Characteristics and classification of living organisms

Question 1

What are the seven characteristics of living organisms?

Answer 1

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

Question 2

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

Answer 2

True

Question 3

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

Answer 3

sensitivity

Question 4

Which characteristic of life involves the production of new individuals?

Answer 4

Reproduction

Question 5

What is the main function of respiration in living organisms?

Answer 5

To release energy from food.

Question 6

True or False: Only animals exhibit growth.

Answer 6

False

Question 7

What is excretion?

Answer 7

The removal of waste products from the body.

Question 8

Multiple Choice: Which of the following is NOT a characteristic of living organisms? A) Nutrition B) Respiration C) Gravity D) Growth

Answer 8

C) Gravity

Question 9

Define the characteristic of nutrition in living organisms.

Answer 9

The process of obtaining and using food for energy, growth, and maintenance.

Question 10

What is the significance of homeostasis in living organisms?

Answer 10

It helps maintain a stable internal environment.

Question 11

True or False: All living organisms reproduce sexually.

Answer 11

False

Question 12

What term describes the classification of living organisms?

Answer 12

Taxonomy

Question 13

Fill in the blank: The scientific naming system for organisms is called ______.

Answer 13

binomial nomenclature

Question 14

What are the two parts of a scientific name?

Answer 14

Genus and species

Question 15

Multiple Choice: Which domain includes organisms that are unicellular and prokaryotic? A) Eukarya B) Bacteria C) Archaea D) Both B and C

Answer 15

D) Both B and C

Question 16

What is the main difference between prokaryotic and eukaryotic cells?

Answer 16

Prokaryotic cells do not have a nucleus; eukaryotic cells do.

Question 17

True or False: Fungi are classified as plants.

Answer 17

False

Question 18

Name the five kingdoms of living organisms.

Answer 18

Monera, Protista, Fungi, Plantae, Animalia.

Question 19

What role do decomposers play in an ecosystem?

Answer 19

They break down dead organic matter and recycle nutrients.

Question 20

Fill in the blank: Organisms that make their own food through photosynthesis are called ______.

Answer 20

autotrophs

Question 21

What is the primary energy source for most living organisms?

Answer 21

The sun

Question 22

True or False: Viruses are considered living organisms.

Answer 22

False

Question 23

Explain what a habitat is.

Answer 23

The natural environment in which an organism lives.

Question 24

Multiple Choice: Which of the following is a feature of all living organisms? A) Multicellular B) Ability to move C) Cellular organization D) Complex structure

Answer 24

C) Cellular organization

Question 25

What is the function of the cell membrane?

Answer 25

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

Question 26

Fill in the blank: The term used to describe a group of organisms of the same species living in the same area is called a ______.

Answer 26

population

Question 27

What is an ecosystem?

Answer 27

A community of living organisms interacting with their environment.

Question 28

True or False: All organisms perform photosynthesis.

Answer 28

False

Question 29

Define biodiversity.

Answer 29

The variety of life in a particular habitat or ecosystem.

Question 30

What is the role of producers in an ecosystem?

Answer 30

To convert solar energy into chemical energy through photosynthesis.

Question 31

Fill in the blank: Organisms that cannot make their own food and obtain energy by consuming other organisms are called ______.

Answer 31

heterotrophs

Question 32

Multiple Choice: Which kingdom includes multicellular photosynthetic organisms? A) Monera B) Fungi C) Plantae D) Animalia

Answer 32

C) Plantae

Question 33

What is the primary function of roots in plants?

Answer 33

To anchor the plant and absorb water and nutrients.

Question 34

True or False: The classification of organisms is static and does not change over time.

Answer 34

False

Question 35

What are the two main types of cells?

Answer 35

Prokaryotic and eukaryotic cells.

Question 36

Fill in the blank: The study of how organisms are classified is known as ______.

Answer 36

taxonomy

Question 37

What is the difference between autotrophs and heterotrophs?

Answer 37

Autotrophs produce their own food; heterotrophs consume other organisms for food.

