The smallest unit of a chemical element that retains the properties of that element is called:

Question

The smallest unit of a chemical element that retains the properties of that element is called:

A. Atom

C. Cell

D. Tissue

Correct Answer :

A. Atom

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Which plant hormone is responsible for promoting cell elongation and growth in response to light?

A. Auxin

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Which of the following is NOT a method of preventing the spread of infectious diseases?

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Which level of ecological organization includes all the biotic and abiotic factors in a given area?

Discuss this answer

The human heart has how many chambers?

A. 2

B. 3

C. 4

D. 5

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Which term refers to the variety of life on Earth, including the diversity of species, ecosystems, and genetic variation within species?

Discuss this answer

Which of the following is NOT a method of bacterial reproduction?

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Which type of survivorship curve is characterized by a high mortality rate in early life, followed by high survivorship in later life?

A. Type I

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What is the largest organ in the human body?

A. Brain

B. Liver

C. Skin

D. Heart

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What is the primary function of the mitochondria?

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What is the name of the enzyme that unwinds and separates the DNA strands during replication?

B. Ligase

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What is the term for the process by which modern humans gradually replaced archaic humans, such as Neanderthals, through migration and competition?

Discuss this answer

What is the term for the process by which an animal forms a social attachment to another object or organism, often occurring shortly after birth?

C. Reflex

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In angiosperms, what is the female reproductive structure that contains the ovules?

A. Stamen

C. Sepal

D. Petal

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What is the term for the study of human societies, cultures, and behaviors?

Discuss this answer

Which type of learning occurs when an animal associates a neutral stimulus with a meaningful stimulus to produce a response?

Discuss this answer

A human male has how many sex chromosomes?

A. 1

B. 2

C. 23

D. 46

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What is the term for the process by which plants lose water vapor through small openings in their leaves?

Discuss this answer

In humans, which hormone is responsible for the development of secondary sexual characteristics in males?

Discuss this answer

Which hominid species is known for its use of fire and tools, and is believed to be the first to migrate out of Africa?

Discuss this answer

What is the main function of the kidneys in the human body?

Discuss this answer

What term describes the variety of different species in a particular habitat or ecosystem?

Discuss this answer

The study of the geographic distribution of species is known as:

Discuss this answer

What is the term for a gene that is expressed when present, even if only one copy is present in an individual's genotype?

Discuss this answer

What is the term for the transfer of pollen from the male reproductive organ to the female reproductive organ of a flower?

Discuss this answer

Which of the following is NOT a function of the cell wall in plant cells?

Discuss this answer

What type of plant tissue is responsible for transporting water and nutrients throughout the plant?

B. Xylem

C. Phloem

D. Cortex

Discuss this answer

What is the primary pigment responsible for photosynthesis in plants?

Discuss this answer

What is the primary function of the root system in plants?

Discuss this answer

What is the main function of the respiratory system?

Discuss this answer

What type of microorganism is responsible for turning milk into yogurt and cheese?

