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 12 Class 11

When the liver fat content of our body increases, the condition leads to:

NUMS 2014
Biology
Nutrition
Elimination Tool:

2 / 100

Category: Biology

The Latin words of the name given to a human being, Homo Sapiens, include the:

NUMS Mock 1
Biology
Bio-diversity | Variety of Life

3 / 100

Category: Biology Ch 2 Class 11

Ribosomes are composed of almost an equal amount of:

NUMS 2018
Biology
Biological Molecules
Elimination Tool:

4 / 100

Category: Biology Ch 6 Class 12

Which of the following enzymes is used to join DNA fragments?

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

5 / 100

Category: Biology Ch 6 Class 11

A group of 8 cocci is called

6 / 100

Category: Biology Ch 10 Class 11

The name animal is derived from the word.

7 / 100

Category: Biology Ch 10 Class 11

Pseudo coelomate animals are:

NUMS 2014
Biology
Kingdom Animalia
Elimination Tool:

8 / 100

Category: Biology Ch 11 Class 11

What is the function of Ribulose?

PMC 2020
Biology
Bioenergetics
Elimination Tool:

9 / 100

Category: Biology Ch 8 Class 11

Which one of the following is different from all the rest regarding the number of cells inits body?

10 / 100

Category: Biology Ch 12 Class 11

Carotenoids are related to:

NUMS 2015
Biology
Nutrition
Elimination Tool:

11 / 100

Category: Biology Ch 10 Class 12

The total aggregate of genes in a population at any one time is called population’s

12 / 100

Category: Biology Ch 4 Class 12

Female rabbits are:

NUMS 2014
Biology
Reproduction
Elimination Tool:

13 / 100

Category: Biology Ch 9 Class 11

The gametophyte of Ulva is:

NUMS 2014
Biology
Kingdom Plantae
Elimination Tool:

14 / 100

Category: Biology Ch 14 Class 11

All of the following protect the body against the entrance of germs except:

NTS 2017
Biology
Transport
Elimination Tool:

15 / 100

Category: Biology Ch 14 Class 11

Which of the following is NOT a part of the immune system?

NTS 2018
Biology
Transport
Elimination Tool:

16 / 100

Category: Biology Ch 2 Class 11

Which one is the basic element of organic compounds ?

17 / 100

Category: Biology Ch 12 Class 11

The process of swallowing is controlled by:

NUMS 2016
Biology
Nutrition
Elimination Tool:

18 / 100

Category: Biology

Q.34 What molecule would you not expect to find in a refrovirus

19 / 100

Category: Biology Ch 6 Class 11

The presence of peptidoglycan in gram-positive bacteria is:

PMC Practice 3
Biology
Kingdom Prokaryote
Elimination Tool:

20 / 100

Category: Biology Ch 2 Class 11

Ribose sugar that is the main part of RNA is a type of _____ sugar.

NUMS 2019 Reconduct
Biology
Biological Molecules
Elimination Tool:

21 / 100

Category: Biology

Identify the incorrect statement about Charles Darwin’s theory:

NUMS Mock 1
Biology
Evoloution

22 / 100

Category: Biology Ch 3 Class 11

Which of the following statements is incorrect?

PMC Practice 1
Biology
Enzymes
Elimination Tool:

23 / 100

Category: Biology Ch 9 Class 12

Which of the following is not necessary for PCR to occur?

PMC 2020
Biology
Biotechnology
Elimination Tool:

24 / 100

Category: Biology

Which of the following basic structural level of proteins is indicated by an association of two alpha and two beta chains in the haemoglobin molecule?

NUMS Mock 2
Biology
Biological Molecules

25 / 100

Category: Biology Ch 4 Class 12

Male and female sea urchins release their sperm and eggs Into the water where fertilization takes place. How can their reproduction be described?

NTS 2013
Biology
Reproduction
Elimination Tool:

26 / 100

Category: Biology Ch 5 Class 11

A combination of alpha interferon and ribavirin is used for the treatment of hepatitis:

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

27 / 100

Category: Biology Ch 9 Class 11

Gymnosperms are referred to as “naked seeded plants”, because

NUMS 2016
Biology
Kingdom Plantae
Elimination Tool:

28 / 100

Category: Biology

Which of the following enzymes is used to join DNA fragments?

NUMS Mock 4
Biology
Chromosomes and DNA

29 / 100

Category: Biology

Germ layers are formed in which stage of development?

NUMS Mock 2
Biology
Growth and Development

30 / 100

Category: Biology Ch 2 Class 11

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

31 / 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

32 / 100

Category: Biology Ch 9 Class 12

Lambda phage is

33 / 100

Category: Biology Ch 13 Class 11

Which of the following is the respiratory surface in human beings?

