Biology Practice Test 1




Biology Practice Test 1

Biology Practice Test 1 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 cell biology, genetics, physiology, ecology, evolution, and more, helping students improve accuracy and retention.

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Biology Practice Test 1

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1 / 100

Category: Biology Ch 6 Class 12

Mutations can occur in:

NUMS 2016
Biology
Chromosomes and DNA
Elimination Tool:

2 / 100

Category: Biology Ch 10 Class 12

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?

NTS 2014
Biology
Evolution
Elimination Tool:

3 / 100

Category: Biology Ch 6 Class 11

Rod-shaped bacteria are known as _______

UHS 2018
Biology
Kingdom Prokaryote
Elimination Tool:

4 / 100

Category: Biology Ch 5 Class 12

Growth of multicellular plants occur in

5 / 100

Category: Biology Ch 3 Class 11

A cofactor made of inorganic ion which is detachable is called

6 / 100

Category: Biology Ch 7 Class 11

Brown algae are also known as

7 / 100

Category: Biology Ch 2 Class 11

5 different amino acids, numbered 1, 2, 3, 4, and 5, below from the following sequence in the path of a polypeptide chain:

1-2-3-4-2-5-3

Messenger RNA codon, which correspond to the amino acids, are:
amino acid 1 UGU

amino acid 2 GAU

amino acid 3 CAC

amino acid 4 UAG

amino acid 5 AAG

Which one of the following DNA bases sequences could provide the code for the given section of the polypeptide?

NTS 2015 DUHS and JSMU
Biology
Biological Molecules
Elimination Tool:

8 / 100

Category: Biology Ch 11 Class 11

RuBP + O2 —Rubisco—> PGA + _______

NTS 2016 DUHS & JSMU
Biology
Bioenergetics
Elimination Tool:

9 / 100

Category: Biology Ch 3 Class 11

If the concentration of enzyme is kept constant and amount of substrate is increased a point is reached where increase in substrates concentration does not affect the reaction rate because of

10 / 100

Category: Biology

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

11 / 100

Category: Biology Ch 10 Class 12

Archaebacteria can survive at

12 / 100

Category: Biology Ch 10 Class 12

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?

NTS 2019
Biology
Evolution
Elimination Tool:

13 / 100

Category: Biology Ch 5 Class 12

Plasticity of cell wall increases during

14 / 100

Category: Biology Ch 7 Class 12

A special area of centromere with specific base arrangement and specific proteins where spindle fibers are attached is called

15 / 100

Category: Biology Ch 7 Class 12

Crossing over occur between ____________ of homologous chromosomes:

PMC Sample 1
Biology
Cell Cycle
Elimination Tool:

16 / 100

Category: Biology Ch 4 Class 11

Lysosomes function in:

NTS 2011
Biology
Cell Structure and Function
Elimination Tool:

17 / 100

Category: Biology Ch 9 Class 12

Human genome is ______ times larger than any other genome sequenced so far

18 / 100

Category: Biology Ch 2 Class 12

Bones of the skull are joined by:

NTS 2011
Biology
Support and Movement
Elimination Tool:

19 / 100

Category: Biology

Q.47  The chemical nature of oxytocin is:

20 / 100

Category: Biology Ch 4 Class 11

Percentage of proteins in cell membrane is

21 / 100

Category: Biology Ch 13 Class 12

In air nitrogen is

22 / 100

Category: Biology

Hemoglobin carries more oxygen than plasma by:

NUMS Mock 1
Biology
Gaseous Exchange

23 / 100

Category: Biology Ch 3 Class 11

Extreme change in pH results in:

 

24 / 100

Category: Biology

In a marine environment, the ion secreted by the kidney is:

NUMS Mock 1
Biology

25 / 100

Category: Biology

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

26 / 100

Category: Biology Ch 11 Class 11

Stroma of chloroplast carries the fixation of:

NUMS 2014
Biology
Bioenergetics
Elimination Tool:

27 / 100

Category: Biology Ch 2 Class 11

Which of the following amino acids has single codon?

NUMS 2014
Biology
Biological Molecules
Elimination Tool:

28 / 100

Category: Biology Ch 5 Class 11

The shape of the tobacco mosaic virus is:

NUMS 2016
Biology
Bio-diversity | Variety of Life
Elimination Tool:

29 / 100

Category: Biology Ch 3 Class 11

Restriction endonucleases

PMC Sample 2
Biology
Enzymes
Elimination Tool:

30 / 100

Category: Biology Ch 9 Class 11

Which of the following is true in angiosperm life cycle?

NTS 2014
Biology
Kingdom Plantae
Elimination Tool:

31 / 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

32 / 100

Category: Biology Ch 1 Class 12

Thick, waxy & leathery cuticle around leaves is present in

33 / 100

Category: Biology Ch 12 Class 11

Useful bacteria at the large intestine of humans produce:

NUMS 2015
Biology
Nutrition
Elimination Tool:

34 / 100

Category: Biology Ch 12 Class 11

Carotenoids are related to:

NUMS 2015
Biology
Nutrition
Elimination Tool:

35 / 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:

36 / 100

Category: Biology Ch 6 Class 12

Which statement is correct?

