Biology Practice Test 1

Entry test contains most of the Biology MCQs. FSC Pre-Medical Part 2 Biology book MCQs. HSSC bio questions MCQs. Solved Chapterwise Biology MCQs for first-year 12 class MCQs and 11 class MCQs. Second-year and first-year Biology textbooks chapter-wise MCQs with the answer are provided here. The Biology portion is helpful in MDCAT , NTS NAT , and NUST . PakLearningSpot PLS MCQs Bank website for FREE Entry test preparations




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Biology Practice Test 1

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1 / 100

Category: Biology Ch 13 Class 12

Water constitutes –% of body weight?

2 / 100

Category: Biology Ch 1 Class 11

A large regional community primarily determined by climate is called :

3 / 100

Category: Biology Ch 4 Class 11

Protein layers which are NOT continuous on the surface make ________ percent of total in plasma membrane.

NUMS 2019 Cancelled
Biology
Cell Structure and Function
Elimination Tool:

4 / 100

Category: Biology Ch 13 Class 11

Hemoglobin can absorb maximum oxygen at sea level, which is _____ ml/100 ml of blood.

NUMS 2019 Cancelled
Biology
Gaseous Exchange
Elimination Tool:

5 / 100

Category: Biology

Which organ(s) in the male reproductive system produce gametes?

NUMS Mock 4
Biology
Reproduction

6 / 100

Category: Biology Ch 4 Class 11

Detoxification of drugs is the function of _____ in a cell.

NUMS 2016
Biology
Cell Structure and Function
Elimination Tool:

7 / 100

Category: Biology Ch 5 Class 11

Vaccine Was discovered by :

8 / 100

Category: Biology Ch 6 Class 11

Which of the following statements about the systemic effect of bacterial cells is true?

PMC Practice 3
Biology
Kingdom Prokaryote
Elimination Tool:

9 / 100

Category: Biology Ch 6 Class 12

In Maxam – Gilbert method, DNA threads are:

NUMS 2015
Biology
Chromosomes and DNA
Elimination Tool:

10 / 100

Category: Biology

Q42 The process that secretes insulin from the cell is called?

11 / 100

Category: Biology

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

NUMS Mock 2
Biology
Biological Molecules

12 / 100

Category: Biology Ch 11 Class 12

Major regional ecological community of plants and animals forms

13 / 100

Category: Biology Ch 10 Class 11

Bipinnaria is the larval form of:

NUMS 2014
Biology
Kingdom Animalia
Elimination Tool:

14 / 100

Category: Biology

If concentration time graph of a reactant indicates a constant half life, then the order reaction with respect to that reactant is:

NUMS Mock 4
Chemistry
Reaction Kinetics

15 / 100

Category: Biology Ch 7 Class 11

Brown algae are also known as

16 / 100

Category: Biology Ch 1 Class 12

Which one of the following group of animals is homeothermic?

NUMS 2014
Biology
Homeostasis
Elimination Tool:

17 / 100

Category: Biology

Lamarck is best known for his theory of:

NUMS Mock 3
Biology
Evolution

18 / 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:

19 / 100

Category: Biology Ch 5 Class 11

Viruses without nuclear envelope is called as?

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

20 / 100

Category: Biology Ch 1 Class 12

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

21 / 100

Category: Biology Ch 13 Class 11

The respiratory pigment, which has much higher affinity to combine with oxygen is:

NUMS 2016
Biology
Gaseous Exchange
Elimination Tool:

22 / 100

Category: Biology Ch 3 Class 11

Enzymes _________ the activation energy of a chemical reaction

23 / 100

Category: Biology Ch 8 Class 11

Parasitic fungi absorb nutrients directly from the living host cytoplasm with the help of special hyphal tips called

24 / 100

Category: Biology Ch 3 Class 11

Reversible inhibitors form WEAK linkages with which of the following?

PMC Sample 3
Biology
Enzymes
Elimination Tool:

25 / 100

Category: Biology Ch 8 Class 12

Baldness is most frequent in

26 / 100

Category: Biology

Q.24  Pepsinogen is produce by:

27 / 100

Category: Biology Ch 9 Class 12

Which one has antibiotic resistance gene for tetracycline and ampicillin?

28 / 100

Category: Biology Ch 2 Class 12

Molluscs have an exoskeleton made up of:

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

29 / 100

Category: Biology Ch 5 Class 12

The active sites of all enzyme are formed by:

NUMS 2016
Biology
Growth and Development
Elimination Tool:

30 / 100

Category: Biology

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

31 / 100

Category: Biology Ch 5 Class 11

Diseases in living organisms which are caused by parasites are called:

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

32 / 100

Category: Biology Ch 4 Class 12

Which of the following hormones of the pituitary gland regulates the menstrual cycle?

