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 10 Class 11

Which of the following phyla of Kingdom Animalia do humans belong to?

NTS 2018
Biology
Kingdom Animalia
Elimination Tool:

A) Mollusca

B) Arthropoda

C) Echinodermata

D) Chordata

2 / 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?

Rusts

Mushrooms

Molds

Yeasts

3 / 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:

A) LH hormone

B) Inhibition hormone

C) FSH hormone

D) Testosterone hormone

4 / 100

Category: Biology Ch 4 Class 12

In which organism males are haploid?

PMC Sample 1
Biology
Reproduction
Elimination Tool:

A) Aphids

B) mosquito

C) butterfly

D) honey bee

5 / 100

Category: Biology Ch 12 Class 11

Milk drinking babies have an additional enzyme called:

NUMS 2016
Biology
Nutrition
Elimination Tool:

A) Rennin

B) Amylase

C) Lipase

D) None of these options are correct

6 / 100

Category: Biology Ch 1 Class 12

Which organ is called the body thermostat?

NUMS 2020
Biology
Homeostasis
Elimination Tool:

A) Pituitary gland

B) Kidneys

C) Hypothalamus

D) Adrenal gland

7 / 100

Category: Biology Ch 10 Class 11

Which group of organisms has the following features?

I. three pairs of jointed legs

II. three-part segmented body

III. one pair of antennae

NTS 2017
Biology
Kingdom Animalia
Elimination Tool:

A) arachnids

B) crustaceans

C) Insects

D) myriapods

8 / 100

Category: Biology Ch 3 Class 11

Enzymes binds with chemical reactant which is known as?

PMC Sample 3
Biology
Enzymes
Elimination Tool:

A) product

C) substrate

B) reactant

D) all of these

9 / 100

Category: Biology Ch 8 Class 12

If we cross round yellow seeded plant with green wrinkled seeded plants, what will be phenotypic ratio at F2 generation?

NUMS 2019 Cancelled
Biology
Variation and Genetics
Elimination Tool:

A) 9:3:3:1

B) 9:4:3:2

C) 3:9:3:1

D) 8:3:3:2

10 / 100

Category: Biology Ch 4 Class 12

Fallopian tube in humans is important for:

NUMS 2018
Biology
Reproduction
Elimination Tool:

A) Ovulation

B) Primary oocyte

D) Ova

C) Secondary oocyte

11 / 100

Category: Biology

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

NUMS Mock 4
Biology
Chromosomes and DNA

A) TACGGATCCTG

B) UAGCGAUCCUG

C) AUGCCUAGGAC

D) UACCGAUCCUG

12 / 100

Category: Biology

Q.13 Cellulose is the major component of?

A. Primary wall

B. Secondary wall

C. Middle lamella

D. All of these

13 / 100

Category: Biology Ch 10 Class 12

Change in frequency of alleles that occurs by chance Is called as:

UHS 2019
Biology
Evolution
Elimination Tool:

A) Genetic drift

B) Mutation

C) Migration

D) Natural selection

14 / 100

Category: Biology

What type of virus is the smallpox virus?

NUMS Mock 1
Biology
Bio-diversity | Variety of Life

A) DNA enveloped virus

B) RNA enveloped virus

C) DNA virus

D) RNA naked virus

15 / 100

Category: Biology

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

NUMS Mock 4
Biology
Cell Structure and Function

A) Chloroplasts

B) Chromoplasts

C) Leucoplasts

D) All of these options are correct

16 / 100

Category: Biology Ch 5 Class 12

The egg of a chick is laid at which of the following stages?

NTS 2015 DUHS and JSMU
Biology
Growth and Development
Elimination Tool:

A) Gastrula

B) blastula

C) cleavage

D) morula

17 / 100

Category: Biology Ch 10 Class 11

Bipinnaria is the larval form of:

NUMS 2014
Biology
Kingdom Animalia
Elimination Tool:

A) Coelenterate

B) Potychaeta

C) Echinodermata

D) Cestoda

18 / 100

Category: Biology Ch 14 Class 11

Antibodies are manufactured in:

PMC 2020
Biology
Transport
Elimination Tool:

A) T Lymphocytes

B) Red Blood Cells

C) Platelets

D) B Lymphocytes

19 / 100

Category: Biology Ch 6 Class 11

Vibrio cholera is an example of ______ type of bacteria.

