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 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:

2 / 100

Category: Biology Ch 1 Class 12

Right kidney is slightly lower than left kidney due to:

NUMS 2018
Biology
Homeostasis
Elimination Tool:

3 / 100

Category: Biology

Q.48  Which of the following is incorrectly matched?

4 / 100

Category: Biology Ch 3 Class 12

The spinal nerves are functionally:

NUMS 2016
Biology
Coordination and Control
Elimination Tool:

5 / 100

Category: Biology Ch 2 Class 12

The process of cartilage formation is known as:

NUMS 2014
Biology
Support and Movement
Elimination Tool:

6 / 100

Category: Biology

The position of an organism in a food chain of an ecosystem called:

NUMS Mock 2
Biology
Man and His Environment

7 / 100

Category: Biology Ch 6 Class 11

Vibrio cholera is an example of ______ type of bacteria.

NUMS 2017
Biology
Kingdom Prokaryote
Elimination Tool:

8 / 100

Category: Biology Ch 3 Class 12

_________ is sometimes given by injection as an emergency treatment in cardiac arrest:

NUMS 2020
Biology
Coordination and Control
Elimination Tool:

9 / 100

Category: Biology Ch 7 Class 12

Exchange of segments between homologous chromosomes is called:

UHS 2012
Biology
Cell Cycle
Elimination Tool:

10 / 100

Category: Biology Ch 9 Class 11

The scientific name of thorn Apple is?

NTS 2015 DUHS and JSMU
Biology
Kingdom Plantae
Elimination Tool:

11 / 100

Category: Biology Ch 7 Class 12

Which of the following cells does not enter G0 phase?

NUMS 2020
Biology
Cell Cycle
Elimination Tool:

12 / 100

Category: Biology

Q.44  When calcium gates of the smooth endoplasmic reticulum are open, then calcium is released into:

13 / 100

Category: Biology Ch 11 Class 11

The organisms able to use sunlight directly as a source of energy are

14 / 100

Category: Biology

Photosystems are located in _

15 / 100

Category: Biology Ch 2 Class 12

Pivot joint exists between

NUMS 2014
Biology
Support and Movement
Elimination Tool:

16 / 100

Category: Biology Ch 3 Class 11

The type of energy, reduced by the enzymes, for biological reactions to occur is called the:

UHS 2019
Biology
Enzymes
Elimination Tool:

17 / 100

Category: Biology Ch 6 Class 12

Diameter of DNA double helix is:

NUMS 2015
Biology
Chromosomes and DNA
Elimination Tool:

18 / 100

Category: Biology

Which one of the following is common to all neurons?

NUMS Mock 3
Biology
Coordination and Control

19 / 100

Category: Biology Ch 3 Class 12

The gland known as the “gland of emergency” is the:

NTS 2014
Biology
Coordination and Control
Elimination Tool:

20 / 100

Category: Biology Ch 10 Class 11

What is the correct order of arthropod groups, from those with most legs to those with fewest legs?

NTS 2014
Biology
Kingdom Animalia
Elimination Tool:

21 / 100

Category: Biology Ch 3 Class 11

Enzymes work by which of the following?

PMC Practice 1
Biology
Enzymes
Elimination Tool:

22 / 100

Category: Biology Ch 9 Class 12

A weed engineered to produce a biodegradable plastic in cell granules is

23 / 100

Category: Biology Ch 1 Class 12

Capillaries present around the loop of Henle:

NUMS 2018
Biology
Homeostasis
Elimination Tool:

24 / 100

Category: Biology

Q.17 A structural component that is found in all viruses is?

25 / 100

Category: Biology Ch 4 Class 11

Magnifying power of electron microscope as compared to eye is

26 / 100

Category: Biology Ch 6 Class 12

Chromosome is made of

27 / 100

Category: Biology Ch 6 Class 12

An anticodon is the sequence of the nitrogenous bases on the:

NTS 2014
Biology
Chromosomes and DNA
Elimination Tool:

28 / 100

Category: Biology Ch 3 Class 12

Neurotransmitters trigger action potential in the postsynaptic neuron by changing the permeability of certain _________.

NUMS 2019 Reconduct
Biology
Coordination and Control
Elimination Tool:

29 / 100

Category: Biology Ch 3 Class 12

Cell membrane under resting conditions is impermeable to all the ions except

30 / 100

Category: Biology Ch 8 Class 11

Foliose lichen are

31 / 100

Category: Biology

Q.25  The substrate of the trypsin is:

32 / 100

Category: Biology Ch 9 Class 11

The simplest of all bryophytes are

33 / 100

Category: Biology Ch 12 Class 11

Strong chlorosis is due to the deficiency of _____ in plants.

