- 1(current)
Q. No.Consider the following four statements whether they are correct or wrong,
(A) The sporophyte in liverworts is more elaborate than that in mosses.
(B) Salvinia is heterosporous.
(C) The life-cycle in all seed-bearing plants is diplontic.
(D) In Pinus, male and female cones are borne on different trees.
The two wrong statements together are
| 1. (A) and (C) | 2. (A) and (D) |
| 3. (B) and (C) | 4. (A) and (B) |
Which one of the following is a correct statement?
1. Pteridophyte gametophyte has a protonemal and leafy stage
2. In gymnosperms, female gametophyte is free-living
3. Antheridiophores and archegoniophores are present in pteridophytes
4. Origin of seed habit can be traced in pteridophytes
Which set contains flagellated male gametes?
1. Spirogyra, Anthoceros and Funaria
2. Zygnema, Saprolegnia and Hydrilla
3. Fucus, Marsilea and Calotropis
4. Riccia, Dryopteris and Cycas
Selaginella and Salvinia are considered to represent a significant step toward evolution of seed habit because:
| 1. | Female gametophyte is free and gets dispersed like seeds. |
| 2. | Female gametophyte lacks archegonia. |
| 3. | Megaspores possess endosperm and embryo surrounded by seed coat. |
| 4. | Embryo develops in female gametophyte which is retained on parent sporophyte. |
In ferns, Meiosis takes place at the time of:
1. Spore formation
2. Spore germination
3. Gamete formation
4. Antheridia and archegonia formation
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 |
Examine the figures A, B, C and D. In which one of the four options all the items, A, B, C and D are correct?
Options :
| A | B | C | D | |
| 1. | Equisetum | Ginkgo | Selaginella | Lycopodium |
| 2. | Selaginella | Equisetum | Salvinia | Ginkgo |
| 3. | Funaria | Adiantum | Salvinia | Riccia |
| 4. | Chara | Marchantia | Fucus | Pinus |
- 1(current)
Q. No.
© 2025 GoodEd Technologies Pvt. Ltd.