- 1(current)
Q. No.Given are the following five statements (I - V) for your consideration:
| I: | In Equisetum, the female gametophyte is retained on the parent sporophyte |
| II: | In Ginkgo, the male gametophyte is not independent |
| III: | The sporophyte in Marchantia is more developed than that in Polytrichum |
| IV: | Sexual reproduction in Volvox is isogamous |
| V: | The spores of slime moulds lack cell walls |
How many of the above statements is/are correct?
| 1. | Three | 2. | Four |
| 3. | One | 4. | Two |
Subtopic: Â Algae |Â Pteridophytes |Â Gymnosperms |
Level 4: Below 35%
AIPMT - 2012
Hints
If you are asked to classify the various algae into distinct groups, which of the following character would you choose?
| 1. | Types of pigments present in the cell |
| 2. | Nature of stored food material in the cell |
| 3. | Structural organization of thallus |
| 4. | Chemical composition of the cell wall |
Subtopic: Â Algae |
 61%
Level 2: 60%+
Please attempt this question first.
Hints
Please attempt this question first.
Consider the given statements:
1. Only Statement II is correct
2. Both Statement I and Statement II are correct
3. Only Statement III is correct
4. All Statements are correct
| Statement I: | All three classes of algae possess cellulose in their cell walls. |
| Statement II: | Rhodophyceae lacks flagella, whereas Chlorophyceae can have up to 8 flagella. |
| Statement III: | Phaeophyceae stores food in the form of laminarin and starch. |
2. Both Statement I and Statement II are correct
3. Only Statement III is correct
4. All Statements are correct
Subtopic: Â Algae |
 50%
Level 3: 35%-60%
Please attempt this question first.
Hints
Please attempt this question first.
Which of the following algae is not haplo-diplontic?
| 1. | Kelps | 2. | Ectocarpus |
| 3. | Spirogyra | 4. | Polysiphonia |
Subtopic: Â Algae |
 59%
Level 3: 35%-60%
Please attempt this question first.
Hints
Please attempt this question first.
Read the following statements (A-E) and answer the question which follows them.
| A: | In liverworts, mosses, and ferns gametophytes are free-living |
| B: | Gymnosperms and some ferns are heterosporous |
| C: | Sexual reproduction in Fucus, Volvox and Albugo is oogamous |
| D: | The sporophyte in liverworts is more elaborate than that in mosses |
| E: | Both, Pinus and Marchantia are dioecious |
How many of the above statements are correct?
1. Two
2. Three
3. Four
4. One
Subtopic: Â Algae |Â Bryophytes |Â Gymnosperms: I |Â Gymnosperms |
 57%
Level 3: 35%-60%
AIPMT - 2013
Hints
- 1(current)
Q. No.
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