Life Processes Flashcards
(136 cards)
1
Q
What are the basic life processes essential for survival?
A
Nutrition, respiration, transportation, excretion, reproduction, and growth.
2
Q
True or False: Nutrition is the process of obtaining food and using it for energy.
A
True
3
Q
Fill in the blank: The process by which living organisms obtain energy from food is called __________.
A
respiration
4
Q
What is the primary function of the circulatory system?
A
To transport nutrients, gases, hormones, and waste products throughout the body.
5
Q
What are the two main types of nutrition?
A
Autotrophic and heterotrophic nutrition.
6
Q
Which process involves the removal of waste products from the body?
A
Excretion
7
Q
True or False: Photosynthesis is a type of autotrophic nutrition.
A
True
8
Q
What is the role of chlorophyll in photosynthesis?
A
Chlorophyll absorbs light energy, which is used to convert carbon dioxide and water into glucose.
9
Q
Define respiration.
A
Respiration is the biochemical process in which cells convert glucose and oxygen into energy, carbon dioxide, and water.
10
Q
What is aerobic respiration?
A
Respiration that requires oxygen to produce energy.
11
Q
What is anaerobic respiration?
A
Respiration that occurs without oxygen, producing less energy and byproducts like alcohol or lactic acid.
12
Q
Fill in the blank: The __________ is responsible for transporting oxygen in the blood.
A
hemoglobin
13
Q
What are the main components of blood?
A
Red blood cells, white blood cells, platelets, and plasma.
14
Q
True or False: The heart is a muscular organ that pumps blood throughout the body.
A
True
15
Q
What is the function of the kidneys?
A
To filter waste products from the blood and regulate water and salt balance.
16
Q
Define excretion.
A
Excretion is the process of removing metabolic waste products from the body.
17
Q
What is the main waste product excreted by the kidneys?
A
Urea
18
Q
What is the significance of reproduction in living organisms?
A
Reproduction ensures the continuation of a species.
19
Q
What are the two main types of reproduction?
A
Asexual and sexual reproduction.
20
Q
Fill in the blank: In asexual reproduction, offspring are produced from __________.
A
a single parent
21
Q
True or False: Growth is a permanent increase in size and mass of an organism.
A
True
22
Q
What is the process of converting food into energy called?
A
Metabolism
23
Q
What is the role of enzymes in biological processes?
A
Enzymes act as catalysts to speed up chemical reactions in the body.
24
Q
What is the difference between autotrophs and heterotrophs?
A
Autotrophs produce their own food, while heterotrophs obtain food from other organisms.
25
What is the main energy currency of the cell?
ATP (adenosine triphosphate)
26
Name one example of a heterotrophic organism.
Humans
27
What is the primary function of the respiratory system?
To facilitate gas exchange, bringing oxygen into the body and removing carbon dioxide.
28
Fill in the blank: The __________ system is responsible for transporting nutrients and waste.
circulatory
29
What is aerobic respiration's chemical equation?
C6H12O6 + 6O2 → 6CO2 + 6H2O + energy (ATP)
30
What is the role of stomata in plants?
Stomata are openings that allow gas exchange for photosynthesis and respiration.
31
True or False: All living organisms undergo photosynthesis.
False
32
What is the primary purpose of digestion?
To break down food into smaller molecules that can be absorbed by the body.
33
What is the main organ involved in digestion?
The stomach
34
Fill in the blank: __________ is the process by which cells use glucose and oxygen to produce energy.
Cellular respiration
35
What are the end products of anaerobic respiration in yeast?
Ethanol and carbon dioxide.
36
What is the main function of the small intestine?
To absorb nutrients from digested food.
37
True or False: The large intestine is primarily responsible for nutrient absorption.
False
38
What is the function of the liver in metabolism?
The liver processes nutrients, detoxifies harmful substances, and produces bile.
39
Fill in the blank: __________ are the basic structural and functional units of life.
Cells
40
What is the process by which plants convert sunlight into chemical energy?
Photosynthesis
41
What is the significance of the carbon cycle?
It regulates the levels of carbon dioxide and oxygen in the atmosphere.
