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

Q.8   How many carbon atoms contribute to form glucopyranose?

2 / 100

Category: Biology Ch 1 Class 12

The excretion of hypertonic urine in humans is associated best with the:

PMC 2020
Biology
Homeostasis
Elimination Tool:

3 / 100

Category: Biology Ch 12 Class 11

The propulsive movement of the gastrointestinal tract (GI tract) is:

NTS 2010
Biology
Nutrition
Elimination Tool:

4 / 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:

5 / 100

Category: Biology Ch 4 Class 12

Viviparous animals are those in which

6 / 100

Category: Biology Ch 3 Class 11

If we add more substrate to an already occurring enzymatic reaction and it has no affect on the rate of reaction, the process is called?

PMC Practice 2
Biology
Enzymes
Elimination Tool:

7 / 100

Category: Biology Ch 2 Class 12

The number of muscles in a human body is about:

NTS 2012
Biology
Support and Movement
Elimination Tool:

8 / 100

Category: Biology Ch 10 Class 12

Most fossils are found in the

9 / 100

Category: Biology Ch 10 Class 12

Archaebacteria can survive at

10 / 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:

11 / 100

Category: Biology Ch 14 Class 11

The favourite host cells of the HIV-Virus are:

NUMS 2014
Biology
Transport
Elimination Tool:

12 / 100

Category: Biology Ch 2 Class 11

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

NUMS 2019 Reconduct
Biology
Biological Molecules
Elimination Tool:

13 / 100

Category: Biology Ch 13 Class 11

Diaphragm is a sheet of:

NUMS 2019 Cancelled
Biology
Gaseous Exchange
Elimination Tool:

14 / 100

Category: Biology Ch 7 Class 11

Chalk is gradually formed of dead

 

15 / 100

Category: Biology

Which component enters into mitochondria after glycolysis?

NUMS Mock 1
Biology
Bioenergetics

16 / 100

Category: Biology Ch 8 Class 11

An association between two organisms benefiting both is called

UHS 2010
Biology
Kingdom Fungi
Elimination Tool:

17 / 100

Category: Biology Ch 6 Class 11

In bacterial categories the bacteria smaller in number are

18 / 100

Category: Biology Ch 13 Class 12

Wild life refers to

19 / 100

Category: Biology Ch 14 Class 11

T-Lymphocytes are matured in thymus glands and they are produced in:

NUMS 2016
Biology
Transport
Elimination Tool:

20 / 100

Category: Biology Ch 8 Class 12

The position of a gene on chromosome is called

21 / 100

Category: Biology Ch 9 Class 11

Hornwarts are included in sub-class

22 / 100

Category: Biology

What is the size of Parvovirus?

NUMS Mock 4
Biology
Bio-diversity | Variety of Life

23 / 100

Category: Biology Ch 2 Class 12

When a physician elicits the knee-jerk reflex by tapping deep tendons in the knee, the normal response is for the lower leg to swing forward. When this happens:

NTS 2013
Biology
Support and Movement
Elimination Tool:

24 / 100

Category: Biology

The light dependent reaction of photosynthesis occurs in:

NUMS Mock 2
Biology
Bioenergetics

25 / 100

Category: Biology Ch 8 Class 11

Fungi which cause thrush in humans:

UHS 2013
Biology
Kingdom Fungi
Elimination Tool:

26 / 100

Category: Biology Ch 5 Class 12

Thyroxine deficiency in adults’ results in a condition called:

UHS 2015
Biology
Growth and Development
Elimination Tool:

27 / 100

Category: Biology

Four plants are present in different environmental conditions. Plant A is present in a warm climate with continuous rainfall, plant B is present in a cool forest, plant C is present in a warm climate with little breeze, while plant D is present in a warm climate with high wind speed. Which one of the above plants will have the highest rate of transpiration?

NUMS Mock 2
Biology
Gaseous Exchange

28 / 100

Category: Biology Ch 10 Class 12

The genetic change in a population caused by natural selection is called?

PMC Sample 1
Biology
Evolution
Elimination Tool:

29 / 100

Category: Biology Ch 7 Class 12

Reduction division is:

NUMS 2015
Biology
Cell Cycle
Elimination Tool:

30 / 100

Category: Biology

Q.54 Which of the following elements are not found in carbohydrates?

31 / 100

Category: Biology Ch 8 Class 11

Which one of the following is different from all the rest regarding the number of cells inits body?

