Biology Practice Test 4

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 4

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1 / 100

Category: Biology Ch 10 Class 11

In mosquitoes, the plasmodium is found in?

NTS 2015 SMBBMC
Biology
Kingdom Animalia
Elimination Tool:

2 / 100

Category: Biology Ch 9 Class 12

Lambda phage is

3 / 100

Category: Biology Ch 5 Class 11

Where can viruses replicate?

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

4 / 100

Category: Biology

What is the effect of enzyme DNA ligase?

NUMS Mock 2
Biology
Chromosomes and DNA

5 / 100

Category: Biology

Q.66 Which one of the following is a non-protein group covalently bonded to a few respiratory enzymes among others?

6 / 100

Category: Biology Ch 2 Class 12

Poliomyelitis normally affects the:

NUMS 2014
Biology
Support and Movement
Elimination Tool:

7 / 100

Category: Biology

Q.58 The enzymes required for the breakdown of glucose into pyruvate is present in:

8 / 100

Category: Biology Ch 11 Class 12

Sequence of changes in community and its non-living environment over a period of time is

9 / 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:

10 / 100

Category: Biology Ch 7 Class 12

Which statement is incorrect?

11 / 100

Category: Biology Ch 12 Class 12

Ecosystem of Shogran is

12 / 100

Category: Biology Ch 1 Class 12

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

13 / 100

Category: Biology Ch 6 Class 11

The first simplest oxygen producing organism:

NUMS 2016
Biology
Kingdom Prokaryote
Elimination Tool:

14 / 100

Category: Biology Ch 9 Class 11

The space between the overtopped dichotomous branches was occupied by a sheet of which cells during evolution of megaphylls?

PMC Sample 2
Biology
Kingdom Plantae
Elimination Tool:

15 / 100

Category: Biology Ch 7 Class 12

During the formation of an ovum nondisjunction of the sex chromosomes occurred the ovum was then fertilized by a normal Y-bearing sperm cell which one of the following shows the sex chromosome complement of the resulting zygote?

NTS 2015 DUHS and JSMU
Biology
Cell Cycle
Elimination Tool:

16 / 100

Category: Biology Ch 8 Class 11

Fungi can tolerate pH from

17 / 100

Category: Biology Ch 9 Class 12

This enzyme is used to cut DNA molecule in rDNA technology

PMC Sample 2
Biology
Biotechnology
Elimination Tool:

18 / 100

Category: Biology Ch 4 Class 12

Menstrual cycle can be divided into:

NUMS 2015
Biology
Reproduction
Elimination Tool:

19 / 100

Category: Biology Ch 9 Class 11

Antheridiophore and archegoniophore are found in

20 / 100

Category: Biology Ch 12 Class 11

In human gut, chylomicrons are formed by the combination of:

NUMS 2020
Biology
Nutrition
Elimination Tool:

21 / 100

Category: Biology Ch 11 Class 11

The end product of glycolysis in anaerobic respiration is:

PMC 2020
Biology
Bioenergetics
Elimination Tool:

22 / 100

Category: Biology Ch 6 Class 11

Cell wall is only absent in the following group of bacteria;

PMC Practice 6
Biology
Kingdom Prokaryote
Elimination Tool:

23 / 100

Category: Biology

Q.48  Which of the following is incorrectly matched?

24 / 100

Category: Biology Ch 4 Class 11

Chief material present in the cell wall of plants, fungal, and prokaryotic cells is:

NUMS 2020
Biology
Cell Structure and Function
Elimination Tool:

25 / 100

Category: Biology

In which of the following growth phases, the number of bacteria increases the most rapidly?

NUMS Mock 4
Biology
Kingdom Protista

26 / 100

Category: Biology

Which of the following occurs in the body in response to the secretion of Glucagon?

NUMS Mock 2
Biology
Homeostasis

27 / 100

Category: Biology Ch 4 Class 11

Cellulose is the major component of

28 / 100

Category: Biology Ch 13 Class 12

Balance in the nutrient cycle can be upset when

29 / 100

Category: Biology Ch 6 Class 12

Y chromosome in humans:

NUMS 2015
Biology
Chromosomes and DNA
Elimination Tool:

30 / 100

Category: Biology Ch 7 Class 11

Which of the following statement is incorrect about algae?

31 / 100

Category: Biology Ch 4 Class 12

Gametes in animals are produced by

32 / 100

Category: Biology Ch 11 Class 11

Which of the following is a compensation point:

33 / 100

Category: Biology Ch 13 Class 11

Thick, waxy & leathery cuticle around leaves is present in which of the following?

PMC Sample 2
Biology
Gaseous Exchange
Elimination Tool:

34 / 100

Category: Biology

To overcome infertility, which technique is used?

