Biology Practice Test 4




Biology Practice Test 4

Biology Practice Test 4 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 human anatomy, physiology, microbiology, and ecology, helping students improve accuracy and retention.

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Biology Practice Test 4

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1 / 100

Category: Biology

Which of the following, which is the incorrectly paired one?

NUMS Mock 2
Biology
Biology and its Major Fields of Specialization

2 / 100

Category: Biology Ch 9 Class 11

Plants of this group are called ferns:

NUMS 2017
Biology
Kingdom Plantae
Elimination Tool:

3 / 100

Category: Biology Ch 1 Class 11

Group of living organisms of the same species living in the same place at the same time is called

4 / 100

Category: Biology Ch 13 Class 11

The gas-exchange portion of the human respiratory system is the:

NTS 2016 SMBBMC
Biology
Gaseous Exchange
Elimination Tool:

5 / 100

Category: Biology Ch 6 Class 12

The total of all the alleles in a population is called a:

NUMS 2014
Biology
Chromosomes and DNA
Elimination Tool:

6 / 100

Category: Biology Ch 6 Class 12

A tortion of chromatin that is condensed only during cell division is

7 / 100

Category: Biology Ch 8 Class 12

Which of the following is monohybrid cross

8 / 100

Category: Biology

Process ensuring the survival of species over long periods of time, even though individual members of the species die.

NUMS Mock 2
Biology
Man and His Environment

9 / 100

Category: Biology

The bacteria can cope in unfavorable condition by producing:

NUMS Mock 4
Biology
Kingdom Prokaryote

10 / 100

Category: Biology Ch 3 Class 11

The structure of an enzyme is altered by:

11 / 100

Category: Biology

It is the smallest eukaryote:

NUMS Mock 2
Biology
Kingdom Protista

12 / 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:

13 / 100

Category: Biology Ch 12 Class 11

The reaction involved in chemotrophic nutrition is:

NTS 2010
Biology
Nutrition
Elimination Tool:

14 / 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:

15 / 100

Category: Biology Ch 6 Class 12

Gene mutations take place in:

NUMS 2014
Biology
Chromosomes and DNA
Elimination Tool:

16 / 100

Category: Biology Ch 2 Class 12

The plants having thick cuticle, needle like reduced leaves and sunken stomata are termed as:

NUMS 2019 Reconduct
Biology
Support and Movement
Elimination Tool:

17 / 100

Category: Biology Ch 3 Class 12

Direction of reflex action is from:

NUMS 2019 Reconduct
Biology
Coordination and Control
Elimination Tool:

18 / 100

Category: Biology Ch 12 Class 11

Midgut in cockroach is a short narrow tube called

19 / 100

Category: Biology

Q.32  In the ascent of sap, water moves up in:

20 / 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:

21 / 100

Category: Biology Ch 2 Class 12

Vertebrae of the neck are called:

NUMS 2020
Biology
Support and Movement
Elimination Tool:

22 / 100

Category: Biology Ch 8 Class 11

A plant disease which is not caused by a fungus is:

NUMS 2015
Biology
Kingdom Fungi
Elimination Tool:

23 / 100

Category: Biology

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

24 / 100

Category: Biology Ch 7 Class 11

Symptoms of malaria occur specifically due to the formation of:

NUMS 2015
Biology
Kingdom Protista
Elimination Tool:

25 / 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:

26 / 100

Category: Biology

Q.10 Synaptic vesicles discharge which hormone at the neuromuscular junction?

27 / 100

Category: Biology

Which of the following nutrients is incorrectly paired with its function in a plant?

NUMS Mock 3
Biology
Nutrition

28 / 100

Category: Biology Ch 1 Class 12

The condition of a stable internal environment in an organism is:

NTS 2015 SMBBMC
Biology
Homeostasis
Elimination Tool:

29 / 100

Category: Biology

At what point are two populations descending from the same ancestral stock considered separate species?

NUMS Mock 4
Biology
Evolution

30 / 100

Category: Biology Ch 11 Class 12

Mosses are

31 / 100

Category: Biology

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

32 / 100

Category: Biology Ch 10 Class 12

Important point/s of Lamarck’s theory

33 / 100

Category: Biology Ch 2 Class 12

Molluscs have an exoskeleton made up of:

NTS 2016 DUHS & JSMU
Biology
Support and Movement
Elimination Tool:

34 / 100

Category: Biology

Consider the following statements about biological communities.

I. Their members share a common gene pool

II. The community remains stable even though some physical aspect of the environment may undergo a change

III. It consists of all the populations living in a particular area.

IV. A community interacts with a non-living environment and both function together to form an ecosystem

Which two of the above statements are true?

