Biology Practice Test 3

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 3

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1 / 100

Category: Biology Ch 8 Class 12

Which traits are most likely to affect men than women?

PMC 2020
Biology
Variation and Genetics
Elimination Tool:

2 / 100

Category: Biology Ch 4 Class 11

Which of the statement about cell membrane is not true?

3 / 100

Category: Biology Ch 2 Class 11

The disease caused by nutritional deficiency is:

NTS 2018
Biology
Biological Molecules
Elimination Tool:

4 / 100

Category: Biology Ch 13 Class 12

Hot substance is escaped from inside the earth in the form of

5 / 100

Category: Biology Ch 8 Class 12

Genotype of blood group ‘AB’ in human is ______.

NUMS 2015
Biology
Variation and Genetics
Elimination Tool:

6 / 100

Category: Biology

Which of the following is correct in case of active membrane potential?

NUMS Mock 2
Biology

7 / 100

Category: Biology Ch 4 Class 12

In asexual reproduction offspring are produced by which of the following?

PMC Sample 2
Biology
Reproduction
Elimination Tool:

8 / 100

Category: Biology

Below the point at which the cotyledons are attached, the embryo axis is called _______.

NUMS Mock 2
Biology
Kingdom Plantae

9 / 100

Category: Biology Ch 6 Class 12

Part of the amino acid sequences In normal and sickle cell hemoglobin are shown.

Normal haemoglobin

Thr – pro – glu – glu

Sickle cell haemoglobin

thr – pro – val – glu

mRNA codons for these amino acids are

Glutamine (glu) GAA GAG

Threonine (thr) ACU ACC

Proline (pro) CCU CCC

Valine (val) GUA GUG

Which transfer RNA molecule is Involved in the formation of this part of the sickle cell haemoglobin?

NTS 2016 DUHS & JSMU
Biology
Chromosomes and DNA
Elimination Tool:

10 / 100

Category: Biology Ch 3 Class 11

Lock and Key model was proposed by

 

11 / 100

Category: Biology

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

12 / 100

Category: Biology Ch 13 Class 11

Breathing is considered as a:

PMC Practice 1
Biology
Gaseous Exchange
Elimination Tool:

13 / 100

Category: Biology Ch 8 Class 12

How many pairs of homologous chromosomes are present in Pisum sativum

14 / 100

Category: Biology Ch 5 Class 11

What type of virus is the smallpox virus?

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

15 / 100

Category: Biology

Icosahedral viruses have how many faces?

NUMS Mock 4
Biology
Variety of Life

16 / 100

Category: Biology Ch 6 Class 12

Y chromosome in humans:

NUMS 2015
Biology
Chromosomes and DNA
Elimination Tool:

17 / 100

Category: Biology Ch 5 Class 11

Which of the following diseases is sexually transmitted?

PMC 2020
Biology
Bio-diversity | Variety of Life
Elimination Tool:

18 / 100

Category: Biology Ch 10 Class 12

Analogous organs show

19 / 100

Category: Biology Ch 4 Class 12

Amniocentesis is performed between the:

NTS 2011
Biology
Reproduction
Elimination Tool:

20 / 100

Category: Biology

Which of the following will not undergo aldol condensation?

NUMS Mock 2
Chemistry
Aldehydes and Ketones

21 / 100

Category: Biology Ch 11 Class 12

The role a species plays in a community including behavior and influence is

22 / 100

Category: Biology Ch 13 Class 11

During inspiration, the diaphragm:

PMC Practice 3
Biology
Gaseous Exchange
Elimination Tool:

23 / 100

Category: Biology Ch 9 Class 11

Which of the following statement about plants is incorrect?

24 / 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:

25 / 100

Category: Biology Ch 10 Class 12

Natural selection can amplify or diminish variations that are?

PMC Sample 2
Biology
Evolution
Elimination Tool:

26 / 100

Category: Biology

Q.25 Which of the following is an example of a marine annelid?

27 / 100

Category: Biology Ch 3 Class 12

Lymph nodes are not present:

NUMS 2020
Biology
Coordination and Control
Elimination Tool:

28 / 100

Category: Biology Ch 8 Class 11

Which of the following group represent pathological fungi?

29 / 100

Category: Biology Ch 5 Class 11

Amoeba belongs to which kingdom:

30 / 100

Category: Biology Ch 9 Class 11

Which of the following of bryophytes are the simplest one?

31 / 100

Category: Biology

Q.43  Which of the following disappear during muscle contraction?

32 / 100

Category: Biology Ch 8 Class 12

A trait whose alleles are present in both males and females but prominent more in one sex than other is a:

NUMS 2016
Biology
Variation and Genetics
Elimination Tool:

33 / 100

Category: Biology

Which artery supplies blood to the liver?

