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 11 Class 11

The end product of Glycolysis is:

NTS 2011
Biology
Bioenergetics
Elimination Tool:

A) Glucose-6-phosphate

B) Fructose-6-phosphate

C) Pyruvate

D) 3-Phosphoglycerate

2 / 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

3 / 100

Category: Biology Ch 7 Class 11

Most of the photosynthesis on earth is carried by

Kelps

Gymnosperms

Angiosperms

Algae

4 / 100

Category: Biology Ch 9 Class 12

Taq polymerase is extracted from a bacterium

Floral aquaticus

Taq aquaticus

Thermus floral

Thermus aquaticus

5 / 100

Category: Biology Ch 8 Class 12

A child with AB blood group who was born to a mother of the genotype IAIA cannot have the father of the genotype:

NUMS 2014
Biology
Variation and Genetics
Elimination Tool:

A) IA IA

B) IB IB

C) IB IO

D) IB IB and IB IO

6 / 100

Category: Biology

Egg-Laying mammals are called:

NUMS Mock 3
Biology
Reproduction

B) Protozoa

C) Chordata

D) Monotremes

E) Both A and D

7 / 100

Category: Biology

Q.7 Ribosomes are assembled in the nucleolus and then exported to cytoplasm via:

Exocytosis

Nuclear Pores

C. Nuclear envelope

D. Carrier mediated diffusion

8 / 100

Category: Biology Ch 12 Class 11

Deficiency of K+ causes:

Stunted growth & strong chlorosis

No electron transport chains

Premature death of leaves.

Stunted growth of roots.

9 / 100

Category: Biology Ch 13 Class 11

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

30%

20%

40%

50%

10 / 100

Category: Biology

The wings of the birds and forelegs of a horse are ______ structures.

NUMS Mock 3
Biology
Evolution

A) Analogous

B) Homologous

C) Vestigial

D) Evolutionary convergent

11 / 100

Category: Biology Ch 9 Class 11

Which one of the following types of cell are found in secondary xylem of angiosperms?

NTS 2015 DUHS and JSMU
Biology
Kingdom Plantae
Elimination Tool:

A) Tracheids parenchyma fibres collenchyma but no vessels

B) Vessels tracheids parenchyma collenchyma but no fibres

C) Vessels tracheids fibres collenchyma but no parenchyma

D) Vessels tracheids fibres parenchyma but no collenchyma

12 / 100

Category: Biology

Q.27 In the process of esterification OH is derived from?

A. Ether

B. Alcohol

C. Water

D. Both A and B

13 / 100

Category: Biology Ch 10 Class 11

The Porifera are pore – bearing animals, commonly called:

NUMS 2018
Biology
Kingdom Animalia
Elimination Tool:

A) Corals

B) Sponges

C) Hydras

D) Anemones

14 / 100

Category: Biology Ch 11 Class 11

Van neil hypothesis about the production of oxygen during phosynthesis was based on the study and investigations on

Bacteria

Algae

Protenema

Cyanobacteria

15 / 100

Category: Biology Ch 5 Class 11

There are 3 stages of HIV infection, which sequence is correct

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

A) AIDS, Chronic HIV, Acute HIV

B) Chronic HIV, AIDS, Acute HIV

C) Acute HIV, Chronic HIV, AIDS

D) all of them

16 / 100

Category: Biology Ch 7 Class 12

Crossing over takes place during _____ of meiosis.

UHS 2018
Biology
Cell Cycle
Elimination Tool:

A) Prophase I

B) Telophase I

D) Anaphase I

C) Metaphase I

17 / 100

Category: Biology Ch 2 Class 11

Which one are most complex sugar:

Monosaccharides

Oligosaccharides

Polysaccharides

None of these

18 / 100

Category: Biology Ch 3 Class 12

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

NTS 2010
Biology
Coordination and Control
Elimination Tool:

A) Pituitary gland

B) Pancreas

C) Thyroid gland

D) Thymus gland

19 / 100

Category: Biology Ch 8 Class 11

Saccharomyces cerevisiae is the scientific name of a:

NUMS 2017
Biology
Kingdom Fungi
Elimination Tool:

A) Fungus

B) Smut

C) Bacterium

D) Yeast

20 / 100

Category: Biology

Q.16 Retroviruses have a special enzyme ‘reverse transcriptase’ which can convert ____________into ___________.

