A) Select the INCORRECT statements from the following: a. Xylem transports sugar

Question

A) Select the INCORRECT statements from the following: a. Xylem transports sugars from the roots to the leaves b. Phloem carries sugars from the leaves to the rest of the plant c. Xylem carries water and minerals upwards from the roots d. Phloem is made of living cells
B) Which of the following is seen in plants with self-fertilization? a. Each individual plant only produces either male or female flowers b. Male and female flowers are produced in different parts of the plant c. Male and female flowers are produced at different points in time d. Pollen tube is incompatible with stigma from the same plant e. Flower bud never opens, pollen flows directly to the stigma
C) Select one outcome that is NOT the result of the accumulation of salt ions in soil. a. Water potential is altered b. Plants lose turgor pressure c. Plant growth is limited d. Plants have harder time up taking water e. Transpiration will occur at faster rate
D) Utricularia, a carnivorous plant, is very abundant in the everglades. What can you infer
about the nutrient composition of the everglades? a. The everglades ecosystem is rich in nutrients b. The everglades ecosystem is poor in CO2 c. The everglades ecosystem is very dry d. The everglades ecosystem is poor in nitrogen e. The everglades ecosystem has no minerals at all
E) Several process allow water to move up the xylem, for some plants even hundreds of meters. Select the process that is NOT involved in xylem flow: a. Adhesion of water molecules to tracheid walls b. Cohesion of water molecules to each other c. Transpiration pulling the water column up d. Osmosis moving water into root cells e. Active transport of ions in xylem vessels A) Select the INCORRECT statements from the following: a. Xylem transports sugars from the roots to the leaves b. Phloem carries sugars from the leaves to the rest of the plant c. Xylem carries water and minerals upwards from the roots d. Phloem is made of living cells
B) Which of the following is seen in plants with self-fertilization? a. Each individual plant only produces either male or female flowers b. Male and female flowers are produced in different parts of the plant c. Male and female flowers are produced at different points in time d. Pollen tube is incompatible with stigma from the same plant e. Flower bud never opens, pollen flows directly to the stigma
C) Select one outcome that is NOT the result of the accumulation of salt ions in soil. a. Water potential is altered b. Plants lose turgor pressure c. Plant growth is limited d. Plants have harder time up taking water e. Transpiration will occur at faster rate
D) Utricularia, a carnivorous plant, is very abundant in the everglades. What can you infer
about the nutrient composition of the everglades? a. The everglades ecosystem is rich in nutrients b. The everglades ecosystem is poor in CO2 c. The everglades ecosystem is very dry d. The everglades ecosystem is poor in nitrogen e. The everglades ecosystem has no minerals at all
E) Several process allow water to move up the xylem, for some plants even hundreds of meters. Select the process that is NOT involved in xylem flow: a. Adhesion of water molecules to tracheid walls b. Cohesion of water molecules to each other c. Transpiration pulling the water column up d. Osmosis moving water into root cells e. Active transport of ions in xylem vessels A) Select the INCORRECT statements from the following: a. Xylem transports sugars from the roots to the leaves b. Phloem carries sugars from the leaves to the rest of the plant c. Xylem carries water and minerals upwards from the roots d. Phloem is made of living cells
B) Which of the following is seen in plants with self-fertilization? a. Each individual plant only produces either male or female flowers b. Male and female flowers are produced in different parts of the plant c. Male and female flowers are produced at different points in time d. Pollen tube is incompatible with stigma from the same plant e. Flower bud never opens, pollen flows directly to the stigma
C) Select one outcome that is NOT the result of the accumulation of salt ions in soil. a. Water potential is altered b. Plants lose turgor pressure c. Plant growth is limited d. Plants have harder time up taking water e. Transpiration will occur at faster rate
D) Utricularia, a carnivorous plant, is very abundant in the everglades. What can you infer
about the nutrient composition of the everglades? a. The everglades ecosystem is rich in nutrients b. The everglades ecosystem is poor in CO2 c. The everglades ecosystem is very dry d. The everglades ecosystem is poor in nitrogen e. The everglades ecosystem has no minerals at all
E) Several process allow water to move up the xylem, for some plants even hundreds of meters. Select the process that is NOT involved in xylem flow: a. Adhesion of water molecules to tracheid walls b. Cohesion of water molecules to each other c. Transpiration pulling the water column up d. Osmosis moving water into root cells e. Active transport of ions in xylem vessels

Explanation / Answer

Ans A) a) Xylem transports sugars from the roots to the leaves

Their are two major vascular tissues in the plat : Xylem and phloem.

The xylem is responsible to carry water and minerals which are absorbed by the roots , to all the parts of the plant. The phloem is composed of still-living cells that transport the sugars from the leaves of the plant (where they are made by photosynthesis) , to the other parts of the plant where it can be utilised or stored.

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