NUMS 2017
Biology
Kingdom Prokaryote
Elimination Tool:

A) Cocci

B) Bacilli

C) Spirilla

D) Commas

20 / 100

Category: Biology Ch 1 Class 11

Oxygen accounts for ____ % of totals human body mass:

65%

18%

10%

21 / 100

Category: Biology Ch 13 Class 12

A lullaby is a song. No song is prose. Some proses are epics.

Conclusions:

I. Some proses are songs.

II. Some epics are lullabies.

III. Some songs are lullabies.

Which of the following is most appropriate in the above case?

a) Only II

b) Only III

c) I, II, and III are inappropriate

none

22 / 100

Category: Biology Ch 6 Class 12

In alkaptonuria

Patient's urine contains homogenetisic acid

Urine becomes black

Both a and b

Urine contains phenylalanine

23 / 100

Category: Biology Ch 6 Class 11

Which of the following has a chain arrangement?

Streptobacillus

Streptococci

Staphylococci

Both A and B

24 / 100

Category: Biology Ch 3 Class 12

Which hormone is chemically a steroid?

NUMS 2020
Biology
Coordination and Control
Elimination Tool:

A) ADH

B) Thyroxin

C) Cortisone

D) Insulin

25 / 100

Category: Biology

Q.61 These are properties of lipids_________________

A. Insoluble in water and soluble in fat solvent.

B. High energy content

C. Structural component of cell membrane

D. All of these

26 / 100

Category: Biology Ch 8 Class 11

The most common example of members of the kingdom fungi is/are:

NUMS 2019 Reconduct
Biology
Kingdom Fungi
Elimination Tool:

A) Star fish

B) Mushrooms

C) Algae

D) Human

27 / 100

Category: Biology Ch 3 Class 11

Optimum temperature for enzymes of human body is:

NUMS 2018
Biology
Enzymes
Elimination Tool:

A) 90 F

B) 95 F

C) 98 F

D) 100 F

28 / 100

Category: Biology Ch 8 Class 12

Ahmed’s blood CANNOT clot properly; he was diagnosed with hemophilia A. He passed this trait to his grandson through his:

NUMS 2019 Reconduct
Biology
Variation and Genetics
Elimination Tool:

A) Wife

B) Son

C) Daughter

D) Brother

29 / 100

Category: Biology Ch 2 Class 11

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?

NTS 2018
Biology
Biological Molecules
Elimination Tool:

A) Primary structure

C) Tertiary structure

B) Secondary structure

D) Quatenary Structure

30 / 100

Category: Biology Ch 5 Class 11

Five kingdom classification was proposed by :

Carlous Linnaeus

E-Chatton

Robert Whittaker

Lynn Margulis and Karlene Schwartz

31 / 100

Category: Biology

Q.53____________________are among smallest known virus

A. Picornavirus

B. Parvoviruses

C. Herpes virus

D. Rotavirus

32 / 100

Category: Biology Ch 1 Class 12

In comparison to a constantly changing external environment, _____ is when the body maintains the internal processes to work in a narrow range of internal fluctuations.

NUMS 2019 Reconduct
Biology
Homeostasis
Elimination Tool:

A) Regulation

B) Homeostasis

C) Balancing

D) Thermoregulation

33 / 100

Category: Biology Ch 10 Class 12

Mating with non-relatives is known as?

PMC Sample 2
Biology
Evolution
Elimination Tool:

A) Inbreeding

B) Outbreeding

C) Breeding

D) None of these options is correct

34 / 100

Category: Biology Ch 12 Class 11

Digestive system in vertebrates is formed by which germ layer?

