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 |
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 |
Statement I: | All three classes of algae possess cellulose in their cell walls. |
Statement II: | Rhodophyceae lacks flagella, whereas Chlorophyceae can have up to 8 flagella. |
Statement III: | Phaeophyceae stores food in the form of laminarin and starch. |
1. | Kelps | 2. | Ectocarpus |
3. | Spirogyra | 4. | Polysiphonia |
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