PRACTICE QUESTION SET
TOPIC: - BROWN ALGAE
ANSWER THE FOLLOWING QUESTIONS:-
1. What are kelps?
2. In which type of sea are brown algae usually found?
3. What are the different types of photosynthetic pigments present in brown algae?
4. Which pigment is present abundantly in brown algae?
5. What are the different parts of thallus in brown algae?
6. Which phycocolloid is present in cell wall of brown algae?
7. Which is the branched filamentous life form found in brown algae?
8. What is the function of air vesicles or bladders in brown algae?
9. What is the composition of cell wall of brown algae?
10. What are the common phycocolloids in brown algae?
11. What is the function of phycocolloids in brown algae?
12. What is the structure of photosynthetic apparatus in brown algae?
13. What is the stored food material in brown algae?
14. What are the fucosan vesicles?
15. What do you understand by the term heterokont flagellation?
16. How many flagella are present in spores of brown algae and what is their position?
17. What are the different types of sexual reproduction found in brown algae?
18. What kind of life cycle pattern is seen in brown algae?
19. Name the brown algae showing dichotomously branched thallus?
20. Which brown algae is commonly known as rolling alga?
21. Name the brown algae commonly known as gulf weed.
22. Which type of spores are produced by plurilocular sporangia in Ectocarpus?
23. What is the chromosomal status of zoospores produced in uniocular sporangia in Ectocarpus?
24. Name the structure which produces gametes in Ectocarpus.
25. Name the brown algae which are used as food.
26. Name the common algae responsible for fouling of ships.
27. Which brown are used as source of iodine?
28. Name the brown algae which shows medicinal properties.
29. What are the different uses of alginic acid?
30. Name the largest kelp.
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