PRACTICE QUESTION SET
TOPIC: - RED ALGAE
1. Name the fresh water red algae.
2. Which red algae is colourless and parasitic on other red
algae?
3. Match the columns: -
|
Column ’A’ |
Column ’B’ |
|
a.
unicellular |
1.
Gelidium |
|
b.
Parenchymatous sheet |
2.
Porphyra |
|
c.
Ribbons |
3.
Porphyridium |
|
d.
Lace-like |
4.
Chondrus |
|
|
5.
Asterocystis |
|
|
|
4. What is the cell wall composition of Red algae?
5. Name the different phycocolloids present in red algae.
6. What is coralline?
7. What is the importance of coralline algae?
8. What are chromatophores in red algae?
9. Name the different types of photosynthetic pigments in red
algae.
10. Name the pigment responsible for red colour in Rhodophyaceae.
11. Why red algae is found in deep sea water?
12. What is the reserved food in red algae?
13. Name the different types of asexual spores in red algae?
14. Which type of sexual reproduction is commonly seen in
Rhodophyceae?
15. What is spermatangium?
16. What is spermatium?
17. What is carpogonium?
18. What is trichogyne?
19. How cystocarp or carposporophyte is produced in
Batrachospermum?
20. What is chantransia stage in Batrachospermum?
21. Which red algae is known as frog spawn alga?
22. Name the different edible red algae.
23. Which red algae is known as Irish moss?
24. Give the various uses of red algae.
25. Name the red algae from which agar is obtained.
26. What is the use of carrageenin?
27. Name the algae from which carrageenin is obtained?
28. What is the use of funori?
29. Which red algae is used as a source of Bromine?
30. Mention different medicinal uses of red algae?
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