Chlorophyceae ( green algae)

Question 1

What are the pigments that cause the grass green colour in green algae?

Answer 1

Chlorophyll a and b

Question 2

Shapes of chloroplasts

Answer 2

discoid , reticulate , plate like , cup shaped , ribbon shaped or spiral

Question 3

What are the storage bodies located in chloroplasts called ?

Answer 3

Pyrenoids

Question 4

What do pyrenoids contain?

Answer 4

Protein besides starch

Question 5

In what 2 forms do green algae store food ?

Answer 5

1) Pyrenoids
2) Oil droplets

Question 6

Describe the cell wall of green algae

1) Rigid or soft ? 2) layers ?

Answer 6

1) Rigid
2) Two layers - inner - cellulose , outer - pectose

Question 7

Vegetative reproduction in green algae takes place by _________ and ___________

Answer 7

fragmentation , spore formation

Question 8

Asexual reproduction in green algae takes place by _________. Where are they formed ?

Answer 8

Flagellated zoospores , zoosporangia

Question 9

Sexual reproduction in green algae is only isogamous. True or false

Answer 9

False - all 3 types iso , aniso , oogamous

Question 10

Green algae examples :

Answer 10

Chlamydomonas ( unicellular) , volvox , ulothrix , spirogyra , chara