Plant Organs and Parts of Organs

Question 1

Plant organ that absorbs water and nutrients, stabilizes the plant, synthesizes plant hormones, and stores energy produced by the plant

Answer 1

Root

Question 2

Plant organ that supports fruits, flowers, and leaves, determines leaf arrangement, contains vascular tissue, and stores energy for plant growth

Answer 2

Stem

Question 3

Bud located at the tip of a stem or branch

Answer 3

Terminal bud

Question 4

A bud located between the leaf and the stem; also called a lateral bud

Answer 4

Axillary bud

Question 5

The region of a stem between two successive nodes

Answer 5

Internode

Question 6

The part of a stem where one or more leaves (or buds) are attached

Answer 6

Node

Question 7

An arrangement in which there are two buds or leaves per node

Answer 7

Opposite

Question 8

An arrangement in which there is only one bud or leaf per node

Answer 8

Alternate

Question 9

An arrangement in which there are three or more buds or leaves per node; also called verticillate

Answer 9

Whorled

Question 10

Plant organ that photosynthesizes, transports sugars from source to sink, and synthesizes plant hormones

Answer 10

Leaf

Question 11

A leaf in which the blade is continuous and undivided

Answer 11

Simple leaf

Question 12

A leaf in which the blade is divided into multiple distinct segments

Answer 12

Compound leaf

Question 13

One of the distinct sections of the blade in a compound leaf

Answer 13

Leaflet

Question 14

A type of compound leaf that has leaflets that are all attached at the same point at the end of the petiole

Answer 14

Palmately compound

Question 15

A type of compound leaf that has leaflets that are attached at different points along the petiole and are arranged opposite each other

Answer 15

Pinnately compound

Question 16

Stalk of a leaf

Answer 16

Petiole

Question 17

The broad, expanded portion of a leaf

Answer 17

Blade

Question 18

Openings in the surface of the leaf that facilitate gas exchange in the plant

Answer 18

Stomata

Question 19

Major reproductive organ of an angiosperm

Answer 19

Flower

Question 20

Floral organ located the next whorl in from the sepals that usually provides the flower with color and attracts pollinators

Answer 20

Petal

Question 21

Floral organ located in the outermost whorl of the flower which is often green but can also have color and look similar to a petal; helps protect the developing flower bud before opening

Answer 21

Sepal

Question 22

Female reproductive organ located in the innermost whorl of the flower; also known as the carpel

Answer 22

Pistil

Question 23

Stalk of the pistil

Answer 23

Style

Question 24

Swollen area at the base of the pistil that eventually becomes a fruit

Answer 24

Ovary

Question 25

Sticky tip of the pistil that receives pollen

Answer 25

Stigma

Question 26

Male reproductive part of the flower located the next whorl in from the petals

Answer 26

Stamen

Question 27

The expanded, apical, pollen-bearing portion of the stamen

Answer 27

Anther

Question 28

Stalk of the stamen

Answer 28

Filament