The loss of water by plants in the form of vapor i called: a) evaporation b) transpiration c) evapotranspiration d) vaporization

The loss of water by plants in the form of vapor i called: a) evaporation b) transpiration c) evapotranspiration d) vaporization
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ANSWER: C -- evapotranspiration
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Mulches are mainly used to reduce a. Transpiration b. Evaporation c. Evapotranspiration d. All of above

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The changing of solid directly to vapor without passing through liquid state is called  a. Evaporation  b. Vaporization  c. Sublimation  d. Condensation

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Maximum loss of water from the plants occurs due to a. Transpiration b. Evaporation c. Guttation d. Respiration

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Which of the following scientific terms is used to describe the loss of water vapor by plants. Is it: a) digestion b) respiration c) adsorption d) transpiration

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The loss of water in the form of vapor from the surface of plant leaves is referred to as: a. Transpiration b. Respiration c. Oxidation d. Condensation

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Transpiration differs from evaporation in: (a) Rate of water loss (b) Transpiration is a physiological process while evaporation is physical process (c) Transpiration is physical process while evaporation is physiological process (d) Frequency of water loss

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Excess amount of absorbed water by plants is liberated out by – (1) Evaporation (2) Osmosis (3) Diffusion (4) Transpiration

Description : Excess amount of absorbed water by plants is liberated out by – (1) Evaporation (2) Osmosis (3) Diffusion (4) Transpiration

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Excess amount of absorbed water by plants is liberated out by : (1) Evaporation (2) Osmosis (3) Diffusion (4) Transpiration

Description : Excess amount of absorbed water by plants is liberated out by : (1) Evaporation (2) Osmosis (3) Diffusion (4) Transpiration

Last Answer : Transpiration

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Vapour lock is a. complete or partial stoppage of fuel supply due to vaporization of the fuel b. locking of carburetor due to high vapor pressure c. excess fuel supply to the engine d. supply of liquid fuel to the engine

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What is defined as the direct conversion of a substance from the solid to the vapor state or vice versa without passing the liquid state?  A. Condensation  B. Vaporization  C. Sublimation  D. Cryogenation

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Pmcess of water exudation through hydathodes is known as: (a) Guttation (b) Transpiration (c) Evaporation (d) Bleeding

Description : Pmcess of water exudation through hydathodes is known as: (a) Guttation (b) Transpiration (c) Evaporation (d) Bleeding

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In freeze- drying, water is removed from the product by a. Evaporation b. Sublimation c. Transpiration d. None of these

Description : In freeze- drying, water is removed from the product by a. Evaporation b. Sublimation c. Transpiration d. None of these

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Last Answer : answer:

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Description : Consumptive use of a crop during growth, is the amount of (A) Interception (B) Transpiration (C) Evaporation (D) All the above

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Interception losses are due to (i) Evaporation (ii) Transpiration (iii) Stream flow The correct answer is (A) Only (i) (B) (i) and (ii) (C) (ii) and (iii) (D) (i), (ii) and (iii)

Description : Interception losses are due to (i) Evaporation (ii) Transpiration (iii) Stream flow The correct answer is (A) Only (i) (B) (i) and (ii) (C) (ii) and (iii) (D) (i), (ii) and (iii)

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Phytometer method is generally used for the measurement of (A) Interception (B) Evaporation (C) Transpiration (D) None of these

Description : Phytometer method is generally used for the measurement of (A) Interception (B) Evaporation (C) Transpiration (D) None of these

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Consider the following statements: 1. Over the oceans there is more evaporation than precipitation. 2. On land it is more precipitation than evapo-transpiration. Which of these statements are correct? (a) Both 1 & 2 (b) Neither 1 nor 2 (c) 1 only (d) 2 only

Description : Consider the following statements: 1. Over the oceans there is more evaporation than precipitation. 2. On land it is more precipitation than evapo-transpiration. Which of these statements are correct? (a) Both 1 & 2 (b) Neither 1 nor 2 (c) 1 only (d) 2 only

Last Answer : (a) Both 1 & 2

The degree of aridness of a geographic region is generally defined as the ratio of precipitation to: w) condensation x) evaporation y) transpiration z) snowpack depth

Description : The degree of aridness of a geographic region is generally defined as the ratio of precipitation to: w) condensation x) evaporation y) transpiration z) snowpack depth

Last Answer : ANSWER: X -- EVAPORATION

What is a physical process by which vapor becomes liquid or solid the opposite of evaporation?

