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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, 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
How many of the above statements is/are correct?
Subtopic: Algae | Pteridophytes | Gymnosperms |
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AIPMT - 2012
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Which one of the following pairs is wrongly matched?
1. Salvinia - Prothallus
2. Viroids – RNA
3. Mustard-Synergids
4. Ginkgo-Archegonia
Subtopic: Pteridophytes |
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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: Algae |
58%
From NCERT
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In pteridophytes, antheridium are present in :-
1. Leafy gametophyte
2. Prothallus
3. Sporophyll
4. Protonema
Subtopic: Pteridophytes |
52%
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Which of the following algae is not haplo-diplontic?
1. Kelps
2. Ectocarpus
3. Spirogyra
4. Polysiphonia
1. Kelps
2. Ectocarpus
3. Spirogyra
4. Polysiphonia
Subtopic: Algae |
59%
From NCERT
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Which of the following statements would be true for brown algae?
| 1. | Major pigments are chlorophyll a, c and fucoxanthin. |
| 2. | Food is stored as floridean starch. |
| 3. | Vegetative cells have wall made of cellulose, pectin and polysulphate esters. |
| 4. | Flagellar number and insertions are 2, equal and apical. |
Subtopic: Pheophyceae: Brown Algae |
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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
1. Presence of archegonia
2. Well-developed vascular tissues
3. Independent gametophyte
4. Independent sporophyte
Subtopic: Bryophytes | Pteridophytes | Gymnosperms |
56%
From NCERT
NEET - 2013
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Unlike bryophytes and pteridophytes, in gymnosperms:
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | the male and the female gametophytes do not have an independent free-living existence. |
| II: | vascular tissues [xylem and phloem] are present. |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: General Accounts of Gymnosperms: II |
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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 |
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Select the incorrect statement about artificial system of classification of Linnaeus
| 1. | It is called artificial system because it is based on only one or two characters |
| 2. | It was based on androecium structure |
| 3. | It is also called sexual system as he chiefly used characters of stamens |
| 4. | It divides flowering and non-flowering plants into two categories |
Subtopic: Classification System |
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