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Question
Stem distinctly differentiated into node and internode in
Stem distinctly differentiated into node and internode in
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Solution
The correct option is C Sphenopsida
The plants consist of upright aerial stems, which arise from a very extensive underground rhizome system. The upright aerial stems exhibit a monopodial branching pattern, having one main axis of growth. Sphenopsids are characterized by jointed stems with whorls of leaves and branches borne at the joints which are called as nodes. The internodal part of the stem is vertically ridged and spores are produced in rings of sporangia arranged in cones, usually at the tips of the fertile shoots.Thus, the correct answer is option C.
The plants consist of upright aerial stems, which arise from a very extensive underground rhizome system. The upright aerial stems exhibit a monopodial branching pattern, having one main axis of growth. Sphenopsids are characterized by jointed stems with whorls of leaves and branches borne at the joints which are called as nodes. The internodal part of the stem is vertically ridged and spores are produced in rings of sporangia arranged in cones, usually at the tips of the fertile shoots.
Thus, the correct answer is option C.
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