34 / 100

Category: Biology Ch 12 Class 11

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

35 / 100

Category: Biology

Q.41 The stretch reflex is also known as:

36 / 100

Category: Biology Ch 5 Class 12

Typical symptoms like enlarged breasts and small testis in male are attributed to:

UHS 2015
Biology
Growth and Development
Elimination Tool:

37 / 100

Category: Biology Ch 5 Class 12

Apical meristems are located at

38 / 100

Category: Biology Ch 13 Class 11

Gaseous exchange in plants takes place through the:

NUMS 2020
Biology
Gaseous Exchange
Elimination Tool:

39 / 100

Category: Biology Ch 7 Class 11

Freshwater protozoans pump out excess water by a special structure called:

NUMS 2017
Biology
Kingdom Protista
Elimination Tool:

40 / 100

Category: Biology Ch 5 Class 11

A bacteriophage consists solely of:

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

41 / 100

Category: Biology

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

42 / 100

Category: Biology Ch 1 Class 12

Rapid movement of leaves of mimosa on touching is an example of :

43 / 100

Category: Biology Ch 13 Class 11

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

NUMS 2017
Biology
Gaseous Exchange
Elimination Tool:

44 / 100

Category: Biology Ch 9 Class 11

Which type of leucoplasts store lipids?

NUMS 2020
Biology
Kingdom Plantae
Elimination Tool:

45 / 100

Category: Biology

To overcome infertility, which technique is used?

NUMS Mock 4
Biology
Reproduction

46 / 100

Category: Biology

The region of the chromosome or, more specifically, the length of the DNA molecule, which has a particular function is called _______.

NUMS Mock 2
Biology
Chromosomes and DNA

47 / 100

Category: Biology Ch 7 Class 11

Which of the following results from conjugation in paramecium?

PMC Practice 3
Biology
Kingdom Protista
Elimination Tool:

48 / 100

Category: Biology

Q.39 If a cross section of a sarcomere is seen, each myosin is surrounded by how many actin molecules?

49 / 100

Category: Biology Ch 5 Class 12

In multicellular plants cell division occur by

50 / 100

Category: Biology

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

51 / 100

Category: Biology Ch 5 Class 11

Those organisms which can prepare their own food from simple inorganic material and can store energy are called

52 / 100

Category: Biology Ch 11 Class 11

Which of the following processes does NOT need Pyruvic Acid as a substrate?

PMC 2020
Biology
Bioenergetics
Elimination Tool:

53 / 100

Category: Biology Ch 1 Class 12

Which of the following statement about conifers is correct?

54 / 100

Category: Biology

Q.42 All of the following are paired facial bones except:

55 / 100

Category: Biology Ch 12 Class 11

Scurvy is caused by deficiency of vitamin ______.

NTS 2016 DUHS & JSMU
Biology
Nutrition
Elimination Tool:

56 / 100

Category: Biology Ch 7 Class 11

Sleeping sickness in humans is caused by:

UHS 2013
Biology
Kingdom Protista
Elimination Tool:

57 / 100

Category: Biology Ch 12 Class 11

Which of the following have both internal and external digestion?

NUMS 2016
Biology
Nutrition
Elimination Tool:

58 / 100

Category: Biology Ch 6 Class 11

In many bacteria, the cell wall is enclosed within a slime capsule made up of:

NUMS 2017
Biology
Kingdom Prokaryote
Elimination Tool:

59 / 100

Category: Biology Ch 4 Class 12

What is the commercial method of producing millions of seedlings in limited time?

NUMS 2016
Biology
Reproduction
Elimination Tool:

60 / 100

Category: Biology Ch 6 Class 12

What is the effect of enzyme DNA ligase?

PMC 2020
Biology
Chromosomes and DNA
Elimination Tool:

61 / 100

Category: Biology Ch 2 Class 11

Antibodies are

NUMS 2019 Cancelled
Biology
Biological Molecules
Elimination Tool:

62 / 100

Category: Biology Ch 6 Class 11

Gram negative bacteria are stained pink by the use of:

NUMS 2016
Biology
Kingdom Prokaryote
Elimination Tool:

63 / 100

Category: Biology Ch 6 Class 11

When were bacteriophages discovered by Twort?

PMC Practice 5
Biology
Kingdom Prokaryote
Elimination Tool:

64 / 100

Category: Biology

A man who has type AB blood cannot father a child with type ___ blood, because he would pass on either the ___ or the B allele to all of his offspring.

NUMS Mock 4
Biology
Variation and Genetics

65 / 100

Category: Biology Ch 2 Class 11

Ribosomes are composed of almost an equal amount of:

NUMS 2018
Biology
Biological Molecules
Elimination Tool:

66 / 100

Category: Biology

The sympathetic nervous system causes which of the following?

