Phylogenetic system of classification is based on
1. | evolutionary relationships |
2. | morphological features |
3. | chemical constituents |
4. | floral characters |
Which one of the following is heterosporous?
1. Dryopteris
2. Salvinia
3. Adiantum
4. Equisetum
A prokaryotic autotrophic nitrogen fixing symbiont is found in
1. | Cycas | 2. | Cicer |
3. | Pisum | 4. | Alnus |
In which one of the following, the male and female gametophytes don't have free-living independent existence?
1. | Pteris | 2. | Funaria |
3. | Polytrichum | 4. | Cedrus |
The gametophyte is not an independent, free living generation in
1. | Adiantum | 2. | Marchantia |
3. | Pinus | 4. | Polytrichum |
Archegoniophore is present in
(1) Chara
(2) Adiantum
(3) Funaria
(4) Marchantia
Male and female gametophytes are independent and free-living in
(1) mustard
(2) castor
(3) Pinus
(4) Sphagnum
Which one of the following is considered important in the development of seed habit?
1. | Dependent sporophyte |
2. | Heterospory |
3. | Haplontic life cycle |
4. | Free-living gametophyte |
Which one of the following is a vascular cryptogam?
1. Equisetum
2. Ginkgo
3. Marchantia
4. Cedrus
Which one of the following has haplontic life cycle?
(1) Funaria
(2) Polytrichum
(3) Ustilago
(4) Wheat