Lec10, Red

Question 1

species maintained normal form and pigmentat

Answer 1

epiphytic species of reg algae

Question 2

species maintained normal form and pigmentat

Answer 2

epiphytic species of reg algae

Question 3

species show a great reduction in their form and pigmenta

Answer 3

Parasitic species of red algae

Question 4

In red algae Chlorophyll-b which is replaced by

Answer 4

Chlorophyll-d

Question 5

Female sex organs in red algae are known

Answer 5

carpogonia

Question 6

Female sex organs in red algae are known

Answer 6

carpogonia

Question 7

Male sex organs in red algae are known as

Answer 7

spermatangia.

Question 8

unicellular species of red algae

Answer 8

Porphyridium

Question 9

Polysiphonia is type of?

Answer 9

Filamentous red algae

Question 10

Porphyra have a……… thalli

Answer 10

parenchymatous

Question 11

Cellulose is considered to be absent in some red alage such
as

Answer 11

Porphyra

Question 12

colour of the red algae is due to

Answer 12

the presence of water soluble phycobilin pigments

Question 13

These phycobiliproteins are arranged in large pigment protein complex called

Answer 13

phycobilisome

Question 14

prefer still waters and appear brownishred to purple-red.

Answer 14

Polysiphonia

Question 15

Some species of Polysiphonia are epiphytic, lithophytic or semi-parasitic .

Answer 15

P.ferulaceae is epiphytic on Gelidium sp.

Question 16

thallus appears as a bushy structure in?

Answer 16

Polysiphonia, Due to repeated branching

Question 17

They are formed only in the older branc

Answer 17

Cortical cells (cortical siphon)