NUMS Mock 4
Biology
Reproduction

35 / 100

Category: Biology Ch 3 Class 11

In 1959, Koshland proposed which of the following?

PMC Practice 1
Biology
Enzymes
Elimination Tool:

36 / 100

Category: Biology Ch 6 Class 12

Genetic information in the DNA is encoded as:

NTS 2018
Biology
Chromosomes and DNA
Elimination Tool:

37 / 100

Category: Biology Ch 11 Class 11

Carbon dioxide joins the photosynthetic pathway at:

NTS 2018
Biology
Bioenergetics
Elimination Tool:

38 / 100

Category: Biology Ch 10 Class 12

The organs which are similar in function but differ in structure are called:

PMC 2020
Biology
Evolution
Elimination Tool:

39 / 100

Category: Biology Ch 5 Class 12

Which of the following is not related to apoptosis?

NUMS 2015
Biology
Growth and Development
Elimination Tool:

40 / 100

Category: Biology Ch 4 Class 11

Which one of the following combinations is NOT the part of an animal cell?

NUMS 2019 Reconduct
Biology
Cell Structure and Function
Elimination Tool:

41 / 100

Category: Biology Ch 1 Class 12

Sperms of liverworts, mosses, ferns move towards archegonia, in response to uncleic acid released by the ovum. This is an example of:

42 / 100

Category: Biology Ch 10 Class 12

Which of the following theories or evolution can best explain the vestigial organs.

NUMS 2014
Biology
Evolution
Elimination Tool:

43 / 100

Category: Biology Ch 1 Class 12

In a marine environment, the ion secreted by the kidney is:

NUMS 2020
Biology
Homeostasis
Elimination Tool:

44 / 100

Category: Biology Ch 13 Class 12

Conversion of ammonium into nitrates is:

UHS 2018
Biology
Man and His Environment
Elimination Tool:

45 / 100

Category: Biology Ch 8 Class 11

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

46 / 100

Category: Biology Ch 10 Class 11

Species of phylum Platyhelminthes are:

NTS 2011
Biology
Kingdom Animalia
Elimination Tool:

47 / 100

Category: Biology Ch 5 Class 11

Which of the Euglenas (a Protoctista) character resembles that of animals:

48 / 100

Category: Biology Ch 7 Class 12

Which of the following statements is true about metaphase?

PMC 2021 Tested
Biology
Cell Cycle
Elimination Tool:

49 / 100

Category: Biology

Which substance might include this molecule?

NUMS Mock 4
Biology
Biological Molecules

50 / 100

Category: Biology Ch 12 Class 12

In which zone plant community is most diverse

51 / 100

Category: Biology Ch 2 Class 11

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

52 / 100

Category: Biology Ch 5 Class 12

A bean seed contains all of the following except:

NTS 2012
Biology
Growth and Development
Elimination Tool:

53 / 100

Category: Biology

The causes of Cyanosis include:

NUMS Mock 2
Biology
Transport

54 / 100

Category: Biology Ch 12 Class 11

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

55 / 100

Category: Biology Ch 10 Class 12

The following observations refer to evolution:

I. Inherited variations which are ‘favoured’ in particular environments are passed on.

II. There is a struggle for existence.

III. In time, ‘favoured’ inherited variations may accumulate causing gradual changes in the organism.

IV. Although populations tend to overproduce, they remain more or less constant in numbers from generation to generation.

In what sequence should the statements be placed to support Darwin’s theory of evolution?

NTS 2014
Biology
Evolution
Elimination Tool:

56 / 100

Category: Biology Ch 13 Class 12

Tides are caused by

57 / 100

Category: Biology Ch 11 Class 11

Photophosphorylation takes place in the _____ of the chloroplasts:

PMC 2020
Biology
Bioenergetics
Elimination Tool:

58 / 100

Category: Biology

Lamarck is best known for his theory of:

NUMS Mock 3
Biology
Evolution

59 / 100

Category: Biology

As an essential element in living organisms, _______ ion is playing an important role in insulin secretion, the release of neurotransmitters, muscle contraction, and heartbeat regulation.

NUMS Mock 2
Biology
Coordination and Control

60 / 100

Category: Biology Ch 3 Class 12

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

NTS 2014
Biology
Coordination and Control
Elimination Tool:

61 / 100

Category: Biology Ch 10 Class 11

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

62 / 100

Category: Biology Ch 7 Class 12

Process of uncontrolled cell division is due to which one of the following reasons?

NUMS 2018
Biology
Cell Cycle
Elimination Tool:

63 / 100

Category: Biology Ch 7 Class 12

At what phase the DNA content of a cell is doubled?

