Parts of Flowers

Question 1

What is an organ?

Answer 1

Structures made up of different types of tissues that perform specific functions

Example: The heart pumps blood.

Question 2

Define an organ system.

Answer 2

A collection of organs that cooperate to achieve a broader goal

Example: The circulatory system includes the heart, blood vessels, and blood.

Question 3

What is interdependence in organ systems?

Answer 3

Organ systems rely on each other; changes in one system can affect others.

Question 4

How many major organ systems does the human body have?

Answer 4

11 major organ systems.

Question 5

What is homeostasis?

Answer 5

The maintenance of a stable internal environment despite external changes.

Question 6

What is the primary function of the shoot system in plants?

Answer 6

Primarily responsible for photosynthesis, reproduction, and gas exchange.

Question 7

What are the functions of stems in the shoot system?

Answer 7

Provide structural support, transport water and nutrients, and may store food.

Question 8

What is the role of leaves in plants?

Answer 8

Primary sites of photosynthesis where sunlight is converted into energy.

Question 9

What do flowers do in the plant organ system?

Answer 9

Reproductive organs that produce seeds for plant propagation.

Question 10

What are fruits in plants?

Answer 10

Mature ovaries that protect and disperse seeds.

Question 11

What is the function of the root system?

Answer 11

Anchors the plant, absorbs water and minerals from the soil, and stores food.

Question 12

What components make up the integumentary system?

Answer 12

Skin, hair, nails, glands.

Question 13

What is the function of the skeletal system?

Answer 13

Protects the body from the external environment, regulates temperature, and provides sensory input.

Question 14

What are the components of the muscular system?

Answer 14

Skeletal muscles, smooth muscles, cardiac muscle.

Question 15

What does the nervous system do?

Answer 15

Controls and coordinates bodily functions, receives and processes sensory information, and initiates responses.

Question 16

What is the role of the endocrine system?

Answer 16

Regulates bodily functions through the production and secretion of hormones.

Question 17

What components are part of the circulatory system?

Answer 17

Heart, blood vessels, blood.

Question 18

What is the function of the respiratory system?

Answer 18

Facilitates the exchange of gases (oxygen and carbon dioxide) between the body and the environment.

Question 19

What are the components of the digestive system?

Answer 19

Mouth, esophagus, stomach, intestines, liver, pancreas.

Question 20

What is the primary function of the excretory system?

Answer 20

Removes waste products from the body and maintains fluid and electrolyte balance.

Question 21

What components make up the excretory system?

Answer 21

Kidneys, ureters, bladder, urethra.

Question 22

What is the primary function of the immune system?

Answer 22

Protects the body from infection and disease.

Question 23

What are the main components of the immune system?

Answer 23

• White blood cells
• Antibodies
• Lymphatic system

Question 24

What is the primary function of the reproductive system?

Answer 24

Enables the production of offspring.

Question 25

What are the components of the male reproductive system?

Answer 25

* Testes * Penis

Question 26

What are the components of the female reproductive system?

Answer 26

* Ovaries * Uterus * Vagina

Question 27

What are the four whorls of complete flowers?

Answer 27

Sepals, petals, stamens, and pistils ## Footnote These parts are crucial for the flower's structure and function.

Question 28

What distinguishes a complete flower from an incomplete flower?

Answer 28

A complete flower has all four whorls, while an incomplete flower lacks one or more of these structures ## Footnote Complete flowers are essential for reproduction.

Question 29

What is the function of sepals in a flower?

Answer 29

To protect the flower's other parts and support it while closed ## Footnote Sepals are modified leaves located around the base of a flower.

Question 30

What role do petals play in flower anatomy?

Answer 30

To attract pollinators ## Footnote Petals are modified leaves that are often large and brightly colored.

Question 31

What is the male reproductive part of a flower called?

Answer 31

Stamen ## Footnote The stamen consists of the anther and filament.

Question 32

What are the two main parts of the stamen?

Answer 32

Anther and filament ## Footnote The anther produces pollen, while the filament supports it.

Question 33

What is the female reproductive part of a flower called?

Answer 33

Carpel (or pistil) ## Footnote The carpel receives pollen and is crucial for seed formation.

Question 34

What are the three main parts of the carpel?

Answer 34

Stigma, style, and ovary ## Footnote Each part has a distinct role in the reproduction process.

Question 35

What is the function of the stigma in the carpel?

Answer 35

To receive pollen ## Footnote The stigma is the topmost part of the carpel.

Question 36

What does the style connect in the carpel?

Answer 36

The stigma and the ovary ## Footnote It is a tube-like structure for genetic material transfer.

Question 37

What is the purpose of the ovary in a flower?

Answer 37

To hold ovules and facilitate seed formation ## Footnote It is a ductless reproductive gland.

Question 38

Fill in the blank: Flowers are a source of _______ for other living organisms.

Answer 38

nectar ## Footnote Nectar is essential for attracting pollinators.

Question 39

True or False: Petals can have colors and patterns that are visible to humans.

Answer 39

False ## Footnote Some patterns are visible to insects but not to humans.