Ace the Certified Arborist 2025 Exam – Branch Out to Success!

Question: 1 / 400

Which tree type features flat single needles directly on the twig?

Poplar tree

Spruce tree

Ash tree

Fir tree

The correct answer is D. Fir tree. Fir trees are known for their unique needle arrangement, where the needles are flat and single, directly attached to the twig. This is a distinct characteristic of fir trees that sets them apart from other tree types.

Poplar trees (Choice A) have simple, alternate leaves, but not needles. Spruce trees (Choice B) feature sharp, four-sided needles attached individually to the twig. Ash trees (Choice C) have compound leaves, not needles like those of fir trees. The flat, single needles directly on the twig point to the fir tree as the correct answer.

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