PMC 2020
Biology
Reproduction
Elimination Tool:

33 / 100

Category: Biology Ch 6 Class 12

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

34 / 100

Category: Biology Ch 6 Class 11

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

35 / 100

Category: Biology Ch 6 Class 12

Within the chromosomes, each chromatid contains ______ DNA molecule:

NUMS 2020
Biology
Chromosomes and DNA
Elimination Tool:

36 / 100

Category: Biology Ch 11 Class 11

Quantitative study of energy relationships in biological systems obeys.

37 / 100

Category: Biology Ch 5 Class 12

Sertoli cells

38 / 100

Category: Biology

The thickest chamber of the human heart is:

NUMS Mock 4
Biology
Transport

39 / 100

Category: Biology Ch 3 Class 11

Lock and Key Model for enzyme action propose by Emil Fischer suggests that:

PMC 2020
Biology
Enzymes
Elimination Tool:

40 / 100

Category: Biology Ch 8 Class 12

What CANNOT be true for a man having B+ve blood group?

NUMS 2019 Reconduct
Biology
Variation and Genetics
Elimination Tool:

41 / 100

Category: Biology Ch 8 Class 11

Fungi which get their food directly from dead organic matter are called?

42 / 100

Category: Biology

Q.61 Which of the following is a compensation point?

43 / 100

Category: Biology Ch 3 Class 11

An activated enzyme made of polypeptide chain and a cofactor is?

PMC Practice 2
Biology
Enzymes
Elimination Tool:

44 / 100

Category: Biology Ch 12 Class 12

Which statement about hydrospheric ecosystem is incorrect?

45 / 100

Category: Biology Ch 9 Class 11

Why do Bryophytes and ferns both require water for fertilization?

NUMS 2015
Biology
Kingdom Plantae
Elimination Tool:

46 / 100

Category: Biology Ch 1 Class 11

In animals coordination is achieved by means of

47 / 100

Category: Biology Ch 6 Class 12

During DNA replication ______ attaches the fragment to the lagging strand.

NUMS 2019 Reconduct
Biology
Chromosomes and DNA
Elimination Tool:

48 / 100

Category: Biology Ch 14 Class 11

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

NTS 2012
Biology
Transport
Elimination Tool:

49 / 100

Category: Biology Ch 2 Class 12

Dermal and denticle scales of fishes are called:

NUMS 2015
Biology
Support and Movement
Elimination Tool:

50 / 100

Category: Biology

Q.23 During inspiration, the diaphragm:

51 / 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:

52 / 100

Category: Biology Ch 8 Class 11

The stored food in fungi is usually lipid droplets of:

NUMS 2017
Biology
Kingdom Fungi
Elimination Tool:

53 / 100

Category: Biology Ch 12 Class 11

Absorption of digested food occurs mainly in:

NUMS 2014
Biology
Nutrition
Elimination Tool:

54 / 100

Category: Biology Ch 13 Class 12

The productivity of aquatic ecosystem is determined by:

NUMS 2016
Biology
Man and His Environment
Elimination Tool:

55 / 100

Category: Biology Ch 6 Class 11

Which of the following organelles are present in all the bacteria?

NTS 2014
Biology
Kingdom Prokaryote
Elimination Tool:

56 / 100

Category: Biology Ch 2 Class 12

Muscle fiber has many _____ and in turns these have many ______.

NUMS 2019 Reconduct
Biology
Support and Movement
Elimination Tool:

57 / 100

Category: Biology Ch 10 Class 12

Which one of the following pairs represents an analogous feature?

NUMS 2018
Biology
Evolution
Elimination Tool:

58 / 100

Category: Biology Ch 5 Class 11

Whenever a virus encounters an unfamiliar organism, the virus may undergo multiple mutations and emerge as a variant that produces:

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

59 / 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:

60 / 100

Category: Biology Ch 6 Class 12

DNA has a helical shape with the diameter of

61 / 100

Category: Biology

Q47 The T-lymphocytes and B-lymphocytes are the major cells of the:

62 / 100

Category: Biology Ch 4 Class 12

Which one is not a day neutral plant?

63 / 100

Category: Biology Ch 6 Class 11

Tuberculosis is caused by?

NTS 2015 SMBBMC
Biology
Kingdom Prokaryote
Elimination Tool:

64 / 100

Category: Biology Ch 2 Class 12

Muscles that are attached to bones and have voluntary movements are termed as ______ muscles.

NUMS 2019 Reconduct
Biology
Support and Movement
Elimination Tool:

65 / 100

Category: Biology Ch 10 Class 12

If allele frequency for a dominant allele is 0.4. What will be the number of heterogeneous individuals if the population is of 100 individuals with diploid traits.

NUMS 2015
Biology
Evolution
Elimination Tool:

66 / 100

Category: Biology

The finger like infoldings, which are formed by inner membrane of mitochondria, are called:

NUMS Mock 2
Biology
Cell Structure and Function

67 / 100

Category: Biology Ch 1 Class 12

Purine and pyrimidine catabolism results in production of

68 / 100

Category: Biology Ch 7 Class 11

Which part of bacteria is most delicate and damage to it can kill the bacteria?

