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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1 / 100

Category: Biology Ch 3 Class 12

The nerve center for sight is located in the

NUMS 2014
Biology
Coordination and Control
Elimination Tool:

A) Thalamus

B) Myopic

C) Both a and b

D) None of these

2 / 100

Category: Biology Ch 9 Class 11

Ferns are included in

Psilopsida

Lycopsida

Sphenopsida

Pteropsida

3 / 100

Category: Biology Ch 13 Class 12

Flow of energy in an ecosystem is:

NUMS 2014
Biology
Man and His Environment
Elimination Tool:

A) Unidirectional

B) Tridirectional

C) Multidirectional

D) Bidirectional

4 / 100

Category: Biology Ch 9 Class 11

The male reproductive parts of the flower are called

UHS 2012
Biology
Kingdom Plantae
Elimination Tool:

A) Gynoecium

B) Calyx

C) Androecium

D) Corolla

5 / 100

Category: Biology Ch 3 Class 11

A reaction will proceed faster if the activation energy is?

PMC Sample 1
Biology
Enzymes
Elimination Tool:

A) High

B) Low

C) Remains the same

D) None of these options is correct

6 / 100

Category: Biology Ch 12 Class 12

Which statement about hydrospheric ecosystem is incorrect?

Salt water ocean and sea are the largest ecosystems on earth

Salt water ecosystem covers about 75% earth surface

Fresh water ecosystem covers less than 1% of earth surface

It temperature is more moderate to support life

7 / 100

Category: Biology Ch 8 Class 12

A pure breeding plant with the dominant phenotype of character P and the recessive phenotype of character Q was crossed with another pure breeding plant with the recessive phenotype of chracter P and the dominant phenotype of Q. The offspring of this cross were crossed with a double homozygous recessive for P and Q and the following results were obtained:

22 were phenotypically dominant for P and recessive for Q
5 were phenotypically dominant for both P and Q
4 were phenotypically recessive for both P and Q
24 were phenotypically recessive for P and dominant for Q
Which one of the following types of Inheritance is illustrated by these results?

Biology
Variation and Genetics
NTS 2013
Elimination Tool:

A) gene linkage of P and Q

B) Independent segregation of P and Q

C) Mendelian dihybrid Inheritance

D) multiple alleles

8 / 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:

A) Enzymes

B) DNA

C) Replication

D) Cell division

9 / 100

Category: Biology

Q.57 Which of the following is paired correctly?

A. Pisces-jellyfish

B. Echinodermata- cuttlefish

C. Mollusca- starfish

D. Arthropoda- silver fish

10 / 100

Category: Biology

Pseudopodia are:

NUMS Mock 1
Biology
Support and Movement

A) False feet developed in some unicellular organisms

B) Small hairlike structures present on the unicellular organisms

C) Long, tube like structures coming out of the mouth

D) Suckers which are attached to the walls of intestines

11 / 100

Category: Biology Ch 6 Class 12

In DNA A.

A forms two bonds with T

G forms three bonds with C

A forms three bonds with T

Both a and b

12 / 100

Category: Biology Ch 12 Class 12

In which zone plant community is most diverse

Limnetic zone

Littoral zon

Profundal zone

All of these

13 / 100

Category: Biology Ch 4 Class 11

What is the role of cholesterol in the cell membrane?

NUMS 2020
Biology
Cell Structure and Function
Elimination Tool:

A) it functions in joining adjacent cells together.

B) It functions in recognizing foreign cells.

C) It increases the rate of transport of ions across the membrane.

D) It stabilizes the cell membrane.

