Biology Practice Test 5

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 5

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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:

2 / 100

Category: Biology Ch 13 Class 11

In which of the following are book lungs found?

NUMS 2014
Biology
Gaseous Exchange
Elimination Tool:

3 / 100

Category: Biology

Steroids consist of _____ 6 membered carbon rings and one 5 membered carbon ring.

NUMS Mock 4
Biology
Biological Molecules

4 / 100

Category: Biology Ch 8 Class 12

The gene which controls ABO group has how many alleles in an individual

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 7 Class 12

Failure of separation of sister chromatids is called:

NUMS 2020
Biology
Cell Cycle
Elimination Tool:

7 / 100

Category: Biology Ch 10 Class 11

The animals in which coelom is formed due to splitting of mesocerm are known as

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Category: Biology

Q.30 The structure of which bacteriophages resembles a tadpole?

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Category: Biology

_______ is involved in lipid synthesis/metabolism.

NUMS Mock 4
Biology
Cell Structure and Function

10 / 100

Category: Biology Ch 5 Class 12

In sexual reproduction, plants have diplohaplontic life cycle with alternating

11 / 100

Category: Biology Ch 8 Class 12

A man with blood group “A” marries a woman of blood group “B”. Both are heterozygous. What is the off-springs having phenotype “O”

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Category: Biology Ch 13 Class 12

In air % of oxygen and carbon dioxide is

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Category: Biology Ch 13 Class 11

The blood enters the _____ side of heart

14 / 100

Category: Biology Ch 11 Class 11

The inner membrane of mitochondrion has many infoldings into the inner chamber, these folding are called as:

NUMS 2019 Reconduct
Biology
Bioenergetics
Elimination Tool:

15 / 100

Category: Biology Ch 2 Class 11

Which chemical component has the same % in bacterial as well as the mammalian cell?

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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

17 / 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?

18 / 100

Category: Biology

Which of the following nutrients is incorrectly paired with its function in a plant?

NUMS Mock 3
Biology
Nutrition

19 / 100

Category: Biology Ch 9 Class 11

The first cell of the sporophyte generation is

20 / 100

Category: Biology

The sympathetic nervous system causes which of the following?

NUMS Mock 2
Biology
Coordination and Control

21 / 100

Category: Biology Ch 8 Class 12

A continuously varying trait is encoded by alleles of two or more different genes located at different loci, all influencing the same trait in an additive way is known as ________.

NUMS 2019 Cancelled
Biology
Variation and Genetics
Elimination Tool:

22 / 100

Category: Biology

Which of the following will not undergo aldol condensation?

NUMS Mock 2
Chemistry
Aldehydes and Ketones

23 / 100

Category: Biology Ch 3 Class 12

Gibberellins may be substituted for _____ light, therefore promote flowering in long day plants.

24 / 100

Category: Biology Ch 3 Class 11

The cofactor usually acts as “bridge” between:

NUMS 2018
Biology
Enzymes
Elimination Tool:

25 / 100

Category: Biology Ch 10 Class 11

Sea horse is included in:

NUMS 2014
Biology
Kingdom Animalia
Elimination Tool:

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Category: Biology Ch 8 Class 12

A pea plant has purple colored flowers (dominant trait). To check the genotype, which of the following cross is performed

NUMS 2018
Biology
Variation and Genetics
Elimination Tool:

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Category: Biology Ch 5 Class 12

Plasticity of cell wall increases during

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Category: Biology Ch 6 Class 11

In which phase of bacterial growth, does divison at an exponential rate occur?

NUMS 2020
Biology
Kingdom Prokaryote
Elimination Tool:

29 / 100

Category: Biology Ch 8 Class 11

Root like structure in saprotrophic fungi are called

30 / 100

Category: Biology Ch 4 Class 11

The smaller (40S) of ribosome combines with larger subunit (60S) in the presence of Mg2+ ion to form _____ particle.

NUMS 2015
Biology
Cell Structure and Function
Elimination Tool:

31 / 100

Category: Biology Ch 13 Class 11

Four plants are present in different environmental conditions. Plant A is present in a warm climate with continuous rainfall, plant B is present in a cool forest, plant C is present in a warm climate with little breeze, while plant D is present in a warm climate with high wind speed. Which one of the above plants will have the highest rate of transpiration?

UHS 2019
Biology
Gaseous Exchange
Elimination Tool:

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Category: Biology Ch 3 Class 12

The region where the impulse moves from one neuron to another is called ______.

