Which of the following is a mechanism of water movement in xylem that does not generate sufficient force to explain the rise of water to the tops of the tallest tree? 1. Pressure flow hypothesis 2. Tension-cohesion 3. Root pressure 4. Active transport of potassium into guard cells 5. Transpiration

Q: Find odd one (w.r.t. factors affecting transpiration) Options Temperature wind Number of stomata…

A: Transpiration is a type of physiological process in which water is lost in the form of water vapour…

Q: A. Endodermal cells constitute the innermost layer of root cortex and surround the vascular cylinder…

A: Option A is correct because:- The innermost layer of cortex in the root is called Endodermis, the…

Q: During secondary growth of a plant,  ____ gives rise to wood and ____ gives rise to periderm.

A: Secondary growth in plants  Secondary growth is the growth where plant thickness is increase due to…

Q: The mature regions of roots are relatively impermeable to water. Why? Explain its importanc

A: The direct radicle elongation gives rise to the root. It is usually an underground plant part, meant…

Q: The pressure-flow model of phloem transport states thata. phloem content always flows from the…

A: Pressure flow theory explains the movement of fluid or organic matter in the phloem. This theory is…

Q: Root pressure moves water up the stem: a. Pumps are found along the length of the xylem vessels. O…

A: Plant growth is often hampered by a lack of water. As a result, plants have evolved an efficient…

Q: Radical vascular bundles are those in which: A. xylem is surrounded by phloem B. phloem is…

A: Vascular bundles are responsible for the transport of water and photosynthates in the vascular…

Q: The vascular cambium of roots produces secondary xylem toward the (inside, outside) and secondary…

A: Vascular cambium  It is defined as the main growth tissue in the stems and roots of dicot plants…

Q: Explain how the movement of water molecules from inside the roots to the air space around the…

A: The emergent properties or the collective properties are critical attributes of biological systems,…

Q: ompare the energy needs of a plant for the movement of water in the xylem according to the…

A: Energy needs of a plant for the movement of water in the xylem according to the cohesion-tension…

Q: Water flows from the roots, throughout the body of the plant, and ultimately to the leaves through…

A: Transport in plants occurs through the xylem and phloem.Xylem is involved in the transport of water…

Q: Primary growth, an increase in the length of a plant, occurs at the (a) cork cambium (b) apical…

A: The increase in the height and length of the plant due to growth from the root or the shoot tips is…

Q: In a(n)_____ , the primary root is typically the largest. a. lateral meristem c. fibrous root system…

A: Primary root : It is also called radicle the first organ to appear when a seed germinates. It grows…

Q: With the help of a diagram, explain the role of potassium in the opening and closing of stomata

A: A stoma is a pore found in the epidermis of leaves, stems, and other organs. It controls the rate of…

Q: Climate change due to the increasingly rapid levels of greenhouse gases (particularly CO2) in our…

A: The stomata are small openings in the leaves that are responsible for exchange of gases like carbon…

Q: Why is the secondary xylem and phloem always to either side of the vascular cambium

A: Meristem of the plants produces the new cells.

Q: What is the advantage of closed stomata when water is in short supply?

A: Stomata are the minuscule openings present on the epidermis of leaves. We can see stomata under the…

Q: Each annual ring in a section of wood represents one year’s growth of (a) primary xylem (b)…

A: Annual rings are produced every year which helps to determine the age of trees.

Q: Which plant water movement process is dependent on transpiration?    root pressure capillary…

A: Transpiration is the process of water movement through a plant and its evaporation from aerial parts…

Q: List and describe two mutualistic relationships between roots and other organisms.

A: There are many organisms in nature, that live together in close contact for long periods of time and…

Q: Sugar transport from leaves to roots occurs by_______ . a. a pressure gradient inside sieve tubes b.…

A: The vascular system in a plant is made up of conducting tubes like xylem and phloem. The prepared…

Q: 28.    this region of roots is composed of an apical meristem a.    region of maturation a.…

A: Apical meristem is concerned with rapid division and increasing cell turnover Protderm gives rise to…

Q: which of the following stores organic nutrients in a dicot stem? ● Casparian strip ● Stomata ●…

A: The stem of the dicotyledons possess a ring arrangement of vascular bundles(comprising xylem and…

Q: Discuss the transport of water from roots to leaves and a particular tropism/nastic movement in Rosa…

A: Introduction  Water, nutrients, and minerals are transported by tissues in plants. Water and mineral…

Q: Water transport from roots to leaves occurs by a. evaporation, tension, and cohesion b. a pressure…

A: Need to find the correct option from the following given four options.

