1. ferns
2. gymnospermous wood
3. angiospermous flowers.
4. angispermous wood.
gymnospermous wood
1. enclosed by Cycas are:
2. enclosed within flower
3. naked and no fruit wall
4. absent.
naked and no fruit wall
1. Shed every year
2. Shed after 2-3 years
3. Shed after five years
4. Never shed.
Shed after 2-3 years
1. South America
2. North America
3. Sout East Asia
4. Europe.
Sout East Asia
1. Protoxylem
2. Vessels
3. Metaxylem
4. Tracheids
Vessels
1. Non-ciliate
2. Multicilate
3. Bicillate
4. Unicilate.
Non-ciliate
1. sulphur springs
2. yellow colour of pollen grains
3. pollen dust of pinus
4. None of the above.
pollen dust of pinus
1. male strobilus (cone) and megasporophylls occur on separate individuals.
2. male strobilus and megasporophylls occur on the same individual
3. the same cone consists of both micro-and mega-sporophylls
4. the same sporophyll bears micro-sporangia and ovules.
male strobilus (cone) and megasporophylls occur on separate individuals.
1. uniseriate bordered pits
2. biseriate bordered pits
3. multiseriate bordered pits
4. None of the above.
multiseriate bordered pits
1. Monocots
2. Dicots
3. Both A and B
4. Gymnosperms.
Gymnosperms.