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

DNA made by joining pieces from two or more different sources:

NUMS Mock 3
Biology
Biotechnology

2 / 100

Category: Biology Ch 9 Class 11

Which one of the following is not in the group of Gymnosperm?

NTS 2012
Biology
Kingdom Plantae
Elimination Tool:

3 / 100

Category: Biology Ch 1 Class 12

Which of the following substances helps to concentrate urine?

NUMS 2020
Biology
Homeostasis
Elimination Tool:

4 / 100

Category: Biology Ch 5 Class 12

Thyroxine deficiency in adults’ results in a condition called:

UHS 2015
Biology
Growth and Development
Elimination Tool:

5 / 100

Category: Biology

Which of the following single membranous organelle is absent in plant cells?

 

6 / 100

Category: Biology Ch 7 Class 12

Synthesis of microtubules increases in:

UHS 2018
Biology
Cell Cycle
Elimination Tool:

7 / 100

Category: Biology Ch 1 Class 12

Which part of the brain regulates body temperature?

NTS 2016 SMBBMC
Biology
Homeostasis
Elimination Tool:

8 / 100

Category: Biology

The autonomic nervous system controls all of the following activities except:

NUMS Mock 1
Biology
Coordination and Control

9 / 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:

10 / 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:

11 / 100

Category: Biology

Q.68 Enzymes are globular proteins because

12 / 100

Category: Biology Ch 3 Class 11

A reaction will proceed faster if the activation energy is?

PMC Sample 1
Biology
Enzymes
Elimination Tool:

13 / 100

Category: Biology Ch 10 Class 12

Homology means

PMC Sample 3
Biology
Evolution
Elimination Tool:

14 / 100

Category: Biology

Q.54 First cardiac sound is associated with:

15 / 100

Category: Biology Ch 13 Class 11

Pharynx leads air into _____ through glottis.

NTS 2012
Biology
Gaseous Exchange
Elimination Tool:

16 / 100

Category: Biology Ch 9 Class 12

Which of the following is NOT true for genes used in recombinant DNA technology?

NUMS 2019 Reconduct
Biology
Biotechnology
Elimination Tool:

17 / 100

Category: Biology Ch 8 Class 12

______ alleles both have an effect on the phenotype of a heterozygous organism:

PMC 2020
Biology
Variation and Genetics
Elimination Tool:

18 / 100

Category: Biology Ch 11 Class 11

Which of the light is mainly absorbed by the plants:

19 / 100

Category: Biology

Red-green color-blindness is an X-linked recessive disorder. Jacob’s paternal grandfather and father are both color-blind, but his mother has two normal alleles. What is the probability that Jacob is red-green color-blind?

NUMS Mock 2
Biology
Variation and Genetics

20 / 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

21 / 100

Category: Biology Ch 6 Class 11

Which of the following is not a sterilization method for the control of bacteria?

PMC Practice 4
Biology
Kingdom Prokaryote
Elimination Tool:

22 / 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.

23 / 100

Category: Biology Ch 11 Class 11

The process by which one molecule of Glucose splits up into molecules of Pyruvate is called:

NTS 2018
Biology
Bioenergetics
Elimination Tool:

24 / 100

Category: Biology Ch 5 Class 11

HIV is a:

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

25 / 100

Category: Biology Ch 9 Class 11

In bryophytes fertilization takes place in

26 / 100

Category: Biology Ch 7 Class 11

Bacteria that live in intestine and produce vitamin K belong to?

PMC 2021 Tested
Biology
Kingdom Protista
Elimination Tool:

27 / 100

Category: Biology Ch 12 Class 11

Certain types of whales are also ______ feeder.

28 / 100

Category: Biology Ch 3 Class 12

Which type of sensory structures carrying the touch sensations are present in papillae extending into ridges of the fingertips?

29 / 100

Category: Biology Ch 4 Class 11

A group of cells performing same function are known as:

NUMS 2016
Biology
Cell Structure and Function
Elimination Tool:

30 / 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:

31 / 100

Category: Biology Ch 12 Class 11

Parasites capable of living independently of its host at times is called as _______ parasite.

32 / 100

Category: Biology Ch 12 Class 11

Autotrophic organisms can exist in an exclusively ______ environment.

33 / 100

Category: Biology Ch 4 Class 12

A pollen tube serves to:

NTS 2015 SMBBMC
Biology
Reproduction
Elimination Tool:

34 / 100

Category: Biology Ch 4 Class 12

Egg-laying mammals are called:

NUMS 2016
Biology
Reproduction
Elimination Tool:

35 / 100

Category: Biology

Q4 A condition with abnormal amount of fats is called:

36 / 100

Category: Biology Ch 10 Class 11

The only aquatic arthropods:

PMC Sample 1
Biology
Kingdom Animalia
Elimination Tool:

37 / 100

Category: Biology

Q.28 The enzyme which plays important role in HIV pathogenesis

38 / 100

Category: Biology Ch 6 Class 11

Which of the following structures provides greater pathogenicity to the bacteria?

