Plant Organs and Functions

Question 1

Root Function

Answer 1

Take in and transport water and dissolved minerals, anchor plant, store carbs made during PS; tips covered by root cap which protects the growing root, secretes slimy substance to reduce friction while growing

Question 2

Root Structure

Answer 2

Epidermis, Cortext, Endodermis.

Question 3

Epidermis

Answer 3

Root hairs maximize surface area that absorbs water

Question 4

Cortext

Answer 4

Transports substances between the vascular tissue and epidermis

Question 5

Endodermis

Answer 5

Surrounded by a waterproof band that controls absorption of water and minerals

Question 6

Types of Root Systems

Answer 6

Taproot, Fibrous root, Modified root

Question 7

Stems

Answer 7

Vary from herbacious (flexible) to hard, woody ones covered in bark

Question 8

Stem Function

Answer 8

Support upper part of pant, transport water + minerals to leaves, sugar to roots; serves as storage site for food; production of new iving tissue

Question 9

Leaves

Answer 9

Trap energy and produce sugar (PS), and exchange gas (CO₂ and O₂)

Question 10

Leaf Structure

Answer 10

Several layers thick.

• Epidermal Cells
• Palisade Mesophyll
• Spongy Mesophyll
• Veins
• Guard Cells