What is regeneration?

The ability to regrow a missing part

The passing of traits from parents to offspring

What are the three main types of plate boundaries?

Convergent, Divergent, Transform

What is concrete made of?

Cement (powder) + water + aggregates (rocks, gravel, etc.)

The molecule that carries genetic information

The amount of dissolved salt in the water

What is air pressure determined by?

Amount of collisions particles make with surroundings

A segment of DNA that codes for a protein

What are the stages of mitosis?

Prophase, metaphase, anaphase, telophase

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Biology Basics

111 termsStudBud Administration

Test your knowledge on fundamental concepts in biology, from cells and DNA to genetics and ecosystems.

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Questions 111

Answers

1
Where is DNA found in eukaryotic cells?
In the cell membrane
In the nucleus
In the ribosomes
In the cytoplasm
2
What is the control center of the cell?
Mitochondria
Endoplasmic reticulum
Cytoplasm
Nucleus
3
Which biome is characterized by extreme temperatures, low rainfall, and specialized vegetation?
Tropical Forest
Desert
Tundra
Grassland
4
What is the basic unit of matter called?
Proton
Atom
Neutron
Electron
5
What are the four basic needs of living things?
Water, shelter, energy, soil
Food, air, energy, space
Light, heat, water, air
Food, water, shelter, air
6
What is the main component of Earth's atmosphere?
Oxygen
Hydrogen
Nitrogen
Carbon dioxide
7
What organelle is known as the 'powerhouse' of the cell?
Ribosome
Mitochondria
Nucleus
Endoplasmic reticulum
8
What is regeneration?
The study of plant genetics
The process of creating new genes
The ability to regrow a missing part
The formation of new ecosystems
9
Mass is the same on the moon.
False
True
10
Which system is responsible for protecting the body from diseases and infections?
Circulatory system
Immune system
Endocrine system
Nervous system
11
What is the layer of Earth's atmosphere that contains weather called?
Thermosphere
Mesosphere
Stratosphere
Troposphere
12
What is the pH scale used to measure?
Density
Acidity
Acceleration
Velocity
13
Which type of cell division produces two cells with the same DNA?
Meiosis
Interphase
Mitosis
Anaphase
14
What is heredity?
The process of cell division
The study of rocks and minerals
The formation of new species
The passing of traits from parents to offspring
15
What is heredity?
Environmental adaptation
Cell division process
Passing traits to offspring
Changing DNA structure
16
What is a food chain?
Water cycle
Plant growth cycle
Energy production process
Who eats whom
17
Which biome is characterized by extreme temperatures and low rainfall?
Tropical Forest
Forest
Desert
Grassland
18
Which of the following is a good insulator of heat?
Wood
Steel
Copper
Aluminum
19
What is the protective outer layer of a cell called?
Ribosomes
Mitochondria
Nucleus
Cell Membrane
20
What is the basic unit of matter?
Atom
Molecule
Element
Proton
21
What are the three main types of plate boundaries?
Convergent, Divergent, Transform
Divergent, Parallel, Transform
Convergent, Divergent, Parallel
Convergent, Parallel, Transform
22
What organelle produces ATP?
Ribosome
Chloroplast
Mitochondria
Nucleus
23
What type of variable is changed during an experiment?
Dependent variable
Independent variable
Control variable
Constant variable
24
Mitosis produces gametes with half the DNA.
False
True
25
What is the structure found in the nucleus of most living cells, carrying genetic information in the form of genes?
Chromosome
Mitochondria
Vacuoles
Ribosomes
26
What is the main energy molecule used by cells?
ATP
Glucose
NADH
FADH2
27
What law explains that an object in motion stays in motion unless acted upon?
Newton's Second Law
Newton's Third Law
Newton's First Law
Law of Gravity
28
What is homeostasis?
Growth and reproduction
Stable internal environment
Cell division
Energy production
29
What is the lowest level of the food web where plants and algae produce energy from the sun?
Ecosystem
Producers
Secondary consumer
Primary consumer
30
What two gases mostly make up the atmosphere?
Hydrogen and nitrogen
Nitrogen and oxygen
Oxygen and argon
Carbon dioxide and helium
31
What is the marine system with a high level of diversity called?
Coral Reef
Grassland
Tundra
Lake
32
Which biome is characterized by hot and wet conditions with an extremely high diversity of species?
Desert
Grassland
Tundra
Tropical Forest
33
Which of the following is a good conductor of electricity?
Plastic
Glass
Copper
Rubber
34
What are rocks collections of?
Air
Sand
Water
Minerals
35
What is the lowest level of the food web where energy is produced from the sun?
Ecosystem
Producers
Primary consumer
Secondary consumer
36
What is the process by which water changes from a liquid to a gas at temperatures below its boiling point?
Boiling