Question 38

Multiple Choice: Which of the following is a characteristic of plants? A) They can move B) They are unicellular C) They have cell walls D) They reproduce only asexually

Answer 38

C) They have cell walls

Question 39

Define the term 'species'.

Answer 39

A group of similar organisms that can breed and produce fertile offspring.

Question 40

What is the function of chlorophyll in plants?

Answer 40

To absorb light energy for photosynthesis.

Question 41

True or False: All fungi are multicellular.

Answer 41

False

Question 42

What is the function of the nucleus in a cell?

Answer 42

To store genetic material and control cell activities.

Question 43

Fill in the blank: The process by which plants lose water vapor is called ______.

Answer 43

transpiration

Question 44

What are the main components of the cell theory?

Answer 44

All living things are made of cells; cells are the basic unit of life; all cells come from pre-existing cells.

Question 45

Multiple Choice: Which of the following is a type of asexual reproduction? A) Budding B) Pollination C) Fertilization D) Copulation

Answer 45

A) Budding

Question 46

What is the role of ribosomes in a cell?

Answer 46

To synthesize proteins.

Question 47

True or False: Bacteria can be beneficial to humans.

Answer 47

True

Question 48

Fill in the blank: The first part of a scientific name indicates the ______.

Answer 48

genus

Question 49

What is the role of the mitochondria in a cell?

Answer 49

To produce energy through cellular respiration.

Question 50

Define the term 'environment'.

Answer 50

The surrounding conditions that affect an organism's life.

Question 51

Multiple Choice: Which of the following organisms is classified as a protist? A) Yeast B) Amoeba C) Mushroom D) Fern

Answer 51

B) Amoeba

Question 52

What is the primary function of leaves in plants?

Answer 52

To conduct photosynthesis and gas exchange.

Question 53

True or False: All animals are heterotrophic.

Answer 53

True

Question 54

What is the function of a cell wall?

Answer 54

To provide structure and support to plant cells.

Question 55

Fill in the blank: Organisms that break down dead organic material are known as ______.

Answer 55

decomposers

Question 56

Define the term 'community' in an ecological context.

Answer 56

A group of different species living in the same area.

Question 57

Multiple Choice: Which kingdom includes organisms that absorb nutrients from their environment? A) Plantae B) Animalia C) Fungi D) Monera

Answer 57

C) Fungi

Question 58

What characteristic distinguishes archaea from bacteria?

Answer 58

Their cell membrane composition and genetic differences.

Question 59

True or False: Organisms in the same genus are closely related.

Answer 59

True

Question 60

What is the function of the endoplasmic reticulum?

Answer 60

To synthesize and transport proteins and lipids.

Question 61

Fill in the blank: The process of change in the characteristics of a species over time is called ______.

Answer 61

evolution

Question 62

What is the role of the Golgi apparatus?

Answer 62

To modify, sort, and package proteins for secretion.

Question 63

Multiple Choice: Which of the following is a characteristic of living things? A) They can be made of one or more cells B) They do not require energy C) They do not respond to stimuli D) They are all autotrophic

Answer 63

A) They can be made of one or more cells

Question 64

What is the primary role of the biosphere?

Answer 64

To support life on Earth.

Question 65

True or False: All living organisms require water to survive.

Answer 65

True

Question 66

Fill in the blank: The classification system that groups organisms based on shared characteristics is called ______.

Answer 66

hierarchical classification

Question 67

What is the significance of the Linnaean system of classification?

Answer 67

It provides a universal naming system for organisms.

Question 68

Multiple Choice: Which of the following is a feature of viruses? A) They can reproduce on their own B) They are cellular C) They can infect living cells D) They are classified as eukaryotes

Answer 68

C) They can infect living cells

Question 69

What is the difference between a population and a community?

Answer 69

A population consists of one species; a community consists of multiple species.

Question 70

True or False: All organisms have DNA.

Answer 70

True

Question 71

What is the primary function of the vacuole in plant cells?

Answer 71

To store nutrients and waste products.

Question 72

Fill in the blank: The process of making glucose in plants using sunlight is called ______.

Answer 72

photosynthesis