14 / 100

Category: Biology Ch 5 Class 12

Meristems are group of cells that

Allow the surrounding region to divide

Provide nutrition

. Help in movement

Retain the potential to divide

15 / 100

Category: Biology Ch 6 Class 12

The sequence of nucleotides that determines the amino acid sequence of a protein is

Chromosome

DNA

RNA

Gene

16 / 100

Category: Biology Ch 6 Class 11

Select a method which causes the oxidation of chemical constituent of a bacterial cell:

PMC 2020
Biology
Kingdom Prokaryote
Elimination Tool:

A) Steam

B) Dry heat

C) Filtration

D) Radiation

17 / 100

Category: Biology Ch 5 Class 11

Second major form of hepatitis is:

NUMS 2015
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) Hepatitis A

B) Hepatitis B

C) Hepatitis C

D) Hepatitis D

18 / 100

Category: Biology Ch 5 Class 11

Bacteriophages, or phages are also known as:

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

A) Bacteria facilitator

B) Bacteria eater

C) Animal viruses

D) Plant viruse

19 / 100

Category: Biology Ch 5 Class 12

Turner’s syndrome is characterized by having:

UHS 2015
Biology
Growth and Development
Elimination Tool:

A) Trisomy 21

B) 44 + XXY

C) Trisomy

D) 44 + XO

20 / 100

Category: Biology Ch 1 Class 11

In animals coordination is achieved by means of

Respiratory system

Nervous system

Endocrine system

Both b and c

21 / 100

Category: Biology

Booklungs serve the function of respiration in:

NUMS Mock 3
Biology
Gaseous Exchange

A) Scorpion

B) Earthworm

C) Frog

D) Cockroaches

22 / 100

Category: Biology Ch 9 Class 12

The process of replacing or supplementing the defective allele with a functional, normal allele is known as ______.

NTS 2012
Biology
Biotechnology
Elimination Tool:

A) Allele transplant

B) Physiotherapy

C) Gene therapy

D) Mutation

23 / 100

Category: Biology Ch 4 Class 11

Autophagosomes are

Those lysosomes which eat parts of their own cells to generate energy.

Those lysosomes which eat old and worn out cellular organelles.

Lysosomes which help in extracellular digestion

Both a and b

24 / 100

Category: Biology

This theory says that “mitochondria and chloroplasts are, in effect, ancient bacteria which now live inside the larger cells”:

NUMS Mock 2
Biology
Evolution

A) Darwin’s theory of evolution

B) Lamarckism

C) Neo – darwinism

D) Endosymbiont theory

25 / 100

Category: Biology Ch 5 Class 11

Closely related species are grouped together into ______ .

NTS 2012
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) families

B) orders

C) phyla

E) genus

26 / 100

Category: Biology Ch 10 Class 12

Important point/s of Lamarck’s theory

Use and disuse of organs

Inheritance of acquired characters

Natural selection

Both a and b

27 / 100

Category: Biology Ch 6 Class 11

A bacterium with tuft of flagella at both poles is called

Lophotrichus

Monotrichous

Peritrichous

Amphitrichous

28 / 100

Category: Biology Ch 8 Class 12

What is the risk of color blind baby boy in a family when mother is color blind but father is normal?

NUMS 2019 Cancelled
Biology
Variation and Genetics
Elimination Tool:

A) 25%

B) 50%

C) 75%

D) 100%

29 / 100

Category: Biology Ch 11 Class 11

NAD is an example of ______:

NUMS 2020
Biology
Bioenergetics
Elimination Tool:

A) Mononucleotide

B) Dinucleotide

C) Tri nucleotide

D) Tetra nucleotide

30 / 100

Category: Biology Ch 4 Class 12

Follicle – stimulating hormone, which is produced by the pituitary gland, stimulates the ovaries to produce:

NUMS 2019 Cancelled
Biology
Reproduction
Elimination Tool:

A) Estrogen

B) Estrogen and progesterone

C) Progesterone

D) Oxytocin

31 / 100

Category: Biology Ch 10 Class 11

Pinacocytes forms ______.

NUMS 2018
Biology
Kingdom Animalia
Elimination Tool:

A) Pores

B) Ostia

C) Epidermis

D) Spongocoel

32 / 100

Category: Biology Ch 11 Class 11

During cellular respiration NADH2 produces:

NUMS 2014
Biology
Bioenergetics
Elimination Tool:

A) 2 ATP

B) 3 ATP

C) 4 ATP

D) 5 ATP

33 / 100

Category: Biology Ch 3 Class 11

Which of the following statements about enzymes is false?