Q: When farmers apply too much fertilizer to the ground, the solute concentration is higher in the soil…

A: Transpiration is the movement of water through the plants, that is governed by the difference in…

Q: a. Which one of the following process is responsible for carrying water to the leaves of a tall…

A: The process by which xylem vessel of root and shoot of terrestrial plants transport water and water…

Q: Phloem tends to flow downward because Select one: O a. the pressure in the leaves is usually lower…

A: a. the pressure in the leaves is usually lower then the pressure in the roots is correct answer.

Q: Which of the following slides should be focused on the microscope if you want to observe primary…

A: Vascular tissues are tissues which are involved in transportation of water , minerals , nutrients  ,…

Q: Tropism LIL门 4 5 8 10 11 bex Across Down 3. growth in response to light 6. a response to a stimulus…

A: Crosswords are word puzzles That are filled with letters forming words or phrases, by solving the…

Q: Match A, B, C, D and E as the following: -Cortex -Xylem -Endodermis -Epidermis -Phloem

A: Higher plants contain a complex of conducting tissues (xylem and phloem), various dermal layers…

Q: this meristematic area produces the primary xylem and primary phloem a. procambium b. ground…

A: Plants continue to develop throughout their lives. This is due to the presence of meristems in…

Q: Both cohesion-tension and root pressure are mechanisms for moving water in the xylem.  What does it…

A: Xylem is defined as a plant vascular tissue that will convey or send water and dissolved minerals…

Q: Which of the following causes increase in the diameter of a stem? a. Increase in size of cells in…

A: Plants have two types of growth systems - The Primary Growth and The Secondary Growth. The secondary…

Q: Why does a layer of periderm offer only temporary protection? When the plant makes a new layer of…

A: In plant cells, cell types known as meristems are capable of differentiating into all cell types.…

Q: what meristematic area produces parenchyma cells of the cortex a. protoderm b. pith c. ground…

A: The cortex is largely made up of big, thin-walled ground tissue parenchyma cells with little to no…

Q: The vascular cambium of roots produces secondary xylem toward the and secondary phloem toward the ·…

A: The primary phloem is vascular tissue which requires energy for the transports of the materials and…

Q: Which of the following forces make the movement of water through the xylem possible? * A. Cohesion…

A: Xylem is a vascular system that transports water and dissolved mineral absorbed from the roots to…

Q: Can the direction of phloem transport change? Does phloem ever transport material into a leaf?

A: Xylem is the conducting tissue of the plant that conducts the transport of water and minerals. The…

Q: Make a sketch of both the 40x (small section is fine) and 100x and upload it here with the following…

A: Tilia Americana or basswood defined as the  species of deciduous tree belong to the family…

Q: The primary growth of a plant is due to the action of the ________. a. lateral meristem b. vascular…

A: A meristem is a type of plant tissue that contains undifferentiated cells. These cells are capable…

Q: Which of the following is false? a. Stems have vascular bundles, and roots have vascular cylinders.…

A: Botany, often known as plant science, plant biology, or phytology, is a discipline of biology that…

Q: The cross-section of a woody root is shown in Figure 3. Observe and locate the center of the root…

A: Plants, it is widely assumed, respond to mechanical stimulus. Despite the importance of root systems…

Q: Every winter, the cohesion of water molecules in xylem is interrupted by ice formation. What do…

A: The question is about how the xylem tissue in plants comes out from the problem of ice formation…

Plant sensory system

The plant sensory system is a sophisticated system that responds to environmental stimuli such as light,temperature, gravity, and touch. Research predicts that plant hormones and signaling mechanisms areresponsible for this regulation system in plants.