PMC 2020
Biology
Cell Cycle
Elimination Tool:

64 / 100

Category: Biology

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

NUMS Mock 3
Biology
Biotechnology

65 / 100

Category: Biology Ch 8 Class 12

Haemophilia occurs because of:

PMC 2020
Biology
Variation and Genetics
Elimination Tool:

66 / 100

Category: Biology Ch 14 Class 11

The favourite host cells of the HIV-Virus are:

NUMS 2014
Biology
Transport
Elimination Tool:

67 / 100

Category: Biology Ch 12 Class 11

The leaf is bilobed with midrib between them. The plant is

68 / 100

Category: Biology Ch 13 Class 11

Of the following, which one is better respiratory medium.

69 / 100

Category: Biology Ch 5 Class 12

The process of aging:

NUMS 2015
Biology
Growth and Development
Elimination Tool:

70 / 100

Category: Biology Ch 5 Class 12

Cytoplasmic localization is a consequence of:

NTS 2011
Biology
Growth and Development
Elimination Tool:

71 / 100

Category: Biology Ch 2 Class 12

Pectoral fins are enlarged in:

NUMS 2015
Biology
Support and Movement
Elimination Tool:

72 / 100

Category: Biology Ch 12 Class 11

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

73 / 100

Category: Biology

Q.13  Without enzymes, the biological reaction would proceed at:

74 / 100

Category: Biology

Q3 These animals show radial symmetry.

75 / 100

Category: Biology Ch 12 Class 11

76 / 100

Category: Biology Ch 6 Class 12

The total of all the alleles in a population is called a:

NUMS 2014
Biology
Chromosomes and DNA
Elimination Tool:

77 / 100

Category: Biology

Q.2 Prokaryotic and eukaryotic cells generally have which of the following features in common?

78 / 100

Category: Biology Ch 1 Class 12

The mechanism of regulation, generally between organism and its environment, of solutes and the gain and the loss of water is called

79 / 100

Category: Biology Ch 10 Class 12

Which condition can be explained by Lamarckism?

PMC Sample 1
Biology
Evolution
Elimination Tool:

80 / 100

Category: Biology Ch 4 Class 11

Which of the following is NOT the function of cell membranes?

NTS 2018
Biology
Cell Structure and Function
Elimination Tool:

81 / 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:

82 / 100

Category: Biology

Q.51 The heavy and light chains of an antibody molecule is held together by:

83 / 100

Category: Biology Ch 10 Class 11

Which one of following is a true fish?

NUMS 2014
Biology
Kingdom Animalia
Elimination Tool:

84 / 100

Category: Biology Ch 10 Class 11

Bipinnaria is the larval form of:

NUMS 2014
Biology
Kingdom Animalia
Elimination Tool:

85 / 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:

86 / 100

Category: Biology Ch 8 Class 12

Which statement about dominant and recessive alleles is not correct?

NTS 2016 SMBBMC
Biology
Variation and Genetics
Elimination Tool:

87 / 100

Category: Biology Ch 13 Class 11

Active site of Rubisco is evolved to bind

88 / 100

Category: Biology Ch 2 Class 11

Which statement is true about an aqueous medium:

89 / 100

Category: Biology Ch 10 Class 11

Of the following which one is not found in series proterostomia.

90 / 100

Category: Biology Ch 3 Class 12

The estrogen hormone secretion during the oogenesis is stimulated by:

NUMS 2020
Biology
Coordination and Control
Elimination Tool:

91 / 100

Category: Biology Ch 11 Class 12

Study of relationship of organisms to their environment is

92 / 100

Category: Biology Ch 3 Class 11

Inhibitors which block the enzyme by forming weak bond are called

93 / 100

Category: Biology

Q.57 Which of the following is paired correctly?

94 / 100

Category: Biology Ch 8 Class 12

In birds the male is the homogametic sex. A male bird showing the recessive trait was mated with a female showing the dominant trait of a characteristic governed by a pair of alleles which are sex-linked. What is the probability that the male offspring will show the dominant trait?

NTS 2014
Biology
Variation and Genetics
Elimination Tool:

95 / 100

Category: Biology

Which type of protein structure contains the three dimensional structure?

NUMS Mock 4
Biology
Biological Molecules

96 / 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:

97 / 100

Category: Biology Ch 4 Class 12

In parthenocarpy which levels are high in ovaries

98 / 100

Category: Biology Ch 2 Class 11

Which chemical component has the greatest contribution in the total mammalian cell weight?

99 / 100

Category: Biology Ch 7 Class 11

Cysts are not resistant to ______ but spores are:

NUMS 2020
Biology
Kingdom Protista
Elimination Tool:

100 / 100

Category: Biology Ch 6 Class 11

Gram negative bacteria are stained pink by the use of:

NUMS 2016
Biology
Kingdom Prokaryote
Elimination Tool:

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3 responses to “Biology Practice Test 4”

  1. Thank

  2. Anonymous

    Hi

  3. Anonymous

    ok

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