Q: What is relation between transpiration and the surface area of leaves?
A: The biological process by which water is lost in the form of water vapor from the aerial parts of…
Q: Plant Physiology Define or describe and give 2 functions of the plant tissue: Meristem
A: America mein tissue is a group of young cells the capacity of active cell division. New cells…
Q: What part of the plant respires the most - roots, leaves, or stems?
A: The exchange of respiratory gases takes place in leaves through tiny pores known as stomata. On the…
Q: What is senescence? Describe some changes that accompany leaf senescence in the fall. Which hormone…
A: Plants have two types of tissues: Permanent tissues: Tissues that do not have ability to divide,…
Q: How does blue light trigger stomatal opening?
A: Plants are non-motile living beings that are capable of producing their own food by utilizing the…
Q: What is the concept of rhizotron in plant physiology?
A: The analysis of the functioning of the plant and it's behaviour is known as plant physiology.
Q: What are the small pores found in the leaf scar? What are they for?
A: Leaves are green, exogenous lateral flattened outgrowths that arise from the modes of the stem or…
Q: Which movements are induced in plants by external stimuli?
A: Higher plant movement is often in the form of bending , twisting, and elongation of some sections or…
Q: What is exudation of sap from injured parts of a plant?
A: It is the leaking or oozing out of water droplets from the broken edges or injured tips in the…
Q: What is the time required for water to reach the uppermost leaf on a fresh stem cut in air?
A: Xylem is involved in the long distance transport of water and dissolved mineral nutrients from roots…
Q: The ------------- emerges as two series of rootlets from the medulla oblongata between the pyramid…
A: The brainstem consists of the medulla oblongata, the pons, and the midbrain. It connects the spinal…
Q: In which specific area in the leaf does the dark reaction occur? In what area do the light reactions…
A: Sun is the source of all energy on earth. The energy of the Sun is used in all possible ways by the…
Q: How are the process that happens in the root and transpiration process related?
A: Water transport in plants is influenced by a variety of factors including solutes, pressure,…
Q: Does cell turgor control the overall turgor of the plant such as leaf or stem?
A: Cell Turgor is a pressure or a force that gets exerted because of the movement of water present in…
Q: Write the introduction for What are the effects of motor oil on the plant height and leaf size of…
A: Phytoremediation is a low-cost solution for treating contaminated soils in place. This study looked…
Q: Is it ptiolate or sessile? Is the leaf blade bifacial or unifacial? How is the arrangement of veins?
A: The plant shown in the picture is commonly known as Umbrella grass. The umbrella papyrus, umbrella…
Q: What are the functions of air spaces near the lower surface of the leaf?
A: Plants play important role in producing oxygen on the earth. Plants go through the process known as…
Q: What specific role does the Casparian strip play in plant roots and how does it perform this…
A: The suberised matrix called as "Casparian strip" is waterproof in nature and has a corky texture…
Q: Define or describe and give 2 functions of the plant tissue: Lateral Meristem
A: Meristematic tissues are cells that divide actively. They are responsible for unlimited plant…
Q: How are water and minerals absorbed into the roots?
A: ANSWER;- - Plants absorb water from the soil as a natural side effect. They ingest mineral particles…
Q: Name the process by which water enters the root hairs.
A: Osmotic pressure is the hydrostatic tension exerted by a solution in an area separated by a…
Q: What is stilt root?
A: Modifications are changes that occur in structures which bring out morphological and physiological…
Q: Describe two events or factors that can trigger leaf senescence. In what ways is leaf senescence a…
A: The two events or factors which can trigger leaf senescence are:- [1] Age-dependent factor :- The…
Q: What is venation explain its role in the leaf?
A: Step 1 The veins in the plant consist of vascular tissue which is important for the transport of…
Q: What is the cuttin covering on the leaves?
A: Leaves are the aerial parts of plants. The uppermost surface of the leaves is called the epidermis.…
Q: What is the type of leaf venation in these figures?
A: venation: 1st diagram shows longitudinal parallel venation , where veins are parallel along the…
Q: Which are the planttissues that form the plantroots?
A: Plants are the living organisms which synthesize their own food by photosynthesis. In photosynthesis…
Q: What do you mean by lenticular transpiration?
A: Plants are multicellular organisms in the kingdom Plantae. The parts of plants are stems, flowers,…
Q: How can you differentiate pinnately compound leaf from a leafy branch? How does a pinnately compound…
A: Answer 1: - Differentiating points for a pinnately compound leaf are: - elongated axis of leaflets,…
Q: What is the time required for water to reach the uppermost leaf on a wilted stem with no cut?
A: Wilting is a plant adaptation that allows it to conserve water during the hottest parts of the day.…
Q: What is the movement of plant parts in response to the force of gravity called?
A: Plants are mainly multicellular organisms, predominantly photosynthetic eukaryotes of the kingdom…
Q: Plant Cell Physiology 1. Are the xylem vessels - [made up of] parenchyma, collenchyma or…
A: Answer: XYLEM : These are the vascular plant tissue which made the transporting vessels in plants,…
Q: What are the plant roothairs? Where can they befound and what is theirfunction?
A: Plants are multicellular and eukaryotic organisms. Plant body is made of shoot and root. Shoots are…
Q: What is the type of leaf venation are in these figures?
A: Venation is the arrangement of veins in a leaf blade. Veins are made up of vascular tissues that aid…
Q: How does Abscisic acid cause leaf, flower and fruit abscission?
A: Plant hormones are simple chemical molecules that help in regulating the growth of plants. They are…
Q: By what stomatal movement is not affected?
A: Stomata are present in the epidermis of the leaf surfaces as the tiny pore complexes which are…
Q: How does the suction help the leaf disks to sink?
A: Photosynthesis is the process by which the plant store the energy from the sunlight into the…
Q: What does the abscission zone do in leaves? Would you guess that there are or are not abscission…
A: Plants are organisms that are capable of photosynthesis. Photosynthesis is the mechanism by which…
Q: What causes the opening and closing of guard cells of stomata duringtranspiration?
A: Transpiration is the loss of water through the aerial parts of the plant in the form of water…
Q: Define leaf abscission, and explain why it occurs and what physiological and anatomical changes…
A: Plants are non-motile living beings, which are autotrophic due to the presence of chlorophyll…
What physiological changes occur during leaf abscission?
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Solved in 2 steps
- What is senescence? Describe some changes that accompany leaf senescence in the fall. Which hormone causes abscission?Define leaf abscission, and explain why it occurs and what physiological and anatomical changes precede it.What does the abscission zone do in leaves? Would you guess that there are or are not abscission zones in flowers and fruits?
- What is the concept of nutrient solution in plant physiology?Plant Physiology Can a tropic response prevent another tropic response for a certain plant tissue or organ at the same time?Describe two events or factors that can trigger leaf senescence. In what ways is leaf senescence a recycling process?