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Combined Science > Biology > Flashcards

Biology Flashcards

(80 cards)

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1
Q

What is the basic unit of life?

A

Cell

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2
Q

True or False: Atoms are the smallest unit of matter.

A

True

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3
Q

Fill in the blank: The process by which plants make their own food is called _______.

A

Photosynthesis

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4
Q

What is the chemical formula for water?

A

H2O

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5
Q

What are the three states of matter?

A

Solid, Liquid, Gas

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6
Q

Which gas do plants absorb from the atmosphere?

A

Carbon Dioxide

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7
Q

True or False: The nucleus is found in prokaryotic cells.

A

False

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8
Q

What is the function of the mitochondria?

A

Powerhouse of the cell, produces energy

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9
Q

Which part of the plant is responsible for water absorption?

A

Roots

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10
Q

What is the pH range of acids?

A

Less than 7

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11
Q

What is the main function of red blood cells?

A

Transport oxygen

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12
Q

Fill in the blank: The process of converting a liquid into a gas is called _______.

A

Evaporation

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13
Q

What is the primary function of the large intestine?

A

Absorb water and electrolytes

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14
Q

What is the formula for calculating the density of an object?

A

Density = Mass / Volume

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15
Q

True or False: The heart is part of the digestive system.

A

False

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16
Q

What type of bond involves the sharing of electron pairs?

A

Covalent bond

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17
Q

What is the primary greenhouse gas contributing to climate change?

A

Carbon Dioxide

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18
Q

What organelle is responsible for protein synthesis?

A

Ribosome

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19
Q

Fill in the blank: The _______ system is responsible for transporting nutrients and gases in the body.

A

Circulatory

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20
Q

What is the term for a substance that speeds up a chemical reaction?

A

Catalyst

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21
Q

What is the main component of cell membranes?

A

Phospholipids

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22
Q

True or False: DNA is a type of protein.

A

False

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23
Q

What is the process by which organisms maintain a stable internal environment called?

A

Homeostasis

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24
Q

Which organ is primarily responsible for detoxifying chemicals in the body?

A

Liver

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25
What is the formula for photosynthesis?
6CO2 + 6H2O -> C6H12O6 + 6O2
26
What type of symmetry do humans exhibit?
Bilateral symmetry
27
Fill in the blank: The _______ is the basic unit of heredity.
Gene
28
What is the main function of the nervous system?
Control and coordinate body activities
29
Which part of the brain is responsible for balance and coordination?
Cerebellum
30
True or False: All living organisms are made up of cells.
True
31
What is the primary role of enzymes in biological reactions?
Speed up chemical reactions
32
What type of energy is stored in the bonds of molecules?
Chemical energy
33
What is the main gas released by animals during respiration?
Carbon Dioxide
34
Fill in the blank: The _______ is the powerhouse of the cell.
Mitochondria
35
What is the term for the movement of water across a semipermeable membrane?
Osmosis
36
What type of organism can produce its own food?
Autotroph
37
True or False: The Earth's atmosphere is primarily composed of oxygen.
False
38
What is the primary function of the ribosomes?
Protein synthesis
39
What is the name of the process by which cells divide?
Cell division
40
Fill in the blank: The _______ is responsible for the transport of oxygen in the blood.
Hemoglobin
41
What is the main source of energy for the Earth?
The Sun
42
What type of reaction involves the breaking down of molecules?
Catabolic reaction
43
True or False: All enzymes are proteins.
True
44
What is the main function of the skeletal system?
Support and protect the body
45
What is the term for the study of living organisms?
Biology
46
Fill in the blank: The _______ is the control center of the cell.
Nucleus
47
What is the primary function of the respiratory system?
Exchange of gases
48
What is the name of the pigment that captures sunlight in plants?
Chlorophyll
49
What is the main component of the cell wall in plants?
Cellulose
50
True or False: A virus is considered a living organism.
False
51
What is the main role of the endocrine system?
Regulate hormones
52
What is the process called when a solid changes directly to a gas?
Sublimation
53
Fill in the blank: The _______ system is responsible for producing offspring.
Reproductive
54
What is the main purpose of the scientific method?
To investigate and answer questions
55
Which type of bond involves the transfer of electrons?
Ionic bond
56
What is the term for the variety of life in the world or a particular habitat?
Biodiversity
57
True or False: Plants are heterotrophs.
False
58
What is the primary function of the immune system?
Protect against disease
59
What is the chemical formula for glucose?
C6H12O6
60
Fill in the blank: The _______ is responsible for filtering blood in the body.
Kidney
61
What type of energy is associated with motion?
Kinetic energy
62
What is the name of the process by which water evaporates from leaves?
Transpiration
63
True or False: All cells have a nucleus.
False
64
What is the main function of the integumentary system?
Protect the body
65
What is the name of the process where cells convert glucose into energy?
Cellular respiration
66
Fill in the blank: The _______ is the basic unit of structure and function in living organisms.
Cell
67
What is the main component of air?
Nitrogen
68
What is the role of chloroplasts in plant cells?
Site of photosynthesis
69
True or False: Fungi are classified as plants.
False
70
What is the primary function of the circulatory system?
Transport nutrients and oxygen
71
What is the term for the genetic makeup of an organism?
Genotype
72
Fill in the blank: The _______ is the outer layer of the skin.
Epidermis
73
What is the main purpose of a control group in an experiment?
To provide a standard for comparison
74
What is the chemical formula for carbon dioxide?
CO2
75
True or False: The stomach is part of the respiratory system.
False
76
What is the primary role of the small intestine?
Nutrient absorption
77
What is the term for a change in a species over time?
Evolution
78
Fill in the blank: The _______ is the part of the brain that controls breathing.
Medulla oblongata
79
What is the main function of the lymphatic system?
Transport lymph and help immune function
80
What is the term for the energy stored in an object due to its position?
Potential energy

Combined Science (2 decks)

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