B. Virus

C. Fungus

Discuss this answer

Answer 1

B. Molecule

Answer 2

B. Gibberellin

Answer 3

C. Ethylene

Answer 4

D. Cytokinin

Answer 5

A. Vaccination

Answer 6

B. Antibiotic use

Answer 7

C. Handwashing

Answer 8

D. Quarantine

Answer 9

A. Population

Answer 10

B. Community

Answer 11

C. Ecosystem

Answer 12

D. Biosphere

Answer 13

A. Sustainability

Answer 14

B. Biodiversity

Answer 15

C. Ecology

Answer 16

D. Conservation

Answer 17

A. Binary fission

Answer 18

B. Budding

Answer 19

C. Conjugation

Answer 20

D. Meiosis

Answer 21

B. Type II

Answer 22

C. Type III

Answer 23

D. Type IV

Answer 24

A. Protein synthesis

Answer 25

B. Energy production

Answer 26

C. Lipid synthesis

Answer 27

D. Waste elimination

Answer 28

A. RNA polymerase

Answer 29

C. Helicase

Answer 30

D. Polymerase chain reaction (PCR)

Answer 31

A. Speciation

Answer 32

B. Coevolution

Answer 33

C. Extinction

Answer 34

D. Out-of-Africa hypothesis

Answer 35

A. Conditioning

Answer 36

B. Habituation

Answer 37

D. Imprinting

Answer 38

B. Pistil (carpel)

Answer 39

A. Sociology

Answer 40

B. Anthropology

Answer 41

C. Psychology

Answer 42

D. Archaeology

Answer 43

A. Classical conditioning

Answer 44

B. Operant conditioning

Answer 45

C. Habituation

Answer 46

D. Imprinting

Answer 47

A. Transpiration

Answer 48

B. Photosynthesis

Answer 49

C. Respiration

Answer 50

D. Osmosis

Answer 51

A. Estrogen

Answer 52

B. Progesterone

Answer 53

C. Testosterone

Answer 54

D. Prolactin

Answer 55

A. Neanderthals

Answer 56

B. Homo erectus

Answer 57

C. Australopithecus afarensis

Answer 58

D. Homo habilis

Answer 59

A. Regulation of blood sugar levels

Answer 60

B. Production of red blood cells

Answer 61

C. Filtration of blood and excretion of waste products

Answer 62

D. Digestion of food

Answer 63

A. Species richness

Answer 64

B. Genetic diversity

Answer 65

C. Ecosystem diversity

Answer 66

D. Species evenness

Answer 67

A. Biogeography

Answer 68

B. Ecology

Answer 69

C. Ethology

Answer 70

D. Taxonomy

Answer 71

A. Recessive

Answer 72

B. Dominant

Answer 73

C. Co-dominant

Answer 74

D. Allelic

Answer 75

A. Fertilization

Answer 76

B. Pollination

Answer 77

C. Germination

Answer 78

D. Embryo development

Answer 79

A. Providing structural support

Answer 80

B. Regulating osmotic balance

Answer 81

C. Facilitating cell communication

Answer 82

D. Protecting against pathogens

Answer 83

A. Epidermis

Answer 84

A. Chlorophyll

Answer 85

B. Carotene

Answer 86

C. Xanthophyll

Answer 87

D. Phycobilin

Answer 88

A. Photosynthesis

Answer 89

B. Anchoring the plant and absorbing water and nutrients

Answer 90

C. Producing flowers and fruits

Answer 91

D. Transporting sugars

Answer 92

A. Regulation of blood sugar levels

Answer 93

B. Transportation of oxygen and carbon dioxide

Answer 94

C. Digestion of food

Answer 95

D. Filtration of blood

Answer 96

A. Bacteria

Answer 97

D. Protist

The smallest unit of a chemical element that retains the properties of that element is called:

Correct Answer :

Show all AP Biology MCQ

Related Questions

Which plant hormone is responsible for promoting cell elongation and growth in response to light?

Which of the following is NOT a method of preventing the spread of infectious diseases?

Which level of ecological organization includes all the biotic and abiotic factors in a given area?

The human heart has how many chambers?

Which term refers to the variety of life on Earth, including the diversity of species, ecosystems, and genetic variation within species?

Which of the following is NOT a method of bacterial reproduction?

Which type of survivorship curve is characterized by a high mortality rate in early life, followed by high survivorship in later life?

What is the largest organ in the human body?

What is the primary function of the mitochondria?

What is the name of the enzyme that unwinds and separates the DNA strands during replication?

What is the term for the process by which modern humans gradually replaced archaic humans, such as Neanderthals, through migration and competition?

What is the term for the process by which an animal forms a social attachment to another object or organism, often occurring shortly after birth?

In angiosperms, what is the female reproductive structure that contains the ovules?

What is the term for the study of human societies, cultures, and behaviors?

Which type of learning occurs when an animal associates a neutral stimulus with a meaningful stimulus to produce a response?

A human male has how many sex chromosomes?

What is the term for the process by which plants lose water vapor through small openings in their leaves?

In humans, which hormone is responsible for the development of secondary sexual characteristics in males?

Which hominid species is known for its use of fire and tools, and is believed to be the first to migrate out of Africa?

What is the main function of the kidneys in the human body?

What term describes the variety of different species in a particular habitat or ecosystem?

The study of the geographic distribution of species is known as:

What is the term for a gene that is expressed when present, even if only one copy is present in an individual's genotype?

What is the term for the transfer of pollen from the male reproductive organ to the female reproductive organ of a flower?

Which of the following is NOT a function of the cell wall in plant cells?

What type of plant tissue is responsible for transporting water and nutrients throughout the plant?

What is the primary pigment responsible for photosynthesis in plants?

What is the primary function of the root system in plants?

What is the main function of the respiratory system?

What type of microorganism is responsible for turning milk into yogurt and cheese?

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