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 Ch 10 Class 11

All of the following are coelomates except

2 / 100

Category: Biology

The bacteria can cope in unfavorable condition by producing:

NUMS Mock 4
Biology
Kingdom Prokaryote

3 / 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

4 / 100

Category: Biology Ch 9 Class 11

Prosopis glandulosa is the botanical name of _______.

NTS 2016 SMBBMC
Biology
Kingdom Plantae
Elimination Tool:

5 / 100

Category: Biology Ch 9 Class 11

Which of the following statements is a correct distinction between autotrophs and heterotrophs?

PMC Practice 7
Biology
Kingdom Plantae
Elimination Tool:

6 / 100

Category: Biology Ch 3 Class 12

The _____ is the main nutritional part and it’s concerned with the biosynthesis of materials necessary for neurons.

NUMS 2019 Reconduct
Biology
Coordination and Control
Elimination Tool:

7 / 100

Category: Biology

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

NUMS Mock 2
Biology
Biology and its Major Fields of Specialization

8 / 100

Category: Biology Ch 4 Class 12

Egg-laying mammals are called:

NUMS 2016
Biology
Reproduction
Elimination Tool:

9 / 100

Category: Biology Ch 1 Class 11

A large regional community primarily determined by climate is called :

10 / 100

Category: Biology

Why cannot viruses replicate on their own?

NUMS Mock 2
Biology
Variety of Life

11 / 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:

12 / 100

Category: Biology Ch 11 Class 11

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

13 / 100

Category: Biology Ch 8 Class 12

The disease, which is caused by defect in a single gene or pair of genes is referred to as:

NTS 2016 SMBBMC
Biology
Variation and Genetics
Elimination Tool:

14 / 100

Category: Biology

Icosahedral viruses have how many faces?

NUMS Mock 4
Biology
Variety of Life

15 / 100

Category: Biology Ch 1 Class 11

The concept that various organisms dominated this planet during various geological time period and thus placing organisms in a time squence came from the studies by

16 / 100

Category: Biology Ch 3 Class 11

In 1959, Koshland proposed which of the following?

PMC Practice 1
Biology
Enzymes
Elimination Tool:

17 / 100

Category: Biology Ch 8 Class 12

To check the homozygosity or heterozygosity of apparently dominant trait, we do the test cross by crossing it with:

NUMS 2019 Cancelled
Biology
Variation and Genetics
Elimination Tool:

18 / 100

Category: Biology Ch 3 Class 12

Abscisic acid promotes flowering in short day plants and inhibits in long day plants, which of the following is antagonistic to abscisic acid in terms of flowering:

19 / 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:

20 / 100

Category: Biology

As an essential element in living organisms, _______ ion is playing an important role in insulin secretion, the release of neurotransmitters, muscle contraction, and heartbeat regulation.

NUMS Mock 2
Biology
Coordination and Control

21 / 100

Category: Biology Ch 13 Class 11

The maximum amount of oxygen which normal human blood absorbs and carries at sea level is how many ml per 100 ml of blood?

PMC Sample 2
Biology
Gaseous Exchange
Elimination Tool:

22 / 100

Category: Biology Ch 5 Class 12

Nutrition to egg in ovary is provided by which of the following?

PMC Practice 1
Biology
Growth and Development
Elimination Tool:

23 / 100

Category: Biology Ch 12 Class 12

Temperature of temperate deciduous forests is

24 / 100

Category: Biology

To overcome infertility, which technique is used?

NUMS Mock 4
Biology
Reproduction

25 / 100

Category: Biology Ch 3 Class 12

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

26 / 100

Category: Biology Ch 4 Class 11

Which of the following is NOT the function of cell membranes?

NTS 2018
Biology
Cell Structure and Function
Elimination Tool:

27 / 100

Category: Biology Ch 9 Class 11

The term which is not related to the process of evolution of leaf is:

NUMS 2020
Biology
Kingdom Plantae
Elimination Tool:

28 / 100

Category: Biology

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

29 / 100

Category: Biology Ch 4 Class 11

Autophagosomes are

30 / 100

Category: Biology Ch 13 Class 12

Study of human population and things that affect them is

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 5 Class 12

The fate of each blastomere is foretold. What will that cleavage be?

PMC Practice 9
Biology
Growth and Development
Elimination Tool:

33 / 100

Category: Biology Ch 6 Class 11

For respiratory metabolism, a bacterial cell membrane contains:

PMC Practice 4
Biology
Kingdom Prokaryote
Elimination Tool:

34 / 100

Category: Biology Ch 9 Class 12

In recombinant DNA technology, the copies of recombinant DNA are increased by:

NTS 2018
Biology
Biotechnology
Elimination Tool:

35 / 100

Category: Biology Ch 11 Class 11

Which of the following processes does NOT need Pyruvic Acid as a substrate?