Description : What is a physical process by which vapor becomes liquid or solid the opposite of evaporation?

Last Answer : condensation

Leidenfrost point is a term concerned with the (A) Condensation of the saturated vapor on a cold surface (B) Concentration of a corrosive solution by evaporation (C) Heat transfer between two highly viscous liquids (D) Boiling of a liquid on a hot surface

Description : Leidenfrost point is a term concerned with the (A) Condensation of the saturated vapor on a cold surface (B) Concentration of a corrosive solution by evaporation (C) Heat transfer between two highly viscous liquids (D) Boiling of a liquid on a hot surface

Last Answer : (D) Boiling of a liquid on a hot surface

The ratio between marketable crop yield and water used in evapotranspiration is known as– 1) Field water use efficiency 2) Economic irrigation efficiency 3) Consumptive use efficiency 4) Water use efficiency

Description : The ratio between marketable crop yield and water used in evapotranspiration is known as– 1) Field water use efficiency 2) Economic irrigation efficiency 3) Consumptive use efficiency 4) Water use efficiency

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A cobalt chloride solution soaked into a piece of cotton can be used as an indicator for changes in humidity levels. Pink indicates a high-humidity environment and blue a low-humidity environment. What are these color changes caused by: w) The ionization and reduction of the cobalt plus two slash cobalt plus three couple. x) The vaporization and redeposition of cobalt chloride. y) The loss and readsorption of the cobalt's waters of hydration. z) This is an illustration of the Schrodinger principle.

Description : A cobalt chloride solution soaked into a piece of cotton can be used as an indicator for changes in humidity levels. Pink indicates a high-humidity environment and blue a low-humidity environment. What ... the cobalt's waters of hydration. z) This is an illustration of the Schrodinger principle.  

Last Answer : ANSWER: Y -- THE LOSS AND READSORPTION OF THE COBALT'S WATERS OF HYDRATION.

Can evapotranspiration be affected by the sun or gravity and how?

Description : Can evapotranspiration be affected by the sun or gravity and how?

Last Answer : What is the answer ?

Evapotranspiration is measured by

Description : Evapotranspiration is measured by

Last Answer : Ans. Lysimeter

A period in which the available soil moisture is enough to meet the evapotranspiration requirement of dry land crops

Description : A period in which the available soil moisture is enough to meet the evapotranspiration requirement of dry land crops

Last Answer : Ans.Length of growing period

The lysimeter helps in the estimation of (1) Evapotranspiration (2) Relative humidity (3) Vapour pressure (4) Wind direction

Description : The lysimeter helps in the estimation of (1) Evapotranspiration (2) Relative humidity (3) Vapour pressure (4) Wind direction

Last Answer : Evapotranspiration

Plants are dried up in winter due to frost because – (1) Evaporation does not take place (2) Photosynthesis does not take place at such low temperature (3) Respiration does not take place at low temperature (4) There is mechanical loss of tissues and drought condition prevails

Description : Plants are dried up in winter due to frost because – (1) Evaporation does not take place (2) Photosynthesis does not take place at such low temperature (3) Respiration does not take place at low temperature (4) There is mechanical loss of tissues and drought condition prevails

Last Answer : (4) There is mechanical loss of tissues and drought condition prevails Explanation: Respiration does not rely on the sun, so it is possible for plants to respire around the clock. The rate of respiration ... drought in that frozen water is unavailable to the plant. The air is very dry as well.

