What Is the purpose of pumping air in hydroponic cultu Select one: O to dissolve nutrients and distribute evenly O to provide oxygen to root cells O to inhibit the growth of algae O to inhibit the growth of bacteria

Q: Which of the following is not an element of soil sustainability? О а. Green manures O b. Plowing C.…

A: Agricultural sustainability is characterized as a system's ability to maintain consistent levels of…

Q: Why Medium (Soil, water….etc) + nutrients (Na,K,N….etc) is very important? pls give very short…

A: The medium and nutrients both are important for proper growth of the plant. • The main purpose of a…

Q: Draw a simple flow diagram or sketch to illustrate the flow path of water through a plant, from the…

A: Water transport in plants with the help of xylem. Xylem helps to transport water from roots to stems…

Q: SCIENTIFIC INQUIRY Acid precipitation has an abnormallyhigh concentration of hydrogen ions (H+). One…

A: Acid precipitation has a high concentration of hydrogen ions. Acid precipitation depletes some…

Q: Two plants are in a set-up wherein they are exposed to wind (fan). Plant 1 had a transpiration rate…

A: Transpiration is the loss of water from the stomata of plants.

Q: A scientist is evaluating factors that may influence productivity of algae. He conducts an…

A: The two most critical limiting factors for aquatic production are phosphate (Orthophosphates) and…

Q: Which three soil colours would suggest the following conditions in the soil 1. Poor drainage  2.…

A: Answer: Introduction: 1) Well drained and aeration soil- Colours like red, yellow and reddish‐brown…

Q: Name the following as soil forming processes: a. Soil erosion b. Formation of humus c. Weathering of…

A: The process of soil formation is termed as pedogenesis. Climatic factors play crucial roles in this…

Q: Water evaporation from plant parts is called_______ . a. translocation c. transpiration b.…

A: It occurs at the leaf surface. It drives the movement of water in the xylem. Transpiration is a…

Q: Gas exchange occurs through microscopic pores formed by two (a) subsidiary cells (b) abscission…

A: Introduction Plants are autotrophs as they can synthesize their own food by photosynthesis. Plants…

Q: The Casparian strip affectsa. how water and minerals move into the vascular cylinder.b. vascular…

A: In roots and in some herbaceous stems but not usually in woody stems, the innermost layer of…

Q: Which of the following plant structures is necessary for transpiration to occur? a. Sieve tubes c.…

A: Transpiration is an important process in which water moves through the plant parts and is evaporated…

Q: Which of the following is NOT an adaptation to a high saline environment? a. Secretion of salts…

A: The environments with more salinity or more salt concentration than the normal levels are called…

Q: d as below. Use these symptoms to explain about the type of nutrient deficiency to your cer. Burning…

A: BASIC INFORMATION MINERAL NUTRITION IN PLANTS Minerals plays an important role in the life of plants…

Q: The rhizosphere is: Group of answer choices A.) an area 1-2 mm in thickness adjacent to the root.…

A: It is the type of close and long term biological interaction between two different biological…

Q: Refer to figure 23.15 and the chapter content to answer the followingquestions.1. Review the Survey…

A: Plant growth and development passes through the following stages: 1.Growth  2. Morphogenesis. 3.…

Q: SCIENTIFIC INQUIRY Design a controlled experiment to testthe hypothesis that water acidification…

A: Elodea is a fresh water plant. Acid rain may impact the growth of this plant by altering metabolic…

Q: state a research question that will directly address the farmer’s problem

A: The crop water used is influenced by the crop growth stage, weather conditions, and various other…

Q: If you feed a houseplant with fertilizer too often, it may look wilted despite the soil being wet.…

A: A fertilizer is any material of common or manufactured birthplace that is applied to soil or to…

Q: Of the following, which is not a process involved in the movement of water through a plant? O…

A: Plants are the multicellular organisms, predominantly photosynthetic eukaryotes belonging to the…

Q: he movement of water out of phloem sap and back into xylem vessels is often associated with which of…

A: C. Active transport of sugar out of phloem sap into the sink.