PMC Practice 3
Biology
Kingdom Prokaryote
Elimination Tool:

39 / 100

Category: Biology

Q.15 The inhibitory effect of which inhibitor can be more dangerous in Krebs cycle?

40 / 100

Category: Biology Ch 12 Class 11

Digestion of which food components starts from the oral cavity?

NUMS 2020
Biology
Nutrition
Elimination Tool:

41 / 100

Category: Biology Ch 11 Class 11

The end product of Glycolysis is:

NTS 2011
Biology
Bioenergetics
Elimination Tool:

42 / 100

Category: Biology Ch 4 Class 12

The sexually transmitted disease, that can affect both the male and the female genitals and may damage the eyes of babies born of infected mothers is:

PMC Sample 1
Biology
Reproduction
Elimination Tool:

43 / 100

Category: Biology Ch 2 Class 11

When the concentration of the external medium is equal to the concentration of the internal medium of a cell, the situation is called:

NUMS 2017
Biology
Biological Molecules
Elimination Tool:

44 / 100

Category: Biology Ch 5 Class 11

Genetically modified plants contain:

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

45 / 100

Category: Biology Ch 9 Class 11

A sponge of Antarctica which is more than a meter tall is known as?

PMC Sample 3
Biology
Kingdom Plantae
Elimination Tool:

46 / 100

Category: Biology Ch 4 Class 11

Anthocyanins are various types of colorful pigments present in the:

NUMS 2014
Biology
Cell Structure and Function
Elimination Tool:

47 / 100

Category: Biology Ch 9 Class 11

The part of sporophyte which is called sporangium is

48 / 100

Category: Biology Ch 2 Class 11

In an isotonic solution there would be:

NTS 2016 SMBBMC
Biology
Biological Molecules
Elimination Tool:

49 / 100

Category: Biology Ch 7 Class 12

Failure of separation of sister chromatids is called:

NUMS 2020
Biology
Cell Cycle
Elimination Tool:

50 / 100

Category: Biology

The end product of glycolysis in anaerobic respiration is:

NUMS Mock 4
Biology
Bioenergetics

51 / 100

Category: Biology Ch 11 Class 11

The dark reactions of photosynthesis are characterized by:

NTS 2016 DUHS & JSMU
Biology
Bioenergetics
Elimination Tool:

52 / 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:

53 / 100

Category: Biology

Q.10 Synaptic vesicles discharge which hormone at the neuromuscular junction?

54 / 100

Category: Biology Ch 8 Class 11

Parasitic fungi absorbs nutrients directly from the living host with the help of special hyphae tips called _______.

NTS 2012
Biology
Kingdom Fungi
Elimination Tool:

55 / 100

Category: Biology Ch 9 Class 12

Recombinant DNA contains DNA from

56 / 100

Category: Biology Ch 9 Class 11

Antheridia and archegonia are _____ organs in bryophytes.

NTS 2015 DUHS and JSMU
Biology
Kingdom Plantae
Elimination Tool:

57 / 100

Category: Biology

How are new mitochondria formed by the pre-existing ones?

58 / 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:

59 / 100

Category: Biology Ch 7 Class 11

Which of the following results from conjugation in paramecium?

PMC Practice 3
Biology
Kingdom Protista
Elimination Tool:

60 / 100

Category: Biology Ch 13 Class 12

A lullaby is a song. No song is prose. Some proses are epics.
Conclusions:
I. Some proses are songs.
II. Some epics are lullabies.
III. Some songs are lullabies.
Which of the following is most appropriate in the above case?
a) Only II
b) Only III
c) I, II, and III are inappropriate

61 / 100

Category: Biology Ch 3 Class 11

Identify the wrong statements.

(a) The substrate binds to active site of enzyme and not fitting into active site

(b) The binding of substrate induces the enzyme to alter its shape

(c) Chemical bonds of substrate break down not to form new enzyme-product complex

(d) The enzyme releases the products of the reaction and runs through catalytic cycle once again

NUMS 2019 Reconduct
Biology
Enzymes
Elimination Tool:

62 / 100

Category: Biology Ch 2 Class 11

Which of the following is an unsaturated fatty acid?

PMC 2020
Biology
Biological Molecules
Elimination Tool:

63 / 100

Category: Biology Ch 2 Class 12

Pivot joint exists between

NUMS 2014
Biology
Support and Movement
Elimination Tool:

64 / 100

Category: Biology Ch 13 Class 11

The glycolate produced diffuses into the membrane bounded organelles called

65 / 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:

66 / 100

Category: Biology

Q.64 Which of the following conditions is not required to be true for a population in Hardy-Veinberg equilibrium?

67 / 100

Category: Biology Ch 3 Class 11

If the non-protien part is loosely attached to the protein part in the enzyme, it is known as ______.

