Specialized stems - Chapter 6

Question 1

Rhizomes

Answer 1

The rhizome is an underground stem having nodes internodes and apical and axillary buds. While the root has a root cap,

Question 2

Stolons

Answer 2

a creeping horizontal plant stem or runner that takes root at points along its length to form new plants.

Question 3

Tubers

Answer 3

Tubers are a type of enlarged stem used as storage organs for nutrients in some plants.

Example Potato.

Question 4

Bulbs

Answer 4

Consists of a relatively large, usually globe-shaped, underground bud with membraneous or fleshy overlapping leaves arising from a short stem.

Example onion

Question 5

Corms

Answer 5

It bears membranous or scaly leaves and buds, and, unlike in bulbs, these do not appear as visible rings when the corm is cut in half.

Example - Bananas grow from corm and taro

Question 6

Cladophylls

Answer 6

A photosynthetic branch or portion of a stem that resembles and functions as a leaf, as the pad of a prickly-pear cactus

Question 7

Thorns

Answer 7

a stiff, sharp-pointed, straight or curved woody projection on the stem or other part of a plant.