PMC Practice 3
Biology
Gaseous Exchange
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34 / 100

Category: Biology Ch 8 Class 11

The stored food in fungi is usually lipid droplets of:

NUMS 2017
Biology
Kingdom Fungi
Elimination Tool:

35 / 100

Category: Biology Ch 5 Class 12

The active sites of all enzyme are formed by:

NUMS 2016
Biology
Growth and Development
Elimination Tool:

36 / 100

Category: Biology

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

NUMS Mock 4
Biology
Cell Structure and Function

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Category: Biology

Which of the following, which is the incorrectly paired one?

NUMS Mock 2
Biology
Biology and its Major Fields of Specialization

38 / 100

Category: Biology

Mutations can occur in:

NUMS Mock 4
Biology
Chromosomes and DNA

39 / 100

Category: Biology Ch 11 Class 11

Which of the following light is least absorbed by the plants:

40 / 100

Category: Biology Ch 12 Class 11

Which of the following have both internal and external digestion?

NUMS 2016
Biology
Nutrition
Elimination Tool:

41 / 100

Category: Biology Ch 6 Class 12

Which of the following RNA sequences would be transcribed from the DNA sequence ATGGCTAGGAC?

NTS 2017
Biology
Chromosomes and DNA
Elimination Tool:

42 / 100

Category: Biology

Which of the following photosystems is involved in cyclic photophosphorylation?

NUMS Mock 2
Biology
Bioenergetics

43 / 100

Category: Biology Ch 3 Class 11

In enzymatic mechanism, the substrate bind to the enzyme active site to produce?

PMC Practice 3
Biology
Enzymes
Elimination Tool:

44 / 100

Category: Biology Ch 12 Class 12

Which statement about hydrospheric ecosystem is incorrect?

45 / 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:

46 / 100

Category: Biology Ch 1 Class 12

Which one of the following group of animals is homeothermic?

NUMS 2014
Biology
Homeostasis
Elimination Tool:

47 / 100

Category: Biology

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

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Category: Biology

Q.27   The stimulus for the production of more gastrin hormone from the gastric endocrine lining is:

49 / 100

Category: Biology Ch 10 Class 12

Theory of Lamarck was based on:

NTS 2011
Biology
Evolution
Elimination Tool:

50 / 100

Category: Biology Ch 13 Class 11

The air spaces may comprise upto ______ of total volume of leaf surface.

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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:

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Category: Biology Ch 10 Class 12

In the Hardy – Weinberg principle, p2 + 2pq + q2 = 1 . q2 represents the frequency of the:

NTS 2010
Biology
Evolution
Elimination Tool:

53 / 100

Category: Biology

Q.36 The retinal is important for___________ of human

54 / 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:

55 / 100

Category: Biology Ch 10 Class 11

Which organism has wings with claws?

NUMS 2015
Biology
Kingdom Animalia
Elimination Tool:

56 / 100

Category: Biology Ch 5 Class 11

Eukaryotic, multicellular, and consumers belong to ______ kingdom.

NUMS 2017
Biology
Bio-diversity | Variety of Life
Elimination Tool:

57 / 100

Category: Biology Ch 1 Class 12

The only possible treatment in end stage renal failure is:

NUMS 2018
Biology
Homeostasis
Elimination Tool:

58 / 100

Category: Biology Ch 7 Class 11

Brown algae are also known as

59 / 100

Category: Biology Ch 7 Class 12

Which of the following sub stages does not occur in prophase I?

NTS 2015 SMBBMC
Biology
Cell Cycle
Elimination Tool:

60 / 100

Category: Biology Ch 4 Class 12

The egg-laying birds are called:

NUMS 2016
Biology
Reproduction
Elimination Tool:

61 / 100

Category: Biology Ch 12 Class 11

62 / 100

Category: Biology

Q.42 Antibodies play important role against microorganisms and other pathogens to which type of proteins do they belong?

63 / 100

Category: Biology

Q.57 Secondary oocyte is ovulated from:

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Category: Biology Ch 11 Class 11

1 NADH in respiratory chain produces:

NUMS 2015
Biology
Bioenergetics
Elimination Tool:

65 / 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:

66 / 100

Category: Biology Ch 11 Class 12

Legume plants are the hosts to

67 / 100

Category: Biology Ch 1 Class 12

Malpighian tubules are involved in excretion in:

NTS 2011
Biology
Homeostasis
Elimination Tool:

68 / 100

Category: Biology Ch 6 Class 11

Which of the following is TRUE about the structure of a typical bacterium?

