- 1(current)
Q. No.Which one of the following structures is haploid in its ploidy level?
1. Primary Endospore Nucleus
2. Microspore Mother cell
3. Protonemal cell of a moss
4. Primary endosperm nucleus in dicot
Subtopic: Miscellaneous |
75%
Level 2: 60%+
NEET - 2022
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: Miscellaneous |
57%
Level 3: 35%-60%
AIPMT - 2013
Hints
Match the plant with the kind of life cycle it exhibits:
Choose the correct answer from the options given below:
| List-I | List-II | ||
| (a) | Spirogyra | (i) | Dominant diploid sporophyte vascular plant, with highly reduced male or female gametophyte |
| (b) | Fern | (ii) | Dominant haploid free-living gametophyte |
| (c) | Funaria | (iii) | Dominant diploid sporophyte alternating with reduced gametophyte called prothallus |
| (d) | Cycas | (iv) | Dominant haploid leafy gametophyte alternating with partially dependent multicellular sporophyte |
Choose the correct answer from the options given below:
| (a) | (b) | (c) | (d) | |
| 1. | (ii) | (iv) | (i) | (iii) |
| 2. | (iv) | (i) | (ii) | (iii) |
| 3. | (ii) | (iii) | (iv) | (i) |
| 4. | (iii) | (iv) | (i) | (ii) |
Subtopic: Miscellaneous |
69%
Level 2: 60%+
NEET - 2022
Hints
Match List-I with List-II:
| List-I | List-II | ||
| a. | Cedrus | (i) | Pteridophyte |
| b. | Adiantum | (ii) | Gymnosperm |
| c. | Sphagnum | (iii) | Liverwort |
| d. | Marchantia | (iv) | Moss |
Choose the correct answer from the options given below:
| a | b | c | d | |
| 1. | (ii) | (iii) | (i) | (iv) |
| 2. | (iii) | (i) | (iv) | (ii) |
| 3. | (ii) | (i) | (iv) | (iii) |
| 4. | (iii) | (iv) | (ii) | (i) |
Subtopic: Miscellaneous |
88%
Level 1: 80%+
NEET - 2022
Hints
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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: Miscellaneous |
Level 4: Below 35%
AIPMT - 2012
Hints
Which one of the following pairs is wrongly matched?
| 1. | Salvinia - Prothallus | 2. | Viroids – RNA |
| 3. | Mustard-Synergids | 4. | Ginkgo-Archegonia |
Subtopic: Miscellaneous |
Level 3: 35%-60%
AIPMT - 2012
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: Miscellaneous |
58%
Level 3: 35%-60%
NEET - 2013
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: Miscellaneous |
59%
Level 3: 35%-60%
NEET - 2015
Hints
- 1(current)
Q. No.
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