- 1(current)
Q. No.
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Match each item in Column I with one in Column II and select the correct answer from the codes given:
|
Column I |
Column II |
|
A. Floridean starch |
a. It is created by photosynthesis and is made up of β(1→3)-glucan with β(1→6)-branches |
|
B. Laminarin |
b. An α-linked glucose polymer with a degree of branching intermediate between amylopectin and glycogen |
|
C. Mannitol |
c. A sugar alcohol, an isomer of sorbitol |
Codes
| A | B | C | |
| 1. | a | b | c |
| 2. | a | c | b |
| 3. | b | a | c |
| 4. | c | b | a |
Subtopic: Pheophyceae: Brown Algae | Rhodophyceae: Red Algae and Importance of Algae | Chlorophyceae: Green Algae |
70%
Level 2: 60%+
Hints
Sexual reproduction is oogamous and accompanied by complete post-fertilization developments in the members of:
| 1. | Chlorophyceae |
| 2. | Phaeophyceae |
| 3. | Rhodophyceae |
| 4. | Both Chlorophyceae and Phaeophyceae |
Subtopic: Rhodophyceae: Red Algae and Importance of Algae |
73%
Level 2: 60%+
Hints
All the following are members of rhodophyceae except:
| 1. | Polysiphonia | 2. | Laminaria |
| 3. | Gracilaria | 4. | Gelidium |
Subtopic: Rhodophyceae: Red Algae and Importance of Algae |
94%
Level 1: 80%+
Hints
Which of the following is expected to be found in deepest waters?
| 1. | Red algae | 2. | Green algae |
| 3. | Brown algae | 4. | Blue green algae |
Subtopic: Rhodophyceae: Red Algae and Importance of Algae |
84%
Level 1: 80%+
Hints
Red algae photosynthesize at ocean depths greater than any other group of algae and hence can be found in deepest waters because they
| 1. | contain a higher concentration of chlorophyll |
| 2. | have an extremely large surface area to capture the little amount of light that reaches them |
| 3. | contain the pigment phycoerythrin |
| 4. | periodically float to the surface and intercept light, then move back to the ocean floor |
Subtopic: Rhodophyceae: Red Algae and Importance of Algae |
69%
Level 2: 60%+
Hints
- 1(current)
Q. No.
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