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 1 Class 12

Which one of the following group of animals is homeothermic?

NUMS 2014
Biology
Homeostasis
Elimination Tool:

2 / 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

3 / 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?

4 / 100

Category: Biology Ch 5 Class 11

The word virus is derived from Latin word venome meaning

5 / 100

Category: Biology Ch 11 Class 11

In the Calvin cycle, the reducing power from NADPH is used during:

NUMS 2019 Reconduct
Biology
Bioenergetics
Elimination Tool:

6 / 100

Category: Biology

When both the alleles of a gene pair are same, the organism is said to be:

NUMS Mock 3
Biology
Variation and Genetics

7 / 100

Category: Biology

Q.33  Food in plants is transported in the form of:

8 / 100

Category: Biology

Which of the following occurs in the body in response to the secretion of Glucagon?

NUMS Mock 2
Biology
Homeostasis

9 / 100

Category: Biology Ch 5 Class 11

HIV is a:

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

10 / 100

Category: Biology Ch 11 Class 11

Immediate source of energy for cellular respiration is:

NUMS 2016
Biology
Bioenergetics
Elimination Tool:

11 / 100

Category: Biology

Q.53____________________are among smallest known virus

12 / 100

Category: Biology Ch 4 Class 11

Who opposed the idea the cell is an empty space bounded by thick wall?

13 / 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:

14 / 100

Category: Biology Ch 10 Class 11

Which vertebrate groups have scaly skin?

NTS 2013
Biology
Kingdom Animalia
Elimination Tool:

15 / 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:

16 / 100

Category: Biology

Q.35 Enzymes for light-dependent reactions of photosynthesis would most likely be associated with:

17 / 100

Category: Biology

Q.55 Complete breakdown of glucose molecule takes place in which of the following?

18 / 100

Category: Biology Ch 11 Class 11

Estimating relative CO2 consumption or O2 release during photosynthesis at different wavelengths of light, is termed as:

NUMS 2019 Reconduct
Biology
Bioenergetics
Elimination Tool:

19 / 100

Category: Biology

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

20 / 100

Category: Biology Ch 4 Class 12

A major constituent of contraceptive pills is:

NUMS 2016
Biology
Reproduction
Elimination Tool:

21 / 100

Category: Biology Ch 7 Class 11

Chalk is gradually formed of dead

 

22 / 100

Category: Biology

Q.8 The neurons responsible for everything various external stimuli that come from the environment into corresponding internal stimuli is called:

23 / 100

Category: Biology

As an excretory organ, liver:

NUMS Mock 3
Biology
Homeostasis

24 / 100

Category: Biology

Which processes are essential in making nitrogen from dead plant material available to growing plants?

ammonification
deamination
nitrification
nitrogen fixation
NUMS Mock 2
Biology
Man and His Enviornment

25 / 100

Category: Biology Ch 11 Class 12

Diverse and stable community at the end of succession is

26 / 100

Category: Biology Ch 3 Class 12

Maintenance of normal resting potential via movement of K+ inside the cell and na+ out is a/an _______ process.

27 / 100

Category: Biology

Lysosomes function in:

NUMS Mock 1
Biology
Cell Structure and Function

28 / 100

Category: Biology Ch 11 Class 11

Exposure to ______ light is effective in photosynthesis as it enables guard cells to take up K+ and open the stomata.

NUMS 2015
Biology
Bioenergetics
Elimination Tool:

29 / 100

Category: Biology

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

NUMS Mock 2
Biology
Coordination and Control

30 / 100

Category: Biology Ch 7 Class 11

Which of the protozoa has a striking resemblance to collar cells in sponges?

31 / 100

Category: Biology

Q.7 The thalamus and the hypothalamus are located in which region of the brain?

32 / 100

Category: Biology Ch 3 Class 11

Enzymes binds with chemical reactant which is known as?

PMC Sample 3
Biology
Enzymes
Elimination Tool:

33 / 100

Category: Biology Ch 13 Class 11

Active site of Rubisco is evolved to bind

34 / 100

Category: Biology Ch 9 Class 11

Which of the following features differentiate angiosperms from gymnosperms?

