BOTANY

Detailed explanation-1: -Toothed or serrated margin is seen in rose and china rose, These leaves have tooth-like or saw like edges. Thus the correct answer is option C.

Detailed explanation-2: -Some examples of trees with serrate leaves include apple trees (Malus domestica), boxelder trees (Acer negundo). Black cherry trees (Prunus serotina) and most poplars (Populus spp.) also have serrate leaf margins.

Detailed explanation-3: -Definitions of serrate leaf. a leaf having a margin notched like a saw with teeth pointing toward the apex.

Detailed explanation-4: -Toothed or Serrated Leaf: The margin has a series of toothlike pointed teeth around the entire leaf edge. Examples are elm and mulberry tree leaves.

Detailed explanation-5: -Leaves with ‘toothed’ edges help trees, shrubs and other plants cope with the cold, US researchers say. And studying leaves from ancient and existing plants could help to reveal past and present climates, they say in the current isssue of the International Journal of Plant Sciences.