PMC Sample 1
Biology
Enzymes
Elimination Tool:

A) The Keq of a reaction remains unchanged in the presence of an enzyme

B) Enzymes speed up the rate of reaction in DNA synthesis

C) Harsh, acidic conditions can completely denature an enzyme

D) An enzyme is completely converted to product during metabolism

34 / 100

Category: Biology Ch 9 Class 12

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

UHS 2015
Biology
Biotechnology
Elimination Tool:

A) CaCl2

B) NaCl

C) KCl

D) NaOH

35 / 100

Category: Biology Ch 2 Class 12

In an annelids, the contraction of circular muscle results in:

Lengthening of the body.

Shortening of the body.

Widening of body

Thinning of body

36 / 100

Category: Biology Ch 6 Class 11

Germ theory was presented by:

NUMS 2016
Biology
Kingdom Prokaryote
Elimination Tool:

A) Robert Koch

B) Antonie van Leeuwenhoek

C) Robert Hooke

D) Robert Brown

37 / 100

Category: Biology Ch 1 Class 12

Which of the following substances helps to concentrate urine?

NUMS 2020
Biology
Homeostasis
Elimination Tool:

A) Aldosterone

B) ADH

C) Glucosterone

D) Thyroxin

38 / 100

Category: Biology Ch 11 Class 12

Secondary succession starts from A.

A bar rock sand

Clear glacial pool

From remains of previous ecosystem

Fire

39 / 100

Category: Biology Ch 1 Class 12

Right kidney is slightly lower than left kidney due to:

NUMS 2018
Biology
Homeostasis
Elimination Tool:

A) Heart

B) Liver

D) Lungs

C) Pancreas

40 / 100

Category: Biology

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

NUMS Mock 3
Biology
Cell Structure and Function

A) 100 S

B) 90 S

C) 80 S

D) 70 S

41 / 100

Category: Biology Ch 10 Class 12

The following observations refer to evolution:

Inherited variations which are favored in a particular environment are passed on
There is a struggle for existence
Across time, inherited variations may accumulate causing gradual changes in the organism
Although populations tend to overproduce, they remain more or less constant in numbers from generation to generation
In what sequence should the statement be placed to support the Darwin theory of evolution?

NTS 2015 DUHS and JSMU
Biology
Evolution
Elimination Tool:

A) I, II, III, IV

B) II, I, III, IV

C) III, I, IV, II

E) IV, II, I, III

42 / 100

Category: Biology Ch 10 Class 12

Evolutionary relationships amongst species are reflected in their:

NUMS 2016
Biology
Evolution
Elimination Tool:

A) DNA and proteins

B) RNA and proteins

C) DNA and genes

D) DNA and RNA

43 / 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:

A) Cell wall

B) Slime

C) Capsule

D) Cell membrane

44 / 100

Category: Biology

Q.8 How many carbon atoms contribute to form glucopyranose?

45 / 100

Category: Biology Ch 6 Class 12

Central dogma is

Transfer of information from DNA to mRNA

Basic mechanism of reading and expressing genes

Transfer of information from RNA to proteins

Synthesis of all three types of RNA

46 / 100

Category: Biology

Q.24 Pepsinogen is produce by:

A. Mucous cells

B. Zymogen cells

C. Parietal cells

D. None of these

47 / 100

Category: Biology Ch 10 Class 12

Choose the correct combination:

NUMS 2019 Cancelled
Biology
Evolution
Elimination Tool:

A) Darwin – survival of the fittest

B) Darwin – no extinction

C) Lamarck – acquired transmission

D) Both Darwin – survival of the fittest and Lamark – acquired transmission

48 / 100

Category: Biology

Q.1 In all plants the major sites of photosynthesis are?

