Test 2 second semester

Question 1

difference in monocots and dicots: stems

Answer 1

Dicot stems have a circular arrangement of vascular tissues, whereas the stems of monocots have vascular-tissue bundles scattered throughout. In monocots the vascular bundles also tend to be toward the outside of the stem.

Question 2

difference in monocots and dicots: flowers

Answer 2

monocots: parts of 3
dicots: parts 4 or 5

Question 3

difference in monocots and dicots: leaves

Answer 3

monocots: parallel veins
dicots: netter veins

Question 4

nodes

Answer 4

A plant node, also known as a leaf node or stem node, is the part of the plant that causes leaf growth.

Question 5

axillary buds

Answer 5

a bud that grows from the axil of a leaf and may develop into a branch or flower cluster.

Question 6

Leaf scars

Answer 6

The mark left on a stem after a leaf falls. Leaf scars can be used to identify tree species in winter or from specimens of their twigs.

Question 7

cuticle

Answer 7

The outer surface of the leaf has a thin waxy covering called the cuticle (A), this layer’s primary function is to prevent water loss within the leaf.

Question 8

epidermis

Answer 8

epidermis may be several layers thick to protect against excessive water loss from transpiration.

Question 9

palisade

Answer 9

which is the location of photosynthesis within the leaf. Below the palisade layer is the spongy layer, which contains cells that are more spread out, allowing for air pockets.

Question 10

mesophyll

Answer 10

The mesophyll is the name given to two layers of cells inside of the plant’s leaves. The first layer, located under the epidermis but above the second layer, is the palisade parenchyma cells.

Question 11

name a cell that control water vapor and gas movement into or out of leaf

Answer 11

Gard cells