Life Processes

Question 1

What is metabolism?

Answer 1

The set of life-sustaining chemical reactions in organisms.

Question 2

True or False: Metabolism consists of two main processes: catabolism and anabolism.

Answer 2

True

Question 3

Fill in the blank: Catabolism is the process of _____ complex molecules into simpler ones.

Answer 3

breaking down

Question 4

What is anabolism?

Answer 4

The process of building up complex molecules from simpler ones.

Question 5

Which organelle is primarily responsible for energy production in cells?

Answer 5

Mitochondria

Question 6

Multiple choice: Which of the following is a product of cellular respiration? A) Oxygen B) Glucose C) ATP D) Carbon Dioxide

Answer 6

C) ATP

Question 7

What is the primary purpose of respiration in living organisms?

Answer 7

To convert biochemical energy from nutrients into ATP.

Question 8

True or False: Reproduction is essential for the survival of an individual organism.

Answer 8

False

Question 9

What are the two main types of reproduction?

Answer 9

Sexual and asexual reproduction.

Question 10

Fill in the blank: In sexual reproduction, offspring are produced by the combination of _____ from two parents.

Answer 10

gametes

Question 11

Short answer: What is the significance of growth in living organisms?

Answer 11

Growth is essential for development, maintenance, and reproduction.

Question 12

Multiple choice: Which vitamin is crucial for proper vision? A) Vitamin A B) Vitamin C C) Vitamin D D) Vitamin E

Answer 12

A) Vitamin A

Question 13

What is the role of nutrients in metabolism?

Answer 13

Nutrients provide the energy and materials needed for growth, repair, and maintenance.

Question 14

True or False: All organisms require the same nutrients for growth.

Answer 14

False

Question 15

Fill in the blank: _____ is the process by which cells convert glucose and oxygen into energy, carbon dioxide, and water.

Answer 15

Cellular respiration

Question 16

What is homeostasis?

Answer 16

The ability of an organism to maintain a stable internal environment.

Question 17

Multiple choice: Which hormone regulates glucose levels in the blood? A) Insulin B) Glucagon C) Cortisol D) Adrenaline

Answer 17

A) Insulin

Question 18

Short answer: Define the term ‘basal metabolic rate’ (BMR).

Answer 18

The rate at which the body expends energy at rest to maintain basic physiological functions.

Question 19

What is the significance of proteins in nutrition?

Answer 19

Proteins are essential for building and repairing tissues, as well as for enzyme and hormone production.

Question 20

True or False: Fats are the most concentrated source of energy in the diet.

Answer 20

True

Question 21

Fill in the blank: _____ are organic compounds required in small quantities for various metabolic processes.

Answer 21

Vitamins

Question 22

What is the primary function of carbohydrates in the diet?

Answer 22

To provide energy.

Question 23

Multiple choice: Which of the following is not a macronutrient? A) Carbohydrates B) Proteins C) Vitamins D) Fats

Answer 23

C) Vitamins

Question 24

Short answer: What is the process of photosynthesis?

Answer 24

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

Question 25

Define 'cellular respiration'.

Answer 25

The metabolic process in which cells convert biochemical energy from nutrients into ATP, releasing waste products.

Question 26

What is the primary mode of nutrition in humans?

Answer 26

Humans primarily utilize heterotrophic nutrition.

Question 27

True or False: Amoeba obtains nutrients through photosynthesis.

Answer 27

False

Question 28

Fill in the blank: Paramecium primarily feeds on _____ in its environment.

Answer 28

bacteria

Question 29

What type of digestion occurs in humans?

Answer 29

Humans undergo both mechanical and chemical digestion.

Question 30

Which organ is responsible for nutrient absorption in humans?

Answer 30

The small intestine.

Question 31

Multiple Choice: What structure do amoebas use to engulf food?

Answer 31

Pseudopodia

Question 32

What is the process called when amoebas surround and ingest food?

Answer 32

Phagocytosis

Question 33

True or False: Paramecium uses cilia for locomotion and feeding.

Answer 33

True

Question 34

What type of organism is an amoeba?