NUMS 2014
Biology
Nutrition
Elimination Tool:

A) Ectoderm

B) Endoderm

C) Mesoderm

D) None of these

35 / 100

Category: Biology Ch 1 Class 11

Sythetic insulin from pork was formed by which technique:

Parasitology

Social biological techniques

Both a and c

36 / 100

Category: Biology Ch 8 Class 12

Erythroblastosis foetalis occurs when:

NTS 2011
Biology
Variation and Genetics
Elimination Tool:

D) Both mother and baby are Rh-positive

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

37 / 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

38 / 100

Category: Biology Ch 9 Class 12

Recombinant DNA contains DNA from

2 different sources

3 different sources

2 same sources

3 same sources

39 / 100

Category: Biology

Haploid and monoploid numbers of chromosomes of hexaploid wheat are:

NUMS Mock 4
Biology
Chromosomes and DNA

A) 21 and 42

B) 7 and 21

C) 21 and 7

D) 42 and 21

40 / 100

Category: Biology Ch 13 Class 12

In air nitrogen is

57%

20%

79%

30%

41 / 100

Category: Biology

Q.63 Ozone depletion is commonly caused by:

A. CFC’s

B. Industrial smoke

C. Nitrogen gases

D. Green house gases

42 / 100

Category: Biology Ch 3 Class 12

The _____ may be a cell, neuron ending or an organ that receives the stimulus.

NUMS 2019 Reconduct
Biology
Coordination and Control
Elimination Tool:

A) Effector

B) Receptor

C) Adopter

D) Stimuli

43 / 100

Category: Biology Ch 9 Class 11

The part of sporophyte which is called sporangium is

Capsule

Foot

Stalk

None of these

44 / 100

Category: Biology

Q.21 All of the following are true for platyhelminthes except:

A. Flatworms

B. Triploblastic

C. Coelomates

D. Bilateral symmetry

45 / 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

46 / 100

Category: Biology Ch 2 Class 11

The melting point of unsaturated fatty acids:

NUMS 2019 Reconduct
Biology
Biological Molecules
Elimination Tool:

A) Increases with increase in double bonds

B) Decreases with increase in double bonds

C) Rises in some and falls in others

D) There is no relationship between unsaturation and melting point

47 / 100

Category: Biology

A group of biologically active molecules formed from amino acids which interact with the surface of the lipid bilayer of cell membranes are called:

NUMS Mock 3
Biology
Biological Molecules

A) Integral Proteins

B) Peripheral proteins

C) Cell wall

D) Plasmodesmata

48 / 100

Category: Biology

Q.49 Another name for the sex cell is:

A. Hormone

B. Gamete

C. Zygote

D. Testicle

49 / 100

Category: Biology

Q.10 Which of the following bond is more resistant to temperature when protein gets denatured?

Peptide Bond

B. Disulphide bond

Ionic Interactions

D. Hydrophobic interactions

50 / 100

Category: Biology Ch 3 Class 11

The cofactor usually acts as “bridge” between:

NUMS 2018
Biology
Enzymes
Elimination Tool:

A) Enzyme & substrate

B) Enzyme & product

C) Coenzyme & substrate

D) Activator & substrate

51 / 100

Category: Biology Ch 3 Class 12

The _____ is the main nutritional part and it’s concerned with the biosynthesis of materials necessary for neurons.

NUMS 2019 Reconduct
Biology
Coordination and Control
Elimination Tool:

A) Nerves

B) Axon

C) Soma

D) Dendrites

52 / 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

53 / 100

Category: Biology Ch 2 Class 11

Peptide bonds are formed between:

NUMS 2014
Biology
Biological Molecules
Elimination Tool:

A) Hydrogen groups of adjacent amino acids

B) Non-functional groups of the amino acids

C) Carboxyl groups and amino groups

D) Functional groups and hydrogen groups of adjacent amino acids

54 / 100

Category: Biology Ch 9 Class 11

Excess water in plants is forced out in the form of droplets through?