A. DNA to DNA

B. RNA to DNA

C. DNA to RNA

D. RNA to RNA

21 / 100

Category: Biology Ch 2 Class 11

All of the following structures are proteinous in nature except:

NUMS 2014
Biology
Biological Molecules
Elimination Tool:

A) Hooves

B) Haemoglobin

C) Enzymes

D) Steroids

22 / 100

Category: Biology Ch 7 Class 12

Meiosis occurs at the time of

Gamete formation in animals

Spore formattion in plants

Growth in animals

Both a and b

23 / 100

Category: Biology Ch 8 Class 12

In question number 2 what will be frequency of dwarf plant in F2

0.25

0.5

0.75

24 / 100

Category: Biology Ch 10 Class 12

What was the source of hydrogen for first photosynthetic organisms?

Water

Hydrogen present in soil

Hydrogen sulphate

Hydrogen sulphide

25 / 100

Category: Biology Ch 10 Class 11

An organism appears to be a segmented worm. Upon observation, it is determined that the organism has a closed circulation, a mouth, and an anus and does not have an exoskeleton. The organism most likely belongs to the phylum:

NTS 2010
Biology
Kingdom Animalia
Elimination Tool:

A) Mollusca

B) Annelida

C) Echinodermata

D) Arthropoda

26 / 100

Category: Biology Ch 11 Class 11

Which of the following is a copper containing protein in electron transport chain?

PMC 2020
Biology
Bioenergetics
Elimination Tool:

A) Plastoquinone

B) Cytochrome – C

C) Plastocyanin

D) Ferredoxin

27 / 100

Category: Biology

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

NUMS Mock 3
Biology
Biotechnology

A) Probes

B) Restriction endonuclease

C) Mutated DNA

D) Recombinant DNA

28 / 100

Category: Biology Ch 6 Class 11

In which of the following phases of bacterial growth, is the death rate more rapid than the multiplication rate?

NTS 2016 SMBBMC
Biology
Kingdom Prokaryote
Elimination Tool:

A) Stationary phase

B) LAG phase

C) Decline phase

D) LOG phase

29 / 100

Category: Biology Ch 2 Class 11

Which of these is not a disaccharide?

NUMS 2018
Biology
Biological Molecules
Elimination Tool:

A) Fructose

B) Sucrose

C) Lactose

D) Maltose

30 / 100

Category: Biology Ch 10 Class 12

Prokaryotes are considered to be evolved

. 3.5 billion years ago

1.5 billion years ago

4.5 billion years ag

1000 million years ago

31 / 100

Category: Biology Ch 6 Class 12

An anticodon is the sequence of the nitrogenous bases on the:

NTS 2014
Biology
Chromosomes and DNA
Elimination Tool:

A) complementary strand of DNA which codes for one amino acid

B) complementary strand of mRNA which codes for one amino acid

C) tRNA molecule where the amino acid is attached

D) tRNA molecule which recognizes the appropriate sequence of bases on the mRNA

32 / 100

Category: Biology Ch 5 Class 11

Which of the following is not true for retroviruses?

NUMS 2014
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) They are cuboidal in shape

B) They are enveloped by host plasma membrane

C) They have enzyme reverse transcriptase

D) All of them are not specific

33 / 100

Category: Biology

The enzyme found in saliva responsible for the digestion of carbohydrates is:

NUMS Mock 4
Biology
Enzymes

A) Lysozyme

B) Amylase

C) Pepsin

D) Trypsinogen

34 / 100

Category: Biology

In the commercial manufacture of insulin, a human gene is inserted into which one of the following?