NUMS Mock 1
Biology
Transport

34 / 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:

35 / 100

Category: Biology Ch 12 Class 11

Deficiency of K+ causes:

36 / 100

Category: Biology Ch 4 Class 11

In cell fractionation various components of cells including its organelles can be isolated in different layers depending upon:

37 / 100

Category: Biology Ch 7 Class 11

Who first separated bacteria from other protists as a group?

38 / 100

Category: Biology Ch 5 Class 12

When a fetus is in the uterus, what carries oxygen away from the placenta?

NTS 2013
Biology
Growth and Development
Elimination Tool:

39 / 100

Category: Biology Ch 9 Class 11

The botanical name of gum tree ls:

NTS 2013
Biology
Kingdom Plantae
Elimination Tool:

40 / 100

Category: Biology Ch 7 Class 11

Symptoms of malaria occur specifically due to the formation of:

NUMS 2015
Biology
Kingdom Protista
Elimination Tool:

41 / 100

Category: Biology Ch 10 Class 11

Of the following which one is not the characteristic of triploblasts.

42 / 100

Category: Biology Ch 6 Class 12

Which of the following statements correctly describes homologous chromosomes?

NTS 2016 DUHS & JSMU
Biology
Chromosomes and DNA
Elimination Tool:

43 / 100

Category: Biology Ch 5 Class 12

Germ layers are formed in which stage of development?

NUMS 2020
Biology
Growth and Development
Elimination Tool:

44 / 100

Category: Biology Ch 11 Class 11

Which of the following pigment is Blue- green in colour:

45 / 100

Category: Biology Ch 14 Class 11

Anti-bodies are produced by:

NUMS 2014
Biology
Transport
Elimination Tool:

46 / 100

Category: Biology Ch 7 Class 12

Interphase is a phase of the cell cycle defined only by the absence of _______.

NTS 2019
Biology
Cell Cycle
Elimination Tool:

47 / 100

Category: Biology Ch 4 Class 12

Which statement is incorrect?

48 / 100

Category: Biology Ch 6 Class 11

Gram negative bacteria are stained pink by the use of:

NUMS 2016
Biology
Kingdom Prokaryote
Elimination Tool:

49 / 100

Category: Biology Ch 6 Class 11

A bacterium with tuft of flagella at both poles is called

50 / 100

Category: Biology Ch 14 Class 11

Autoimmune diseases act at the principle of:

NUMS 2020
Biology
Transport
Elimination Tool:

51 / 100

Category: Biology Ch 3 Class 11

Inactive enzyme precursors such as pepsinogen for pepsin are called as:

PMC Practice 1
Biology
Enzymes
Elimination Tool:

52 / 100

Category: Biology Ch 3 Class 12

Which of the following is not the function of the cerebrum?

NUMS 2016
Biology
Coordination and Control
Elimination Tool:

53 / 100

Category: Biology

Q.41 The stretch reflex is also known as:

54 / 100

Category: Biology Ch 5 Class 12

Meristems are group of cells that

55 / 100

Category: Biology

Major coordinating centre for sensory and motor signaling is:

NUMS Mock 3
Biology
Coordination and Control

56 / 100

Category: Biology Ch 13 Class 11

Oxygen, released into the atmosphere, comes from:

NUMS 2020
Biology
Gaseous Exchange
Elimination Tool:

57 / 100

Category: Biology

Q.34 If the non-protien part is loosely attached to the protein part in the enzyme, it is known as

58 / 100

Category: Biology Ch 11 Class 11

The main process that occurs in the dark reaction in photosynthesis is:

NTS 2010
Biology
Bioenergetics
Elimination Tool:

59 / 100

Category: Biology Ch 10 Class 11

In mosquitoes, the plasmodium is found in?

NTS 2015 SMBBMC
Biology
Kingdom Animalia
Elimination Tool:

60 / 100

Category: Biology Ch 10 Class 12

Genetic equilibrium is a:

NTS 2019
Biology
Evolution
Elimination Tool:

61 / 100

Category: Biology

Which type of protein structure contains the three dimensional structure?

NUMS Mock 4
Biology
Biological Molecules

62 / 100

Category: Biology Ch 6 Class 11

Which of the following bacteria are without a cell wall?

NUMS 2016
Biology
Kingdom Prokaryote
Elimination Tool:

63 / 100

Category: Biology Ch 9 Class 11

Mosses are included in sub-division

64 / 100

Category: Biology

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

65 / 100

Category: Biology Ch 10 Class 12

Analogous organs show:

NUMS 2020
Biology
Evolution
Elimination Tool:

66 / 100

Category: Biology Ch 14 Class 11

Identify the only cells in leaf epidermis, which are NOT connected to other cells by plasmodesmata and are involved in photosynthesis.