NTS 2012
Biology
Coordination and Control
Elimination Tool:

33 / 100

Category: Biology Ch 5 Class 11

The long chains of HIV-proteins are cut down by proteases enzyme of ______.

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

34 / 100

Category: Biology Ch 13 Class 11

Oxygen, released into the atmosphere, comes from:

NUMS 2020
Biology
Gaseous Exchange
Elimination Tool:

35 / 100

Category: Biology Ch 6 Class 12

The diploid human chromosome set has:

NTS 2016 SMBBMC
Biology
Chromosomes and DNA
Elimination Tool:

36 / 100

Category: Biology Ch 4 Class 12

Which statement is incorrect?

37 / 100

Category: Biology Ch 1 Class 12

Terrestrial animals like kangaroo rat survive even without drinking water since

38 / 100

Category: Biology Ch 13 Class 11

Functional units of lungs are called

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Category: Biology

What type of virus is the smallpox virus?

NUMS Mock 1
Biology
Bio-diversity | Variety of Life

40 / 100

Category: Biology

Q.11 Which of the following statement regarding lecithin is correct?

41 / 100

Category: Biology Ch 4 Class 11

Lysosomes are also called:

NTS 2012
Biology
Cell Structure and Function
Elimination Tool:

42 / 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:

43 / 100

Category: Biology

Q.39 Which of the following genetic diseases is caused by mutations in a membrane protein?

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Category: Biology Ch 5 Class 12

The only promoter of leaf senescence in the following plant hormones is?

PMC Sample 3
Biology
Growth and Development
Elimination Tool:

45 / 100

Category: Biology

Q.25  The substrate of the trypsin is:

46 / 100

Category: Biology Ch 6 Class 12

Which is incorrect?

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Category: Biology

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

NUMS Mock 3
Biology
Coordination and Control

48 / 100

Category: Biology Ch 7 Class 12

Chance of a cross over between two loci is directly proportional to their

UHS 2018
Biology
Cell Cycle
Elimination Tool:

49 / 100

Category: Biology Ch 11 Class 12

Plants growing in xeric conditions are called

50 / 100

Category: Biology Ch 7 Class 12

Gametes are produced by:

PMC 2021 Tested
Biology
Cell Cycle
Elimination Tool:

51 / 100

Category: Biology Ch 8 Class 12

How many pairs of homologous chromosomes are present in Pisum sativum

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Category: Biology Ch 2 Class 11

Glucose and fructose join together through _____ to form sucrose.

NUMS 2019 Reconduct
Biology
Biological Molecules
Elimination Tool:

53 / 100

Category: Biology Ch 2 Class 11

Mono-saccharides have a general formula represented by:

PMC 2020
Biology
Biological Molecules
Elimination Tool:

54 / 100

Category: Biology Ch 3 Class 11

An enzyme increases the speed of a reaction:

NTS 2012
Biology
Enzymes
Elimination Tool:

55 / 100

Category: Biology Ch 4 Class 12

Which of the following is found beneath the prostate gland?

PMC Sample 1
Biology
Reproduction
Elimination Tool:

56 / 100

Category: Biology Ch 10 Class 12

There existed two varieties of female freshwater Mollusks in which some were streamlined and some had a high bulge. Over the generations, male freshwater Mollusks learned that high bulge favors more production of offspring. So they started preferring to mate with females having high bulge as compared to streamlined. Will this affect Hardy Weinberg Equilibrium in the population?

NTS 2019
Biology
Evolution
Elimination Tool:

57 / 100

Category: Biology Ch 1 Class 12

Reabsorption of calcium is triggered by:

NUMS 2019 Reconduct
Biology
Homeostasis
Elimination Tool:

58 / 100

Category: Biology Ch 10 Class 11

Archaeopteryx is a connecting link between:

NUMS 2014
Biology
Kingdom Animalia
Elimination Tool:

59 / 100

Category: Biology Ch 6 Class 11

A type of bacterial cell that is completely surrounded by flagella is called:

PMC Practice 5
Biology
Kingdom Prokaryote
Elimination Tool:

60 / 100

Category: Biology Ch 3 Class 11

The effect of competitive inhibitor on enzyme activity is such that it affects which of the following?

PMC Sample 2
Biology
Enzymes
Elimination Tool:

61 / 100

Category: Biology Ch 12 Class 11

Which type of mucosa cells secrete pepsinogen?

