Bio 9.2 Maintaining a Balance in plants

Question 1

This diagram is a cross section of a plant stem. Which vascular bundle is closest to the edge?

Accepted Answer

Phloem

Question 2

The vascular tissue that has one-way movement in a plant is called the

Accepted Answer

xylem

Question 3

The transport of sugars such as starch and glucose occurs in the

Accepted Answer

Phloem

Question 4

The ability of water to stick to itself and other things is described as:

Accepted Answer

Adhesion/cohestion

Question 5

Water exiting the leaves helps bring more water up the stem in the xylem. This is called:

Accepted Answer

Transpiration pull

Question 6

Identify the vascular tissue labelled 3 in this diagram (cross section of root)

Accepted Answer

Xylem

Question 7

What plant adaptation to conserve water is shown in the microscope image below?

Accepted Answer

Sunken stomates

Question 8

Name this Australian succulent plant (stores water)

Accepted Answer

Pig face

Question 9

Sugars enter the phloem from...

Accepted Answer

Sugar source

Question 10

The cells that provide energy for the phloem are called

Accepted Answer

Companion cells

Question 11

Maintaining physiological & metabolic functions in response to variations in the environment is

Accepted Answer

Enantiostasis

Question 12

What is the main function of the stomates?

Accepted Answer

Gas exchange

Question 13

What adaptation of eucalyptus leaves to conserve water is displayed in this picture?

Accepted Answer

Leaves hang vertically

Question 14

The theory of movement in the phloem is called:

Accepted Answer

Pressure-flow mechanism

Question 15

This tree does not have true leaves. This helps reduce water loss. What is this tree called?

Accepted Answer

Casuarina

Question 16

The purpose of lignin in the xylem is to

Accepted Answer

Stiffen walls

Question 17

An estuary is located where...

Accepted Answer

A river meets the sea

Question 18

The plants to use as an example of enantiostasis in an estuarine environment are

Accepted Answer

mangroves

Question 19

Which plant vascular tissue has mainly passive transport?

Accepted Answer

Xylem

Question 20

What is the benefit of having light coloured leaves on a eucalyptus tree?

Accepted Answer

Reflect light

Questions 20