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
Q

Multiple choice: Which of the following is NOT a function of proteins? A) Enzymatic activity B) Structural support C) Energy storage D) Genetic information

A

D) Genetic information

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26
Q

True or False: A mutation can lead to changes in an organism’s traits.

A

True

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27
Q

Fill in the blank: The __________ is the site of protein synthesis in the cell.

A

Ribosome

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28
Q

What is the role of the plasma membrane?

A

To control what enters and exits the cell.

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29
Q

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

A

D) All of the above

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30
Q

True or False: The sequence of nucleotides in DNA determines genetic information.

31
Q

Fill in the blank: __________ are the building blocks of proteins.

A

Amino acids

32
Q

What is osmosis?

A

The movement of water molecules through a semi-permeable membrane.

33
Q

Multiple choice: Which of the following is a form of asexual reproduction? A) Binary fission B) Budding C) Fragmentation D) All of the above

A

D) All of the above

34
Q

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

35
Q

Fill in the blank: The __________ system is responsible for transporting nutrients and oxygen throughout the body.

A

Circulatory

36
Q

What is homeostasis?

A

The maintenance of a stable internal environment.

37
Q

Multiple choice: Which organ is primarily responsible for filtering blood? A) Liver B) Heart C) Kidney D) Lung

38
Q

True or False: The large intestine absorbs nutrients from food.

39
Q

Fill in the blank: The __________ system is responsible for the production of hormones.

40
Q

What is the function of the respiratory system?

A

To exchange gases between the body and the environment.

41
Q

Multiple choice: Which part of the brain is responsible for balance and coordination? A) Cerebrum B) Cerebellum C) Brainstem D) Thalamus

A

B) Cerebellum

42
Q

True or False: The spinal cord is part of the peripheral nervous system.

43
Q

Fill in the blank: The __________ is the basic unit of heredity.

44
Q

What is a phenotype?

A

The observable characteristics of an organism.

45
Q

Multiple choice: Which of the following represents a homozygous genotype? A) Aa B) AA C) Ab D) aA

46
Q

True or False: Alleles are different forms of the same gene.

47
Q

Fill in the blank: The __________ is the part of the cell cycle where the cell grows and prepares for division.

A

Interphase

48
Q

What is the purpose of meiosis?

A

To produce gametes for sexual reproduction.

49
Q

Multiple choice: Which of the following is a type of RNA? A) mRNA B) tRNA C) rRNA D) All of the above

A

D) All of the above

50
Q

True or False: The process of transcription occurs in the nucleus.

51
Q

Fill in the blank: __________ is the process by which mRNA is translated into protein.

A

Translation

52
Q

What is genetic drift?

A

A change in allele frequency due to random sampling.

53
Q

Multiple choice: Which of the following is a mechanism of evolution? A) Natural selection B) Genetic drift C) Mutation D) All of the above

A

D) All of the above

54
Q

True or False: Evolution occurs in individuals.

55
Q

Fill in the blank: The __________ is a group of organisms that can interbreed and produce fertile offspring.

56
Q

What is an ecosystem?

A

A community of living organisms and their physical environment.

57
Q

Multiple choice: Which of the following is a biotic factor in an ecosystem? A) Water B) Soil C) Plants D) Temperature

58
Q

True or False: Decomposers break down dead organisms and recycle nutrients.

59
Q

Fill in the blank: The __________ is the role an organism plays in its environment.

60
Q

What is the primary source of energy for life on Earth?

61
Q

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

A) Bees pollinating flowers

62
Q

True or False: Biodiversity refers to the variety of life in an ecosystem.

63
Q

Fill in the blank: __________ are organisms that produce their own food through photosynthesis.

A

Autotrophs

64
Q

What is the greenhouse effect?

A

The warming of Earth due to greenhouse gases trapping heat.

65
Q

Multiple choice: Which gas is primarily responsible for climate change? A) Oxygen B) Carbon dioxide C) Nitrogen D) Hydrogen

A

B) Carbon dioxide

66
Q

True or False: Ecosystems are static and do not change over time.

67
Q

Fill in the blank: __________ is the process of converting nitrogen gas into a usable form for plants.

A

Nitrogen fixation

68
Q

What is the primary role of fungi in an ecosystem?

A

Decomposition

69
Q

Multiple choice: Which of the following is a primary consumer? A) Grass B) Rabbit C) Fox D) Eagle

70
Q

True or False: All ecosystems have a food chain.

71
Q

Fill in the blank: The highest level of organization in an ecosystem is the __________.

72
Q

What is an invasive species?

A

A non-native species that disrupts local ecosystems.

73
Q

Multiple choice: Which of the following factors can affect population size? A) Birth rate B) Death rate C) Immigration D) All of the above

A

D) All of the above