- 1(current)
Q. No.
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Evolutionarily, the first terrestrial plants to possess vascular tissues are:
| 1. | Bryophytes | 2. | Pteridophytes |
| 3. | Gnetales | 4. | Cycads |
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A prothallus is
| 1. | A structure in pteridophytes formed before the thallus develops |
| 2. | A sporophytic free living structure formed in pteridophytes |
| 3. | A gametophyte free living structure formed in pteridophytes |
| 4. | A primitive structure formed after fertilization in pteriodophytes |
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To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Consider the following two statements:
I. The spread of living pteridophytes is restricted to narrow geographical regions
II. They are the first terrestrial plants to possess vascular tissues
1. Both I and II are correct and II explains I
2. Both I and II are correct but II does not explain I
3. I is true but II is false
4. I is false but II is true
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Which of the following does not belong to the class Pteropsida?
| 1. | Dryopteris | 2. | Adiantum |
| 3. | Pteris | 4. | Lycopodium |
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Identify the incorrect statement:
| 1. | As compared to the bryophytes, pteridophytes have sporophyte as the main plant body |
| 2. | Pteridophyte sporophyte has well differentiated true roots, stem and leaves |
| 3. | Selaginella has macrophylls like ferns |
| 4. | In sporophyte of ferns, leaf-like appendages called sporophylls subtend sporangia |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Consider the following statements:
I. Pteridophytes are the first terrestrial plants to possess vascular bundles.
II. Main plant body in pteridophytes is sporophyte which is differentiated into true stem and leaves.
III. Genera like Selaginella and Salvinia are heterosporous.
Which of the above statements are true?
| 1. | I and II only | 2. | I and III only |
| 3. | II and III only | 4. | I, II and III |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
The given diagram shows :
| 1. An alga that lacks flagellated cells 2. A liverwort 3. A heterosporous pteridophyte 4. A gymnosperm with non motile sperms |
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To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
- 1(current)
Q. No.
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