Ch. 7 Quiz

Question 1

Parasitic plants have roots highly modified into..

Answer 1

Haustorial roots

Question 2

A typical monocot plant has a root system consisting of..

Answer 2

Adventitious roots and lateral roots

Question 3

Lateral roots originate in the..

Answer 3

Pericycle

Question 4

If a water molecule entered a mature root at the root surface, it would cross what tissues, in their correct order, on its way to the center?

Answer 4

Epidermis, Cortex, endodermis, pericycle, phloem, xylem

Question 5

Roots that can anchor or brace a plant more firmly than normal roots are..

Answer 5

Prop and contractile roots

Question 6

Root caps secrete..

Answer 6

Mucigel to lubricate root growth through the soil

Question 7

Tulips and daffodils, whose stems are bulbs, usually have what type of modified root in addition to their normal roots?

Answer 7

Contractile roots

Question 8

If the apical meristem of a root is damaged, a new apical meristem forms from cells from..

Answer 8

The quiescent center

Question 9

The major direct advantage to a plant of a mycorrhizal relationship is increased..

Answer 9

Phosphorus absorption

Question 10

A root is not uniform along its length, but has distinct zones. Starting at the tip, these zones are..

Answer 10

Root cap -> apical meristem -> zone of elongation -> zone of maturation/root hairs