Complex tissue does not occur among

Which of the following is a characteristic of seedless plants?

Provide the appropriate terms for the following analogies:
$(i)$ In Gymnosperms : Diplontic life cycle :: In Pteridophytes : .......
(ii) Ectocarpus : Haplodiplontic life cycle :: Fucus : ..........

What is the carrier of the male gamete in Pinus, Marchantia, Mango, Chara, and Funaria, respectively?
[where $A = \text{Pollen tube}$, $B = H_2O$]

In which of the following groups do the male and female gametophytes have independent,free-living existence?

Which one of the following is linked to the discovery of Bordeaux mixture as a popular fungicide?