Stem

Question 1

What are the functions of stems?

Answer 1

Support, transport of water, minerals and nutrients, storage, photosynthesis.

Question 2

What is a modified stem example?

Answer 2

Cactus.

Question 3

This is the point on the stem where leaves, branches, or buds are attached.

Answer 3

Nodes

Question 4

Crucial for the development of new growth, as they contain meristematic cells that can produce new plant organs

Answer 4

Nodes

Question 5

The section between two nodes

Answer 5

Internodes

Question 6

Function of internodes

Answer 6

Helps position the leaves and branches to optimize light exposure

Question 7

Are undeveloped or embryonic shoots. It gives rise to new leaves, branches, or flowers

Answer 7

Bud

Question 8

This bud is located at the tip of the stem

Answer 8

Apical (Terminal) Bud

Question 9

Hormones that can suppress the growth of axillary buds, a phenomenon called ______ _________.

Answer 9

Apical Dominance

Question 10

Responsible for primary growth, or the increase in length of the stem.

Answer 10

Apical (Terminal) Bud

Question 11

Found at the nodes, these buds can develop into branches or flowers.

Answer 11

Axillary (Lateral) Bud

Question 12

If the apical bud is removed, axillary buds may?

Answer 12

grow more actively

Question 13

A mark left on the stem after a leaf falls off.

Answer 13

Leaf scar

Question 14

This can help identify the location of nodes and former leaves

Answer 14

Leaf scar

Question 15

Small, raised pores on the stem surface that allows gas exchange between the stem tissues and atmosphere.

Answer 15

Lenticels

Question 16

Lenticels are often visible on?

Answer 16

Woody stems

Question 17

These are swollen, underground stems that store food.

Answer 17

Tubers

Question 18

These are horizontal, underground stems that grow near the soil surface and allow the plant to spread.

Answer 18

Rhizomes

Question 19

Are short stems surrounded by fleshy, nutrient-storing leaves that grow underground

Answer 19

Bulbs

Question 20

Are thick, vertical, underground stems that store nutrients and have a papery covering

Answer 20

Corms

Question 21

These are horizontal, above-ground stems that grow along the soil surface and can produce new plants at nodes

Answer 21

Stolons (or runners)

Question 22

In some plants, stems are modified into sharp thorns for protection against herbivores.

Answer 22

Thorns

Question 23

Some stems become thin, coiling tendrils that help the plant cling to supports.

Answer 23

Tendrils

Question 24

These are flattened, photosynthetic stems that resemble leaves and help in water storage.

Answer 24

Cladodes (or cladophylls)