A level Biology Mass Transport in Plants

Question 1

Which letter shows where phloem is found?

Accepted Answer

V

Question 2

On windy days the rate of transpiration is lower

Accepted Answer

false

Question 3

How will increased temperature affect the rate of transpiration?

Accepted Answer

Increase

Question 4

Which of these are examples do not provide evidence for translocation?

Accepted Answer

potometer experiments

Question 5

Which letter shows where phloem is found?

Accepted Answer

Q

Question 6

Name the plant organ shown in the diagram

Accepted Answer

Stem

Question 7

Xylem vessels are ......

Accepted Answer

Dead

Question 8

On a very humid day the rate of transpiration is

Accepted Answer

lower

Question 9

Which theory gives evidence for the transpiration stream?

Accepted Answer

Cohesion-tension theory

Question 10

How does water move into the companion cell?

Accepted Answer

Osmosis

Question 11

Which of these cell types make up phloem?

Accepted Answer

Companion and Sieve tube

Question 12

What is transpiration?

Accepted Answer

Movement of water and mineral ions from the roots to leaves

Question 13

What does the Phloem transport?

Accepted Answer

Sucrose and amino acids

Question 14

Which letter shows where xylem is found?

Accepted Answer

S

Question 15

What is translocation?

Accepted Answer

the transport of sugars and amino acids from a source to a sink

Question 16

Which of these steps should not be performed when setting up a potometer?

Accepted Answer

Wash the leaves thoroughly with water

Question 17

What woody deposit allows xylem tissue to support the body of a plant?

Accepted Answer

lignin

Question 18

What does a potometer actually measure?

Accepted Answer

Water uptake

Question 19

What theory explains translocation?

Accepted Answer

Mass flow hypothesis

Question 20

The function of the xylem is...

Accepted Answer

To transport water and minerals

Question 21

How do ringing experiments provide evidence for sucrose transport in phloem?

Accepted Answer

Above ring swelled as sugar couldn't move to growing tissues

Question 22

Which letter shows where xylem is found?

Accepted Answer

W

Question 23

What order correctly describes the process of translocation?

Accepted Answer

III > I > IV > II

Question 24

Name the plant organ shown in the diagram

Accepted Answer

Root

Question 25

The device used to measure the rate of transpiration is called...

Accepted Answer

potometer

A level Biology Mass Transport in Plants

Questions 25

A level Biology Mass Transport in Plants

Questions 25