Freezing
Evaporation
Condensation
37
What is concrete made of?
Cement + rocks + water
Cement + sand + water
Cement (powder) + water + aggregates (rocks, gravel, etc.)
Cement + clay + water
38
What is DNA?
The molecule that controls cell division
The molecule that captures sunlight
The molecule that makes proteins
The molecule that carries genetic information
39
What is salinity?
The amount of dissolved salt in the water
The amount of dissolved sand in the water
The amount of dissolved sugar in the water
The amount of dissolved oil in the water
40
What is the process of converting water vapor into a liquid form that falls from the sky called?
Sublimation
Evaporation
Transpiration
Condensation
41
What is the purpose of the scientific method's observation step?
Collect data
Develop questions
Control variables
Propose explanations
42
What is air pressure determined by?
Temperature only
Wind speed
Amount of collisions particles make with surroundings
Amount of oxygen in the air
43
Which part of the plant is responsible for absorbing water and nutrients from the soil?
Flowers
Roots
Stem
Leaves
44
What is a gene?
A structure found in the nucleus
A segment of DNA that codes for a protein
A type of cell in the body
A type of protein in the body
45
What is the process by which plants absorb energy for photosynthesis?
Transpiration
Respiration
Chlorophyll breakdown
Chlorophyll absorption
46
Which organ is responsible for pumping blood throughout the body?
Heart
Lungs
Liver
Kidneys
47
What is the primary reason our body sweats?
To gain weight
To tan
To cool down
To smell good
48
What is the force that moves mass over a distance called?
Motion
Work
Power
Energy
49
What are the stages of mitosis?
Interphase, prophase, telophase, cytokinesis
Cytokinesis, anaphase, prophase, metaphase
Anaphase, telophase, metaphase, prophase
Prophase, metaphase, anaphase, telophase
50
Which organelle is known as the 'suicide sac' of the cell?
Golgi apparatus
Vacuole
Lysosome
Ribosome
51
What is diffusion?
Movement from high to low
Photosynthesis process
Cellular respiration
Movement from low to high
52
What is the purpose of the scientific method's hypothesis step?
Collect data to demonstrate if the hypothesis is false or not
Scientists repeatedly testing the same hypothesis
Proposed explanation based on limited evidence for further investigation
Develop questions and complete research
53
What are the components of the hydrosphere?
Saltwater: oceans
Saltwater: lakes
Freshwater: rivers
Freshwater: clouds
54
What is the process of breaking down food into smaller molecules for the body to absorb called?
Circulation
Excretion
Respiration
Digestion
55
What is a recessive allele?
Hidden when dominant present
Only in females
Shows trait with one copy
Always visible
56
Which planet is most similar to Earth?
Mercury
Jupiter
Venus
Mars
57
What is the aurora borealis (northern lights) caused by?
Charged particles from the Sun
Earthquakes
Volcanic eruptions
Tornadoes
58
What is concrete primarily made of?
Cement + water + aggregates
Cement + water + gravel
Cement + water + rocks
Cement + water + sand
59
What is a gene?
A type of protein
A chromosome structure
A cell type
A segment of DNA
60
Which of the following is a renewable source of energy?
Solar
Oil
Coal
Natural Gas
61
Which type of cell does not have a nucleus, like algae or bacteria?
Ribosomes
Mitochondria
Eukaryotic
Prokaryotic
62
What is the first step of the scientific method?
Ask a question
Conduct an experiment
Form a hypothesis
Draw conclusions
63
Which of the following is a state of matter with a definite shape and volume?
Solid
Gas
Plasma
Liquid
64
What type of matter has molecules that are widely spread and can change both shape and volume?
Gas
Plasma
Liquid
Solid
65
What is the largest organ in the human body?
Heart
Liver
Skin
Lungs
66
What is the unit of measurement for force in the International System of Units (SI)?
Watt
Newton
Pascal
Joule
67
Which type of molecule stores the genetic information needed for an organism to function?
Nucleic Acid
Protein
Lipid
Carbohydrate
68
What is the process of water changing from a liquid to a gas on Earth's surface called?
Circulation
Precipitation
Evaporation
Condensation
69
Which molecule stores genetic information needed for an organism to function?
Nucleic Acid
Carbohydrate
RNA
Protein
70
What is an ecosystem?
Single organism
Community of organisms
Only plants
Only animals
71
The study of hydrology focuses on land formations.
False
True
72
The water cycle involves water changing from a gas to a liquid.
True
False
73
What is the SI unit of frequency?
Joule
Watt
Hertz
Newton
74
What are the four Earth systems?
Atmosphere
Lithosphere/Geosphere
Biosphere
Hydrosphere
75
What are the layers of the atmosphere?
Thermosphere - Mesosphere - Stratosphere - Troposphere
Exosphere - Thermosphere - Mesosphere - Stratosphere
Exosphere - Mesosphere - Stratosphere - Troposphere
