What is transpiration pull in plants? -Biology

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Description : How transpiration pull is generated in tall tropical trees? -Biology

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

Last Answer : $ "Transpiration pull Theory" was proposed by Dixon and Joly . ! Loss of water droplets from hydathodes is ... wrong D. If both As and R are wrong.

Description : The translocation of organic solutes in sieve tube members is supported by (a) cytoplasmic streaming (b) root pressure and transpiration pull (c) P-proteins (d) mass flow involving a carrier and ATP

Last Answer : (a) cytoplasmic streaming

Description : The most widely accepted theory for ascent of sap in trees is (a) capillarity (b) role of atmospheric pressure (c) pulsating action of living cell (d) transpiration pull and cohesion theory of Dixon and Jolly.

Last Answer : (d) transpiration pull and cohesion theory of Dixon and Jolly.

Description : The rupture and fractionation do not usually occur in the water column in vessel/tracheids during the ascent of sap because of (a) weak gravitational pull (b) transpiration pull (c) lignified thick walls (d) cohesion and adhesion

Last Answer : (d) cohesion and adhesion.

Description : What is transpiration in plants? -Biology

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

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Description : Which of the following processes are associated with plants during dark period? (1) Photosynthesis and respiration (2) Respiration and transpiration (3) Transpiration and conduction (4) Conduction and respiration

Last Answer : (4) Conduction and respiration Explanation: Conduction is the process by which vital nutrients are transported to the different parts of a plant. This process is independent of the light factor ... the photosynthesis process cannot be happening without sun, so it exhales the carbon-dioxide itself.

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".

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

Last Answer : (4) Transpiration Explanation: Water vapour transpires constantly through pores (stomata) in the surface of plant's leaves.

Description : The process of producing energy in plants is known as – (1) Absorption (2) Reduction (3) Photosynthesis (4) Transpiration

Last Answer : (3) Photosynthesis Explanation: Photosynthesis is the process by which plants, some bacteria and some protistans use the energy from sunlight to produce glucose from carbon dioxide and water.

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.

Description : Any substance applied to plants for the  purpose of retarding transpiration is known  as?

Last Answer : antitranspirant

Description : In plants, __________ is the process of converting stored energy into energy for plant growth. a. Transpiration b. Photosynthesis c. Respiration d. Pollination

Last Answer : Respiration

Description : A process that makes important difference between C3 and C4 plants is (a) transpiration (b) glycolysis (c) photosynthesis (d) photorespiration.

Last Answer : (d) photorespiration.

Description : Phenyl mercuric acetate (PMA) results in (a) reduced photosynthesis (b) reduced transpiration (c) reduced respiration (d) killing of plants.

Last Answer : (b) reduced transpiration

Description : Which of the following is used to determine the rate of transpiration in plants? (a) Porometer/Hygrometer (b) Potometer (c) Auxanometer (d) Tensiometer/Barometer

Last Answer : (b) Potometer

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.

Description : Peat moss is used as a packing material for sending flowers and live plants to distant places because (a) it serves as a disinfectant (b) it is easily available (c) it is hygroscopic (d) it reduces transpiration.

Last Answer : b) it is easily available

Description : A process that makes important difference between C3 and C4 plants is (1) Photorespiration (2) Transpiration (3) Glycolysis (4) Photosynthesis

Last Answer : (1) Photorespiration

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

Last Answer : a. Transpiration

Description : 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

Last Answer : ANSWER: D -- TRANSPIRATION

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

Last Answer : ANSWER: C -- evapotranspiration

Description : Wilting of plants occurs due to excessive : (1) Respiration (2) Guttation (3) Absorption (4) Transpiration

Last Answer : Transpiration

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

Last Answer : Transpiration

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

Description : Plants release energy during (1) Photosynthesis (2) Respiration (3) Transpiration (4) Germination

Last Answer : Respiration

Description : Which of the following processes are associated with plants during dark period? (1) Photosynthesis and respiration (2) Respiration and transpiration (3) Transpiration and conduction (4) Conduction and respiration

Last Answer : Conduction and respiration

Description : What is the difference between transpiration and guttation? -Biology

Last Answer : Transpiration and guttation are the two important process of removal of excess water from the plants. However, the two processes are different from each other. Transpiration is the removal of water ... loss of water from the plants. These were a few difference between transpiration and guttation.

Description : Differentiate between Guttation and Transpiration. -Biology

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Description : Differentiate between Transpiration and Evaporation. -Biology

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Description : Factors that affect transpiration -Biology

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Description : How do guard cells regulate transpiration? -Biology

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Description : What is the transpiration-cohesion-tension mechanism? -Biology

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Description : what are the factors affecting rates of transpiration???? -Biology

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Description : what are the factors affecting rates of transpiration???? -Biology

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Description : My parsnip plants have gone to seed should I pull then or cut the tops off

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Description : What is an instrument for measuring the rate of transpiration? -General Knowledge

Last Answer : The answer is 'Potometer'

Description : What percentage of water is lost during transpiration? -General Knowledge

Last Answer : The answer is '99%'

Description : What is an instrument for measuring the rate of transpiration? -General Knowledge

Last Answer : transpirometer A potometer' (from Greek ποτό = drunken, and μέτρο = measure), sometimes known as transpirometer, is a device used for measuring the rate of water uptake of a leafy shoot which is almost equal to the water lost through transpiration.

Description : What is an instrument for measuring the rate of transpiration? -General Knowledge

Last Answer : transpirometer A potometer' (from Greek ποτό = drunken, and μέτρο = measure), sometimes known as transpirometer, is a device used for measuring the rate of water uptake of a leafy shoot which is almost equal to the water lost through transpiration.

Description : What percentage of water is lost during transpiration? -General Knowledge

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Description : What percentage of water is lost during transpiration? -General Knowledge

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Description : In which of the following the rate of transpiration is high

Last Answer : In which of the following the rate of transpiration is high A. CAM Plant B. `C_(3)` plants C. `C_(3) and C_(4)` D. `C_(4)` plants

Description : $ those subtances which reduce the rate of transpiration are called transpirants. ! Imbibition causes Osmotic pressure.

Last Answer : $ those subtances which reduce the rate of transpiration are called transpirants. ! Imbibition causes Osmotic ... D. If both As and R are wrong.

Description : Why will a plant take in more water than it is losing by transpiration?

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Description : What conditions would make a plant to take in more water than it is losing by transpiration?

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Description : What is the Role in Transpiration Process of leaves?

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Description : During the process of transpiration, water _______ a plant through the _______.?

Last Answer : enters; chloroplasts

Description : Select the correct statement: (1) Lenticel is the exit route for transpiration (2) The action spectra of transpiration is blue and red (3) Transpiration helps the plant to remain cool (4) Transpiration can be measured by photometer

Last Answer : Ans. ((c))