37 / 100

Category: Biology Ch 5 Class 11

Amoeba belongs to which kingdom:

38 / 100

Category: Biology Ch 13 Class 11

Water is _____ times viscous than air

39 / 100

Category: Biology Ch 6 Class 12

Transcription is the process in which an RNA copy of the DNA sequence and coding the gene is produced with the help of an enzyme called:

PMC 2020
Biology
Chromosomes and DNA
Elimination Tool:

40 / 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:

41 / 100

Category: Biology Ch 6 Class 12

Bacteria were grown in a medium containing heavy isotope of nitrogen (N15) for many generations and all their DNA contained many heavy nitrogen only. A bacterium of this type was transferred to normal medium and allowed to duplicate. After two divisions of heavy DNA is likely to be that:

NTS 2012
Biology
Chromosomes and DNA
Elimination Tool:

42 / 100

Category: Biology

Which of the following is not an infection of the lungs/respiratory tract?

NUMS Mock 2
Biology
Gaseous Exchange

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 7 Class 12

In which stage of meiotic division centromere divides?

NUMS 2017
Biology
Cell Cycle
Elimination Tool:

45 / 100

Category: Biology Ch 6 Class 12

In DNA A.

46 / 100

Category: Biology Ch 12 Class 11

Certain types of whales are also ______ feeder.

47 / 100

Category: Biology Ch 6 Class 12

“Law of independent assortment” states:

PMC 2020
Biology
Chromosomes and DNA
Elimination Tool:

48 / 100

Category: Biology Ch 6 Class 12

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

49 / 100

Category: Biology

Q.25 For respiratory metabolism, bacterial cell membrane contains

50 / 100

Category: Biology

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

51 / 100

Category: Biology Ch 5 Class 11

Where can viruses replicate?

PMC Sample 1
Biology
Bio-diversity | Variety of Life
Elimination Tool:

52 / 100

Category: Biology Ch 1 Class 12

Higher turgor pressure in a plant cell is maintained by:

53 / 100

Category: Biology Ch 3 Class 12

Neurons are cells adapted for the rapid transmission of electrical impulses. To do this, they have long thin processes called:

PMC 2020
Biology
Coordination and Control
Elimination Tool:

54 / 100

Category: Biology Ch 1 Class 12

Sperms of liverworts, mosses, ferns move towards archegonia, in response to uncleic acid released by the ovum. This is an example of:

55 / 100

Category: Biology Ch 11 Class 11

What is the function of Ribulose?

PMC 2020
Biology
Bioenergetics
Elimination Tool:

56 / 100

Category: Biology

Optimum pH for action of pepsin and salivary amylase is

NUMS Mock 2
Biology
Nutrition

57 / 100

Category: Biology Ch 12 Class 11

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

NUMS 2015
Biology
Nutrition
Elimination Tool:

58 / 100

Category: Biology Ch 5 Class 11

These viruses usually occur in two structural forms:

PMC Sample 2
Biology
Bio-diversity | Variety of Life
Elimination Tool:

59 / 100

Category: Biology Ch 8 Class 12

In cats, the genes controlling coat-color are co-dominant (incompletely dominant) and are carried on the X chromosomes. When a black female was mated with a ginger male the resulting litter consisted of black male and tortoise-shell female kittens. What phenotypic ratio would be expected in the F2 generation?

NTS 2012
Biology
Variation and Genetics
Elimination Tool:

60 / 100

Category: Biology Ch 9 Class 11

Which of the following statement about alternation of generation in bryophytes is incorrect?

61 / 100

Category: Biology

The type of plastids found in roots of plants are _____.

NUMS Mock 4
Biology
Cell Structure and Function

62 / 100

Category: Biology Ch 3 Class 11

During feedback inhibition, which of the following structural part of enzyme is involved?

NUMS 2020
Biology
Enzymes
Elimination Tool:

63 / 100

Category: Biology Ch 5 Class 12

Growth process is

64 / 100

Category: Biology Ch 4 Class 12

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

NTS 2019
Biology
Reproduction
Elimination Tool:

65 / 100

Category: Biology

Steroids consist of _____ 6 membered carbon rings and one 5 membered carbon ring.

NUMS Mock 4
Biology
Biological Molecules

66 / 100

Category: Biology Ch 14 Class 11

Arteriosclerosis is:

NUMS 2016
Biology
Transport
Elimination Tool:

67 / 100

Category: Biology Ch 11 Class 11

During the first three steps of glycolysis, glucose is converted to Fructose 1, 6-diphosphate by the rearrangement of the molecule and addition of two phosphate groups. The phosphate comes from?

