List-I | List-II | ||
A. | Microscopic angiosperm | I. | Salvinia |
B. | Tallest gymnosperm | II. | Marchantia |
C. | Thalloid bryophyte | III. | Sequoia |
D. | Heterosporous pteridophyte | IV. | Wolffia |
In bryophytes and pteridophytes, transport of male gametes requires?
1. | insects | 2. | birds |
3. | water | 4. | wind |
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 |
In ferns, Meiosis takes place at the time of:
1. Spore formation
2. Spore germination
3. Gamete formation
4. Antheridia and archegonia formation
Which one of the following pairs of plants are not seed producers:
1. Fern and Funaria
2. Funaria and Ficus
3. Ficus and Chlamydomonas
4. Punica and Pinus
A prothallus is
1. | a structure in pteridophytes formed before the thallus develops |
2. | a sporophytic free living structure formedin pteridophytes |
3. | a gametophyte free living structure formed in pteridophytes |
4. | a primitive structure formed after fertilisation in pteridophytes |
List-I | List-II | ||
(a) | Chlamydomonas | (i) | Moss |
(b) | Cycas | (ii) | Pteridophyte |
(c) | Selaginella | (iii) | Alga |
(d) | Sphagnum | (iv) | Gymnosperm |
(a) | (b) | (c) | (d) | |
1. | (iii) | (i) | (ii) | (iv) |
2. | (iii) | (iv) | (ii) | (i) |
3. | (iii) | (ii) | (i) | (iv) |
4. | (ii) | (iii) | (i) | (iv) |
Strobili or cones are found in:
1. | Pteris | 2. | Marchantia |
3. | Equisetum | 4. | Salvinia |
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 |