NUMS 2014
Biology
Nutrition
Elimination Tool:

62 / 100

Category: Biology Ch 14 Class 11

The lymph vessels empty in:

NUMS 2015
Biology
Transport
Elimination Tool:

63 / 100

Category: Biology Ch 2 Class 12

Which of the following animal has a hydrostatic skeleton:

64 / 100

Category: Biology

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

65 / 100

Category: Biology Ch 3 Class 11

In which of the following location enzymes controlling cellular respiration are present?

66 / 100

Category: Biology Ch 7 Class 12

In gametogenesis, which resultant product is non-functional?

NTS 2019
Biology
Cell Cycle
Elimination Tool:

67 / 100

Category: Biology Ch 4 Class 12

A pollen tube serves to:

NTS 2015 SMBBMC
Biology
Reproduction
Elimination Tool:

68 / 100

Category: Biology Ch 4 Class 12

Viviparous animals are those in which

69 / 100

Category: Biology

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

NUMS Mock 1
Biology
Transport

70 / 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:

71 / 100

Category: Biology Ch 7 Class 11

Plasmodium belongs to

72 / 100

Category: Biology Ch 11 Class 11

Where do the light – dependent reactions of photosynthesis occur?

NTS 2016 SMBBMC
Biology
Bioenergetics
Elimination Tool:

73 / 100

Category: Biology Ch 10 Class 12

Many scientists believe that one of the following is evolutionary origin(s) of animals, plants and fungi?

NTS 2013
Biology
Evolution
Elimination Tool:

74 / 100

Category: Biology Ch 3 Class 11

If we add more substrate to an already occurring enzymatic reaction and it has no affect on the rate of reaction, the process is called?

PMC Practice 2
Biology
Enzymes
Elimination Tool:

75 / 100

Category: Biology Ch 9 Class 12

A single stranded nucleotide sequence that will hybridize into a certain piece of DNA is

76 / 100

Category: Biology Ch 5 Class 11

Organisms of which of the following kingdom have absorptive mode of nutrition:

77 / 100

Category: Biology Ch 2 Class 12

Joints found at the vertebrates are:

NTS 2014
Biology
Support and Movement
Elimination Tool:

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

The Porifera are pore – bearing animals, commonly called:

NUMS Mock 3
Biology
Kingdom Animalia

80 / 100

Category: Biology Ch 7 Class 12

If a person has 44 autosomes + XXY, he will suffer from

UHS 2012
Biology
Cell Cycle
Elimination Tool:

81 / 100

Category: Biology Ch 13 Class 11

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

NUMS 2015
Biology
Gaseous Exchange
Elimination Tool:

82 / 100

Category: Biology Ch 11 Class 11

During cellular respiration NADH2 produces:

NUMS 2014
Biology
Bioenergetics
Elimination Tool:

83 / 100

Category: Biology Ch 1 Class 12

Higher turgor pressure in a plant cell is maintained by:

84 / 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:

85 / 100

Category: Biology Ch 5 Class 11

The viruses are:

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

86 / 100

Category: Biology Ch 11 Class 11

Glucose → 2 pyruvic acid + 2H2O

2ADP + 2Pi → 2 ATP

2NAD + 4H → 2NADH + 2H+

These three reactions collectively constitute ______.

NTS 2012
Biology
Bioenergetics
Elimination Tool:

87 / 100

Category: Biology Ch 5 Class 11

The complete, mature and infection virus particle is known as:

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

88 / 100

Category: Biology Ch 11 Class 11

Which of the light is mainly absorbed by the plants:

89 / 100

Category: Biology Ch 10 Class 12

Analogous organs show:

NUMS 2020
Biology
Evolution
Elimination Tool:

90 / 100

Category: Biology Ch 2 Class 11

Specific heat of vaporization of water is:

91 / 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:

92 / 100

Category: Biology

Q.6 Outbreeding increases which of the following?

93 / 100

Category: Biology Ch 9 Class 11

Which of the following statement about alternation of generation in bryophytes is incorrect?

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Category: Biology

Q.45 Muscle fatigue is characterized by all except:

95 / 100

Category: Biology Ch 5 Class 11

Viruses resemble living things because they:

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

96 / 100

Category: Biology

Q.49 In reproduction, semen refers to which of the following?

97 / 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:

98 / 100

Category: Biology

Q3 Assymetrical body is a feature of phylum

99 / 100

Category: Biology Ch 3 Class 12

Which of the following is not secreted by thyroid gland?

NTS 2015 SMBBMC
Biology
Coordination and Control
Elimination Tool:

100 / 100

Category: Biology

Q40 How is pyruvate produced in anaerobic conditions?

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