NUMS Mock 4
Biology
Evolution

35 / 100

Category: Biology

Q.22 Which of the following is false about conjugation?

36 / 100

Category: Biology

Nitrogen-fixing bacteria in root nodules fix nitrogen in soil air into:

NUMS Mock 1
Biology
Nutrition

37 / 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:

38 / 100

Category: Biology Ch 3 Class 12

Thyroid gland requires high amount of:

NUMS 2016
Biology
Coordination and Control
Elimination Tool:

39 / 100

Category: Biology

Q.28  The vocal cords are stretched across:

40 / 100

Category: Biology Ch 8 Class 11

The ecological role of fungi as decomposers is paralleled only by

UHS 2010
Biology
Kingdom Fungi
Elimination Tool:

41 / 100

Category: Biology Ch 4 Class 12

In biennials and perennials, low temperature stimulus is not received by

42 / 100

Category: Biology Ch 11 Class 11

Quantitative study of energy relationships in biological systems obeys.

43 / 100

Category: Biology

The autonomic nervous system controls all of the following activities except:

NUMS Mock 1
Biology
Coordination and Control

44 / 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:

45 / 100

Category: Biology Ch 3 Class 11

Excessive increase in temperature of medium causes the enzyme molecule to

 

46 / 100

Category: Biology Ch 10 Class 12

Adaptations that an organism acquires by its own actions are

47 / 100

Category: Biology Ch 13 Class 11

Water is _____ times viscous than air

48 / 100

Category: Biology Ch 12 Class 11

Food is assimilated into the body from digestive tract in:

NUMS 2014
Biology
Nutrition
Elimination Tool:

49 / 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:

50 / 100

Category: Biology

Q.34 If the non-protien part is loosely attached to the protein part in the enzyme, it is known as

51 / 100

Category: Biology Ch 1 Class 12

Which organ is called the body thermostat?

NUMS 2020
Biology
Homeostasis
Elimination Tool:

52 / 100

Category: Biology Ch 3 Class 11

Which one forms the raw material for coenzymes?

53 / 100

Category: Biology Ch 5 Class 11

Viruses resemble living things because they:

NTS 2017
Biology
Bio-diversity | Variety of Life
Elimination Tool:

54 / 100

Category: Biology Ch 5 Class 11

Vaccines for all of these have been developed EXCEPT:

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

55 / 100

Category: Biology Ch 10 Class 12

Which one of the following pairs represents an analogous feature?

NUMS 2018
Biology
Evolution
Elimination Tool:

56 / 100

Category: Biology

Transport of glucose across the cell membrane occurs by:

NUMS Mock 1
Biology
Cell Structure and Function

57 / 100

Category: Biology

Which of the following blood transfusions can be made safely?

NUMS Mock 2
Biology
Variation and Genetics

58 / 100

Category: Biology

How are new mitochondria formed by the pre-existing ones?

59 / 100

Category: Biology Ch 4 Class 12

Colour of corpus luteum is:

NUMS 2018
Biology
Reproduction
Elimination Tool:

60 / 100

Category: Biology Ch 8 Class 11

Foliose lichen are

61 / 100

Category: Biology Ch 7 Class 12

During anaphase, each chromosome has:

PMC 2021 Tested
Biology
Cell Cycle
Elimination Tool:

62 / 100

Category: Biology Ch 11 Class 11

First stable compound during Calvin cycle is:

PMC 2020
Biology
Bioenergetics
Elimination Tool:

63 / 100

Category: Biology Ch 6 Class 12

Which statement is correct?

64 / 100

Category: Biology

The structure of a fibrous protein comprises of polypeptide chains in the form of:

NUMS Mock 2
Biology
Biological Molecules

65 / 100

Category: Biology Ch 13 Class 11

The oxygen-binding protein present in skeletal muscles is:

NUMS 2017
Biology
Gaseous Exchange
Elimination Tool:

66 / 100

Category: Biology Ch 4 Class 12

Which characteristic is not of identical twins

67 / 100

Category: Biology

Q.44  When calcium gates of the smooth endoplasmic reticulum are open, then calcium is released into:

68 / 100

Category: Biology Ch 5 Class 12

Over-secretion of cortical hormone causes a disease called;

UHS 2015
Biology
Growth and Development
Elimination Tool:

69 / 100

Category: Biology Ch 2 Class 11

Which of the following has the ability to develop ester linkage with the OH group of Pentose sugar?

