dashed lines illustrates a cross section? 2. Gymnosperm trees that are native to

Question

dashed lines illustrates a cross section? 2. Gymnosperm trees that are native to the colder climates of North America have leaves that look like needles or scales, and typically produce seeds in_ 3. Trees are wood y-(annuals or perennials). 4. Which of the following species is not an Angiosperm? A. American Elm. B. Sycamore. C. Norway Spruce. D. Bur Oak. E. Red Maple 5. True or False. The chestnuts and walnuts that we eat are actually the mature ovaries of chestnut and walnut trees 6. Which of the following tree species do not produce flowers? A. Royal Palm trees.D. Shagbark Hickory trees. B. White Oak trees. C. Cottonwood trees. E. All of the above do.

Explanation / Answer

Ans 1) Figures B represents cross section. It is surface or shape which is exposed by making a straight cut through something. It is the cut that is made right angle to the axis.

Ans 2) Cones – It is a plant organ which consists of the reproductive structures and it is responsible for production of seed.

Ans 3) Trees are woody perennial. They are those category of plants that varies in terms of time taken to produce their first flowers or seeds and reach senescence.

Ans 4) c) Norway spruce – It is native to Northern, Central and Eastern Europe and has the largest cones amongst all spruce. They are gymnosperms and do not produce flowers.

Ans 5) False – A nut is the combination of seed and fruit. It is fused with hardened ovary walls. The fruits are mature ovary of any plant.

Ans 6) e) All of the above do

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