NUMS Mock 1
Biology
Biotechnology

A) A chromosome of a human cell

B) A protein molecule in a yeast cell

C) The DNA of a bacterium

D) The nucleic acid in a virus

35 / 100

Category: Biology Ch 12 Class 11

Percentage of magnesium by mass in a human being is:

NUMS 2015
Biology
Nutrition
Elimination Tool:

A) 0.005%

B) 0.25%

C) 0.15%

D) 0.35%

36 / 100

Category: Biology

Red-green color-blindness is an X-linked recessive disorder. Jacob’s paternal grandfather and father are both color-blind, but his mother has two normal alleles. What is the probability that Jacob is red-green color-blind?

NUMS Mock 2
Biology
Variation and Genetics

A) 0%

B) 25%

C) 50%

D) 75%

37 / 100

Category: Biology Ch 7 Class 12

In plants mitotic apparatus consists of

Centriole

Centriole and asters

Centrioles, asters and spindles

Spindles only

38 / 100

Category: Biology Ch 6 Class 11

Which of the following bacteria possesses a spherical shape?

PMC Practice 4
Biology
Kingdom Prokaryote
Elimination Tool:

A) Bacillus anthracis

B) Escherichia coli

C) Spirillum minus

D) Staphylococcus aureus

39 / 100

Category: Biology Ch 2 Class 11

Which of the following processes is the reverse of condensation?

NTS 2016 SMBBMC
Biology
Biological Molecules
Elimination Tool:

A) Hydrolysis

B) Dehydration synthesis

C) Polymerization

D) Vapourization

40 / 100

Category: Biology Ch 1 Class 12

The active uptake of sodium in the ascending limb or thick loop of Henle is promoted by the action of:

PMC 2020
Biology
Homeostasis
Elimination Tool:

A) Aldosterone

B) Thyroxine

C) ADH

D) Cortisone

41 / 100

Category: Biology Ch 6 Class 11

Which of the following statements about the systemic effect of bacterial cells is true?

PMC Practice 3
Biology
Kingdom Prokaryote
Elimination Tool:

A) Gram-negative bacteria are more likely to cause systemic effects because they lack an outer membrane which means they can more quickly to infect host cells

B) Gram-negative bacteria are more likely to cause systemic effects because their outer membrane protects them from antibiotics

D) None of these options is correct

C) Both Options A and B are correct

42 / 100

Category: Biology Ch 3 Class 12

Abscisic acid promotes flowering in short day plants and inhibits in long day plants, which of the following is antagonistic to abscisic acid in terms of flowering:

Gibberellins

Cytokinins

Auxins

Ethene

43 / 100

Category: Biology Ch 9 Class 12

Chemical nature of primers used in the PCR process is _______.

UHS 2018
Biology
Biotechnology
Elimination Tool:

A) RNA

B) Protein

C) Carbohydrate

D) DNA

44 / 100

Category: Biology Ch 1 Class 12

When a frog is kept in water for some time it sheds a thin covering of skin called ____

NUMS 2014
Biology
Homeostasis
Elimination Tool:

A) Cuboidal epithelium

B) Squamous epithelium

C) Columnar epithelium

D) Ciliated epithelium

45 / 100

Category: Biology Ch 9 Class 12

By PCR we mean:

UHS 2018
Biology
Biotechnology
Elimination Tool:

A) Polymerase chronic reaction

B) Polymerase chain reaction

C) Polymerase copy reaction

D) Polymerase cross reaction

46 / 100

Category: Biology Ch 8 Class 11

Root like structure in saprotrophic fungi are called

Rhizodis

Haustoria

Hyphae

Constricting rings

47 / 100

Category: Biology

The scientific name of thorn Apple is?