Answer 34

A unicellular eukaryote.

Question 35

Fill in the blank: The primary source of energy for humans is _____ .

Answer 35

glucose

Question 36

What is the role of the large intestine in human nutrition?

Answer 36

Absorption of water and electrolytes.

Question 37

Multiple Choice: Which of the following is a type of heterotrophic nutrition?

Answer 37

Saprophytic nutrition

Question 38

What is the main function of the oral groove in paramecium?

Answer 38

To channel food into the cell.

Question 39

True or False: Humans can synthesize all essential amino acids.

Answer 39

False

Question 40

What do paramecia primarily use for locomotion?

Answer 40

Cilia

Question 41

Fill in the blank: In humans, proteins are broken down into _____ during digestion.

Answer 41

amino acids

Question 42

What is the significance of enzymes in human digestion?

Answer 42

Enzymes facilitate the breakdown of food substances.

Question 43

Multiple Choice: Which of the following is NOT a form of nutrition?

Answer 43

Autotrophic nutrition in humans

Question 44

What type of nutrition do fungi, such as yeast, primarily exhibit?

Answer 44

Saprophytic nutrition

Question 45

True or False: All organisms require the same nutrients.

Answer 45

False

Question 46

What is the term for the process of taking in food?

Answer 46

Ingestion

Question 47

Fill in the blank: The _____ is the primary site of digestion in humans.

Answer 47

stomach

Question 48

What is the primary energy source for paramecium?

Answer 48

Organic compounds from consumed bacteria.

Question 49

Multiple Choice: Which of the following is a characteristic of amoeba?

Answer 49

Ability to change shape

Question 50

What is the main difference between autotrophic and heterotrophic nutrition?

Answer 50

Autotrophic organisms produce their own food, while heterotrophic organisms consume other organisms.

Question 51

True or False: Cilia are used by paramecium primarily for feeding.

Answer 51

True

Question 52

Fill in the blank: The primary function of the digestive system in humans is to _____ food.

Answer 52

break down

Question 53

What are the seven essential life processes?

Answer 53

Movement, respiration, sensitivity, growth, reproduction, excretion, nutrition.

Question 54

True or False: Respiration is the process of taking in oxygen and releasing carbon dioxide.

Answer 54

True.

Question 55

Fill in the blank: The process by which organisms respond to changes in their environment is called __________.

Answer 55

sensitivity.

Question 56

What is the primary purpose of reproduction in living organisms?

Answer 56

To produce offspring and ensure the continuation of species.

Question 57

Which life process involves the breakdown of food to release energy?

Answer 57

Respiration.

Question 58

True or False: Growth only occurs in plants.

Answer 58

False.

Question 59

Define excretion.

Answer 59

The process of removing waste products from the body.

Question 60

Multiple Choice: Which of the following is NOT a life process? A) Nutrition B) Excretion C) Photosynthesis D) Reproduction

Answer 60

C) Photosynthesis.

Question 61

What term describes the intake of nutrients necessary for energy and growth?

Answer 61

Nutrition.

Question 62

Fill in the blank: __________ is the life process that allows organisms to move from one place to another.

Answer 62

Movement.

Question 63

True or False: All living organisms grow and develop throughout their lives.

Answer 63

True.

Question 64

What is the significance of sensitivity in life processes?

Answer 64

It allows organisms to detect and respond to environmental changes.

Question 65

Multiple Choice: Which process is essential for maintaining homeostasis? A) Growth B) Respiration C) Sensitivity D) All of the above

Answer 65

D) All of the above.

Question 66

What role does nutrition play in life processes?

Answer 66

It provides energy and materials for growth and repair.

Question 67

Fill in the blank: The ability to produce new individuals is known as __________.

Answer 67

reproduction.

Question 68

True or False: Excretion is only necessary in animals.

Answer 68

False.

Question 69

What are the two types of respiration?

Answer 69

Aerobic and anaerobic respiration.

Question 70

Multiple Choice: Which life process is primarily concerned with energy production? A) Nutrition B) Excretion C) Movement D) Growth

Answer 70

A) Nutrition.

