Which of the following genera is associated with coralloid roots?
| 1. | Cycas | 2. | Taxus |
| 3. | Pinus | 4. | Sequoia |
Match the following selected the correct option.
| Column - I | Column - II | ||
| A. | Pteris | (i) | Gymnosperm |
| B. | Cycas | (ii) | Bryophyte |
| C. | Sphagnum | (iii) | Algae |
| D. | Sargassum | (iv) | Pteridophyta |
1. A - (iv), B - (ii), C - (i), D - (iii)
2. A - (iv), B - (i), C - (ii), D - (iii)
3. A - (ii), B - (iii), C - (iv), D - (i)
4. A - (i), B - (iv), C - (iii), D - (ii)
Which of the following groups of algae produces algin?
| 1. | Phaeophyceae and Chlorophyceae |
| 2. | Rhodophyceae and Phaeophyceae |
| 3. | Chlorophyceae and Rhodophyceae |
| 4. | Phaeophyceae only |
Which of the following are homosporous pteridophytes?
| I. | Selaginella |
| II. | Lycopodium |
| III. | Salvinia |
| IV. | Equisetum |
1. I and IV only
2. II and III only
3. II and IV only
4. III and IV only
Pick the correct group consisting of all genera exhibiting homospory.
| 1. | Lycopodium, Psilotum, Selaginella, Equisetum |
| 2. | Equisetum, Pteris, Salvinia, Psilotum |
| 3. | Salvinia, Pteris, Lycopodium, Selaginella |
| 4. | Equisetum, Psilotum, Lycopodium, Pteris |
In the given diagrams, some of the algae have been labelled as A, B, C, D and E. Choose the correct option to identify these algae.
| A | B | C | D | E | |
| 1. | Dictyota | Polysiphonia | Porphyra | Fucus | Laminaria |
| 2. | Porphyra | Dictyota | Laminaria | Fucus | Polyspiphonia |
| 3. | Dictyota | Polysiphonia | Porphyra | Laminaria | Fucus |
| 4. | Fucus | Porphyra | Dictyota | Polysiphonia | Laminaria |
Classical Taxonomy is based on
| 1. | morphological traits |
| 2. | habitat of organisms |
| 3. | similarities and dissimilarities of behaviour |
| 4. | phylogeny |
Read the following statements reagrding bryophytes and choose the incorrect option.
| 1. | Gametophytic phase is dominant in life cycle |
| 2. | Fertilisation takes place in presence of water |
| 3. | Zygote undergoes meiosis to produce sporophyte |
| 4. | Sporophyte isphysiologically dependent on gametophyte |
Gelatin, an important raw material for preparation of photographic emulsion is a by product of
(1) chicken
(2) forest
(3) cattle
(4) fish
Phylogenetic system of classification includes
| 1. | evolutionary trends only |
| 2. | genetic trends only |
| 3. | evolutionary trend as well as morphology |
| 4. | behavioural trends in environment |