NUMS Mock 2
Biology
Kingdom Plantae

A) Sycopodium phlogmaria

B) Anthocoros fusiform

C) Ginkgo biloba

D) Datura alba

48 / 100

Category: Biology Ch 14 Class 11

The valve between right atrium and right ventricle is called:

NUMS 2014
Biology
Transport
Elimination Tool:

A) Bicuspid valve

B) Tricuspid valve

C) Pulmonary valve

D) Semi lunar valve

49 / 100

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:

A) Test cross with homozygous white flowered plant

B) Test cross with homozygous purple flowered plant

C) Test cross with heterozygous purple flowered plant

D) Hybird cross

50 / 100

Category: Biology Ch 4 Class 11

A group of cells performing same function are known as:

NUMS 2016
Biology
Cell Structure and Function
Elimination Tool:

A) Organelles

B) Tissues

C) A system

D) Both A and B

51 / 100

Category: Biology Ch 7 Class 11

Photosynthesis is absent in which of the following:

PMC 2021 Tested
Biology
Kingdom Protista
Elimination Tool:

A) Bacteria

B) None of these

C) Seaweeds

D) Mushrooms

52 / 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

53 / 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

54 / 100

Category: Biology Ch 5 Class 12

Thyroxine deficiency in adults’ results in a condition called:

UHS 2015
Biology
Growth and Development
Elimination Tool:

A) Cretinism

B) Hypothyroidism

C) Thyrotoximia

D) Myxoedema

55 / 100

Category: Biology Ch 3 Class 11

The lock and key model of enzyme action was proposed by:

PMC Sample 3
Biology
Enzymes
Elimination Tool:

A) Louis Pasteur

B) Emil Fischer

C) Daniel Koshland

D) Urey Miller

56 / 100

Category: Biology

Lamarck is best known for his theory of:

NUMS Mock 3
Biology
Evolution

A) Inheritance

B) Dominance

C) Inheritance of acquired characteristics

D) All of the above

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

Q.63 Ozone depletion is commonly caused by:

A. CFC’s

B. Industrial smoke

C. Nitrogen gases

D. Green house gases

59 / 100

Category: Biology Ch 10 Class 12

Which one is NOT a continuous trait?

NUMS 2019 Reconduct
Biology
Evolution
Elimination Tool:

A) Human height

B) Tongue rolling

C) Wheat grain color

D) Human skin color

60 / 100

Category: Biology

Q.17 Final acceptor of electrons in respiratory chain is?

A. NADH

B. Cytochrome a3

C. Water

D. Oxygen

61 / 100

Category: Biology Ch 12 Class 11

Translocation of organic solutes in plants takes place through:

NUMS 2020
Biology
Nutrition
Elimination Tool:

A) Companion cell

B) Fibres

C) Sieve tubes

D) Vessels

62 / 100

Category: Biology Ch 7 Class 12

Reverse of prophase is

Interphase

Metaphase

Anaphase

Telophase

63 / 100

Category: Biology

Q.53 Which of these is the best treatment for osteoarthritis?

A. Bed rest

B. Exercise

C. Cast

D. None of these

64 / 100

Category: Biology

The best function of coelom is described as ____.

NUMS Mock 1
Biology
Kingdom Animalia

A) To increase the size of the animals

B) To help in the functioning of reproductive system

C) To provide space for the development of organs and systems

D) All of these options are correct

65 / 100

Category: Biology Ch 3 Class 11

Which step causes activation of catalytic site of an enzyme?

Change in pH of the surroundings.

Formation of Enzyme Susstrate complex.

Change in the charge of the active site.

Change in temperature

66 / 100

Category: Biology Ch 12 Class 11

Ileum is about ______ long:

NTS 2010
Biology
Nutrition
Elimination Tool:

A) 3.6 centimeters

B) 3.6 mllimeters

C) 3.6 inches

D) 3.6 meters

67 / 100

Category: Biology Ch 10 Class 11

Despite the structural diversities, ____ are characterized by having a soft body protected by a calcareous shell developing from the mantle layer.

