Internal & External Structure Of Plants

Question 1

Systems of a plant

Answer 1

1. Root system
2. Shoot system

Question 2

Function of Roots

Answer 2

1. The roots are to act an anchor to hold plants to the soils
2. Root fixation
3. Absorption of food and minerals
4. Translocation
5. Food storage

Question 3

Classification Of Plants

Answer 3

1. Taproot system
2. Fibrous root system
3. Adventitous roots

Question 4

External Structure Of a Stem

Answer 4

1. Node
2. Internode
3. Petiole
4. Axillary bud

Question 5

Node

Answer 5

Points of attachment for leaves, aerial roots, and flowers

Question 6

Internode

Answer 6

A section of stem between two stem nodes

Question 7

Petiole

Answer 7

Stalk that extends from the stem to the base of the leaf

Question 8

Axillary bud

Answer 8

Embryonic shoot that lies at the junction of the stem and petiole that gives rise to a branch or flower

Question 9

Functions Of The Stem

Answer 9

1. Stems transport water from different parts of the plant
2. Stems of some plants are photosynthetic
3. Stems may store nutrients

Question 10

Internal Structure Of The Stem

Answer 10

1. Phloem
2. Xylem
3. Cortex
4. Epidermis
5. Pith
6. Cambium