Plants are dried up in winter due to frost because (1) Evaporation does not take place (2) Photosynthesis does not take place at such low temperature (3) Respiration does not take place at low temperature (4) There is mechanical loss of tissues and drought condition prevails

Description : Plants are dried up in winter due to frost because (1) Evaporation does not take place (2) Photosynthesis does not take place at such low temperature (3) Respiration does not take place at low temperature (4) There is mechanical loss of tissues and drought condition prevails

Last Answer : There is mechanical loss of tissues and drought condition prevails

The process responsible for facilitating loss of water in liquid form from the tip of grass blades at night and in early morning is (a) transpiration (b) root pressure (c) imbibition (d) plasmolysis.

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$ "Transpiration pull Theory" was proposed by Dixon and Joly . ! Loss of water droplets from hydathodes is called Guttation.

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Maximum loss of water occurs through a. Cuticular transpiration b. Lenticular transpiration c. stomatal transpiration d. None of these

Description : Maximum loss of water occurs through a. Cuticular transpiration b. Lenticular transpiration c. stomatal transpiration d. None of these

Last Answer : c. stomatal transpiration

Water lost in form of liquid droplet is called as ______________ a) Drift b) water loss c) Water evaporation d) none of the above

Description : Water lost in form of liquid droplet is called as ______________ a) Drift b) water loss c) Water evaporation d) none of the above

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What is the temperature at which the water vapour in the mixture of water vapour in air, starts condensing called? A. condensation temperature B. dew point temperature C. vaporization temperature D. all of the above

Description : What is the temperature at which the water vapour in the mixture of water vapour in air, starts condensing called? A. condensation temperature B. dew point temperature C. vaporization temperature D. all of the above

Last Answer : ANSWER : B

In plants water is absorbed by the root hairs by a process called: (1) Transpiration (2) Respiration (3) Perspiration (4) Osmosis

Description : In plants water is absorbed by the root hairs by a process called: (1) Transpiration (2) Respiration (3) Perspiration (4) Osmosis

Last Answer : (4) Osmosis Explanation: Plants absorb water from their root hairs on the root via osmosis. It is then transported to other parts of the plant. (through the network of xylem vessels) through a combination of capillary action and "transiprational pull".

In plants water is absorbed by the root hairs by a process called: (1) Transpiration (2) Respiration (3) Perspiration (4) Osmosis

Description : In plants water is absorbed by the root hairs by a process called: (1) Transpiration (2) Respiration (3) Perspiration (4) Osmosis

Last Answer : Osmosis

For vaporization of water at 1 atmospheric pressure the values of `DeltaH` and `DeltaS` are `40.63KJmol^(-1)` and `108JK^(-1)mol^(-1)` , respectively.

Description : For vaporization of water at 1 atmospheric pressure the values of `DeltaH` and `DeltaS` are `40.63KJmol^(-1)` and `108JK^(-1)mol^(-1)` , respectively.

Last Answer : For vaporization of water at 1 atmospheric pressure the values of `DeltaH` and `DeltaS` are `40.63KJmol^(-1)` and ` ... 373.4 K C. 293.4 K D. 273.4 K

Vegetables are cooked in lesser time by adding a pinch of salt while cooking because (1) boiling point of water increases (2) latent heat of vaporization of water decreases (3) latent heat of vaporization of water increases (4) boiling point of water decreases

Description : Vegetables are cooked in lesser time by adding a pinch of salt while cooking because (1) boiling point of water increases (2) latent heat of vaporization of water decreases (3) latent heat of vaporization of water increases (4) boiling point of water decreases

Last Answer : (1) boiling point of water increases Explanation: Adding salt raises the boiling point of water, which allows food to cook at higher temperature. The higher the temperature, the higher the rate of heat transfer between the food and water, thus it cooks more quickly.

Steam at 100°C causes more severe burns than water at 100° C because – (1) steam has no specific heat capacity (2) steam has latent heat of vaporization (3) water has no specific heat capacity (4) water has latent heat of fusion

Description : Steam at 100°C causes more severe burns than water at 100° C because – (1) steam has no specific heat capacity (2) steam has latent heat of vaporization (3) water has no specific heat capacity (4) water has latent heat of fusion

Last Answer : (2) steam has latent heat of vaporization Explanation: It is because steam releases its latent heat as it condenses, which is substantial. The heat of vaporization of steam is over 2000 J per gram. And when it releases that it's then 100 degree water, the same as boiling water.