PMC 2021 Tested
Biology
Kingdom Protista
Elimination Tool:

69 / 100

Category: Biology Ch 5 Class 11

Which of the following is derived from Latin word VENUME which means poisonous?

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

70 / 100

Category: Biology

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

NUMS Mock 3
Biology
Nutrition

71 / 100

Category: Biology

Q.18 Which of these is not a reflex action?

72 / 100

Category: Biology Ch 5 Class 11

Chicken pox is caused by:

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

73 / 100

Category: Biology

An activated enzyme made of polypeptide chain and a cofactor is?

NUMS Mock 3
Biology
Enzymes

74 / 100

Category: Biology Ch 10 Class 11

Of the following which one is not the characteristic of Kingdom Animalia.

75 / 100

Category: Biology Ch 12 Class 11

The reaction involved in chemotrophic nutrition is:

NTS 2010
Biology
Nutrition
Elimination Tool:

76 / 100

Category: Biology Ch 5 Class 11

The size of poxvirus is:

77 / 100

Category: Biology Ch 8 Class 12

Which of the following does not belong to the same linkage group?

NUMS 2015
Biology
Variation and Genetics
Elimination Tool:

78 / 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:

79 / 100

Category: Biology Ch 14 Class 11

Consider the following statements regarding blood pressure:

1. It is the pressure exerted by the blood on the walls of any vessel.

2. It decreases in the arteries as the distance from the heart increases.

3. It is lower in the capillaries than in the arteries.

4. It is usually lower in women than in men.

Choose the correct statements.

NTS 2015 DUHS and JSMU
Biology
Transport
Elimination Tool:

80 / 100

Category: Biology Ch 2 Class 11

Cn(H2O)n. is a general formula of :

81 / 100

Category: Biology

Genetic information in the DNA is encoded as:

NUMS Mock 1
Biology
Chromosomes and DNA

82 / 100

Category: Biology Ch 2 Class 12

Vertebrae of the neck are called:

NUMS 2020
Biology
Support and Movement
Elimination Tool:

83 / 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:

84 / 100

Category: Biology Ch 3 Class 11

An enzyme increases the speed of a reaction:

NTS 2012
Biology
Enzymes
Elimination Tool:

85 / 100

Category: Biology

The dark reactions of photosynthesis are characterized by:

NUMS Mock 1
Biology
Bioenergetics

86 / 100

Category: Biology Ch 1 Class 12

In comparison to a constantly changing external environment, _____ is when the body maintains the internal processes to work in a narrow range of internal fluctuations.

NUMS 2019 Reconduct
Biology
Homeostasis
Elimination Tool:

87 / 100

Category: Biology Ch 13 Class 12

The actual or preserved remains of the organisms that lived in the ancient past are called:

UHS 2018
Biology
Man and His Environment
Elimination Tool:

88 / 100

Category: Biology Ch 5 Class 11

The size of smallest virus is:

89 / 100

Category: Biology Ch 12 Class 11

The disease night blindness is caused by deficiency of vitamin:

NTS 2016 SMBBMC
Biology
Nutrition
Elimination Tool:

90 / 100

Category: Biology Ch 5 Class 12

Wood is not formed in:

NUMS 2015
Biology
Growth and Development
Elimination Tool:

91 / 100

Category: Biology Ch 9 Class 11

Which one of the following types of cell are found in secondary xylem of angiosperms?

NTS 2015 DUHS and JSMU
Biology
Kingdom Plantae
Elimination Tool:

92 / 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:

93 / 100

Category: Biology Ch 7 Class 12

During the G2 phase:

UHS 2019
Biology
Cell Cycle
Elimination Tool:

94 / 100

Category: Biology Ch 5 Class 12

Amniotic fluid in human embryo protects it from:

NUMS 2014
Biology
Growth and Development
Elimination Tool:

95 / 100

Category: Biology Ch 2 Class 11

Which type of protein structure contains the three dimensional structure?

NTS 2013
Biology
Biological Molecules
Elimination Tool:

96 / 100

Category: Biology Ch 4 Class 12

Which statement is incorrect?

97 / 100

Category: Biology Ch 7 Class 11

Sleeping sickness in humans is caused by:

UHS 2013
Biology
Kingdom Protista
Elimination Tool:

98 / 100

Category: Biology Ch 11 Class 11

Lactic Acid Fermentation is a type of anaerobic respiration that occurs in human muscle cells. It yields only ____ % of the energy present in a glucose molecule.

NUMS 2019 Reconduct
Biology
Bioenergetics
Elimination Tool:

99 / 100

Category: Biology Ch 14 Class 11

Identify the incorrect statement from the following:

NTS 2010
Biology
Transport
Elimination Tool:

100 / 100

Category: Biology Ch 3 Class 12

The _____ may be a cell, neuron ending or an organ that receives the stimulus.

NUMS 2019 Reconduct
Biology
Coordination and Control
Elimination Tool:

Your score is

The average score is 52%

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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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