Black spot fungus is a disease that is known to attack roses in humid climates. Atfirst, small black spots appear on the leaves. If left untreated, the entire plant candie. From this information, what is mostly the main cause of the demise? *The plants' cells are unable to carry out aerobic respiration.O The roots are unable to absorb enough water.The leaves are unable to manufacture enough sugar to maintain the health of theplant.O The stems are unable to support the plant.

Black spot fungus is a disease of many plants but more commonly evident in rose plants. The…

Black spot fungus is a disease that is known to attack roses in humid climates. At first, small black spots appear on the leaves. If left untreated, the entire plant can die. From this information, what is mostly the main cause of the demise? * O The plants' cells are unable to carry out aerobic respiration. O The roots are unable to absorb enough water. The leaves are unable to manufacture enough sugar to maintain the health of the plant. O The stems are unable to support the plant.

Black spot fungus is a disease that is known to attack roses in humid climates. At first, small black spots appear on the leaves. If left untreated, the entire plant can die. From this information, what is mostly the main cause of the demise? * O The plants' cells are unable to carry out aerobic respiration. O The roots are unable to absorb enough water. The leaves are unable to manufacture enough sugar to maintain the health of the plant. O The stems are unable to support the plant.

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter35: Stem Structure And Transport

Section: Chapter Questions

Problem 7TYU: Water potential is (a) the formation of a proton gradient across a cell membrane (b) the transport...

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Water potential is (a) the formation of a proton gradient across a cell membrane (b) the transport of a watery solution of sugar in phloem (c) the transport of water in both xylem and phloem (d) the removal of sucrose at the sink, causing water to move out of the sieve tubes (e) the free energy of water in a particular situation
There is a trade-off between photosynthesis and transpiration in leaves because (a) numerous stomatal pores provide both gas exchange for photosynthesis and openings through which water vapor escapes (b) a waxy layer, the cuticle, reduces water loss (c) blue light triggers an influx of potassium ions (K+) into the guard cells (d) leaves of deciduous plants abscise as winter approaches in temperate climates (e) stomata are closed at night, although water continues to move into the roots by osmosis
Black spot fungus is a disease that is known to attack roses in humid climates. At first, small black spots appear on the leaves. If left untreated, the entire plant can die. From this information, what is mostly the main cause of the demise? a) The plants’ cells are unable to carry out aerobic respiration. b) The leaves are unable to manufacture enough sugar to maintain the health of the plant. c) The roots are unable to absorb enough water. d) The stems are unable to support the plant.
Two major processes are involved in the dissipation of heat from plant leaves: convection of heat, and(a) Photosynthesis (b) Stomatal Conductance (c) Mineral Nutrition (d) Transpiration (e) Growth
What substances plug wounded sieve-tube elements, thereby preventingthe leakage of phloem sap?a. X protein and callose b. C protein and callose c. P protein and callose d. P protein and sucrose e. none of the above
When water enters the roots via ______A_______ is is pulled toward the leaf by _____B_______. Water travels in the ___C_____ of the plant, which is different from the path that glucose travels. Minerals enter the plant by _____D______. in the spring time sugars which were created through the process of _______E_______ typically move from _____F______. Question 10 options: Photosynthesis The roots to the shoots Transpiration Osmosis Active transport Xylem 1. A 2. B 3. C 4. D 5. E 6. F
Leaves carry out many roles in a plant’s life. Give examples of leaves that do the following:a. Provide protectionb. Provide supportc. Provide storaged. Obtain nitrogenAre leaf structures and metabolisms that are selectively advantageous for one of these functions also advantageous for all of them?
Which of the following statements is/are false? A. Water is actively transported from source cells into companion cells. B. The transport of sucrose into the Osieve tube elements increases water potential in the phloem. C. The transport of water from the xylem into the phloem increases the O pressure which forces the sucrose water mixture down towards the sink. D. Transpiration cause the water to O move up to the leaves through the vessel elements. E. A and B F. B and C
Which of the following is/are false regarding the phloem? A. It transports starch from the leaves to the stem. B. It transports sucrose from the leaves to the roots. C. It is located lateral to the xylem in tree stems. D. Unlike the xylem, majority of the cells are living. E. A and D F. B and C
Which of the following plant structures is necessary for transpiration to occur? a. Sieve tubes c. Fruits b. Leaves d. Roots
What mineral deficiency could cause an abnormal development of vascular system, especially xylem? _____________ A. Boron B. Zn C. Nitrogen D. Sodium Some environmental stress factors such as high light intensity, drought, chilling, air pollutants and mineral nutrient deficiencies are harmful to plant, one of the reason is because they: _________________ A. increase the use of energy B. decrease the water movement C. affect the composition, structure and integrity of cell membrane
Choose correct option and explain. A plant wilts when- a) sunlight is not available and the rate of photosynthesis slows down. b) the mycorrhizae among its roots have "stolen" too much water from the plant. c) it is sad. d) turgor pressure in cells' central vacuoles is high. e) turgor pressure in cells' central vacuoles is low