- 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: Algae | Pteridophytes | Gymnosperms |
Level 4: Below 35%
AIPMT - 2012
Hints
In pteridophytes, antheridium are present in :-
1. Leafy gametophyte
2. Prothallus
3. Sporophyll
4. Protonema
Subtopic: Pteridophytes |
53%
Level 3: 35%-60%
Hints
Links
Given below are two statements:
| Assertion (A): | Water is required for transfer of male gametes to archegonium in ferns |
| Reason (R): | Ferns bear sporangia on gametophytes which in turn bear diploid sex organs |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Pteridophytes |
Level 3: 35%-60%
Please attempt this question first.
Hints
Please attempt this question first.
Regarding the figure given below:
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Neither I nor II are correct
| I: | It is a heterosporous pteridophyte. |
| II: | It belongs to Psilopsida. |
2. Only II is correct
3. Both I and II are correct
4. Neither I nor II are correct
Subtopic: Pteridophytes |
Level 3: 35%-60%
Please attempt this question first.
Hints
Please attempt this question first.
Consider the given two statements:
| Statement I: | Ferns have small leaves called microphylls |
| Statement II: | Equisetum has strobili or cones |
| 1. | Statement I is correct; Statement II is correct |
| 2. | Statement I is correct; Statement II is incorrect |
| 3. | Statement I is incorrect; Statement II is correct |
| 4. | Statement I is incorrect; Statement II is incorrect |
Subtopic: Pteridophytes |
63%
Level 2: 60%+
Please attempt this question first.
Hints
Please attempt this question first.
Which one of the following pairs is wrongly matched?
1. Salvinia - Prothallus
2. Viroids – RNA
3. Mustard-Synergids
4. Ginkgo-Archegonia
Subtopic: Pteridophytes |
Level 3: 35%-60%
AIPMT - 2012
Hints
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: Bryophytes | Pteridophytes | Gymnosperms |
59%
Level 3: 35%-60%
NEET - 2015
Hints
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: Bryophytes | Pteridophytes | Gymnosperms |
58%
Level 3: 35%-60%
NEET - 2013
Hints
- 1(current)
Q. No.
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