- 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
Match the correct features with Pinus:
1. Only I and II
2. Only I and III
3. Only II and III
4. I, II and III
| I: | Needle like Leaves |
| II: | Reproduce by spores |
| III: | Male and female cones on the same plant |
2. Only I and III
3. Only II and III
4. I, II and III
Subtopic: Â Gymnosperms |
Level 3: 35%-60%
Please attempt this question first.
Hints
Please attempt this question first.
Read the following five statements (I to V) and select the option with all correct statements.
| I: | Mosses and lichens are the first organisms to colonise bare rock. |
| II: | Selaginella is a homosporous pteridophyte. |
| III: | Coralloid roots in Cycas have VAM. |
| IV: | Main plant body in bryophytes is gametophytic, whereas in pteridophytes it is sporophytic. |
| V: | In gymnosperms, male and female gametophytes are present within sporangia located on sporophytes. |
| 1. | I, III and IV | 2. | II, III and IV |
| 3. | I, IV and V | 4. | II, III and V |
Subtopic: Â Bryophytes |Â Pteridophytes |Â Gymnosperms |
 59%
Level 3: 35%-60%
NEET - 2015
Hints
Consider the following statements about gymnosperms:
Which of the above statements is/are correct?
| Statement I: | Gymnosperms exhibit a dominant sporophyte in their life cycle. |
| Statement II: | Gymnosperms produce seeds and flowers but lack fruit formation. |
| Statement III: | In gymnosperms, male gametophytes are transported by water to fertilize the ovules. |
| 1. | Only I | 2. | Only I and II |
| 3. | Only II and III | 4. | All I, II, and III |
Subtopic: Â Gymnosperms |
 59%
Level 3: 35%-60%
Please attempt this question first.
Hints
Please attempt this question first.
What is common in all the three, Funaria, Dryopteris and Ginkgo?
| 1. | Presence of archegonia |
| 2. | Well-developed vascular tissues |
| 3. | Independent gametophyte |
| 4. | Independent sporophyte |
Subtopic: Â Bryophytes |Â Pteridophytes |Â Gymnosperms |
 58%
Level 3: 35%-60%
NEET - 2013
Hints
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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