NUMS 2015
Biology
Biological Molecules
Elimination Tool:

70 / 100

Category: Biology Ch 1 Class 12

When a frog is kept in water for some time it sheds a thin covering of skin called ____

NUMS 2014
Biology
Homeostasis
Elimination Tool:

71 / 100

Category: Biology

Q.63  Ozone depletion is commonly caused by:

72 / 100

Category: Biology

Q.16 Which of the following changes length during sarcomere contraction?

73 / 100

Category: Biology Ch 13 Class 11

Oxygen contents per liter of air is

74 / 100

Category: Biology Ch 5 Class 12

A bean seed contains all of the following except:

NTS 2012
Biology
Growth and Development
Elimination Tool:

75 / 100

Category: Biology Ch 7 Class 12

Microtubule subunits (for spindle fibers) are synthesized in _______ phase.

UHS 2019
Biology
Cell Cycle
Elimination Tool:

76 / 100

Category: Biology Ch 2 Class 12

Scapula is the bone of the:

NUMS 2014
Biology
Support and Movement
Elimination Tool:

77 / 100

Category: Biology Ch 9 Class 11

Antheridiophore and archegoniophore are found in

78 / 100

Category: Biology Ch 8 Class 12

An X to A ratio of ⅖ in drosophila produces:

NUMS 2020
Biology
Variation and Genetics
Elimination Tool:

79 / 100

Category: Biology

What do we call the cell surface membrane of a muscle fibre?

NUMS Mock 3
Biology
Support and Movement

80 / 100

Category: Biology Ch 5 Class 12

Growth of multicellular plants occur in

81 / 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:

82 / 100

Category: Biology Ch 6 Class 12

Which of the following RNA sequences would be transcribed from the DNA sequence ATGGCTAGGAC?

NTS 2017
Biology
Chromosomes and DNA
Elimination Tool:

83 / 100

Category: Biology Ch 5 Class 11

The size of smallest virus is:

84 / 100

Category: Biology Ch 10 Class 11

Of the following which one is non-cellular in most cases in animals?

85 / 100

Category: Biology Ch 4 Class 11

Fibers of the extracellular matrix are attached to ______ in the plasma membrane:

NUMS 2020
Biology
Cell Structure and Function
Elimination Tool:

86 / 100

Category: Biology Ch 1 Class 12

Ammonia is chief excretory product in:

NUMS 2014
Biology
Homeostasis
Elimination Tool:

87 / 100

Category: Biology

Q.49 In reproduction, semen refers to which of the following?

88 / 100

Category: Biology Ch 2 Class 11

Which type of protein structure contains the three dimensional structure?

NTS 2013
Biology
Biological Molecules
Elimination Tool:

89 / 100

Category: Biology Ch 3 Class 12

Chemically auxins are

90 / 100

Category: Biology Ch 10 Class 12

Evolutionary relationships amongst species are reflected in their:

NUMS 2016
Biology
Evolution
Elimination Tool:

91 / 100

Category: Biology Ch 1 Class 12

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

92 / 100

Category: Biology Ch 7 Class 12

Gametes in animals are produced by:

PMC 2021 Tested
Biology
Cell Cycle
Elimination Tool:

93 / 100

Category: Biology Ch 8 Class 12

Red green colour blindness is a sex linked recessive trait. If a colour blind man marries a woman with normal vision whose father is colourblind and they have a daughter, what is the probability that she will be colourblind?

NTS 2015 SMBBMC
Biology
Variation and Genetics
Elimination Tool:

94 / 100

Category: Biology Ch 14 Class 11

Antibodies are manufactured in:

PMC 2020
Biology
Transport
Elimination Tool:

95 / 100

Category: Biology Ch 8 Class 12

Which of the following condition is hybrid A. TT B. Tt C. tt D. All of these

96 / 100

Category: Biology

Q.53 Which of these is the best treatment for osteoarthritis?

97 / 100

Category: Biology Ch 10 Class 12

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

NTS 2019
Biology
Evolution
Elimination Tool:

98 / 100

Category: Biology Ch 10 Class 12

A group of populations that have the potential to interbreed in nature is

99 / 100

Category: Biology Ch 1 Class 12

Which of the following statement about conifers is correct?

100 / 100

Category: Biology Ch 4 Class 12

Which of these cycles operate in human females?

PMC Sample 2
Biology
Reproduction
Elimination Tool:

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The average score is 61%

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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 4 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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Comments

3 responses to “Biology Practice Test 4”

  1. Thank

  2. Anonymous

    Hi

  3. Anonymous

    ok

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