NUMS 2019 Reconduct
Biology
Transport
Elimination Tool:

67 / 100

Category: Biology Ch 8 Class 12

Which of the following X – linked recessive trait that is more common in human males than in human females?

NUMS 2019 Cancelled
Biology
Variation and Genetics
Elimination Tool:

68 / 100

Category: Biology

Chest cavity is bounded by ribs and muscles on the sides, while the floor of chest cavity is called:

NUMS Mock 4
Biology
Gaseous Exchange

69 / 100

Category: Biology Ch 13 Class 11

The passageways of the respiratory system mucous secreting cells called:

NTS 2019
Biology
Gaseous Exchange
Elimination Tool:

70 / 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:

71 / 100

Category: Biology

Which component enters into mitochondria after glycolysis?

NUMS Mock 1
Biology
Bioenergetics

72 / 100

Category: Biology Ch 2 Class 12

Unpaired facial bones are:

NUMS 2018
Biology
Support and Movement
Elimination Tool:

73 / 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:

74 / 100

Category: Biology Ch 11 Class 12

Disease in living organisms caused by parasites is called

75 / 100

Category: Biology Ch 4 Class 12

Viviparous animals are those in which

76 / 100

Category: Biology Ch 14 Class 11

Which of the following blood vessels have the highest pressure of blood?

PMC 2020
Biology
Transport
Elimination Tool:

77 / 100

Category: Biology Ch 9 Class 12

Bacterial cells take up recombinant plasmids when they are treated with:

UHS 2015
Biology
Biotechnology
Elimination Tool:

78 / 100

Category: Biology Ch 6 Class 11

Which of the following is not a component of extracellular matrix in bacteria?

NUMS 2015
Biology
Kingdom Prokaryote
Elimination Tool:

79 / 100

Category: Biology Ch 9 Class 12

Which statement is not true about PCR?

80 / 100

Category: Biology Ch 1 Class 12

Terrestrial animals like kangaroo rat survive even without drinking water since

81 / 100

Category: Biology Ch 11 Class 11

Stroma of chloroplast carries the fixation of:

NUMS 2014
Biology
Bioenergetics
Elimination Tool:

82 / 100

Category: Biology Ch 12 Class 11

Plants absorb it in the form of soluble phosphates. It is present abundantly in the growing and storage organs of plants. What is it?

NTS 2012
Biology
Nutrition
Elimination Tool:

83 / 100

Category: Biology Ch 13 Class 11

Oxygen contents per liter of air is

84 / 100

Category: Biology Ch 13 Class 12

Tides are caused by

85 / 100

Category: Biology Ch 12 Class 11

Undigested food in cockroach is stored in:

NUMS 2015
Biology
Nutrition
Elimination Tool:

86 / 100

Category: Biology Ch 4 Class 12

Referring to sexual reproduction, humans are:

NTS 2018
Biology
Reproduction
Elimination Tool:

87 / 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:

88 / 100

Category: Biology

Q.54 Structures that were once functional in the past but no longer serve a purpose due to evolutionary adaptations and physiological changes are referred to as?

89 / 100

Category: Biology Ch 2 Class 11

he molecule used by most of the animals for long-term energy storage is:

NUMS 2016
Biology
Biological Molecules
Elimination Tool:

90 / 100

Category: Biology Ch 8 Class 11

Drug obtained from fungus used for lowing blood cholesterol is

UHS 2010
Biology
Kingdom Fungi
Elimination Tool:

91 / 100

Category: Biology Ch 2 Class 11

Which one is the basic element of organic compounds ?

92 / 100

Category: Biology Ch 4 Class 12

The human cells affected in HIV are which of the following?

PMC Sample 1
Biology
Reproduction
Elimination Tool:

93 / 100

Category: Biology Ch 13 Class 11

The function of respiratory passage, Cilia is to keep the airways clear of:

NTS 2019
Biology
Gaseous Exchange
Elimination Tool:

94 / 100

Category: Biology Ch 8 Class 12

Baldness is most frequent in

95 / 100

Category: Biology Ch 11 Class 12

The actual location or place where an organism lives is

96 / 100

Category: Biology Ch 6 Class 12

Histones have abundance of amino acids

97 / 100

Category: Biology

The animals that feed on organic debris from decomposing plants and animals are called:

NUMS Mock 1
Biology
Man and His Environment

98 / 100

Category: Biology Ch 14 Class 11

How many ml of blood is pumped by each contraction of the heart?

NUMS 2016
Biology
Transport
Elimination Tool:

99 / 100

Category: Biology Ch 9 Class 11

The male reproductive parts of the flower are called

UHS 2012
Biology
Kingdom Plantae
Elimination Tool:

100 / 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 4
Biology
Coordination and Control
D) IV, III, I and II

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The average score is 59%

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