Chlorophyceae

Question 1

What are some common genera of green algae?

Answer 1

Chlamydomonas, Volvox, Ulothrix, Spirogyra, Chara

These genera represent a variety of forms and reproductive strategies within green algae.

Question 2

What are the three types of sexual reproduction found in green algae?

Answer 2

Isogamous, anisogamous, oogamous

These terms refer to the types of gametes produced during sexual reproduction.

Question 3

What type of spores do green algae produce asexually?

Answer 3

Flagellated zoospores

These are produced in specialized structures called zoosporangia.

Question 4

How does vegetative reproduction occur in green algae?

Answer 4

By fragmentation or by other means

Fragmentation involves breaking into parts that can grow into new individuals.

Question 5

What is the composition of the cell wall in green algae?

Answer 5

An inner layer of cellulose and an outer layer of pectose

This structure provides rigidity and protection.

Question 6

What is the primary storage compound found in green algae?

Answer 6

Starch

Some species may also store food in the form of oils.

Question 7

What are pyrenoids and where are they located?

Answer 7

Storage bodies in chloroplasts

Pyrenoids contain enzymes that aid in carbon fixation.

Question 8

What pigments dominate in green algae?

Answer 8

Chlorophyll a and b

These pigments contribute to the characteristic green color of these algae.

Question 9

What forms can the plant body of green algae take?

Answer 9

Unicellular, colonial, filamentous, plate-like, reticulate, curved, spiral, ribbon-shaped

The diversity in forms allows for adaptation to various environments.

Question 10

True or False: All members of Chlorophyceae are unicellular.

Answer 10

False

Members can be unicellular or multicellular, demonstrating significant diversity.