PMC 2021 Tested
Biology
Kingdom Plantae
Elimination Tool:

A) Lenticles

B) Stomata

C) Hydathodes

D) Cuticle

55 / 100

Category: Biology Ch 12 Class 11

The reaction involved in chemotrophic nutrition is:

NTS 2010
Biology
Nutrition
Elimination Tool:

A) 6CO2 + 12H2O + light + chlorophyll -> C6H12 + 6H2O + 6CO2

B) 2H2S + CO2 + light -> (CH2O)n + H2O + 2S

D) CH3COOH + enzyme -> CH3CHO + CO2

C) NH4 + 3O2 + light -> 2NO2 + 2H2O + 4H+ + energy

56 / 100

Category: Biology Ch 10 Class 12

According to the Hardy-Weinberg theorem, what will be the frequency of heterozygote when ‘p’ is 0.2?

NUMS 2019 Reconduct
Biology
Evolution
Elimination Tool:

A) 0.32

B) 0.38

C) 0.42

D) 0.48

57 / 100

Category: Biology Ch 2 Class 12

Which of the following statement is incorrect about Molluscans?

They are surrounded by single or double pieces of hard skeleton.

Their shell grows as the animal grows.

They have hydrostatic skeleton

They move by tube feet

58 / 100

Category: Biology Ch 2 Class 11

NAD is an example of:

PMC 2020
Biology
Biological Molecules
Elimination Tool:

A) Mononucleotide

B) Dinucleotide

C) Trinucleotide

D) Tetranucleotide

59 / 100

Category: Biology Ch 4 Class 12

Amniocentesis is performed between the:

NTS 2011
Biology
Reproduction
Elimination Tool:

A) 16th and 18th week of gestation

B) 1st and 2nd week of gestation

C) 30th and 32nd week of gestation

D) 37th and 38th week of gestation

60 / 100

Category: Biology

Q.44 To produce ATP (adenosine triphosphate) in muscles, creatine phosphate (CP) transfers__________________ to adenosine diphosphate (ADP).

A. Oxygen

B. Adenosine

C. Cytosine

D. Phosphate

61 / 100

Category: Biology Ch 12 Class 12

End of earth’ is related to

Tropical rain forest

Temperate deciduous forest

Savanna

Tundra

62 / 100

Category: Biology Ch 13 Class 11

Oxygen, released into the atmosphere, comes from:

NUMS 2020
Biology
Gaseous Exchange
Elimination Tool:

A) CO2

B) H2O

C) C6H12O6

D) CO2 and H2O

63 / 100

Category: Biology

_________ is sometimes given by injection as an emergency treatment in cardiac arrest:

NUMS Mock 3
Biology
Coordination and Control

A) Acetylcholine

B) Dopamine

C) Serotonin

D) Epinephrine

64 / 100

Category: Biology Ch 2 Class 11

The helical structure of a protein is kept by the formation of hydrogen bond between amino acid molecules which are:

NUMS 2015
Biology
Biological Molecules
Elimination Tool:

A) Adjacent to each other

B) In successive spiral turns

C) Between two different polypeptide chains

D) None of the given options

65 / 100

Category: Biology Ch 4 Class 12

All of the following are sexually transmitted diseases except:

NTS 2011
Biology
Reproduction
Elimination Tool:

A) Syphilis

B) Gonorrhea

C) Alzheimer's Disease

D) Genital Herpes

66 / 100

Category: Biology Ch 4 Class 12

Hydra reproduces asexually by:

NUMS 2014
Biology
Reproduction
Elimination Tool:

A) Binary fission

B) Multiple fission

D) Regeneration

C) Budding

67 / 100

Category: Biology Ch 9 Class 12

During gel electrophoresis, the gel used is:

NUMS 2020
Biology
Biotechnology
Elimination Tool:

A) Agar gel

B) Agarose gel

C) Dextran

D) Toluene gel

68 / 100

Category: Biology Ch 10 Class 11

Opposable thumbs are characteristic features of

NUMS 2014
Biology
Kingdom Animalia
Elimination Tool:

A) Lagomorpha

B) Primates

C) Ederitate

D) None of these

69 / 100

Category: Biology Ch 10 Class 11

What is the correct order of arthropod groups, from those with most legs to those with fewest legs?