42
True or False: All organisms perform cellular respiration.
True
43
What is the main purpose of reproduction?
To ensure the survival of a species.
44
What organ is primarily responsible for filtering blood?
Kidneys
45
What is the main waste product of protein metabolism?
Urea
46
Fill in the blank: __________ is the term for the uptake of nutrients by cells.
Absorption
47
What is the role of the diaphragm in respiration?
The diaphragm contracts and relaxes to help draw air into and push air out of the lungs.
48
What is the main function of the respiratory system?
To facilitate the exchange of oxygen and carbon dioxide.
49
True or False: Organisms can survive without performing any life processes.
False
50
What is the role of mitochondria in cells?
Mitochondria are the sites of aerobic respiration and energy production.
51
What is the primary role of the skeletal system?
To provide structure and support to the body.
52
Fill in the blank: __________ is the process by which organisms grow and develop.
Development
53
What is the importance of enzymes in digestion?
Enzymes speed up the breakdown of food into absorbable molecules.
54
What is the role of the pancreas in digestion?
The pancreas produces digestive enzymes and hormones like insulin.
55
True or False: All cells are capable of reproducing.
False
56
What is the function of the cell membrane?
To protect the cell and regulate the movement of substances in and out.
57
Fill in the blank: __________ is the process of converting light energy into chemical energy.
Photosynthesis
58
What is the role of the large intestine?
To absorb water and electrolytes from indigestible food matter.
59
What is the term for the breakdown of glucose in the absence of oxygen?
Fermentation
60
True or False: All living organisms require water to survive.
True
61
What is the primary role of the nervous system?
To coordinate and control body activities by transmitting signals.
62
What is the main function of the reproductive system?
To produce gametes and facilitate reproduction.
63
Fill in the blank: __________ is the process by which an organism increases in size.
Growth
64
What is the role of the skeletal system in movement?
It provides a framework for muscles to pull against.
65
What is the significance of cellular respiration?
It provides energy for cellular processes.
66
True or False: Plants perform both photosynthesis and respiration.
True
67
What is the function of the endocrine system?
To regulate bodily functions through hormones.
68
Fill in the blank: __________ is the process through which organisms respond to their environment.
Sensitivity
69
What are the basic life processes essential for survival?
Nutrition, respiration, transportation, excretion, reproduction, and growth.
70
True or False: Nutrition is the process of obtaining food and using it for energy.
True
71
Fill in the blank: The process by which living organisms obtain energy from food is called __________.
respiration
72
What is the primary function of the circulatory system?
To transport nutrients, gases, hormones, and waste products throughout the body.
73
What are the two main types of nutrition?
Autotrophic and heterotrophic nutrition.
74
Which process involves the removal of waste products from the body?
Excretion
75
True or False: Photosynthesis is a type of autotrophic nutrition.
True
76
What is the role of chlorophyll in photosynthesis?
Chlorophyll absorbs light energy, which is used to convert carbon dioxide and water into glucose.
77
Define respiration.
Respiration is the biochemical process in which cells convert glucose and oxygen into energy, carbon dioxide, and water.
78
What is aerobic respiration?
Respiration that requires oxygen to produce energy.
79
What is anaerobic respiration?
Respiration that occurs without oxygen, producing less energy and byproducts like alcohol or lactic acid.
80
Fill in the blank: The __________ is responsible for transporting oxygen in the blood.
hemoglobin
81
What are the main components of blood?
Red blood cells, white blood cells, platelets, and plasma.
82
True or False: The heart is a muscular organ that pumps blood throughout the body.
True
83
What is the function of the kidneys?
To filter waste products from the blood and regulate water and salt balance.
84
Define excretion.
Excretion is the process of removing metabolic waste products from the body.
85
What is the main waste product excreted by the kidneys?
Urea
86
What is the significance of reproduction in living organisms?
Reproduction ensures the continuation of a species.
87
What are the two main types of reproduction?
Asexual and sexual reproduction.
88
Fill in the blank: In asexual reproduction, offspring are produced from __________.
a single parent
89
True or False: Growth is a permanent increase in size and mass of an organism.
