1. Manoxylic and homoxylous
2. Manoxylic and heteroxylous
3. Pycnoxylic and homoxylous
4. Pycnoxylic and heteroxylous
Pycnoxylic and homoxylous
1. Megasporophylls
2. Microsporophylls
3. Anthers
4. Ligules.
Microsporophylls
1. Dryoteris
2. Gnetum
3. Ginkgo
4. Palms.
Ginkgo
1. Coralloid root of Cycas
2. Normal root of Cycas
3. Normal root of Pinus
4. Mycorrhizal root of Pinus.
Coralloid root of Cycas
1. Naked ovules
2. Seems like monocot
3. Circinate ptyaxis
4. Compound leaves.
Naked ovules
1. 1-2
2. 2-12
3. 12-24
4. 24-48.
2-12
1. Haplod
2. Diploid
3. Triploid
4. Tetraploid
Haplod
1. Two adaxial microsporangia
2. Two abaxial microsporangia
3. One abaxial microsporangium
4. Four abaxial microsporangia.
Two adaxial microsporangia
1. Sequoia
2. Eucalyptus
3. Pinus
4. Ranunuculus.
Sequoia
1. naked seet without fruit.
2. living fossils
3. vessels present in xylem
4. none of the above.
naked seet without fruit.