ight choice. Dry and dormant seeds have high amount of this plant growth regulator Choose... Copper deficiency causes Choose... Little leaf disease is caused by the deficiency of- Choose... Nutrient solution in hydroponics has to be checked frequently for- Choose... In foliar sprays, it is used as surfactant Choose... Phosphate ions are absorbed by plants as- Choose... Cambium cells differentiate into xylem tracheids with- Choose... Yellow tip disease in cereals is caused by the deficiency of- Choose.. Macronutrient required for tough seed formation- Choose.. Loss of chlorophyll, degradation of nucleic acids and proteins occurs due to- Choose...

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: ndependent and dependent variables of plant growing in Phototropism, Gravitropism, Chemotropism,…

A: Environmental variables define plant growth by establishing their fundamental niche as the range of…

Q: Several experiments have been performed to test the cohesion-tension theory as to how water moves…

A:

Q: Absisic acid is tr Select one: O TRUE O FALSE

A: Also written as ABA in short. It is a phytohormone that functions in a plant's developmental…

Q: 9. Describe the process of water transport in plants from the roots to the leaves. What roles do…

A: Plant physiology primarily refers to the branch of biology that focuses on the study of the…

Q: tomatal opening is induced by… Select one: a. high CO2 levels in the leaf. b. abscisic acid…

A: The stomatal opening is induced by the striking of blue light on the stomatal pore. The photons…

Q: #27: Explain how this leaf is adapted for arid/dry regions.

A: Through the course of evolution, plants have adapted themselves to survive in various kinds of…

Q: Roots must have an enormous absorptive surface. Why do plants have a highly branched root system…

A: Roots emerge from the radicle and are primarily accountable for the absorption of materials. They…

Q: Specialized Roots: Answer the following items in short concise statements. 1. Explain why carrots,…

A: These are those roots which have functions other then typical roots. They can be propagation roots,…

Q: Water moves up the xylem as a result of: O Surface Tension O Gravity Water Polarity OBoth surface…

A: Xylem and phloem are two main plant tissues.Xylem is involved in transport of water and…

Q: Unlike the movement of water in the xylem, phloem sap movement is not defined by gravity. It can…

A: The carbohydrate synthesized through photosynthesis are transported from the leaves to different…

Q: A Vhet do we call the structures found on the root epidermis that increase the plant's capacity…

A: Roots are underground structures of plants. They absorb water and nutrients from the soil.

Q: 1. Why do plants grow tall and spindly when grown under insufficient light? Explain. (auxins,…

A: Plant hormones, or phytohormones, are small molecules that act as chemical messengers in plants.…

Q: How does molecule W help in the transport of substance V down the sieve tube of the phloem?

A: Phloem is a complex vascular tissue in the plant. It is a complex tissue because it is made up of…

Q: If all of the stomata in a plant were to close, what would happen to transpiration. O Transpiration…

A: Transpiration is a process of of loss of water in the form of vapour, from the aerial portions of…

Q: The extensive surface area of root systems is important for- O absorption of light for…

A: There are three types of root systems in plants: Taproot which is larger and grows faster, found in…

Q: 12) During meiosis, crossing-over may occur. Crossing over usually results in A) Overproduction of…

A: Meiosis generates 4 haploid daughter cells, which are having chromosomes in half number from their…

Q: (3) a. The characteristics of water molecules to maintain a continuous column of water is : a. Root…

A: Xylem and phloem facilitate the transportation of water, minerals and food throughout the plant.

Q: Water absorption by roots is under the influence of

A: Transpiration is a process through which the loss of water takes place from the exposed parts of the…

Q: Two of the following terms are correctly matched based on function. Choose the correct match. O…

A: A tssue is a group of cells having a common origin and usually performing a common function. A plant…

Q: Give explain.

A: Shoots are aerial part of the plant where as roots are parts which are present below the ground.

Q: Åluminum is toxic to plant cells because it inhibits them from importing K* Consequently, they have…

A: Answer: Aluminium is the toxic element for plants as they inhibits the roots synthesis and growth,…

Q: e) Complete the table below: Transport method for water Transport method for (passive/ active?) Root…

A: Epidermis diffusion active Cortex osmosis down a concentration gradient. Active…

Q: the xylem is under high tension, how will the flow rate in the xylem will be affected?

A:

Q: water potentia

A: Movement of water and nutrients across the the body of plant is carried out with the help of several…

Q: ct one: a. In apoplastic loading, the solute potential of the companion cells is more negative than…

A: Phloem loading is the process of loading carbon into the phloem for transport to different 'sinks'…

Q: Which root system, fibrous or tap root, is more effective for storage? The epidermis of the root…

A: A taproot is when there is one main root that grows straight down deep into the soil. It only has…

Q: Amino acid uptake in brush border cells

A: Amino acids are organic compounds with amino and carboxyl functional groups as well as a side chain…

Q: After it enters the plant, water travels from the root hair cells, through the to the xylem vessels.…

A: Plants are living organisms that contain a cell wall made up of cellulose. They have green pigments…

Q: The red pathway (top) shows a pathway of water transport. Root sector in cross-section Epidermal…

A: The transportation of water occurs with the help of xylem in plants. The water is absorbed by the…

Q: Grass plants elevate their leaves to compete for light without exposing their shoot apical meristems…

A: 1. growing their leaves from persistent Meristematic zones at the leaf base.

Q: lon movement causing an inhibitory receptor potential occurs

A: The flow of negatively charged ions into the postsynaptic cell induces a transient hyperpolarization…

Q: Give an example of an environmental condition where stomates are unable to maintain cooling of the…

A: Stomata are small pores found on the leaves and stems of plants that are responsible for gas…

Q: oxygen exits red blood cells

A: RBC has a plasma membrane though which molecules can pass. It depends on the type of molecule to be…

Q: Insulin exit from pancreatic beta cells occurs

A: Insulin is released from the beta cells in your pancreas in response to rising glucose in your…

Q: Decide on the effects of the following changes to plants: Inhibiting the pumping of sugar into of…

A: The xylem and the phloem make up the vascular tissue of a plant. One xylem and one phloem are known…

Q: But how are the two types of mesophyll involved? From what I understand, CO2 enters the  stomata,…

A: In the process of photosynthesis, mesophyll cells play a crucial role in the conversion of carbon…

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: Unlike the movement of water in the xylem, phloem sap movement is not defined by gravity. It can…

A: During photosynthesis, plants synthesize glucose. This gets transported across the cells in the…

Q: one: None of the choices are true. Allowing for rapid movement of ions into the cell through p…

A: A pair of guard cells surround each stoma. Chloroplasts are found in the kidney-shaped guard cells.…

Q: partial cioOS affect CO2 and 02 within the lear? O Closing of stomata will decrease both CO2 and 02…

A: The main difference between C3 , C4, CAM plants is that C3 photosynthesis produces a three carbon…

Q: Briefly discuss the following questions. (Minimum of 20 words and maximum of 50 words). 1.Discuss…

A: Since you have asked multiple questions , we will solve the first question for you. If you want any…

Q: LDL uptake into liver cells occurs

A: LDL stands for low-density lipoproteins. It is sometimes called the "bad" cholesterol because a high…