Nonvascular Plants - Bryophytes

Question 1

What does “non-vascular” mean? (2) It means there are no vascular systems which does not have_______ and _______

Answer 1

no xylem and phloem

Question 2

Name one of the functions carried out by root but not by rhizoid?

Answer 2

rhizoids no nutrient uptake//anchorage

Question 3

Do liverworts have stomata or just pores?

Answer 3

no just pores

Question 4

Name the asexual reproductive structure in liverwort.

Answer 4

gammae

Question 5

Diagram regarding the sexual reproductive process will be provided. Describe each of the
5 steps according to the diagram. (10) (Please refer to the key points provided in this
lecture notes)

Answer 5

1. Gametophyte (n)-> m1->gametes (n)
2. g (n)-> FERT-> ZYGOTE ( 2n)
3. zygote(2n) -> S (2n)
4. S - m2.> unicellular spores
5. spores dispersed by wind -> GAMETOPHYTE

Question 6

How do they disperse the spores and gametes, respectively?

Answer 6

1. gametes= water

2. spores= wind

Question 7

Hornwort: starting from Hornwort, plants have _________ (1) that control the opening of pores to prevent excessive water loss while allowing gas exchange.

Answer 7

STOMATA

Question 8

 Label the two types of microphyll cells on moss. (2) What does each do? (2)

Answer 8

HYALINE: absorb water up to 20 times dry weight
PS: for photosynthesis