1. Some environmental stress factors such as high light intensity, drought, chil
ID: 210527 • Letter: 1
Question
1. 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 2·The electrochemical gradient is A. The total chemical potential gradient B. The total electrical potential gradient C. All the above 3. Water and mineral nutrients are transported from root to shoot via A Plasmodesmata 4. The marked cells are A Plasmodesmata B. Cell wall C. Xylem D. Phloenm B. Xylem C. PhloemD. Casparian strip 5. The marked structure is called A Casparian strip B. Xylem C.Phloem D. Plasmodesmata 6. The function of Casparian strip in root endodermal cell walls is A. Uptake ions from soil B. forces solutes to move through the symplast of the endodermal cells C. Neither of above D. Both of above English (United States) jExplanation / Answer
1. C- affects the composition, structure and intigrity of cell
2. C - All of above
3. C - Xylem
4. B - Xylem
5. A - Casparian strip
6. C - neither of above
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.