PMC 2020
Biology
Kingdom Prokaryote
Elimination Tool:

69 / 100

Category: Biology Ch 3 Class 11

If enzyme concentration is low than substrate pH and temperature values are equal to requirement then which of the following will increase rate of reaction.

70 / 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:

71 / 100

Category: Biology Ch 6 Class 11

Which of the following types of bacterial reproduction is most similar to mitosis?

PMC Practice 2
Biology
Kingdom Prokaryote
Elimination Tool:

72 / 100

Category: Biology Ch 11 Class 12

A dual organism composed of symbiotic association of an alga living within a fungus myceliium is

73 / 100

Category: Biology Ch 7 Class 11

Chalk is gradually formed of dead

 

74 / 100

Category: Biology Ch 3 Class 11

The number of substrate molecules converted into the product by one molecule of enzyme active site per unit time is called?

PMC Practice 2
Biology
Enzymes
Elimination Tool:

75 / 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:

76 / 100

Category: Biology

The light dependent reaction of photosynthesis occurs in:

NUMS Mock 2
Biology
Bioenergetics

77 / 100

Category: Biology Ch 14 Class 11

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

NUMS 2020
Biology
Transport
Elimination Tool:

78 / 100

Category: Biology Ch 13 Class 11

A disease caused by gradual breakdown of the thin walls of alveoli is;

UHS 2019
Biology
Gaseous Exchange
Elimination Tool:

79 / 100

Category: Biology

In cross-section each Centriole consist of nine (each in triplets) of:

NUMS Mock 2
Biology
Cell Structure and Function

80 / 100

Category: Biology Ch 11 Class 11

Visible light used in photosynthesis ranges from:

81 / 100

Category: Biology Ch 2 Class 11

The number of calories required to raise the temperature of 1g of water from 15 to 16?C is called?

82 / 100

Category: Biology Ch 4 Class 12

All of the following are sexually transmitted diseases except:

NTS 2011
Biology
Reproduction
Elimination Tool:

83 / 100

Category: Biology Ch 9 Class 12

Tobacco plants, resistant to a nematode, have been developed by the introduction of DNA that produces (in the host cells):

PMC Practice 11
Biology
Biotechnology
Elimination Tool:

84 / 100

Category: Biology Ch 9 Class 12

The enzyme which seals the foreign DNA into the vector is

85 / 100

Category: Biology

The causes of Cyanosis include:

NUMS Mock 2
Biology
Transport

86 / 100

Category: Biology Ch 10 Class 11

Which one of following is a true fish?

NUMS 2014
Biology
Kingdom Animalia
Elimination Tool:

87 / 100

Category: Biology Ch 1 Class 12

The water content of mammalian blood is regulated by antidiuretic hormone(ADH). In which part of the nephron does regulation occur ?

NTS 2015 SMBBMC
Biology
Homeostasis
Elimination Tool:

88 / 100

Category: Biology Ch 11 Class 11

Pyruvic acid is the end product of:

NTS 2017
Biology
Bioenergetics
Elimination Tool:

89 / 100

Category: Biology Ch 10 Class 11

Aschelminthes is also known as

90 / 100

Category: Biology Ch 7 Class 12

Reverse of prophase is

91 / 100

Category: Biology Ch 2 Class 11

Among the most abundant biomolecules, _____ is the most abundant one on earth.

NUMS 2016
Chemistry
Biological Molecules
Elimination Tool:

92 / 100

Category: Biology

The element in basic structure of proteins which differentiate them from carbohydrates is?

NUMS Mock 1
Biology
Biological Molecules

93 / 100

Category: Biology

Genetic information in the DNA is encoded as:

NUMS Mock 1
Biology
Chromosomes and DNA

94 / 100

Category: Biology

Q.45 Muscle fatigue is characterized by all except:

95 / 100

Category: Biology

Q.18   Pick the incorrect pair:

96 / 100

Category: Biology Ch 14 Class 11

The causes of Cyanosis include:

NTS 2010
Biology
Transport
Elimination Tool:

97 / 100

Category: Biology Ch 3 Class 12

The correct option about spinal nerves is:

NUMS 2020
Biology
Coordination and Control
Elimination Tool:

98 / 100

Category: Biology Ch 1 Class 12

Which organ is called the body thermostat?

NUMS 2020
Biology
Homeostasis
Elimination Tool:

99 / 100

Category: Biology Ch 9 Class 12

Which of the following is the manipulation of genetic material for practical purposes?

NTS 2018
Biology
Biotechnology
Elimination Tool:

100 / 100

Category: Biology

Q.56 Which of the following movements are possible in pivot joint?

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