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Q. Unbranched stems and pinnate leaves are characteristic features of -----------------.

NTA AbhyasNTA Abhyas 2022

Solution:

In Cycas, the stems are unbranched. The leaves may be simple or compound. Pinnate leaves persist for few years. The leaves in gymnosperms are well-adapted to withstand extremes of temperature, humidity and wind. In conifers, the needle-like leaves reduce the surface area. Their thick cuticle and sunken stomata also help to reduce water loss.