NTS 2014
Biology
Kingdom Animalia
Elimination Tool:

A) arachnids … crustaceans … insects … myriapods

B) crustaceans … myriapods … insects … arachnids

C) insects … arachnids … myriapods … crustaceans

E) myriapods … crustaceans … arachnids … insects

70 / 100

Category: Biology Ch 14 Class 11

Which of the following has oxygenated blood?

NUMS 2014
Biology
Transport
Elimination Tool:

A) Renal veins

B) None

C) Pulmonary artery

D) Hepatic portal veins

71 / 100

Category: Biology Ch 13 Class 11

______ respiration is the process by which cell utilized oxygen and produces CO2

Cellular

Organismic

Both of these

None of these

72 / 100

Category: Biology Ch 3 Class 11

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

Nucleus

Chlorophast

Milochondria

Ribosome

73 / 100

Category: Biology

Q.40 Which of the following is true of both bacterial conjugation and meiosis?

A. Both processes produce four haploid cells

B. Both processes are a form of asexual reproduction

C. Both processes involve genetic recombination

D. None of these

74 / 100

Category: Biology Ch 2 Class 11

Lipids store double the amount of energy as compared to carbohydrates because of:

PMC 2020
Biology
Biological Molecules
Elimination Tool:

A) High proportion of oxygen

B) High C-O ratio

C) Low proportion of Carbon

D) High proportion of C-H

75 / 100

Category: Biology Ch 12 Class 12

Evolution of vascular bundles in plants and skeleton in animals is an adaptation for

Hdrospheric ecosystem

Aquatic ecosystem

Terrestrial ecosystem

All of these

76 / 100

Category: Biology Ch 6 Class 12

Which of the following can be blocked, if one wants to stop translation of mRNA?

NUMS 2019 Reconduct
Biology
Chromosomes and DNA
Elimination Tool:

A) RNA polymerase

B) Helicase

C) Elongation factor

D) Primase

77 / 100

Category: Biology Ch 10 Class 11

Actinia is the biological name of:

NUMS 2018
Biology
Kingdom Animalia
Elimination Tool:

A) Sea Anemone

B) Corals

C) Obelia

D) Jellyfish

78 / 100

Category: Biology Ch 6 Class 12

Chromosome is made of

2 chromatids +1 centromere +secondary constriction

1 chromated + 1 centromere + primary constriction

2 chromatids + 1 centromere + primary constriction

2 chromatids + 2 centromere + secondary constriction

79 / 100

Category: Biology

Q.57 Secondary oocyte is ovulated from:

A. Corpus luteum

B. Graafian follicle

C. Primary follicle

D. Germinal epithelium

80 / 100

Category: Biology Ch 10 Class 11

Coelom is a cavity lined by:

NUMS 2016
Biology
Kingdom Animalia
Elimination Tool:

A) Mesoderm

B) Endoderm

D) Ectoderm

C) Epiderm

81 / 100

Category: Biology

Q.16 Example of convergent evolution is

A. Forelimbs of man and bat

B. Wings of birds and insects

C. Darwin's finches

D. All of above

82 / 100

Category: Biology

An example of competitive inhibition of an enzyme is the inhibition of;

NUMS Mock 2
Biology
Enzymes

A) Succinic dehydrogenase by malonic acid

B) Cytochrome oxidase by cyanide

C) Hexokinase by glucose

D) Carbonic anhydrase by carbon dioxide

83 / 100

Category: Biology Ch 7 Class 11

Who first separated bacteria from other protists as a group?

John Hogg

Ernst Haeckel

Margulis and Schwartz

Herbert Copeland

84 / 100

Category: Biology Ch 10 Class 12

Which factor decides what type of variation should be flourished and passed on to the next generations?

