1. dorsally
2. ventrally
3. laterally
4. apically
laterally
1. simple plyembryony
2. cleavage polyembryony
3. both simple and cleavage polyembryony
4. None of the above.
both simple and cleavage polyembryony
1. parent sporophyte, gametophyte and future sporophyte.
2. parent gametophyte, sporophyte and future gametophyte
3. parent sporophyte, sporophyte, future gametophyte
4. All three sporophytes.
parent sporophyte, gametophyte and future sporophyte.
1. Aracaria auracana
2. Pinus roxburghii
3. Taxodium
4. Cedrus deodora.
Aracaria auracana
1. one year
2. two year
3. three year
4. four year.
three year
1. producing two male gametes
2. producing a pollen tube with a tube nucleus
3. producing a pollen tube and a nucleus.
4. starting its formation in situ.
producing a pollen tube with a tube nucleus
1. Root
2. Stem
3. Leaflet
4. Rachis and leaflet.
Rachis and leaflet.
1. Steam
2. Normal roots
3. Coralloid roots
4. Leaflet.
Coralloid roots
1. Needles
2. Scales
3. Dwarf shoots
4. Long shoots.
Dwarf shoots
1. flower
2. megasporophyll
3. inflorescence
4. microsporophyll
inflorescence