Gagnepain and Boureau (1946, 1947) included Exocarpus among Gymnosperms and placed it in a separate family Exocarpaceae near Taxaceae, on the basis of which of the following features?
A. 'Naked' ovule
B. Articulated pedicel
C. Presence of a pollen chamber
D. All of the above
Answer: Option D
Related Questions on Plant Anatomy and Physiology
A. Cinnamomum - Amoora association
B. Bischofia - Dillenia association
C. Shorea - Lagerstroemia association
D. Mesua - Michelia association
Which of the following react with haemoglobin, forming methemoglobin which will not take up oxygen?
A. Nitrates
B. Nitrites
C. Carbides
D. Oxides
Internally, hydathode shows a group of loosely arranged parenchymatous cells called as
A. Epiderm
B. Epithelium
C. Ampithecium
D. Epithem

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