Exosphere - Thermosphere - Mesosphere - Stratosphere - Troposphere
76
What is the outer boundary of the cell that regulates what enters and exits?
Cell wall
Nucleus
Cytoplasm
Cell membrane
77
What are the layers of the lithosphere?
Crust - Outer core - Inner core
Crust - Mantle - Outer core - Inner core
Crust - Mantle - Core
Mantle - Outer core - Inner core
78
What is the purpose of the scientific method's independent variable step?
Factors influenced by the independent variable
Collect data to demonstrate if the hypothesis is false or not
Does not receive the treatment
Controlled by the experiment
79
What is the basic unit of life?
Molecule
Tissue
Atom
Cell
80
What causes the formation of fossils?
Animal bones in water/mud/silt
Volcanic eruptions
Meteor showers
Tornadoes
81
What are the stages of mitosis?
Prophase, anaphase, telophase, cytokinesis
Interphase, prophase, anaphase, cytokinesis
Prophase, metaphase, anaphase, telophase
Metaphase, anaphase, telophase, interphase
82
What process do plants use to make food?
Fermentation
Respiration
Transpiration
Photosynthesis
83
What is the difference between rocks and minerals?
Minerals are crystalline compounds
Minerals are inorganic
Rocks are collections of minerals
Minerals are naturally occurring
84
True or False: Humans have 46 chromosomes.
True
False
85
What are the layers of the lithosphere?
Mantle [liquid]
Outer core [liquid]
Crust [solid]
Inner core [solid]
86
What is the main source of energy for plants that is stored from sunlight as sugar?
Lipid
Carbohydrate
Sugars
Protein
87
What two gases mostly make up the atmosphere?
Nitrogen and oxygen
Hydrogen and neon
Carbon dioxide and helium
Methane and argon
88
What is a dominant allele?
Only in males
Shows trait with one copy
Only shows if two copies
Always hidden
89
What is the definition of mass in an object?
Rate of position change
Force of gravity
Distance between locations
Amount of matter
90
Is the Earth's lithosphere its most outer layer?
True
False
91
What is the process by which a neutral atom becomes a positive ion called?
Decomposition
Ionization
Fusion
Oxidation
92
Which biome has the greatest diversity of species?
Desert
Grassland
Tundra
Tropical rainforest
93
What is the powerhouse of the cell?
Ribosome
Endoplasmic reticulum
Mitochondria
Nucleus
94
What is an ecosystem?
A community of organisms and their environment
A laboratory for genetic experiments
A type of genetic mutation
A process of cell division
95
Which organelle is responsible for detoxifying harmful substances in the cell?
Lysosome
Smooth endoplasmic reticulum
Vacuole
Golgi apparatus
96
What is the powerhouse of the cell?
Nucleus
Mitochondria
Ribosome
Golgi apparatus
97
Which organelle is responsible for protein synthesis?
Lysosome
Ribosome
Vacuole
Golgi apparatus
98
What is the fluid that fills the cell and surrounds the organelles?
Mitochondria
Cytoplasm
Ribosome
Nucleus
99
Which layer of Earth is liquid and responsible for Earth's magnetic field?
Inner core
Mantle
Crust
Outer core
100
What is the purpose of the scientific method's experiment step?
Controlled by the experiment
Does not receive the treatment
Factors influenced by the independent variable
Collect data to demonstrate if the hypothesis is false or not
101
Which body part is responsible for removing nitrogen in animals?
Liver
Heart
Lung
Kidney
102
What is the difference between rocks and minerals?
Minerals are inorganic, naturally occurring, crystalline compounds
Rocks are collections of minerals
Rocks are inorganic
Minerals are organic compounds
103
What is the process by which plants make their own food called?
Photosynthesis
Digestion
Respiration
Fermentation
104
What are the two main types of cells?
Prokaryotic and eukaryotic
Plant and animal
Single-celled and multicellular
Bacterial and viral
105
Which law states that an object at rest will stay at rest unless acted upon by a force?
Newton's First Law
Newton's Third Law
Newton's Second Law
Newton's Fourth Law
106
What is the definition of weight in an object?
Distance between initial and final location
Force of gravitational pull on an object
How quickly something is going
Rate at which an object changes position
107
What is osmosis?
Movement of nutrients
Diffusion of water
Cell division process
Gas exchange
108
What is the purpose of the scientific method's theory step?
Develop questions and complete research
Scientists repeatedly testing the same hypothesis
Proposed explanation based on limited evidence for further investigation
Collect data to demonstrate if the hypothesis is false or not
109
What is the biome with the greatest diversity of species?
Desert
Grassland
Tropical Rainforest
Tundra
110
What is the SI unit of electric current?
Ampere
Ohm
Watt
Volt
111
What gas do plants release during photosynthesis?
Carbon dioxide
Nitrogen
Hydrogen
Oxygen

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