NUMS 2014
Biology
Kingdom Animalia
Elimination Tool:

A) Corals

B) Foraminiferos

C) Molluscs

D) None of these

68 / 100

Category: Biology Ch 3 Class 12

Which of the following is not the function of the cerebrum?

NUMS 2016
Biology
Coordination and Control
Elimination Tool:

A) Voluntary digestion

B) Thinking

C) Intelligence

D) Skeletal muscles

69 / 100

Category: Biology

When both the alleles of a gene pair are same, the organism is said to be:

NUMS Mock 3
Biology
Variation and Genetics

A) Heterozygous

B) Genotype

C) Homozygous

D) Phenotype

70 / 100

Category: Biology Ch 3 Class 11

Reversible inhibitors form WEAK linkages with which of the following?

PMC Sample 3
Biology
Enzymes
Elimination Tool:

A) enzyme

B) reactant

C) product

D) substrate

71 / 100

Category: Biology Ch 12 Class 11

_____ is activated to ______ by enterokinase / enteropeptidase enzyme secreted the lining of duodenum:

NUMS 2019 Cancelled
Biology
Nutrition
Elimination Tool:

A) Pepsinogen, pepsin

B) Trypsinogen, trypsin

C) Pepsinogen, trypsin

D) Chymotrypsinogen, chymotrypsin

72 / 100

Category: Biology Ch 2 Class 11

Which type of protein structure contains the three dimensional structure?

NTS 2013
Biology
Biological Molecules
Elimination Tool:

A) Primary

B) Secondary

C) Tertiary

D) Quaternary

73 / 100

Category: Biology

Q.2 The set of all genes in any population is termed as?

A. population pool

B. species pool

C. gene pool

D. all of these

74 / 100

Category: Biology Ch 13 Class 12

Balance in the nutrient cycle can be upset when

Too much food is consumed

Not enough food is produced

Decayed nutrients are not returned to the ground

All of these

75 / 100

Category: Biology Ch 13 Class 12

Driving force for all the cycles in ecosystem is

Water

Soil

Sun

Air

76 / 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:

A) 100 S

B) 90 S

C) 80 S

D) 70 S

77 / 100

Category: Biology Ch 6 Class 12

The length of okazaki fragments in eukayotes is

150–250 nucleotides long

200-300 nucleotides

1000-2000 nucleotde

100-200 nucleotides

78 / 100

Category: Biology Ch 8 Class 12

The law of dominance is illustrated in the garden pea by:

NTS 2010
Biology
Variation and Genetics
Elimination Tool:

B) Heterozygous tall x heterozygous tall

C) Homozygous tall x homozygous tall

D) Pure short x pure short

E) Homozygous tall x pure short

79 / 100

Category: Biology Ch 13 Class 12

Hot substance is escaped from inside the earth in the form of

Volcanoes

Hot springs

Geysers

All of these

80 / 100

Category: Biology

Q.23 The vectors for disease spread belong to which of the following phylum?

A. Porifera

B. Platyhelminthes

C. Annelida

D. Arthropoda

81 / 100

Category: Biology

Q.67 What is the property of the part of a cell membrane which is in contact with external and internal environment?

A. hydrophobic

B. hydrophilic

C. neutral

D. Both A and B

82 / 100

Category: Biology Ch 12 Class 11

Digestion of which food components starts from the oral cavity?

NUMS 2020
Biology
Nutrition
Elimination Tool:

A) Proteins

B) Fats

D) Vitamins

C) Carbohydrates

83 / 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

84 / 100

Category: Biology Ch 5 Class 11

The genome of viruses is composed of

NTS 2019
Biology
Bio-diversity | Variety of Life
Elimination Tool:

A) DNA

B) RNA

C) Protien

D) Both A and B

85 / 100

Category: Biology Ch 11 Class 11

Which of the following pigment is Blue- green in colour:

Chlorophyll a

. Chlorophyll b

Chlorophyll c

Chlorophyll d.

