ai generated Flashcards

1
Q

What is the basic unit of life?

A

Cell

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2
Q

True or False: DNA stands for Deoxyribonucleic Acid.

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 organelle is known as the powerhouse of the cell?

A

Mitochondria

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5
Q

Multiple choice: Which of the following is NOT a type of cell? A) Prokaryotic B) Eukaryotic C) Viral D) Fungal

A

C) Viral

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6
Q

What is the function of ribosomes?

A

Protein synthesis

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7
Q

True or False: All living organisms are made up of cells.

A

True

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8
Q

Fill in the blank: The semi-permeable membrane surrounding the cell is called the __________.

A

Cell membrane

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9
Q

What is the role of chlorophyll in photosynthesis?

A

It absorbs light energy.

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10
Q

Multiple choice: Which of the following is a component of the cell theory? A) All cells arise from pre-existing cells B) Cells are the basic unit of life C) All living things are made up of cells D) All of the above

A

D) All of the above

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11
Q

What type of bond holds the DNA strands together?

A

Hydrogen bonds

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12
Q

True or False: Enzymes are proteins that speed up chemical reactions.

A

True

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13
Q

Fill in the blank: The __________ is the control center of the cell.

A

Nucleus

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14
Q

What process do cells undergo to divide?

A

Mitosis

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15
Q

Multiple choice: Which of the following is a product of photosynthesis? A) Oxygen B) Carbon dioxide C) Glucose D) Both A and C

A

D) Both A and C

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16
Q

What is the primary function of the cell wall?

A

To provide structure and support

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17
Q

True or False: Prokaryotic cells have a nucleus.

A

False

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18
Q

Fill in the blank: The __________ is responsible for packaging and distributing proteins.

A

Golgi apparatus

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19
Q

What is the significance of the scientific method?

A

It provides a systematic way to investigate and understand natural phenomena.

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20
Q

Multiple choice: Which of the following processes occurs in the mitochondria? A) Photosynthesis B) Cellular respiration C) Protein synthesis D) Cell division

A

B) Cellular respiration

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21
Q

What is the function of the lysosome?

A

To digest waste materials and cellular debris.

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22
Q

True or False: Genetic information is stored in RNA.

A

False

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23
Q

Fill in the blank: The __________ is a jelly-like substance within the cell.

A

Cytoplasm

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24
Q

What are the two main types of nucleic acids?

A

DNA and RNA

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25
Multiple choice: Which of the following is NOT a function of proteins? A) Enzymatic activity B) Structural support C) Energy storage D) Genetic information
D) Genetic information
26
True or False: A mutation can lead to changes in an organism's traits.
True
27
Fill in the blank: The __________ is the site of protein synthesis in the cell.
Ribosome
28
What is the role of the plasma membrane?
To control what enters and exits the cell.
29
Multiple choice: Which of the following is a function of the endoplasmic reticulum? A) Lipid synthesis B) Protein folding C) Detoxification D) All of the above
D) All of the above
30
True or False: The sequence of nucleotides in DNA determines genetic information.
True
31
Fill in the blank: __________ are the building blocks of proteins.
Amino acids
32
What is osmosis?
The movement of water molecules through a semi-permeable membrane.
33
Multiple choice: Which of the following is a form of asexual reproduction? A) Binary fission B) Budding C) Fragmentation D) All of the above
D) All of the above
34
True or False: The heart is part of the circulatory system.
True
35
Fill in the blank: The __________ system is responsible for transporting nutrients and oxygen throughout the body.
Circulatory
36
What is homeostasis?
The maintenance of a stable internal environment.
37
Multiple choice: Which organ is primarily responsible for filtering blood? A) Liver B) Heart C) Kidney D) Lung
C) Kidney
38
True or False: The large intestine absorbs nutrients from food.
False
39
Fill in the blank: The __________ system is responsible for the production of hormones.
Endocrine
40
What is the function of the respiratory system?
To exchange gases between the body and the environment.
41
Multiple choice: Which part of the brain is responsible for balance and coordination? A) Cerebrum B) Cerebellum C) Brainstem D) Thalamus
B) Cerebellum
42
True or False: The spinal cord is part of the peripheral nervous system.
False
43
Fill in the blank: The __________ is the basic unit of heredity.
Gene
44
What is a phenotype?
The observable characteristics of an organism.
45
Multiple choice: Which of the following represents a homozygous genotype? A) Aa B) AA C) Ab D) aA
B) AA
46
True or False: Alleles are different forms of the same gene.
True
47
Fill in the blank: The __________ is the part of the cell cycle where the cell grows and prepares for division.
Interphase
48
What is the purpose of meiosis?
To produce gametes for sexual reproduction.
49
Multiple choice: Which of the following is a type of RNA? A) mRNA B) tRNA C) rRNA D) All of the above
D) All of the above
50
True or False: The process of transcription occurs in the nucleus.
True
51
Fill in the blank: __________ is the process by which mRNA is translated into protein.
Translation
52
What is genetic drift?
A change in allele frequency due to random sampling.
53
Multiple choice: Which of the following is a mechanism of evolution? A) Natural selection B) Genetic drift C) Mutation D) All of the above
D) All of the above
54
True or False: Evolution occurs in individuals.
False
55
Fill in the blank: The __________ is a group of organisms that can interbreed and produce fertile offspring.
Species
56
What is an ecosystem?
A community of living organisms and their physical environment.
57
Multiple choice: Which of the following is a biotic factor in an ecosystem? A) Water B) Soil C) Plants D) Temperature
C) Plants
58
True or False: Decomposers break down dead organisms and recycle nutrients.
True
59
Fill in the blank: The __________ is the role an organism plays in its environment.
Niche
60
What is the primary source of energy for life on Earth?
The Sun
61
Multiple choice: Which of the following is an example of mutualism? A) Bees pollinating flowers B) A lion hunting a zebra C) A tick feeding on a dog D) A bird eating insects off a cow
A) Bees pollinating flowers
62
True or False: Biodiversity refers to the variety of life in an ecosystem.
True
63
Fill in the blank: __________ are organisms that produce their own food through photosynthesis.
Autotrophs
64
What is the greenhouse effect?
The warming of Earth due to greenhouse gases trapping heat.
65
Multiple choice: Which gas is primarily responsible for climate change? A) Oxygen B) Carbon dioxide C) Nitrogen D) Hydrogen
B) Carbon dioxide
66
True or False: Ecosystems are static and do not change over time.
False
67
Fill in the blank: __________ is the process of converting nitrogen gas into a usable form for plants.
Nitrogen fixation
68
What is the primary role of fungi in an ecosystem?
Decomposition
69
Multiple choice: Which of the following is a primary consumer? A) Grass B) Rabbit C) Fox D) Eagle
B) Rabbit
70
True or False: All ecosystems have a food chain.
True
71
Fill in the blank: The highest level of organization in an ecosystem is the __________.
Biosphere
72
What is an invasive species?
A non-native species that disrupts local ecosystems.
73
Multiple choice: Which of the following factors can affect population size? A) Birth rate B) Death rate C) Immigration D) All of the above
D) All of the above