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1
Q

What is the basic unit of life?

A

Cell

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2
Q

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

A

True

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3
Q

Fill in the blank: The process by which cells divide to form new cells is called _______.

A

Mitosis

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4
Q

What is the function of the cell membrane?

A

To control the movement of substances in and out of the cell

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5
Q

What is photosynthesis?

A

The process by which green plants use sunlight to synthesize foods from carbon dioxide and water

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6
Q

Which organelle is known as the powerhouse of the cell?

A

Mitochondria

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7
Q

What is the role of ribosomes?

A

To synthesize proteins

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8
Q

Multiple Choice: Which of the following is not a part of the cell theory? A) All living things are made of cells B) Cells are the basic unit of life C) Cells can arise from non-living matter D) All cells come from pre-existing cells

A

C) Cells can arise from non-living matter

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9
Q

What is the function of chloroplasts?

A

To conduct photosynthesis

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10
Q

True or False: Prokaryotic cells have a nucleus.

A

False

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11
Q

What is the main purpose of the cell wall in plant cells?

A

To provide structure and support

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12
Q

Fill in the blank: The genetic material in cells is called _______.

A

DNA

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13
Q

What are enzymes?

A

Biological catalysts that speed up chemical reactions in the body

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14
Q

How do enzymes work?

A

By lowering the activation energy of a reaction

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15
Q

Multiple Choice: What affects enzyme activity? A) Temperature B) pH C) Substrate concentration D) All of the above

A

D) All of the above

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16
Q

What is the role of the nucleus in a cell?

A

To store genetic information and control cell activities

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17
Q

True or False: All cells have the same structure and function.

A

False

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18
Q

What is the function of the vacuole in plant cells?

A

To store nutrients and waste products

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19
Q

Fill in the blank: The process by which DNA is copied to RNA is called _______.

A

Transcription

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20
Q

What is the function of the Golgi apparatus?

A

To modify, sort, and package proteins and lipids

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21
Q

Multiple Choice: Which type of cell division results in two identical daughter cells? A) Meiosis B) Mitosis C) Binary fission D) Budding

A

B) Mitosis

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22
Q

What is the role of the smooth endoplasmic reticulum?

A

To synthesize lipids and detoxify certain chemicals

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23
Q

True or False: Animal cells have a cell wall.

A

False

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24
Q

What is the primary function of the circulatory system?

A

To transport nutrients, gases, and waste products throughout the body

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25
Fill in the blank: The process of converting glucose into energy is called _______.
Cellular respiration
26
What are the main components of blood?
Red blood cells, white blood cells, platelets, and plasma
27
Multiple Choice: Which type of blood cell is responsible for oxygen transport? A) White blood cells B) Platelets C) Red blood cells D) Plasma
C) Red blood cells
28
What is the function of the immune system?
To protect the body from pathogens and diseases
29
True or False: Antibodies are produced by white blood cells.
True
30
What is homeostasis?
The maintenance of stable internal conditions in an organism
31
Fill in the blank: The process by which organisms maintain homeostasis is called _______.
Regulation
32
What is the role of the nervous system?
To transmit signals between different parts of the body and coordinate responses
33
Multiple Choice: Which part of the brain is responsible for coordination and balance? A) Cerebrum B) Cerebellum C) Brainstem D) Thalamus
B) Cerebellum
34
What is the function of hormones?
To regulate various functions in the body, such as growth and metabolism
35
True or False: The endocrine system uses hormones to communicate between cells.
True
36
Fill in the blank: The main organ of the respiratory system is the _______.
Lungs
37
What is the primary function of the respiratory system?
To exchange gases (oxygen and carbon dioxide) between the body and the environment
38
Multiple Choice: Which structure is responsible for gas exchange in the lungs? A) Bronchi B) Alveoli C) Trachea D) Diaphragm
B) Alveoli
39
What is the role of the digestive system?
To break down food into nutrients that can be absorbed by the body
40
True or False: The stomach is the primary site of nutrient absorption.
False
41
Fill in the blank: The process of breaking down food mechanically and chemically is called _______.
Digestion
42
What are the main organs of the excretory system?
Kidneys, ureters, bladder, and urethra
43
Multiple Choice: Which organ filters waste from the blood? A) Liver B) Stomach C) Kidney D) Heart
C) Kidney
44
What is the main purpose of the reproductive system?
To produce offspring
45
True or False: The male reproductive system produces eggs.
False
46
Fill in the blank: The female reproductive organ that produces eggs is called the _______.
Ovary
47
What is genetic variation?
Differences in DNA among individuals in a population
48
Multiple Choice: Which process leads to genetic variation during sexual reproduction? A) Mitosis B) Meiosis C) Binary fission D) Budding
B) Meiosis
49
What is the role of DNA in genetics?
To store and transmit genetic information
50
True or False: Genes are segments of DNA that code for proteins.
True
51
Fill in the blank: The observable characteristics of an organism are referred to as its _______.
Phenotype
52
What is a mutation?
A change in the DNA sequence that can lead to changes in traits
53
Multiple Choice: Which type of trait is expressed only when two recessive alleles are present? A) Dominant B) Recessive C) Codominant D) Incomplete dominance
B) Recessive
54
What is natural selection?
The process by which organisms better adapted to their environment tend to survive and produce more offspring
55
True or False: Evolution is a gradual process that occurs over many generations.
True
56
Fill in the blank: The study of heredity is known as _______.
Genetics
57
What is the difference between an ecosystem and a community?
An ecosystem includes both living organisms and their physical environment, while a community consists only of the living organisms.
58
Multiple Choice: Which of the following is a biotic factor in an ecosystem? A) Water B) Temperature C) Plants D) Soil
C) Plants
59
What is the primary source of energy for most ecosystems?
The Sun
60
True or False: Decomposers play a crucial role in recycling nutrients in an ecosystem.
True
61
Fill in the blank: A group of organisms of the same species living in the same area is called a _______.
Population
62
What is a food chain?
A sequence that shows the feeding relationships between organisms in an ecosystem
63
Multiple Choice: Which trophic level includes herbivores? A) Primary producers B) Primary consumers C) Secondary consumers D) Tertiary consumers
B) Primary consumers
64
What is biodiversity?
The variety of life in the world or in a particular habitat or ecosystem
65
True or False: Habitat destruction is a major threat to biodiversity.
True
66
Fill in the blank: The maximum population size that an environment can sustain is called _______.
Carrying capacity
67
What is an invasive species?
A non-native species that disrupts the ecosystem balance
68
Multiple Choice: Which of the following is a greenhouse gas? A) Oxygen B) Nitrogen C) Carbon dioxide D) Helium
C) Carbon dioxide
69
What is the greenhouse effect?
The trapping of heat in the Earth's atmosphere by greenhouse gases
70
True or False: Climate change is solely caused by natural processes.
False
71
Fill in the blank: The process of converting nitrogen gas into a usable form for plants is called _______.
Nitrogen fixation

Biology (11 decks)

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