Plant Stems

Question 1

Stem protected by _ which prevents water from escaping

Answer 1

Epidermis

Question 2

Cortex maintains _

Answer 2

Plant shape

Question 3

Cortex strengthened by outer ring of collenchyma and Sclerenchyma, and filled with _

Answer 3

Packing tissue

(Parenchyma)

Question 4

_ at core provides further support

Answer 4

Pith

Question 5

Within cortex, vascular bundles have _ inside and outside _ outside

Answer 5

Xylem

Phloem

Question 6

Between xylem and phloem is a layer of _ which makes new xylem and phloem

Answer 6

Cambium

Question 7

Pith is made of _

Answer 7

Parenchyma

Question 8

Phloem sieve tubes transport _ (2)

Answer 8

Sucrose

Amino acids

Question 9

Xylem vessel transports water and _

Answer 9

Minerals

Question 10

Epidermis is one cell thick except for a few _

Answer 10

Stomata

Question 11

Xylem vessels and phloem sieve tubes are like _ for plants

Answer 11

Blood vessels

Question 12

Xylem vessels and phloem sieve tube together form part of the

Answer 12

Vascular bundle

Question 13

Xylem vessels consist of _ connected to form a tube

Answer 13

Dead, hollow cells

Question 14

Xylem cells are waterproofed with a tough substance called

Answer 14

Lignin

Question 15

_ flow upwards in xylem

Answer 15

Mineral ions

Question 16

Sucrose is _ from photosynthesis

Answer 16

Converted glucose

Question 17

Phloem sieve tubes transport sucrose and amino acids up and down plant in a process called _

Answer 17

Translocation

Question 18

In translocation, direction of travel depends on _

Answer 18

Where sugar is needed