Biology · PLANT KINGDOM

Compare the distribution of male and female strobili in Pinus and Cycas:

1. A
   Pinus is dioecious (male and female cones on different trees); Cycas is monoecious (on same tree).
2. B
   Both Pinus and Cycas bear male and female cones on separate branches of the same tree.
3. C
   Pinus has male and female cones borne on the same tree; in Cycas male cones and megasporophylls are borne on different trees.
4. D
   Both Pinus and Cycas lack male cones and produce bisexual strobili exclusively.