A. Leaf

B.Stems

C. Roots

D. Branches

49 / 100

Category: Biology

Q.52 The patellar reflex and the Achilles reflex are examples of:

A. Monosynaptic reflex

B. Polysynaptic reflex

C. Hemi Synaptic reflex

D. Both A and B

50 / 100

Category: Biology Ch 11 Class 11

Aerobic respiration results in how much ATP?

NUMS 2016
Biology
Bioenergetics
Elimination Tool:

A) 2

B) 36

C) 18

D) 32

51 / 100

Category: Biology Ch 3 Class 12

Which of the following is used in brewing industry to promote malting:

Gibberellins

Cytokinins

Auxins

Abscisic Acid

52 / 100

Category: Biology Ch 7 Class 12

In meiosis II, ______ differentiate into sperms.

NUMS 2019 Reconduct
Biology
Cell Cycle
Elimination Tool:

A) Spermatocytes

B) Spermatids

C) Sertoli cells

D) Polar bodies

53 / 100

Category: Biology Ch 7 Class 12

During cell division, the spindle fibres get attached to condensing chromosome at a highly differentiated region. This region is called as:

NTS 2019
Biology
Cell Cycle
Elimination Tool:

A) Chromosome

B) Chromocentre

C) Centriole

D) Kinetochore

54 / 100

Category: Biology Ch 2 Class 12

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

Epicuticle

Procuticle

Ectocuticle

None of these

55 / 100

Category: Biology Ch 1 Class 11

Group of living organisms of the same species living in the same place at the same time is called

Community

Ecosystem

Biome

56 / 100

Category: Biology

The hormone which controls the uptake of Sodium ions in kidney and its maintenance in blood plasma is:

NUMS Mock 2
Biology
Coordination and Control

A) Somatotrophic Hormone

B) Aldosterone Hormone

C) Gonadotrophic Hormone

D) Thyroxine Hormone

57 / 100

Category: Biology

Q.32 Lymphocytes are found in:

A. Lymph capillary

B. Lymph vessel

C. Lymph trunk

D. lymph node

58 / 100

Category: Biology Ch 3 Class 12

Normal action potential of a neuronal cell is :

plus 50 mv

plus 60 mv

plus 70 mv

plus 80 mv

59 / 100

Category: Biology Ch 5 Class 11

The size of poxvirus is:

20 nm

200 nm

250 nm

300 nm

60 / 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:

A) Diplococcus

B) Tetrad

C) Peritrichous

D) Munotrichous

61 / 100

Category: Biology Ch 12 Class 11

Of the following, which one is missing in herbivores?

Premolars

Canines

Incisors

Molars

62 / 100

Category: Biology Ch 9 Class 12

A genomic library is a collection of

Bacterial clones

Bacteriophage clones

Viral clones

Both a and b

63 / 100

Category: Biology Ch 9 Class 11

In plants chlorosis is caused by the deficiency of:

PMC Sample 3
Biology
Kingdom Plantae
Elimination Tool:

A) chlorophyll

B) magnesium

C) nitrogen

D) all of above

64 / 100

Category: Biology Ch 13 Class 12

Endangered species are

Dangerous for the life of humans

Reduced in number

Already extinct

All of these

65 / 100

Category: Biology

Erythroblastosis foetalis occurs when:

NUMS Mock 2
Biology
Variation and Genetics

A) Mother is Rh-positive and baby is Rh-negative

B) Mother is Rh-negative and the baby is Rh-positive

C) Both mother and baby are Rh-negative

D) Both mother and baby are Rh-positive

66 / 100

Category: Biology Ch 4 Class 11

Tissue is a

PMC 2020
Biology
Cell Structure and Function
Elimination Tool:

A) group of cells

B) group of organs

C) group of tissues

D) group of organisms

67 / 100

Category: Biology Ch 5 Class 11

Viral disease that is widely spread and caused by enveloped RNA virus is:

NUMS 2015
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) AIDS

B) Hepatitis

C) Measles

D) Influenza

68 / 100

Category: Biology Ch 11 Class 11

1 NADH in respiratory chain produces:

NUMS 2015
Biology
Bioenergetics
Elimination Tool:

