 Class 12

Which statement is incorrect?

47 / 100

Category: Biology Ch 12 Class 11

Stunted growth of roots is due to the deficiency of _____ in plants

48 / 100

Category: Biology Ch 1 Class 11

Which one is not correct for a productive theory?

49 / 100

Category: Biology Ch 9 Class 12

The cells are held together by a Ca-pectate layer are called as:

NUMS 2016
Biology
Biotechnology
Elimination Tool:

50 / 100

Category: Biology

DNA fingerprinting is basically done for:

NUMS Mock 1
Biology
Biotechnology

51 / 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:

52 / 100

Category: Biology Ch 14 Class 11

Anti-bodies are produced by:

NUMS 2014
Biology
Transport
Elimination Tool:

53 / 100

Category: Biology Ch 3 Class 11

Extreme change in pH results in:

 

54 / 100

Category: Biology

 

Q.33 The researcher notices that round seeds occur maturely in the environment.Based solely on this information, what can there searcher conclude about the round phenotype?

55 / 100

Category: Biology Ch 5 Class 11

The name Bacteriophage was coined by:

56 / 100

Category: Biology Ch 5 Class 11

Which of the following diseases is sexually transmitted?

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

57 / 100

Category: Biology Ch 12 Class 11

In human gut, chylomicrons are formed by the combination of:

NUMS 2020
Biology
Nutrition
Elimination Tool:

58 / 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
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59 / 100

Category: Biology Ch 6 Class 12

During DNA replication ______ attaches the fragment to the lagging strand.

NUMS 2019 Reconduct
Biology
Chromosomes and DNA
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60 / 100

Category: Biology Ch 2 Class 11

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

61 / 100

Category: Biology

When the concentration of the external medium is equal to the concentration of the internal medium of a cell, the situation is called:

NUMS Mock 1
Biology
Biological Molecules

62 / 100

Category: Biology Ch 9 Class 12

Some transgenic bacteria produce a dipeptide sweetener called

63 / 100

Category: Biology Ch 13 Class 11

Guard cells function as:

NUMS 2019 Cancelled
Biology
Gaseous Exchange
Elimination Tool:

64 / 100

Category: Biology Ch 4 Class 11

Whone is not the function of endoplasmic reticulum?

65 / 100

Category: Biology Ch 9 Class 12

Which one has antibiotic resistance gene for tetracycline and ampicillin?

66 / 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

67 / 100

Category: Biology Ch 9 Class 12

Which of the following diseases CANNOT be cured by gene therapy?

NUMS 2019 Reconduct
Biology
Biotechnology
Elimination Tool:

68 / 100

Category: Biology

Muscular tube that passes through pharynx and joins stomach is:

NUMS Mock 1
Biology
Nutrition

69 / 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

70 / 100

Category: Biology Ch 9 Class 12

By PCR we mean:

UHS 2018
Biology
Biotechnology
Elimination Tool:

71 / 100

Category: Biology Ch 1 Class 12

The water content of mammalian blood is regulated by antidiuretic hormone(ADH). In which part of the nephron does regulation occur ?

NTS 2015 SMBBMC
Biology
Homeostasis
Elimination Tool:

72 / 100

Category: Biology Ch 10 Class 11

Filter feeders extract food particles from:

NUMS 2014
Biology
Kingdom Animalia
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73 / 100

Category: Biology Ch 11 Class 12

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

74 / 100

Category: Biology

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

NUMS Mock 1
Biology
Support and Movement

75 / 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:

76 / 100

Category: Biology Ch 3 Class 12

A _____ is a junction between two neurons or between a motor neuron and a muscle cell:

PMC 2020
Biology
Coordination and Control
Elimination Tool:

77 / 100

Category: Biology

What is the effect of enzyme DNA ligase?

NUMS Mock 2
Biology
Chromosomes and DNA

78 / 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:

79 / 100

Category: Biology Ch 3 Class 12

Direction of reflex action is from:

NUMS 2019 Reconduct
Biology
Coordination and Control
Elimination Tool:

80 / 100

Category: Biology Ch 2 Class 12

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

NUMS 2018
Biology
Support and Movement
Elimination Tool:

81 / 100

Category: Biology Ch 9 Class 11

Of the following which one is most advanced ?

82 / 100

Category: Biology Ch 7 Class 12

The second stage of the Prophase of Meiosis, following Leptotene, during which homologous chromosomes begin to pair is called:

NTS 2019
Biology
Cell Cycle
Elimination Tool:

83 / 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:

84 / 100

Category: Biology Ch 9 Class 12

Commonly used restriction enzyme is

85 / 100

Category: Biology

While working in a laboratory, before studying a sample under the microscope, it was immersed in a dye solution to obtain ______.

NUMS Mock 1
Biology
Biology and its Major Fields of Specialization

86 / 100

Category: Biology

Q.68 Enzymes are globular proteins because

87 / 100

Category: Biology Ch 7 Class 11

Which of the following bacteria are able to release oxygen into the environment?

NTS 2018
Biology
Kingdom Protista
Elimination Tool:

88 / 100

Category: Biology Ch 6 Class 12

Which statement correctly describes the transcription of DNA?

PMC 2020
Biology
Chromosomes and DNA
Elimination Tool:

89 / 100

Category: Biology Ch 4 Class 12

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

NTS 2019
Biology
Reproduction
Elimination Tool:

90 / 100

Category: Biology Ch 4 Class 11

Which among the following sentence is not correct about the organelles?

NUMS 2019 Reconduct
Biology
Cell Structure and Function
Elimination Tool:

91 / 100

Category: Biology Ch 4 Class 11

In which model do proteins float in membrane-like iceberg in sea:

NTS 2010
Biology
Cell Structure and Function
Elimination Tool:

92 / 100

Category: Biology Ch 5 Class 11

Eukaryotic, multicellular and consumers belong to ______ kingdom.

NUMS 2019 Reconduct
Biology
Bio-diversity | Variety of Life
Elimination Tool:

93 / 100

Category: Biology

Q.2 Competitive inhibition can be overcome by using

94 / 100

Category: Biology Ch 7 Class 12

Meiosis occur in

95 / 100

Category: Biology Ch 8 Class 12

J. Seiler in 1914 discovered which type of sex determination in moths?

NUMS 2015
Biology
Variation and Genetics
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96 / 100

Category: Biology Ch 10 Class 11

All of the following are mammals EXCEPT the:

NTS 2017
Biology
Kingdom Animalia
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97 / 100

Category: Biology Ch 11 Class 11

First stable compound during Calvin cycle is:

PMC 2020
Biology
Bioenergetics
Elimination Tool:

98 / 100

Category: Biology Ch 2 Class 12

Pectoral fins are enlarged in:

NUMS 2015
Biology
Support and Movement
Elimination Tool:

99 / 100

Category: Biology Ch 7 Class 11

Cysts are not resistant to ______ but spores are:

NUMS 2020
Biology
Kingdom Protista
Elimination Tool:

100 / 100

Category: Biology Ch 6 Class 11

The causing agent of the tuberculosis that grows very well in poor living conditions and malnutrition is:

NUMS 2019 Cancelled
Biology
Kingdom Prokaryote
Elimination Tool:

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3 responses to “Biology Practice Test 4”

  1. Thank

  2. Anonymous

    Hi

  3. Anonymous

    ok

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