Select Question Set:
Q. No.What makes Red Algae different from Green Algae and Brown Algae?
1.
Unlike Green Algae and Brown Algae, Red Algae do not have chlorophyll a.
2.
Unlike Green Algae and Brown Algae, Red Algae have no differentiated cells.
3.
Unlike Green Algae and Brown Algae, Red Algae are not photosynthetic.
4.
Unlike Green Algae and Brown Algae, Red Algae do not have any flagellated stages in their life cycles.
Subtopic: Algae | Rhodophyceae: Red Algae and Importance of Algae |
90%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
Where does the early embryonic development of zygote in bryophytes take place?
| 1. | In the Protonema. | 2. | In the Sporangium. |
| 3. | In the Antheridium. | 4. | In the Archegonium. |
Subtopic: Bryophytes |
60%
Level 2: 60%+
Please attempt this question first.
Hints
Please attempt this question first.
In pteridophytes:
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
| I: | The main plant body is diploid |
| II: | Body is differentiated in true roots, stems, and leaves |
| III: | Roots, stems, and leaves possess well differentiated vascular tissues |
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Subtopic: Pteridophytes |
85%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
Which of the following will be true for both bryophytes and pteridophytes?
| 1. | They reproduce only asexually |
| 2. | They are vascular cryptogams |
| 3. | They have a dominant gametophyte |
| 4. | They require water for fertilisation |
Subtopic: Bryophytes | Pteridophytes |
86%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
Consider the given two statements:
| Statement I: | All algae contain chlorophyll a as the primary photosynthetic pigment. |
| Statement II: | All algae reproduce sexually by the production of spores. |
| 1. | Both Statement I and Statement II are true |
| 2. | Statement I is true but Statement II is false |
| 3. | Statement I is false but Statement II is true |
| 4. | Both Statement I and Statement II are false |
Subtopic: Algae |
66%
Level 2: 60%+
Please attempt this question first.
Hints
Please attempt this question first.
The composition of the cell wall in algae varies widely among different groups. Which of the following is not a common component of algal cell walls?
| 1. | Cellulose | 2. | Pectin |
| 3. | Chitin | 4. | Algin |
Subtopic: Algae |
84%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
What is the key difference between bryophytes and pteridophytes?
| 1. | Bryophytes are vascular plants, whereas pteridophytes are non-vascular. |
| 2. | Bryophytes have seeds, while pteridophytes reproduce through spores. |
| 3. | Pteridophytes have a well-developed vascular system, unlike bryophytes. |
| 4. | Bryophytes are predominantly aquatic, while pteridophytes are terrestrial |
Subtopic: Bryophytes | Pteridophytes |
89%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
Which classes of algae are characterized by the presence of chlorophyll a?
1. Only I and II
2. Only II and III
3. Only I and III
4. I, II and III
| I: | Chlorophyceae |
| II: | Phaeophyceae |
| III: | Rhodophyceae |
1. Only I and II
2. Only II and III
3. Only I and III
4. I, II and III
Subtopic: Pheophyceae: Brown Algae | Rhodophyceae: Red Algae and Importance of Algae | Chlorophyceae: Green Algae |
90%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
Red algae are characterized by:
| 1. | Having chlorophyll a and b |
| 2. | Storing food as starch |
| 3. | Their red color due to the pigment phycoerythrin |
| 4. | Floating freely in fresh water habitats |
Subtopic: Rhodophyceae: Red Algae and Importance of Algae |
96%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
Which of the following is a comparison between Pteridophytes and Gymnosperms?
| 1. | Both reproduce sexually through seeds. |
| 2. | Pteridophytes have a well-developed vascular system, whereas gymnosperms do not. |
| 3. | Pteridophytes reproduce through spores, while gymnosperms reproduce through seeds. |
| 4. | Both are non-flowering plants that reproduce asexually. |
Subtopic: Pteridophytes | Gymnosperms |
79%
Level 2: 60%+
Please attempt this question first.
Hints
Please attempt this question first.
Select Question Set:
© 2025 GoodEd Technologies Pvt. Ltd.