Question 71

What is an example of a response to stimuli in living organisms?

Answer 71

Plant bending towards light (phototropism).

Question 72

Fill in the blank: The process by which organisms eliminate toxic substances is called __________.

Answer 72

excretion.

Question 73

True or False: All life processes are interdependent.

Answer 73

True.

Question 74

What is the importance of growth in living organisms?

Answer 74

It allows for development and the ability to reproduce.

Question 75

Multiple Choice: Which life process ensures the survival of a species? A) Nutrition B) Reproduction C) Sensitivity D) Growth

Answer 75

B) Reproduction.

Question 76

What happens during anaerobic respiration?

Answer 76

Energy is produced without oxygen, resulting in byproducts like lactic acid or alcohol.

Question 77

Fill in the blank: __________ refers to the changes that occur in an organism over time.

Answer 77

Growth.

Question 78

True or False: Movement is only associated with animals.

Answer 78

False.

Question 79

What is homeostasis?

Answer 79

The maintenance of a stable internal environment in an organism.

Question 82

What are the six essential nutrients required by the human body?

Answer 82

Carbohydrates, proteins, fats, vitamins, minerals, and water.

Question 83

True or False: Proteins are primarily used by the body for energy.

Answer 83

False.

Question 84

Fill in the blank: Carbohydrates are broken down into ________ in the body.

Answer 84

glucose.

Question 85

What is the primary function of fats in the human body?

Answer 85

To provide energy and support cell growth.

Question 86

Which vitamin is primarily responsible for vision?

Answer 86

Vitamin A.

Question 87

True or False: Water is considered a macronutrient.

Answer 87

True.

Question 88

What are the two types of carbohydrates?

Answer 88

Simple carbohydrates and complex carbohydrates.

Question 89

Short Answer: What is the role of dietary fiber in nutrition?

Answer 89

To aid digestion and prevent constipation.

Question 90

Multiple Choice: Which of the following is a source of complete protein? (A) Beans (B) Eggs (C) Rice

Answer 90

B) Eggs.

Question 91

What mineral is essential for oxygen transport in the blood?

Answer 91

Iron.

Question 92

Fill in the blank: The recommended daily intake of water is about ________ liters for adults.

Answer 92

2 to 3 liters.

Question 93

True or False: All fats are unhealthy.

Answer 93

False.

Question 94

What is the primary function of vitamins in the body?

Answer 94

To regulate various biochemical processes.

Question 95

Multiple Choice: Which vitamin is known as the 'sunshine vitamin'? (A) Vitamin C (B) Vitamin D (C) Vitamin B12

Answer 95

B) Vitamin D.

Question 96

What is the term for the amount of energy required to maintain basic bodily functions at rest?

Answer 96

Basal metabolic rate (BMR).

Question 97

Short Answer: What are antioxidants and why are they important?

Answer 97

Antioxidants are compounds that protect cells from damage caused by free radicals.

Question 98

True or False: Micronutrients are required in larger amounts than macronutrients.

Answer 98

False.

Question 99

What type of fat is considered healthy and beneficial for heart health?

Answer 99

Unsaturated fats.

Question 100

Multiple Choice: Which of the following is a water-soluble vitamin? (A) Vitamin A (B) Vitamin C (C) Vitamin E

Answer 100

B) Vitamin C.

Question 101

Fill in the blank: The primary source of energy for the brain is ________.

Answer 101

glucose.

Question 102

What is the importance of calcium in the human body?

Answer 102

It is essential for bone health and muscle function.

Question 103

True or False: Nutrient deficiencies can lead to chronic diseases.

Answer 103

True.

Question 104

What dietary component is crucial for maintaining a healthy gut microbiome?

Answer 104

Dietary fiber.

Question 105

Multiple Choice: What is the main function of vitamin K? (A) Blood clotting (B) Vision (C) Immune function

Answer 105

A) Blood clotting.

Question 106

Short Answer: What is the role of probiotics in nutrition?

Answer 106

Probiotics promote a healthy balance of gut bacteria.

Question 107

Fill in the blank: Excessive intake of ________ can lead to obesity.

Answer 107

calories.