NTS 2019
Biology
Evolution
Elimination Tool:

A) Species

B) Population

C) Survival

D) Environment

85 / 100

Category: Biology Ch 2 Class 11

Which of the following has the ability to develop ester linkage with the OH group of Pentose sugar?

NUMS 2017
Biology
Biological Molecules
Elimination Tool:

A) Purine

B) Pyrimidine

C) H3PO4

D) HNO3

86 / 100

Category: Biology Ch 3 Class 12

Chlorosis, i.e., yellowish hue on the leaves results from

Accumulation of toxic waste products in leaves.

Deficiency of chlorophyll.

Short supplies of mineral nutrients in the soil

All of these

87 / 100

Category: Biology Ch 3 Class 11

Antibodies can be digested by using which of the following types of enzymes?

PMC Sample 3
Biology
Enzymes
Elimination Tool:

A) Lipase

B) Protease

C) Amylase

D) Polymerase

88 / 100

Category: Biology Ch 5 Class 11

The word virus is derived from Latin word venome meaning

Sweet fluid

Sore Fluid

Poisonous Fluid

Salty Fluid

89 / 100

Category: Biology

The inhibitor which closely resembles the substrate in its molecular structure and inhibits the enzyme activity by binding to the active site of the enzyme is called:

NUMS Mock 4
Biology
Enzymes

A) Feedback inhibitor

B) Non-competitive inhibitor

C) Allosteric modulator

D) Competitive inhibitor

90 / 100

Category: Biology Ch 11 Class 11

Which of the light is mainly absorbed by the plants:

Orange

Red

Green

Both A and B

91 / 100

Category: Biology Ch 10 Class 12

The genetic change in a population caused by natural selection is called?

PMC Sample 1
Biology
Evolution
Elimination Tool:

A) polymorphism

B) specialization

C) gene linkage

D) adaptation

92 / 100

Category: Biology

All of the followings are the effects of red light on plant, EXCEPT:

NUMS Mock 2
Biology
Growth and Development

A) Causes epicotyl (plumule) hook to unbend

B) Induces increase in leaf area

C) Elongation of internodes is promoted

D) Stimulate flowering in long day plants

93 / 100

Category: Biology Ch 12 Class 12

In which zone plant community is most diverse

Limnetic zone

Littoral zon

Profundal zone

All of these

94 / 100

Category: Biology Ch 3 Class 11

Upon increasing the temperature the shape of enzyme’s active site?

PMC Sample 2
Biology
Enzymes
Elimination Tool:

A) remains same

B) denatures

C) adopts a geometric conformation

D) dissolves

95 / 100

Category: Biology Ch 9 Class 11

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

PMC Sample 3
Biology
Kingdom Plantae
Elimination Tool:

A) Hydrophytes

B) Mesophytes

D) Xerophytes

C) Halophytes

96 / 100

Category: Biology Ch 2 Class 11

Each β – chain of hemoglobin molecules contains ____ amino acids.

NUMS 2019 Reconduct
Biology
Biological Molecules
Elimination Tool:

A) 136

B) 146

D) 288

C) 235

97 / 100

Category: Biology

Which of the following bones are present in the palm of the hand:

NUMS Mock 3
Biology
Support and Movement

A) Carpals

B) Metacarpals

C) Phalanges

D) Tarsal

98 / 100

Category: Biology Ch 7 Class 11

The disease caused by Protozoal infection is:

NTS 2018
Biology
Kingdom Protista
Elimination Tool:

A) Rickets

B) Goiter

C) Malaria

D) Beri-beri

99 / 100

Category: Biology Ch 1 Class 11

The concept that various organisms dominated this planet during various geological time period and thus placing organisms in a time squence came from the studies by

Environmental biologist

Paleontologist

Marine biologist

Social biologist

100 / 100

Category: Biology Ch 14 Class 11

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

NUMS 2020
Biology
Transport
Elimination Tool:

A) Femoral

B) Pulmonary

C) Renal

D) Iliac

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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