SCIENCE
PLANT KINGDOM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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i)
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ii)
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iii)
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iv)
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Detailed explanation-1: -Psilotum and Tmesipteris are two living examples of Psilopsida.
Detailed explanation-2: -Pteridophytes are classified into 4 classes: Psilopsida (e.g. Psilotum) Lycopsida (e.g. Selaginella, Lycopodium) Sphenopsida (e.g. Equisetum)
Detailed explanation-3: -Pteridophytes are divided into four classes: Psilopsida, Sphenopsida, Lycopsida, and Pteropsida. Now let us look at all the options to get the correct answer, -Equisetum and Psilotum-Equisetum is a member of a class called Sphenopsida, whereas Psilotum is a tracheophyte belonging to class Polypodiopsida.
Detailed explanation-4: –Selaginella bryopteris is an example of Lycopsida. Sphenopsida: The plants of this class are referred to as horsetails as their appearance is similar to that of the tail of a horse.