Water is not suitable as a calorimetric substance because it – (1) has high specific heat (2) is a good conductor (3) has high boiling point (4) low latent heat of vaporization

Description : Water is not suitable as a calorimetric substance because it – (1) has high specific heat (2) is a good conductor (3) has high boiling point (4) low latent heat of vaporization

Last Answer : (1) has high specific heat Explanation: The specific heat of water is higher than all other common substances. Hence, water is used for heating purposes (as in hot water bottles) and for cooling ... the liquids, mercury has the lowest specific heat due to which it is used as a thermometric liquid.

What is the latent heat of vaporization of water at 1 atm?  A. 2314.8 kJ/kg  B. 2257.1 kJ/kg  C. 2511.7 kJ/kg  D. 2429.8 kJ/kg

Description : What is the latent heat of vaporization of water at 1 atm?  A. 2314.8 kJ/kg  B. 2257.1 kJ/kg  C. 2511.7 kJ/kg  D. 2429.8 kJ/kg

Last Answer : 2257.1 kJ/kg

Which of the following molecules would have the smallest molar enthalpy of vaporization? w) Water x) Formaldehyde y) Methane z) Ammonia

Description : Which of the following molecules would have the smallest molar enthalpy of vaporization? w) Water x) Formaldehyde y) Methane z) Ammonia

Last Answer : ANSWER: Y -- METHANE

Vegetables are cooked in lesser time by adding a pinch of salt while cooking because (1) boiling point of water increases (2) latent heat of vaporization of water decreases (3) latent heat of vaporization of water increases (4) boiling point of water decreases

Description : Vegetables are cooked in lesser time by adding a pinch of salt while cooking because (1) boiling point of water increases (2) latent heat of vaporization of water decreases (3) latent heat of vaporization of water increases (4) boiling point of water decreases 

Last Answer :  boiling point of water increases

The process of breaking up a liquid into fine droplets by spraying is called a. vaporization b. carburetion c. injection d. atomization

Description : The process of breaking up a liquid into fine droplets by spraying is called a. vaporization b. carburetion c. injection d. atomization

Last Answer : ANSWER d. atomization

The change of a gas to a liquid is called: w) vaporization x) sublimation y) condensation z) freezing

Description : The change of a gas to a liquid is called: w) vaporization x) sublimation y) condensation z) freezing

Last Answer : ANSWER: Y -- CONDENSATION

The energy required to melt one mole of a solid at its melting point is called one of the following. w) the molar heat of fusion x) the molar hear of vaporization y) the molar heat of capacity z) the melting point

Description : The energy required to melt one mole of a solid at its melting point is called one of the following. w) the molar heat of fusion x) the molar hear of vaporization y) the molar heat of capacity z) the melting point

Last Answer : ANSWER: W -- THE MOLAR HEAT OF FUSION

Why do plants absorbs more water when they loose most of it through transpiration?

Description : Why do plants absorbs more water when they loose most of it through transpiration?

Last Answer : Feel Free to Answer

Which of the following phenomenon is responsible for the movement of water in plants? (1) Pressure difference (2) Concentration difference (3) Transpiration (4) Both (2) and (3)

Description : Which of the following phenomenon is responsible for the movement of water in plants? (1) Pressure difference (2) Concentration difference (3) Transpiration (4) Both (2) and (3)

Last Answer : (4) Both (2) and (3) Explanation: In xylem tissues, stems and leaves are interconnected to form a continuous system of water-conducting channels reaching all parts of the plant. At the roots, cells in contact with the soil actively take up ions.

Transpiration and root pressure cause water to rise in plants by (a) pushing it upward (b) pushing and pulling it, respectively (c) pulling it upward (d) pulling and pushing it, respectively.

Description : Transpiration and root pressure cause water to rise in plants by (a) pushing it upward (b) pushing and pulling it, respectively (c) pulling it upward (d) pulling and pushing it, respectively.

Last Answer : (d) pulling and pushing it, respectively.