32 / 100

Category: Biology Ch 12 Class 11

Milk drinking babies have an additional enzyme called:

NUMS 2016
Biology
Nutrition
Elimination Tool:

33 / 100

Category: Biology Ch 4 Class 12

Follicle – stimulating hormone, which is produced by the pituitary gland, stimulates the ovaries to produce:

NUMS 2019 Cancelled
Biology
Reproduction
Elimination Tool:

34 / 100

Category: Biology Ch 5 Class 12

Function of intercalary meristems is

35 / 100

Category: Biology Ch 3 Class 11

Cyanide for enzymes act as:

NUMS 2018
Biology
Enzymes
Elimination Tool:

36 / 100

Category: Biology

There existed two varieties of female freshwater Mollusks in which some were streamlined and some had a high bulge. Over the generations, male freshwater Mollusks learned that high bulge favors more production of offspring. So they started preferring to mate with females having high bulge as compared to streamlined. Will this affect Hardy Weinberg Equilibrium in the population?

NUMS Mock 2
Biology
Evolution

37 / 100

Category: Biology Ch 2 Class 11

Peptide bonds are formed between:

NUMS 2014
Biology
Biological Molecules
Elimination Tool:

38 / 100

Category: Biology Ch 10 Class 12

The ultimate source of all changes is:

NUMS 2015
Biology
Evolution
Elimination Tool:

39 / 100

Category: Biology

Q4 A condition with abnormal amount of fats is called:

40 / 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:

41 / 100

Category: Biology

Which valve action results from an increase in pressure in the ventricles of the heart?

NUMS Mock 3
Biology
Transport

42 / 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:

43 / 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:

44 / 100

Category: Biology Ch 13 Class 11

Parabronchi are open at ______ end/s

45 / 100

Category: Biology Ch 3 Class 11

A reaction will proceed faster if the activation energy is?

PMC Sample 1
Biology
Enzymes
Elimination Tool:

46 / 100

Category: Biology Ch 5 Class 12

The cells that play a vital role in the differentiation of various body parts are called:

NUMS 2014
Biology
Growth and Development
Elimination Tool:

47 / 100

Category: Biology Ch 4 Class 12

The human cells affected in HIV are which of the following?

PMC Sample 1
Biology
Reproduction
Elimination Tool:

48 / 100

Category: Biology Ch 12 Class 11

Midgut in cockroach is a short narrow tube called

49 / 100

Category: Biology Ch 10 Class 12

Natural selection can amplify or diminish variations that are

50 / 100

Category: Biology Ch 10 Class 12

Genetic equilibrium is a:

NTS 2019
Biology
Evolution
Elimination Tool:

51 / 100

Category: Biology Ch 5 Class 12

The reason plants are considered totipotent is:

NUMS 2019 Cancelled
Biology
Growth and Development
Elimination Tool:

52 / 100

Category: Biology

Booklungs serve the function of respiration in:

NUMS Mock 3
Biology
Gaseous Exchange

53 / 100

Category: Biology Ch 9 Class 11

Antherozoids the male gamete in bryophytes are attracted towards Archegonium i.e. female sex organ by

54 / 100

Category: Biology Ch 1 Class 12

Which of the following statement about Homeostasis is incorrect

55 / 100

Category: Biology Ch 6 Class 12

Which statement is correct?

56 / 100

Category: Biology

Which of the following is correct in humans?

NUMS Mock 1
Biology
Reproduction

57 / 100

Category: Biology Ch 4 Class 11

The following are all features of eukaryotic cells:

I. chloroplast

II. peroxisome

III. lysosome

IV. mitochondrion

v. nucleus

Which of these have a double membrane?

NTS 2014
Biology
Cell Structure and Function
Elimination Tool:

58 / 100

Category: Biology Ch 2 Class 11

Lipids store double the amount of energy as compared to carbohydrates because of:

PMC 2020
Biology
Biological Molecules
Elimination Tool:

59 / 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:

60 / 100

Category: Biology Ch 5 Class 11

Five kingdom classification was proposed by :

61 / 100

Category: Biology

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

62 / 100

Category: Biology Ch 10 Class 12

Adaptation of traits to better fill a niche is known as which of the following?

PMC Sample 3
Biology
Evolution
Elimination Tool:

63 / 100

Category: Biology

In cross-section each Centriole consist of nine (each in triplets) of:

NUMS Mock 2
Biology
Cell Structure and Function

64 / 100

Category: Biology Ch 10 Class 11

Which one of the following animals possesses an open circulatory system:

NUMS 2014
Biology
Kingdom Animalia
Elimination Tool:

65 / 100

Category: Biology Ch 6 Class 12

Histones have abundance of amino acids

66 / 100

Category: Biology Ch 2 Class 11

Haemoglobin exhibits a:

NUMS 2016
Biology
Biological Molecules
Elimination Tool:

67 / 100

Category: Biology Ch 7 Class 12

Each kinetochore gets ________ fibers in mitosis

68 / 100

Category: Biology

Q.9    The linkage formed when one molecule of glucose combines with one molecule of fructose is:

69 / 100

Category: Biology Ch 4 Class 11

70S sized ribosomes are found in the cytoplasm of:

PMC 2020
Biology
Cell Structure and Function
Elimination Tool:

70 / 100

Category: Biology Ch 2 Class 11

Which of the following amino acids has single codon?