NUMS Mock 2
Biology
Coordination and Control

67 / 100

Category: Biology Ch 14 Class 11

In the human body, blood circulating from the gut to the heart passes through the:

NTS 2013
Biology
Transport
Elimination Tool:

68 / 100

Category: Biology Ch 3 Class 11

The active site of an enzyme:

69 / 100

Category: Biology Ch 10 Class 11

The Porifera are pore – bearing animals, commonly called:

NUMS 2018
Biology
Kingdom Animalia
Elimination Tool:

70 / 100

Category: Biology Ch 10 Class 12

Theory of Lamarck was based on:

NTS 2011
Biology
Evolution
Elimination Tool:

71 / 100

Category: Biology Ch 2 Class 11

Which of the following is the constituent of RNA molecule?

NUMS 2019 Cancelled
Biology
Biological Molecules
Elimination Tool:

72 / 100

Category: Biology Ch 2 Class 11

Which statement is true about an aqueous medium:

73 / 100

Category: Biology Ch 11 Class 11

NADH produces how many ATP?

NUMS 2016
Biology
Bioenergetics
Elimination Tool:

74 / 100

Category: Biology Ch 14 Class 11

Minerals salts enter a plant largely through its:

NTS 2015 SMBBMC
Biology
Transport
Elimination Tool:

75 / 100

Category: Biology Ch 3 Class 11

The optimum pH for the enzyme arginase is which of the following?

PMC Sample 2
Biology
Enzymes
Elimination Tool:

76 / 100

Category: Biology Ch 5 Class 12

Speed of growth is

77 / 100

Category: Biology Ch 6 Class 12

Histones have abundance of amino acids

78 / 100

Category: Biology Ch 10 Class 11

A characteristics features of Echinoderm is:

NTS 2011
Biology
Kingdom Animalia
Elimination Tool:

79 / 100

Category: Biology Ch 14 Class 11

The only vein in the human body carrying oxygenated blood is:

NUMS 2020
Biology
Transport
Elimination Tool:

80 / 100

Category: Biology Ch 5 Class 11

Which one of the following is NOT a mode of transmission of AIDS?

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

81 / 100

Category: Biology Ch 7 Class 12

Crossing over occur between ____________ of homologous chromosomes:

PMC Sample 1
Biology
Cell Cycle
Elimination Tool:

82 / 100

Category: Biology Ch 8 Class 12

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

83 / 100

Category: Biology

Q.1 At which times there is no net gaseous exchange between leaves and the atmosphere?

84 / 100

Category: Biology Ch 3 Class 11

Excessive increase in temperature of medium causes the enzyme molecule to

 

85 / 100

Category: Biology Ch 6 Class 11

Which of the following structure is not present in all the bacteria?

86 / 100

Category: Biology Ch 7 Class 12

Meiosis occur in

87 / 100

Category: Biology Ch 7 Class 11

How are flat worms not similar to round worms?

PMC Practice 4
Biology
Kingdom Protista
Elimination Tool:

88 / 100

Category: Biology Ch 1 Class 11

An unbroken series of species arranged in ancestors to descendent sequence with each later species having evolved from one that immediately preceded it is called:

89 / 100

Category: Biology Ch 9 Class 11

Bryophtes are called amphiabians of plant world because

90 / 100

Category: Biology Ch 3 Class 12

The prolactin hormone, responsible for the activation of mammary glands to start producing milk, is a hormone of the:

NTS 2010
Biology
Coordination and Control
Elimination Tool:

91 / 100

Category: Biology Ch 12 Class 11

Of the following, which one has more variety of nutrition?

92 / 100

Category: Biology Ch 11 Class 12

Diverse and stable community at the end of succession is

93 / 100

Category: Biology Ch 8 Class 11

According to two kingdom classification fungi were placed in kingdom

 

94 / 100

Category: Biology

_______ is involved in lipid synthesis/metabolism.

NUMS Mock 4
Biology
Cell Structure and Function

95 / 100

Category: Biology Ch 2 Class 12

Which one of the following forms the blk of exoskeleton of an arthropod?

96 / 100

Category: Biology Ch 4 Class 11

Etioplasts found in plants are actually one of the types of:

NUMS 2015
Biology
Cell Structure and Function
Elimination Tool:

97 / 100

Category: Biology Ch 1 Class 12

Which of the following fish drink large amount of sea water and excrete concentrated urine resulting in maximum salt excretion and minimal water loss?

98 / 100

Category: Biology Ch 13 Class 11

The gas-exchange portion of the human respiratory system is the:

NTS 2016 SMBBMC
Biology
Gaseous Exchange
Elimination Tool:

99 / 100

Category: Biology Ch 11 Class 11

Which component enters into mitochondria after glycolysis?

NUMS 2015
Biology
Bioenergetics
Elimination Tool:

100 / 100

Category: Biology

An enzyme that helps in the conversion of RNA to DNA is called:

NUMS Mock 3
Biology
Chromosomes and DNA

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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