A) 1 ATP

B) 2 ATP

C) 3 ATP

D) 4 ATP

69 / 100

Category: Biology Ch 12 Class 11

In fatty liver the fat contents are:

NUMS 2014
Biology
Nutrition
Elimination Tool:

A) 1 to 2%

B) 4 to 5 %

C) 30 to 40%

D) 10 to 15%

70 / 100

Category: Biology Ch 13 Class 12

Greenhouse gases are those that:

NUMS 2015
Biology
Man and His Environment
Elimination Tool:

A) Prevent entry of ultraviolet rays

B) Prevent rainfall

C) Prevent heat to escape

D) All given options are correct

71 / 100

Category: Biology Ch 10 Class 12

Most fossils are found in the

Metamorphic rocks

Soil

Sedimentary rocks

Volcanic mountains

72 / 100

Category: Biology Ch 9 Class 12

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

Primer

Probe

Genome

Both a & b

73 / 100

Category: Biology Ch 2 Class 12

The significant flight muscle in birds is the:

NUMS 2014
Biology
Support and Movement
Elimination Tool:

A) Pectoral

B) Tensor

C) Appendicular

D) All of these

74 / 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:

A) Cardiac

B) Smooth

C) Skeletal

D) Hard

75 / 100

Category: Biology Ch 14 Class 11

Highest blood pressure is found in:

NUMS 2015
Biology
Transport
Elimination Tool:

A) Arteries

B) Veins

D) None of the given options

C) Capillaries

76 / 100

Category: Biology Ch 7 Class 11

All of the following organisms belong to the kingdom protista EXCEPT:

NTS 2012
Biology
Kingdom Protista
Elimination Tool:

A) Ulva

B) Euglena

C) Slime Mold

D) Common Mold

77 / 100

Category: Biology

Q.3 Which statement about cell membrane is incorrect?

A. Proteins are embedded in lipid bilayer

B. Cholesterol molecules are present in hydrophobic core

C. Central core is hydrophobic

D. Carbohydrates are present on both inner and outer face of the membrane

78 / 100

Category: Biology Ch 8 Class 12

If the seed is heterozygous yellow (Yy). In a test cross, what will be the probability of appearance of seed colors?

NUMS 2019 Reconduct
Biology
Variation and Genetics
Elimination Tool:

A) 0 % yellow, 100 % green

B) 25 % yellow, 75 % green

C) 50 % yellow, 50 % green

D) 75 % yellow, 25 % green

79 / 100

Category: Biology

According to the theory of natural selection, organisms produce:

NUMS Mock 2
Biology
Evolution

A) Offspring according to the resources available

B) Offspring to create resources

C) To create resources

D) More offspring than supported

80 / 100

Category: Biology Ch 14 Class 11

The massive accumulation of blood with is a tissue is called as:

NTS 2011
Biology
Transport
Elimination Tool:

A) Haemorrhage

C) Hepatoma

B) Haematoma

D) Haemocoel

81 / 100

Category: Biology Ch 8 Class 12

A pea plant with yellow seed was crossed to a plant having green seeds. What will happen in F1; if plants are true breeding

All seeds will be yellow

Half of seeds will be yellow

All the seeds will be green

Both will be present in ratio of 1:2:1

82 / 100

Category: Biology

What is the effect of enzyme DNA ligase?