UHS 2010
Biology
Kingdom Plantae
Elimination Tool:

35 / 100

Category: Biology

Q.41 The period during which a girl sexually matures is called

36 / 100

Category: Biology Ch 5 Class 11

The size of smallest virus is:

37 / 100

Category: Biology Ch 12 Class 11

In planaria, numerous small branches which end blindly are called as 

38 / 100

Category: Biology Ch 8 Class 11

Fungi which cause thrush in humans:

UHS 2013
Biology
Kingdom Fungi
Elimination Tool:

39 / 100

Category: Biology Ch 6 Class 11

Genetic recombination in bacteria can occur through:

NUMS 2015
Biology
Kingdom Prokaryote
Elimination Tool:

40 / 100

Category: Biology Ch 4 Class 12

Male and female sea urchins release their sperm and eggs Into the water where fertilization takes place. How can their reproduction be described?

NTS 2013
Biology
Reproduction
Elimination Tool:

41 / 100

Category: Biology Ch 10 Class 12

In humans gill pouches have modified into

42 / 100

Category: Biology Ch 13 Class 11

The air spaces may comprise upto ______ of total volume of leaf surface.

43 / 100

Category: Biology

The thick filaments, in a myofibril of muscles, are made of ________.

NUMS Mock 3
Biology
Support and Movement

44 / 100

Category: Biology

Q.60 The part of spinal cord where interneurons present is called:

45 / 100

Category: Biology Ch 2 Class 12

Select a sessile zooflagellate:

NUMS 2020
Biology
Support and Movement
Elimination Tool:

46 / 100

Category: Biology Ch 13 Class 12

Study of environmental relations is called:

NUMS 2018
Biology
Man and His Environment
Elimination Tool:

47 / 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

48 / 100

Category: Biology Ch 5 Class 12

Cells elongate by

49 / 100

Category: Biology Ch 5 Class 11

Which of the following organisms have Chitin as a major structural component of their cell wall:

50 / 100

Category: Biology Ch 10 Class 11

All the animals of the grade radiata are

51 / 100

Category: Biology Ch 8 Class 11

Fungi whose growth is favored by fire is called:

NTS 2016 SMBBMC
Biology
Kingdom Fungi
Elimination Tool:

52 / 100

Category: Biology Ch 11 Class 11

NADH produces how many ATP?

NUMS 2016
Biology
Bioenergetics
Elimination Tool:

53 / 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

54 / 100

Category: Biology Ch 10 Class 11

In most triploblasts after embryonic development the three layers are represented as

55 / 100

Category: Biology Ch 4 Class 11

The first layer of cell wall which is formed is:

56 / 100

Category: Biology Ch 11 Class 11

How does chemosynthesis differ from photosynthesis?

NUMS 2020
Biology
Bioenergetics
Elimination Tool:

57 / 100

Category: Biology

HIV is a:

NUMS Mock 3
Biology
Bio-diversity | Variety of Life

58 / 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:

59 / 100

Category: Biology Ch 2 Class 12

Type of sclerenchyma cells found in seed coats are:

NUMS 2015
Biology
Support and Movement
Elimination Tool:

60 / 100

Category: Biology Ch 10 Class 11

Pseudo coelomate animals are:

NUMS 2014
Biology
Kingdom Animalia
Elimination Tool:

61 / 100

Category: Biology Ch 12 Class 11

Scurvy is caused by deficiency of vitamin ______.

NTS 2016 DUHS & JSMU
Biology
Nutrition
Elimination Tool:

62 / 100

Category: Biology Ch 5 Class 12

Intercalary meristems are of

63 / 100

Category: Biology

Which bond is present between the nucleotides of DNA:

NUMS Mock 4
Biology
Chromosomes and DNA

64 / 100

Category: Biology Ch 9 Class 11

Leaves of ……….. are used to cure cough and cold in horses.

NUMS 2015
Biology
Kingdom Plantae
Elimination Tool:

65 / 100

Category: Biology Ch 8 Class 11

Type of lichen which tightly attaches to rocks is

66 / 100

Category: Biology Ch 5 Class 12

In multicellular plants cell division occur by

67 / 100

Category: Biology Ch 13 Class 11

The infection of lungs is called:

PMC Practice 1
Biology
Gaseous Exchange
Elimination Tool:

68 / 100

Category: Biology

_______ is the storage form of carbohydrate in animals and humans which is equivalent to the _____ in plants.

NUMS Mock 3
Biology
Biological Molecules

69 / 100

Category: Biology Ch 9 Class 11

The most successful land adapting plants are:

NUMS 2020
Biology
Kingdom Plantae
Elimination Tool:

70 / 100

Category: Biology

Four events in the transmission of nerve impulses across synapses are:

I. depolarisation of the presynaptic membrane

II. propagation of postsynaptic action potential

III. reabsorption of the transmitter substance

IV. release of transmitter substance into the synaptic cleft

In which sequence do these events occur?