NUMS 2014
Biology
Biological Molecules
Elimination Tool:

71 / 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:

72 / 100

Category: Biology Ch 5 Class 11

Closely related species are grouped together into ______ .

NTS 2012
Biology
Bio-diversity | Variety of Life
Elimination Tool:

73 / 100

Category: Biology

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

NUMS Mock 4
Biology
Gaseous Exchange

74 / 100

Category: Biology Ch 11 Class 11

Its membranes are the sites where sunlight energy is trapped and where glucose is formed.

Which organelle is this?

NUMS 2014
Biology
Bioenergetics
Elimination Tool:

75 / 100

Category: Biology

In which of the following phases of bacterial growth, is the death rate more rapid than the multiplication rate?

NUMS Mock 2
Biology
Kingdom Prokaryote

76 / 100

Category: Biology Ch 7 Class 12

In plants mitotic apparatus consists of

77 / 100

Category: Biology Ch 8 Class 11

An association in which fungal hyphae penetrate the outer cells of the plant root forming coils swellings and minute branches and also extend out into surrounding soil is called:

78 / 100

Category: Biology Ch 5 Class 11

Mark the one Kingdom having the most conspicuous living organisms?

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

79 / 100

Category: Biology Ch 1 Class 12

Sunken stomata are found in:

NUMS 2014
Biology
Homeostasis
Elimination Tool:

80 / 100

Category: Biology Ch 3 Class 12

Lymph nodes are not present:

NUMS 2020
Biology
Coordination and Control
Elimination Tool:

81 / 100

Category: Biology Ch 10 Class 11

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

82 / 100

Category: Biology Ch 12 Class 11

Undigested food in cockroach is stored in:

NUMS 2015
Biology
Nutrition
Elimination Tool:

83 / 100

Category: Biology Ch 6 Class 11

A group of 8 cocci is called

84 / 100

Category: Biology Ch 5 Class 12

Cells elongate by

85 / 100

Category: Biology Ch 6 Class 11

In which phase of bacterial growth, does divison at an exponential rate occur?

NUMS 2020
Biology
Kingdom Prokaryote
Elimination Tool:

86 / 100

Category: Biology Ch 6 Class 12

Gene mutations take place in:

NUMS 2014
Biology
Chromosomes and DNA
Elimination Tool:

87 / 100

Category: Biology Ch 7 Class 12

Which of the following is a type of cell division that plays an important role in evolution?

NTS 2019
Biology
Cell Cycle
Elimination Tool:

88 / 100

Category: Biology Ch 14 Class 11

The valve between right atrium and right ventricle is called:

NUMS 2014
Biology
Transport
Elimination Tool:

89 / 100

Category: Biology Ch 4 Class 11

Which property of water helps to maintain the integrity of lipid-containing membranes?

PMC 2020
Biology
Cell Structure and Function
Elimination Tool:

90 / 100

Category: Biology Ch 5 Class 12

Human embryo remains enclosed in:

PMC Practice 1
Biology
Growth and Development
Elimination Tool:

91 / 100

Category: Biology Ch 8 Class 12

The gene which controls ABO group has how many alleles in an individual

92 / 100

Category: Biology Ch 5 Class 12

The cells in our body are all genetically identical, apart from the:

PMC 2020
Biology
Growth and Development
Elimination Tool:

93 / 100

Category: Biology Ch 11 Class 11

Chlorophyll is insoluble in:

94 / 100

Category: Biology Ch 7 Class 11

Which of the following results from conjugation in paramecium?

PMC Practice 3
Biology
Kingdom Protista
Elimination Tool:

95 / 100

Category: Biology Ch 6 Class 12

The length of okazaki fragments in eukayotes is

96 / 100

Category: Biology Ch 1 Class 12

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

PMC 2020
Biology
Homeostasis
Elimination Tool:

97 / 100

Category: Biology

Q45 During birth which of following act as birth canal?

98 / 100

Category: Biology Ch 12 Class 11

Dietary fiber passes through to several structures after leaving the stomach. In which order does the dietary fiber pass through the structures?

NTS 2015 DUHS and JSMU
Biology
Nutrition
Elimination Tool:

99 / 100

Category: Biology Ch 9 Class 11

Which of the following is not a parasitic fungus of plants?

NUMS 2015
Biology
Kingdom Plantae
Elimination Tool:

100 / 100

Category: Biology Ch 7 Class 11

How are flat worms not similar to round worms?

PMC Practice 4
Biology
Kingdom Protista
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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