True
90
What is the process of converting food into energy called?
Metabolism
91
What is the role of enzymes in biological processes?
Enzymes act as catalysts to speed up chemical reactions in the body.
92
What is the difference between autotrophs and heterotrophs?
Autotrophs produce their own food, while heterotrophs obtain food from other organisms.
93
What is the main energy currency of the cell?
ATP (adenosine triphosphate)
94
Name one example of a heterotrophic organism.
Humans
95
What is the primary function of the respiratory system?
To facilitate gas exchange, bringing oxygen into the body and removing carbon dioxide.
96
Fill in the blank: The __________ system is responsible for transporting nutrients and waste.
circulatory
97
What is aerobic respiration's chemical equation?
C6H12O6 + 6O2 → 6CO2 + 6H2O + energy (ATP)
98
What is the role of stomata in plants?
Stomata are openings that allow gas exchange for photosynthesis and respiration.
99
True or False: All living organisms undergo photosynthesis.
False
100
What is the primary purpose of digestion?
To break down food into smaller molecules that can be absorbed by the body.
101
What is the main organ involved in digestion?
The stomach
102
Fill in the blank: __________ is the process by which cells use glucose and oxygen to produce energy.
Cellular respiration
103
What are the end products of anaerobic respiration in yeast?
Ethanol and carbon dioxide.
104
What is the main function of the small intestine?
To absorb nutrients from digested food.
105
True or False: The large intestine is primarily responsible for nutrient absorption.
False
106
What is the function of the liver in metabolism?
The liver processes nutrients, detoxifies harmful substances, and produces bile.
107
Fill in the blank: __________ are the basic structural and functional units of life.
Cells
108
What is the process by which plants convert sunlight into chemical energy?
Photosynthesis
109
What is the significance of the carbon cycle?
It regulates the levels of carbon dioxide and oxygen in the atmosphere.
110
True or False: All organisms perform cellular respiration.
True
111
What is the main purpose of reproduction?
To ensure the survival of a species.
112
What organ is primarily responsible for filtering blood?
Kidneys
113
What is the main waste product of protein metabolism?
Urea
114
Fill in the blank: __________ is the term for the uptake of nutrients by cells.
Absorption
115
What is the role of the diaphragm in respiration?
The diaphragm contracts and relaxes to help draw air into and push air out of the lungs.
116
What is the main function of the respiratory system?
To facilitate the exchange of oxygen and carbon dioxide.
117
True or False: Organisms can survive without performing any life processes.
False
118
What is the role of mitochondria in cells?
Mitochondria are the sites of aerobic respiration and energy production.
119
What is the primary role of the skeletal system?
To provide structure and support to the body.
120
Fill in the blank: __________ is the process by which organisms grow and develop.
Development
121
What is the importance of enzymes in digestion?
Enzymes speed up the breakdown of food into absorbable molecules.
122
What is the role of the pancreas in digestion?
The pancreas produces digestive enzymes and hormones like insulin.
123
True or False: All cells are capable of reproducing.
False
124
What is the function of the cell membrane?
To protect the cell and regulate the movement of substances in and out.
125
Fill in the blank: __________ is the process of converting light energy into chemical energy.
Photosynthesis
126
What is the role of the large intestine?
To absorb water and electrolytes from indigestible food matter.
127
What is the term for the breakdown of glucose in the absence of oxygen?
Fermentation
128
True or False: All living organisms require water to survive.
True
129
What is the primary role of the nervous system?
To coordinate and control body activities by transmitting signals.
130
What is the main function of the reproductive system?
To produce gametes and facilitate reproduction.
131
Fill in the blank: __________ is the process by which an organism increases in size.
Growth
132
What is the role of the skeletal system in movement?
It provides a framework for muscles to pull against.
133
What is the significance of cellular respiration?
It provides energy for cellular processes.
134
True or False: Plants perform both photosynthesis and respiration.
True
135
What is the function of the endocrine system?
To regulate bodily functions through hormones.
136
Fill in the blank: __________ is the process through which organisms respond to their environment.
Sensitivity
