What IS A PLANT?????

Question 1

Chlorophyll

Answer 1

Green pigment found in the chloroplasts of plants, algae, and some bacteria

Question 2

Photosynthesis

Answer 2

During photosynthesis a plant uses carbon dioxide gas and water

Question 3

Chloroplasts

Answer 3

The structure in which food is made

Question 4

Tissues

Answer 4

Groups of similar cells that perform a specific function in an organism

Question 5

Vacuole

Answer 5

A large storage sac that can expand and shrink

Question 6

Cuticle

Answer 6

Helps a plant reduce water loss

Question 7

Vascular tissue

Answer 7

A system of tubelike structures inside a plant through which water, minerals, and food move

Question 8

Sporophyte

Answer 8

A stage in which the plant produces spores

Question 9

Gametophyte

Answer 9

A stage in which the plant produces to kinds of sex cells: sperm and egg cells

Question 10

Annual

Answer 10

Flowering plants that complete a life cycle within one growing season

Question 11

Biennial

Answer 11

Angiosperms that complete there life cycle in 2 years

Question 12

Perennial

Answer 12

Flowering plants that live for more than 2 years

Question 13

Fertilization

Answer 13

Occurs when a sperm cell unites with an egg cell

Question 14

Zygote

Answer 14

The fertilized egg

Question 15

Cone

Answer 15

Reproductive structures that are usually covered with scales. Most gymnosperm have these

Question 16

Ovule

Answer 16

A structure that contains an egg cell

Question 17

Fruit

Answer 17

The ripened ovary and other structures that enclose one or more seeds

Question 18

Tropism

Answer 18

A plants growth response toward or away from a stimulus

Question 19

Hormone

Answer 19

A chemical that affects how the plant grows and develops

Question 20

Auxin

Answer 20

Speeds up the rate at which a plant’s cells grow and controls a plant

Question 21

Photoperiodism

Answer 21

A plants response to seasonal changes in the length of night and day

Question 22

Critical night length

Answer 22

The number of hours of darkness that determines whether or not a plant will flower

Question 23

Short-day plant

Answer 23

Flower when the nights are longer than a critical length. They bloom in winter or fall

Question 24

Long-day plant

Answer 24

Flower when nights are shorter than a critical length. They bloom in spring or summer

Question 25

Day-neutral plant

Answer 25

Have a flowering cycle that is not sensitive to periods of light and dark. They can bloom all year round, depending on weather

Question 26

Dormancy

Answer 26

A period when an organism’s growth or activity stops