NTS 2015 SMBBMC
Biology
Bioenergetics
Elimination Tool:

68 / 100

Category: Biology

Germ layers are formed in which stage of development?

NUMS Mock 2
Biology
Growth and Development

69 / 100

Category: Biology

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

70 / 100

Category: Biology Ch 8 Class 12

If a heterozygous individual shows the complete effect of both alleles, the type of inheritance would be

71 / 100

Category: Biology

Q.7 A neuron located in the cential hervous system that projects its axon outside the CNS is called:

72 / 100

Category: Biology Ch 7 Class 11

Which type of chlorophyll is found in all types of algae?

NUMS 2015
Biology
Kingdom Protista
Elimination Tool:

73 / 100

Category: Biology Ch 9 Class 11

Dark purple or black spore cases of Claviceps purpurea are called:

NUMS 2015
Biology
Kingdom Plantae
Elimination Tool:

74 / 100

Category: Biology Ch 6 Class 12

Haploid and monoploid numbers of chromosomes of hexaploid wheat are:

NTS 2014
Biology
Chromosomes and DNA
Elimination Tool:

75 / 100

Category: Biology Ch 1 Class 12

Which organ is called the body thermostat?

NUMS 2020
Biology
Homeostasis
Elimination Tool:

76 / 100

Category: Biology Ch 12 Class 11

Amylase is not produced by the following type(s) of salivary gland:

NUMS 2015
Biology
Nutrition
Elimination Tool:

77 / 100

Category: Biology

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

78 / 100

Category: Biology Ch 13 Class 12

An area previously supporting life is made barren, the subsequent recolonization is called ______.

UHS 2018
Biology
Man and His Environment
Elimination Tool:

79 / 100

Category: Biology Ch 7 Class 12

Which statement is not true about phragmoplast?

80 / 100

Category: Biology Ch 6 Class 12

The length of okazaki fragments in eukayotes is

81 / 100

Category: Biology Ch 8 Class 12

Two animals are mated. One is homozygous dominant for one character and homozygous recessive for another. The other animal Is heterozygous for both characters. How many phenotypes are expected in the offspring of this cross?

NTS 2016 DUHS & JSMU
Biology
Variation and Genetics
Elimination Tool:

82 / 100

Category: Biology Ch 10 Class 11

The radial symmetry is found in the animals of

83 / 100

Category: Biology Ch 8 Class 11

Coenocytic hyphae are also known as

84 / 100

Category: Biology Ch 8 Class 12

In nature, Garden pea is

85 / 100

Category: Biology Ch 9 Class 12

A method of DNA sequencing in which DNA threads are chemically cut into pieces of different sizes is

86 / 100

Category: Biology Ch 14 Class 11

The chemical nature of an antibody is:

NUMS 2016
Biology
Transport
Elimination Tool:

87 / 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:

88 / 100

Category: Biology Ch 8 Class 11

Saccharomyces cerevisiae is the scientific name of a:

NUMS 2017
Biology
Kingdom Fungi
Elimination Tool:

89 / 100

Category: Biology Ch 5 Class 11

Five kingdom classification was proposed by :

90 / 100

Category: Biology

Q.22 What are T Cells and their rolelin IHV infection?

91 / 100

Category: Biology Ch 8 Class 11

Constricting ring around nematode is formed by

92 / 100

Category: Biology Ch 2 Class 12

Roots of a plant show

93 / 100

Category: Biology Ch 9 Class 12

Chimaeric DNA is also known as

94 / 100

Category: Biology

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

95 / 100

Category: Biology Ch 5 Class 11

Solanum tuberosum is a scientific name of:

96 / 100

Category: Biology

Amylase is not produced by the following type(s) of salivary gland:

NUMS Mock 1
Biology
Nutrition

97 / 100

Category: Biology Ch 3 Class 11

The Induced fit model was introduced by Koshland in which of the following year?

PMC Sample 1
Biology
Enzymes
Elimination Tool:

98 / 100

Category: Biology Ch 11 Class 11

NAD is an example of ______:

NUMS 2020
Biology
Bioenergetics
Elimination Tool:

99 / 100

Category: Biology Ch 13 Class 12

Flow of energy in an ecosystem is:

NUMS 2014
Biology
Man and His Environment
Elimination Tool:

100 / 100

Category: Biology

On receiving the news of the sudden demise of a close friend; which is the most probable hormone that is secreted at that time?

NUMS Mock 1
Biology
Coordination and Control

Your score is

The average score is 52%

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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 1 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 1”

  1. Anonymous

    Hello sr thanks for your service
    But there are some MCQ Wich are out of the PMC slabus in this test
    But the test was very useful to me thanks

  2. Q:27 problem

  3. Anonymous

    AOA sir
    Here in the test there are many mcqs that are not included in Nums r Pmc syllabus
    Kindly check it out
    Thanks
    But it’s very helpful
    Thanks

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