FIRST -> LAST

NUMS Mock 3
Biology
Coordination and Control

71 / 100

Category: Biology Ch 6 Class 11

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

72 / 100

Category: Biology Ch 4 Class 12

Which of these cycles operate in human females?

PMC Sample 2
Biology
Reproduction
Elimination Tool:

73 / 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:

74 / 100

Category: Biology Ch 13 Class 11

Oxygen is transported by combining with ……….. in Hb.

NUMS 2015
Biology
Gaseous Exchange
Elimination Tool:

75 / 100

Category: Biology

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

76 / 100

Category: Biology

Which of the following is not related to apoptosis?

NUMS Mock 1
Biology
Growth and Development

77 / 100

Category: Biology Ch 4 Class 12

All of the following are sexually transmitted diseases except:

NTS 2011
Biology
Reproduction
Elimination Tool:

78 / 100

Category: Biology Ch 10 Class 11

Opposable thumbs are characteristic features of

NUMS 2014
Biology
Kingdom Animalia
Elimination Tool:

79 / 100

Category: Biology

The thickest chamber of the human heart is:

NUMS Mock 4
Biology
Transport

80 / 100

Category: Biology

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

NUMS Mock 4
Biology
Evolution

81 / 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

82 / 100

Category: Biology Ch 13 Class 11

Water is _____ times viscous than air

83 / 100

Category: Biology

Which one of the following is a fish?

NUMS Mock 3
Biology
Kingdom Animalia

84 / 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:

85 / 100

Category: Biology Ch 2 Class 12

Many _______ expel a large amount of water by special structures called contractile vacuoles:

NUMS 2020
Biology
Support and Movement
Elimination Tool:

86 / 100

Category: Biology Ch 9 Class 12

The deficiency of which of the following cause severe combined immunodeficiency

PMC Sample 3
Biology
Biotechnology
Elimination Tool:

87 / 100

Category: Biology Ch 6 Class 11

The cell membrane of a bacterial cell often invaginates to produce membranous structures referred to as:

NUMS 2017
Biology
Kingdom Prokaryote
Elimination Tool:

88 / 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

89 / 100

Category: Biology

Q.46 Which part of the brain connects the cerebrum with the spinal cord?

90 / 100

Category: Biology Ch 1 Class 12

Which excretory product in produced in plants during autotrophic mode of life?

91 / 100

Category: Biology Ch 6 Class 12

Particular array of chromosomes that an individual processes is called its:

NUMS 2019 Reconduct
Biology
Chromosomes and DNA
Elimination Tool:

92 / 100

Category: Biology Ch 5 Class 11

Recent studies on HIV reveal that the virus infects and multiplies in _____ but does NOT cause disease in them.

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

93 / 100

Category: Biology Ch 9 Class 11

“Vascular System absent; gametophyte dominant, sporophyte attached to gametophyte; homosporous” are distinguishing characters of

UHS 2010
Biology
Kingdom Plantae
Elimination Tool:

94 / 100

Category: Biology Ch 8 Class 12

When both the alleles of a gene pair are same, the organism is said to be:

PMC 2020
Biology
Variation and Genetics
Elimination Tool:

95 / 100

Category: Biology Ch 14 Class 11

All of the following protect the body against the entrance of germs except:

NTS 2017
Biology
Transport
Elimination Tool:

96 / 100

Category: Biology Ch 13 Class 11

Xerophytes have small thick leaves to;

UHS 2019
Biology
Gaseous Exchange
Elimination Tool:

97 / 100

Category: Biology Ch 3 Class 11

If enzyme concentration is low than substrate pH and temperature values are equal to requirement then which of the following will increase rate of reaction.

98 / 100

Category: Biology Ch 4 Class 12

Which statement is correct?

99 / 100

Category: Biology Ch 9 Class 12

During gel electrophoresis, the gel used is:

NUMS 2020
Biology
Biotechnology
Elimination Tool:

100 / 100

Category: Biology Ch 3 Class 12

The correct option about spinal nerves is:

NUMS 2020
Biology
Coordination and Control
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”

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  2. Anonymous

    Hi

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