PMC 2020
Biology
Bioenergetics
Elimination Tool:

36 / 100

Category: Biology Ch 6 Class 12

Which statement correctly describes the transcription of DNA?

PMC 2020
Biology
Chromosomes and DNA
Elimination Tool:

37 / 100

Category: Biology

_________ is sometimes given by injection as an emergency treatment in cardiac arrest:

NUMS Mock 3
Biology
Coordination and Control

38 / 100

Category: Biology

Why do some vegetables lose water when salt is applied to them?

NUMS Mock 3
Biology
Transport

39 / 100

Category: Biology Ch 3 Class 12

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

40 / 100

Category: Biology Ch 3 Class 11

The enzyme in breast milk that causes the coagulation of milk or forms precipitates of milk is:

NUMS 2016
Biology
Enzymes
Elimination Tool:

41 / 100

Category: Biology Ch 9 Class 11

The first cell of the sporophyte generation is

42 / 100

Category: Biology Ch 5 Class 12

Which of the following is NOT a function of Abscisic acid?

PMC Sample 3
Biology
Growth and Development
Elimination Tool:

43 / 100

Category: Biology Ch 13 Class 12

Flow of energy in an ecosystem is:

NUMS 2014
Biology
Man and His Environment
Elimination Tool:

44 / 100

Category: Biology Ch 11 Class 11

The inner membrane of mitochondrion has many infoldings into the inner chamber, these folding are called as:

NUMS 2019 Reconduct
Biology
Bioenergetics
Elimination Tool:

45 / 100

Category: Biology

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

46 / 100

Category: Biology Ch 12 Class 11

The structure which prevents the entry of food particles into the respiratory passage is:

NUMS 2019 Cancelled
Biology
Nutrition
Elimination Tool:

47 / 100

Category: Biology Ch 14 Class 11

What will happen, if there is an increase in plasma albumin?

NUMS 2014
Biology
Transport
Elimination Tool:

48 / 100

Category: Biology Ch 11 Class 11

Where do the light – dependent reactions of photosynthesis occur?

NTS 2016 SMBBMC
Biology
Bioenergetics
Elimination Tool:

49 / 100

Category: Biology Ch 5 Class 11

The viruses are:

NTS 2011
Biology
Bio-diversity | Variety of Life
Elimination Tool:

50 / 100

Category: Biology Ch 5 Class 11

Kingdom Protoctista includes:

51 / 100

Category: Biology Ch 3 Class 11

The substrate binds to specific region of enzyme called?

PMC Sample 1
Biology
Enzymes
Elimination Tool:

52 / 100

Category: Biology Ch 4 Class 11

Which type of movement through the cell membrane is not an energy-consuming process?

NUMS 2020
Biology
Cell Structure and Function
Elimination Tool:

53 / 100

Category: Biology

Optimum pH for action of pepsin and salivary amylase is

NUMS Mock 2
Biology
Nutrition

54 / 100

Category: Biology Ch 11 Class 11

Immediate source of energy for cellular respiration is:

NUMS 2016
Biology
Bioenergetics
Elimination Tool:

55 / 100

Category: Biology

Lysosomes function in:

NUMS Mock 1
Biology
Cell Structure and Function

56 / 100

Category: Biology Ch 5 Class 12

A plant has a growth pattern called

57 / 100

Category: Biology Ch 12 Class 11

Translocation of organic solutes in plants takes place through:

NUMS 2020
Biology
Nutrition
Elimination Tool:

58 / 100

Category: Biology Ch 4 Class 11

In which type of cells, cell wall is not present?

PMC 2020
Biology
Cell Structure and Function
Elimination Tool:

59 / 100

Category: Biology Ch 1 Class 12

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

60 / 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:

61 / 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:

62 / 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:

63 / 100

Category: Biology

Major coordinating centre for sensory and motor signaling is:

NUMS Mock 3
Biology
Coordination and Control

64 / 100

Category: Biology Ch 10 Class 11

Aschelminthes is also known as

65 / 100

Category: Biology

_________ hormone is released from the posterior lobe of the pituitary gland.

NUMS Mock 3
Biology
Coordination and Control

66 / 100

Category: Biology Ch 9 Class 11

Antheridiophore and archegoniophore are found in

67 / 100

Category: Biology Ch 12 Class 12

Which statement about profundal zone is correct?

