1. | Seeds are absent. |
2. | Gymnosperms have flowers for reproduction. |
3. | Seeds are enclosed in fruits. |
4. | Seeds are naked. |
List-I | List-II | ||
A. | Pteridophyte | I. | Salvia |
B. | Bryophyte | II. | Ginkgo |
C. | Angiosperm | III. | Polystrichum |
D. | Gymnosperm | IV. | Salvinia |
A. | Prothallus stage |
B. | Meiosis in spore mother cells |
C. | Fertilisation |
D. | Formation of archegonia and antheridia in gametophyte. |
E. | Transfer of antherozoids to the archegonia in presence of water. |
A: | Asexual reproduction occurs usually by biflagellate zoospores. |
B: | Sexual reproduction is by oogamous method only. |
C: | Stored food is in the form of carbohydrates which is either mannitol or laminarin. |
D: | The major pigments found are chlorophyll a, c and carotenoids and xanthophyll. |
E: | Vegetative cells have a cellulosic wall, usually covered on the outside by gelatinous coating of algin. |
List-I | List-II | ||
A. | Microscopic angiosperm | I. | Salvinia |
B. | Tallest gymnosperm | II. | Marchantia |
C. | Thalloid bryophyte | III. | Sequoia |
D. | Heterosporous pteridophyte | IV. | Wolffia |
1. | Sphenopsida-Adiantum | 2. | Pteropsida-Dryopteris |
3. | Psilopsida-Psilotum | 4. | Lycopsida - Selaginella |
Assertion (A): | The first stage of gametophyte in the life cycle of moss is protonema stage. |
Reason (R): | Protonema develops directly from spores produced in capsule. |
1. | (A) is False but (R) is True. |
2. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
3. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
4. | (A) is True but (R) is False. |