1) What tissue makes up most of the wood of a tree? 2) Describe the ploidy and d
ID: 78434 • Letter: 1
Question
1) What tissue makes up most of the wood of a tree?
2) Describe the ploidy and developmental origin of the food reserves of a conifer seed.
3) Name a plant hormone that could be applied externally (in an agricultural setting) to enhance stem elongation
and fruit growth.
4) Describe how water within xylem vessels moves toward the top of a tree
5) What is the result of double fertilization in angiosperms?
6) Describe the function of root hairs in plants.
7) For each of the following groups, describe or name a specific mutualistic symbiosis shared with plants:
Animals
Fungi
Prokaryotes
Explanation / Answer
Ques-1: 1) What tissue makes up most of the wood of a tree?
The secondary xylem tissue is going to make up most of the wood of a tree. The bark of tree has components such as “secondary meristamatic tissue development with cork cambium” associated with sap and secondary xylem and secondary phloem. There is presence of vascular cambium around the outer circumference of bark in the tree.
Que-5) What is the result of double fertilization in angiosperms?
The double fertilization is going to result in 3n -endosperm in angiosperms. Endosprem is the nutritious tissue produced in angiosperms, flower -producing plants. This endosperm is going to provide nutrition to the developing embryo into adults’ diploid species in its growth
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