68 / 100

Category: Biology Ch 9 Class 11

The botanical name of Imli is:

NTS 2012
Biology
Kingdom Plantae
Elimination Tool:

69 / 100

Category: Biology Ch 2 Class 12

The significant flight muscle in birds is the:

NUMS 2014
Biology
Support and Movement
Elimination Tool:

70 / 100

Category: Biology Ch 7 Class 11

_______ infection is caused by a viroid:

NUMS 2020
Biology
Kingdom Protista
Elimination Tool:

71 / 100

Category: Biology Ch 8 Class 12

A child with AB blood group who was born to a mother of the genotype IAIA cannot have the father of the genotype:

NUMS 2014
Biology
Variation and Genetics
Elimination Tool:

72 / 100

Category: Biology Ch 6 Class 12

The number of base pairs in a complete helical turn is/are:

NUMS 2020
Biology
Chromosomes and DNA
Elimination Tool:

73 / 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:

74 / 100

Category: Biology Ch 11 Class 11

In paper chromatography xanthophyll will give ______ color:

NTS 2010
Biology
Bioenergetics
Elimination Tool:

75 / 100

Category: Biology Ch 2 Class 12

In an annelids, the contraction of circular muscle results in:

76 / 100

Category: Biology Ch 5 Class 11

The size of smallest virus is:

77 / 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

78 / 100

Category: Biology Ch 11 Class 11

Chlorophyll molecule resemble the haem group of hemoglobin, the main difference between these two molecule is that chlorophyll has ____ ion.

NUMS 2019 Reconduct
Biology
Bioenergetics
Elimination Tool:

79 / 100

Category: Biology

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

NUMS Mock 4
Biology
Enzymes

80 / 100

Category: Biology

Q.6  All of the following are the functions of endoplasmic reticulum except:

81 / 100

Category: Biology

What are the functions of the inter, motor and sensory neurons in a reflex response?

NUMS Mock 4
Biology
Coordination and Control

82 / 100

Category: Biology Ch 5 Class 11

Which of the following are composed of proteins only which contain the information that codes for their own replication?

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

83 / 100

Category: Biology Ch 4 Class 11

Which one of the following organelles is required for aerobic respiration?

NTS 2018
Biology
Cell Structure and Function
Elimination Tool:

84 / 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:

85 / 100

Category: Biology Ch 7 Class 12

Exchange of segments between homologous chromosomes is called:

UHS 2012
Biology
Cell Cycle
Elimination Tool:

86 / 100

Category: Biology Ch 1 Class 12

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

87 / 100

Category: Biology Ch 2 Class 11

Which of the following are instant sources of energy in living organisms, like glucose? Their general formula is:

NUMS 2019 Cancelled
Biology
Biological Molecules
Elimination Tool:

88 / 100

Category: Biology Ch 7 Class 11

Trypanosoma is a human parasite causing

UHS 2010
Biology
Kingdom Protista
Elimination Tool:

89 / 100

Category: Biology

Hepatic and Pancreatic secretions are also stimulated by a hormone called:

NUMS Mock 4
Biology
Coordination and Control

90 / 100

Category: Biology Ch 11 Class 11

Net yield of H2O in Photosynthesis is

91 / 100

Category: Biology Ch 8 Class 11

Type of lichen which tightly attaches to rocks is

92 / 100

Category: Biology

The branch of science dealing with the fossil record is called:

NUMS Mock 2
Biology
Biology and its Major Fields of Specialization

93 / 100

Category: Biology Ch 2 Class 11

Glucose and fructose join together through _____ to form sucrose.

NUMS 2019 Reconduct
Biology
Biological Molecules
Elimination Tool:

94 / 100

Category: Biology Ch 10 Class 12

Whose theory of natural selection is essentially identical to Darwin’s theory?

NUMS 2019 Cancelled
Biology
Evolution
Elimination Tool:

95 / 100

Category: Biology

Q.22  Pick the one which releases anticoagulant in human intestine to prevent clotting:

96 / 100

Category: Biology

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

NUMS Mock 1
Biology
Support and Movement

97 / 100

Category: Biology

Lymph nodes are not present:

NUMS Mock 1
Biology
Coordination and Control

98 / 100

Category: Biology

Q.13 The frequency of allele if it is evolutionary successful is?

99 / 100

Category: Biology Ch 9 Class 12

The Plasmid pBR322 has antibiotic resistance genes for:

UHS 2019
Biology
Biotechnology
Elimination Tool:

100 / 100

Category: Biology Ch 4 Class 11

The basic structural framework of all types of membranes are:

NUMS 2020
Biology
Cell Structure and Function
Elimination Tool:

Your score is

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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