NUMS Mock 2
Biology
Chromosomes and DNA

A) DNA is broken up at specific sites

B) DNA fragments are joined together

C) DNA replication occurs

D) DNA transcription occurs

83 / 100

Category: Biology Ch 13 Class 11

The infection of lungs is called:

PMC Practice 1
Biology
Gaseous Exchange
Elimination Tool:

A) Emphysema

B) Asthma

C) Pneumonia

D) Bronchitis

84 / 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:

A) RBCs

B) WBCs

C) Platelets

D) stem cells

85 / 100

Category: Biology Ch 9 Class 11

Plants of this group are called ferns:

NUMS 2017
Biology
Kingdom Plantae
Elimination Tool:

A) Filicinae

B) Angiospermae

C) Gymnospermae

D) All of them

86 / 100

Category: Biology Ch 1 Class 12

Which of the following statement about Homeostasis is incorrect

There is a definite control system that regulates the homeostatic activities

Homeostatic mechanisms keep the internal environment fixed despite of wide changes in external environment

Because of this the fluctuations of internal environment are of extremely narrow range as compared to that of external environment

All are correct

87 / 100

Category: Biology Ch 14 Class 11

Antibodies are actually:

NUMS 2016
Biology
Transport
Elimination Tool:

A) Globular proteins

B) Glycoproteins

C) Fibrous proteins

D) Glycolipids

88 / 100

Category: Biology

The light dependent reaction of photosynthesis occurs in:

NUMS Mock 2
Biology
Bioenergetics

A) Stroma of chloroplast

B) Guard cells of stomata

C) Thylakoid membrane of chloroplast

D) Cytoplasm of leaf cell

89 / 100

Category: Biology

Which type of protein structure contains the three dimensional structure?

NUMS Mock 4
Biology
Biological Molecules

A) Primary

B) Secondary

C) Tertiary

D) Quaternary

90 / 100

Category: Biology Ch 5 Class 11

Viruses resemble living things because they:

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

A) Circulate

B) Move

C) Reproduce

D) Are crystalline

91 / 100

Category: Biology Ch 12 Class 11

Dietary fiber passes through to several structures after leaving the stomach. In which order does the dietary fiber pass through the structures?

NTS 2015 DUHS and JSMU
Biology
Nutrition
Elimination Tool:

A) Duodenum -> jejunum -> ileum -> rectum -> colon

B) ileum -> duodenum -> colon -> jejunum -> rectum

C) ileum -> duodenum -> jejunum -> rectum -> colon

E) duodenum -> jejunum -> ileum -> colon -> rectum

92 / 100

Category: Biology Ch 5 Class 12

Lateral meristems are present in

All plants

Gymnosperms and dicots

Monocots

In aquatic plants

93 / 100

Category: Biology

Q.31 Due to short distance between lungs and heart, walls of right ventricle are:

A. Thicker than left ventricle

B. Thicker than right atrium

C. Thinner than right atrium

D. Thinner than left ventricle

94 / 100

Category: Biology

The branch of science dealing with the fossil record is called:

NUMS Mock 2
Biology
Biology and its Major Fields of Specialization

A) Genetics

B) Taxonomy

C) Archeology

D) Palentology

95 / 100

Category: Biology

While working in a laboratory, before studying a sample under the microscope, it was immersed in a dye solution to obtain ______.

NUMS Mock 1
Biology
Biology and its Major Fields of Specialization

A) Magnification

B) Image

C) Match

D) Contrast

96 / 100

Category: Biology Ch 11 Class 11

RuBP + O2 —Rubisco—> PGA + _______

NTS 2016 DUHS & JSMU
Biology
Bioenergetics
Elimination Tool:

A) Phosphoglycerate

B) Phosphoglycolate

C) Glycerate

D) Glycolate

97 / 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:

A) Carbon dioxide

B) Oxygen

C) Dust

D) Carbon Monoxide

98 / 100

Category: Biology

The RNA found in Ribosomes is:

NUMS Mock 1
Biology
Chromosomes and DNA

A) mRNA

B) rRNA

C) tRNA

D) Polysome

99 / 100

Category: Biology Ch 10 Class 11

All of the following are mammals EXCEPT the:

NTS 2017
Biology
Kingdom Animalia
Elimination Tool:

A) Porpoise

B) Shark

C) Whale

D) Walrus

100 / 100

Category: Biology

Q40 How is pyruvate produced in anaerobic conditions?

A. Alcoholic fermentation

B. Lactic acid fermentation

C. Respiration

D. Both A and B

Your score is

The average score is 61%

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.

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