SCIENCE
BOTANY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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ROOT
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STEM
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LEAF
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MEOW
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Detailed explanation-1: -Thorns are modified branches or stems. It is a pointed part of the stem. It is derived from the axillary bud of the shoots and possesses vascular bundles. Thus, it can be branched or unbranched and it can have leaves or not.
Detailed explanation-2: -It turns out that spines are derived from leaf tissue and thorns from stem tissue. Prickles come from neither; they are simply corky projections from a plant’s skin, or dermal tissue.
Detailed explanation-3: -Thorns are modified branches or stems. They may be simple or branched.
Detailed explanation-4: -Four examples of thorny or hairy plant stems: a rose, barberry, plum and stinging nettle.
Detailed explanation-5: -Spines, prickles, and thorns can all poke you, but they are defined by the type of tissue they derive from. Broadly speaking, spines derive from leaves, prickles from epidermis, and thorns from stems.