86 / 100

Category: Biology Ch 4 Class 11

Which type of movement through the cell membrane is not an energy-consuming process?

NUMS 2020
Biology
Cell Structure and Function
Elimination Tool:

A) Endocytosis

B) Exocytosis

C) Active transport

D) Osmosis

87 / 100

Category: Biology Ch 4 Class 12

The egg-laying birds are called:

NUMS 2016
Biology
Reproduction
Elimination Tool:

A) Oviparous

B) Viviparous

C) Monotremes

D) All of these

88 / 100

Category: Biology Ch 9 Class 11

Which of the following statement about plants is incorrect?

PMC Sample 2
Biology
Kingdom Plantae
Elimination Tool:

A) All are eukaryotes

B) They are multicellular

C) Non-motile organisms

D) Are heterotrophs

89 / 100

Category: Biology Ch 3 Class 12

On land, frogs are:

NUMS 2014
Biology
Coordination and Control
Elimination Tool:

A) Hypermetric

B) Cerebral cortex

C) Normal sighted

D) None of these

90 / 100

Category: Biology Ch 14 Class 11

The causes of Cyanosis include:

NTS 2010
Biology
Transport
Elimination Tool:

A) Deficiency of vitamin C

B) Varicella-zoster virus

C) Degeneration of the cartilage of joints

D) Ventricular septum defect

91 / 100

Category: Biology

Q3 Assymetrical body is a feature of phylum

A. Annelida

B. Arthropoda

C. Porifera

D. Cnidaria

92 / 100

Category: Biology Ch 7 Class 12

Smooth endoplasmic reticulum is responsible for the metabolism of:

UHS 2019
Biology
Cell Cycle
Elimination Tool:

A) Nucleic acids

B) Proteins

C) Carbohydrates

D) Lipids

93 / 100

Category: Biology Ch 1 Class 12

The disease in which patients passed urine that rapidly turned black on exposure to air is called:

NTS 2011
Biology
Homeostasis
Elimination Tool:

A) Phenylketonuria

B) Alkaptonuria

C) Sickle cell anemia

D) Hemophilia

94 / 100

Category: Biology

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

A. Globular

B. Functional

C. Fibrous

D. Both A and B

95 / 100

Category: Biology Ch 7 Class 12

Which of the following is NOT true for meiosis?

NUMS 2019 Reconduct
Biology
Cell Cycle
Elimination Tool:

A) Number of chromosomes reduced to half

B) It takes place at the time of spore formation in plants

C) It takes place at the time of growth in animals

D) Two consecutive cell divisions are involved in it

96 / 100

Category: Biology Ch 14 Class 11

What will happen, if there is an increase in plasma albumin?

NUMS 2014
Biology
Transport
Elimination Tool:

A) Increased blood pressure

B) Increased rate of heart

C) Greater accumulation of tissue fluid

D) Decreased filtration in glomerulus

97 / 100

Category: Biology Ch 2 Class 11

he molecule used by most of the animals for long-term energy storage is:

NUMS 2016
Biology
Biological Molecules
Elimination Tool:

A) Glycogen

B) Starch

C) Fat

D) Cholesterol

98 / 100

Category: Biology Ch 1 Class 12

In animals excess of nitrogen is excreted primarily in form of

Creatinine

Trimethyamine oxide

Pyrimidine

Ammonia

99 / 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

100 / 100

Category: Biology Ch 4 Class 11

Fibers of the extracellular matrix are attached to ______ in the plasma membrane:

NUMS 2020
Biology
Cell Structure and Function
Elimination Tool:

A) Phospholipids

B) Carbohydrates

C) Glycolipids

D) Proteins

Your score is

The average score is 61%

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