Please answer all of the questions and explain why the other choices are wrong o

Question

Please answer all of the questions and explain why the other choices are wrong or explain your answer.

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9) Which of these characteristics existed in the aquatic ancestors of land plants? ea) chlorophyll stoma the molecule lignin he waxy cuticle 10) Which group does not have vascular tissue? Pteridophyta b) Pinophyta Bryophyta Lycopodiophyta 11) In flowering plants, which structure turns into the fruit? archegonium ) seed c) ovule ) ovary

Explanation / Answer

9) The correct option is D. the waxy cuticle.

Waxy cuticle is a coating on the surface of plants, which helps to prevent desiccation. Waxy cuticle was helpful in preventing exxcessive water to enter into the plant cell.

10) The correct option is C. Bryophyta.

Bryophyta consists of three divisions of non-vascular land plants, the liverworts, hornworts and mosses. Bryophytes develop where vascularized plants cannot because they do not depend on roots for an uptake of nutrients from soil.

11) The correct option is D. Ovary.

The ovary becomes a fruit in flowering plants. The wall of the ovary becomes the wall of the fruit known as the pericarp. The fruit protects the developing seeds and plays an essential role in the process of dispersal of seed.

12) Thec orrect option is  A. parallel leaf venation.

Most of the monocot leaves have Parallel venation. In parallel venation, veins are present with in the leaves and they are arranged parallel to each other. No branching occurs in parallel venation.

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