Q. No.Selaginella and Salvinia are considered to represent a significant step towards the evolution of seed habit because:
| 1. | Embryo develops in female gametophyte which is retained on parent sporophyte. |
| 2. | Female gametophyte is free and gets dispersed like seeds. |
| 3. | Female gametophyte lacks archegonia. |
| 4. | Megaspores possess endosperm and embryo surrounded by a seed coat. |
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 |
Which one of the following is a vascular cryptogam?
| 1. | Equisetum | 2. | Ginkgo |
| 3. | Marchantia | 4. | Cedrus |
In the prothallus of a vascular cryptogam, the antherozoids and eggs mature at different times. As a result:
| 1. | there is no change in the success rate of fertilization |
| 2. | there is a high degree of sterility |
| 3. | one can conclude that the plant is apomictic |
| 4. | self-fertilization is prevented |
Match items in Column I with those in Column II:
| (A) | Peritrichous flagellation | (J) | Ginkgo |
| (B) | Living fossil | (K) | Macrocystis |
| (C) | Rhizophore | (L) | Escherichia coli |
| (D) | Smallest flowering plant | (M) | Selaginella |
| (E) | Largest Perennial alga | (N) | Wolffia |
Select the correct answer with the following
1. A –L ; B –J; C –M ; D – N ; E – K
2. A– K ; B – J; C – L ; D –M; E – N
3. A– J ; B – K; C – N ; D –L; E – K
4. A– N ; B – L; C – K ; D – N; E –J
Which of the following propagates through the leaf tip:
1. Sprout-leaf plant
2. Marchantia
3. Moss
4. Walking fern
Plants reproducing by spores such as mosses and ferns are grouped under the general term:
1. Cryptogams
2. Bryophytes
3. Sporophytes
4. Thallophytes
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
In ferns, Meiosis takes place at the time of:
1. Spore formation
2. Spore germination
3. Gamete formation
4. Antheridia and archegonia formation
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