Q: way can our diet affect the local or global soil organic matter and soil health? Explain thoroughly.

A: The loose surface layer that covers the bulk of land is understood as soil. it's created from each…

Q: Which of the following represents the movement of gases through the open stomata of a leaf during…

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

Q: Transpiration harnesses the force of gravity to accelerate water transportation from the soil to the…

A: Transpiration It is the process of moving water through the plant and the evaporation of water…

Q: Mass flow occurs when; a. Soil temperatures change, thereby changing molecular motion. b.…

A: Water moves from roots to aerial parts of the plant by Mass flow.

Q: What fraction of the soil represents the most active?        A. Clay       B. Pore spaces       C.…

A: Answer of the question given below...

Q: Water evaporation from plant parts is called a. translocation c. transpiration b. respiration d.…

A: It happens on the leaf's surface. It propels water movement in the xylem. Transpiration is an…

Q: Nitrogen compounds differ from other minerals needed by plants because they. Select one: O a. Are…

A: Nitrogen is an essential element because it is the major component of nucleic acids, proteins,…

Q: O hydrophilic O saturated Question 38 Which of the following tissues conduct water and dissolved…

A: The plasma membrane, is the membrane found in all cells that separates the interior of the cell from…

Q: When the stomata are closed, Select one: O a. gas and water exchange increase. O b. water exchange…

A: Given: Stomata are the structures present  in the epidermis of leaves.Stomata regulate the process…

Q: Plants absorb carbon dioxide from ________ Group of answer choices Air Soil Water

A: Plant require food that is hoing to provide energy to them. Like animals they can't move from one…

Q: When mineral nutrients are applied to the soil, which of the following may occur? Group of answer…

A: It is the process by which nutrients spread from areas of high concentration to areas of low…

Q: Which of the following biofertilizer extends the root system's reach, allowing for enhanced water…

A: Mykovam extends the root system's reach allowing for enhaced water and nutrient absorption.  It…

Q: The practice of crop rotation uses nitroger plant without a nitrogen-fixing relationship harvest, a…

A: Nitrogen fixing plants are edible like Elaeagnus angustifolia, Elaeagnus multifolia etc.

Q: explain the role of decomposers in the degradation of plant material

A: Decomposition is the breakdown of complex organic into inorganic substances like water, CO2 , and…

Q: Malathion is an organophosphate pesticid that is used often in residential and commercial…

A: Organophosphates are the most widely used insecticides and pesticides today. They are used in…

Q: Which of the following conditions would you expect to increase transpiration? Select one: a. A…

A: Plants transpires more in conditions when there is a bright sunlight, low humidity, high…

Q: Movement of phloem sap from a source to a sink(A) occurs through the apoplast of sieve-tube…

A: Sugars are made by plants during photosynthesis, which are carried throughout the plant by the…

Q: While hiking through the sierra Nevada y growing next to each other. One of them has produuced a…

A: A species is regularly characterized as the biggest gathering of life forms in which any two…

Q: Which of the following is not true for Soil Organic Matter (SOM)? O It can be degraded by microbes…

A: Answer :- Option (D) is correct. - It makes up a large proportion of soil structure.

Q: Design a concept of bioremediation related to earthworm

A: Bioremediation is that the use of microbes to wash up contaminated soil and groundwater. Microbes…

Q: Is it possible to build up a soil's organic matter and at the same time make it less fertile

A: The loftiest layer of Earth where the growth and nourishment of plants occurs is called the soil. It…

Defense Mechanism

Circumstances influence and compel people to behave in a certain way. One such behavior is a defense mechanism. It is employed by people to escape from unpleasant circumstances, thoughts and actions. Defense mechanisms are, thus, psychological strategies that help to avert and avoid unwanted feelings such as guilt or shame and situations such as threat and danger.