PMC Practice 3
Biology
Enzymes
Elimination Tool:

68 / 100

Category: Biology

Q.36   Parkinson’s disease is caused by cell death, which produces ____________.

69 / 100

Category: Biology

Q.23 Reflex action is type of

70 / 100

Category: Biology Ch 9 Class 11

Why do Bryophytes and ferns both require water for fertilization?

NUMS 2015
Biology
Kingdom Plantae
Elimination Tool:

71 / 100

Category: Biology Ch 8 Class 12

If we cross round (RR) seeded plants with wrinkled (rr) seed plant, and get F1 round seeded. In F2 generation, what will be genotypic ration of plants try Punnett square method?

NUMS 2019 Cancelled
Biology
Variation and Genetics
Elimination Tool:

72 / 100

Category: Biology Ch 7 Class 11

Which of the following is used as a biological weapon?

PMC 2021 Tested
Biology
Kingdom Protista
Elimination Tool:

73 / 100

Category: Biology Ch 14 Class 11

75% osmotic pressure of blood is maintained by:

NUMS 2015
Biology
Transport
Elimination Tool:

74 / 100

Category: Biology Ch 8 Class 12

The total number of genes present in a particular population, at a particular time is called:

NUMS 2019 Cancelled
Biology
Variation and Genetics
Elimination Tool:

75 / 100

Category: Biology

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

NUMS Mock 2
Biology
Biological Molecules

76 / 100

Category: Biology

The type of gene interaction in which the effect caused by a gene at one locus interfere with the effect caused by another gene at another locus is known as:

NUMS Mock 1
Biology
Variation and Genetics

77 / 100

Category: Biology Ch 1 Class 11

A series of hypothesis supported by the results of many tests is called

78 / 100

Category: Biology

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

NUMS Mock 4
Biology
Coordination and Control

79 / 100

Category: Biology Ch 4 Class 12

Duration of menstrual cycle is how many days on average?

PMC Sample 1
Biology
Reproduction
Elimination Tool:

80 / 100

Category: Biology

Q.12 An enzyme without its cofactor is called.

81 / 100

Category: Biology Ch 6 Class 12

The chromosomes with equal arms are called:

NTS 2018
Biology
Chromosomes and DNA
Elimination Tool:

82 / 100

Category: Biology Ch 2 Class 11

Which one of the following is found in both messenger RNA and DNA of a mammalian cell?

PMC 2020
Biology
Biological Molecules
Elimination Tool:

83 / 100

Category: Biology Ch 9 Class 12

Which statement is not true about PCR?

84 / 100

Category: Biology

Q.38  Testosterone is produce by which of the following?

85 / 100

Category: Biology Ch 10 Class 11

Which of the following is a freshwater sponge?

NUMS 2016
Biology
Kingdom Animalia
Elimination Tool:

86 / 100

Category: Biology Ch 3 Class 11

Which of the following statements about enzymes is false?

PMC Sample 1
Biology
Enzymes
Elimination Tool:

87 / 100

Category: Biology Ch 1 Class 12

An increrase in plant girth due to activity of _____ is called secondary growth.

88 / 100

Category: Biology Ch 6 Class 11

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

NTS 2016 SMBBMC
Biology
Kingdom Prokaryote
Elimination Tool:

89 / 100

Category: Biology Ch 9 Class 12

Some transgenic bacteria produce a dipeptide sweetener called

90 / 100

Category: Biology Ch 14 Class 11

Autoimmune diseases act at the principle of:

NUMS 2020
Biology
Transport
Elimination Tool:

91 / 100

Category: Biology

The hormone which controls the uptake of Sodium ions in kidney and its maintenance in blood plasma is:

NUMS Mock 2
Biology
Coordination and Control

92 / 100

Category: Biology Ch 10 Class 12

Genetic equilibrium is a:

NTS 2019
Biology
Evolution
Elimination Tool:

93 / 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:

94 / 100

Category: Biology Ch 10 Class 11

Coelom is a cavity lined by:

NUMS 2016
Biology
Kingdom Animalia
Elimination Tool:

95 / 100

Category: Biology

Which substance might include this molecule?

NUMS Mock 4
Biology
Biological Molecules

96 / 100

Category: Biology

Q.67 The animals which belong to division Radiata is/are?

97 / 100

Category: Biology

As pH of blood decreases, H+ ions increases, which combine the proteins part of hemoglobin, to decrease its ability to bind with:

NUMS Mock 2
Biology
Gaseous Exchange

98 / 100

Category: Biology Ch 4 Class 12

Referring to sexual reproduction, humans are:

NTS 2018
Biology
Reproduction
Elimination Tool:

99 / 100

Category: Biology Ch 5 Class 11

Which of the following category is most general with its members lest resembling with each other than the other categries:

100 / 100

Category: Biology Ch 14 Class 11

Anti-bodies are produced by:

NUMS 2014
Biology
Transport
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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