Description : Peat is often mixed into the growing medium of container plants because it: a. Is inexpensive b. Has good air and water holding capacities c. Has a high pH d. Absorbs excessive soluble salts
Last Answer : Has good air and water holding capacities
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 : 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 : 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 : 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 : Excess amount of absorbed water by plants is liberated out by : (1) Evaporation (2) Osmosis (3) Diffusion (4) Transpiration
Last Answer : Transpiration
Last Answer : Osmosis
Description : The plants absorbs the element nitrogen in the form of?
Last Answer : Nitrates
Description : What is transpiration in plants? -Biology
Last Answer : answer:
Description : What is transpiration pull in plants? -Biology
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 : 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 : 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 : 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 : Wilting of plants occurs due to excessive : (1) Respiration (2) Guttation (3) Absorption (4) Transpiration
Description : Plants release energy during (1) Photosynthesis (2) Respiration (3) Transpiration (4) Germination
Last Answer : Conduction and respiration
Description : Which animal absorbs water through its skin ?
Last Answer : Molecule absorbs water through the skin.
Description : When air passes through silica gel, A. it absorbs water vapour molecules B. latent heat of condensation is released C.dbt of air increases D. all of the mentioned
Last Answer : ANSWER : D
Description : During the process of transpiration, water _______ a plant through the _______.?
Last Answer : enters; chloroplasts
Description : Pmcess of water exudation through hydathodes is known as: (a) Guttation (b) Transpiration (c) Evaporation (d) Bleeding
Last Answer : Ans. ((a))
Description : The transfer of minerals from top soil to subsoil through soil-water is called? (1) Percolation (2) Conduction (3) Leaching (4) Transpiration
Last Answer : (3) Leaching Explanation: Leaching refers to the loss of water-soluble plant nutrients from the soil, due to rain and irrigation. As water from rain, flooding, or other sources seeps ... the underground water supply. Mineral nutrients lost from the soil system become unavailable for plant uptake.
Last Answer : (3) Leaching Explanation: Leaching refers to the loss of water-soluble plant nutrients from the soil, due to rain and irrigation.
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
Last Answer : Leaching
Description : (3) checking the penetration of ultra-violet rays to the earth Explanation: Ozone in the ozone layer filters out sunlight wavelengths from about 200 nm UV rays to 315 nm, with ozone peak absorption at about 250 nm. This ... the lower UV-C (200 nm-280 nm) and the entire UV-B band (280 nm-315 nm).
Last Answer : The advantage of detergents over soaps is – (1) Detergents are soluble in water (2) Detergents could not give much lather (3) Detergents give lather even with hard water (4) Soaps give lather with only soft water
Description : Higher concentration of CO2 in atmosphere (A) Allows visible solar radiation (ultraviolet) of short wave-length to pass through (B) Reflects and absorbs the longer wavelength (infra-red) radiations (C) Prevents solar heat being ... in 'heat trap' i.e., global warming (D) All (A), (B) and (C)
Last Answer : (D) All (A), (B) and (C)
Description : Transpiration through leaves is called as (1) Cauline transpiration (2) Foliar transpiration (3) Cuticular transpiration (4) Lenticular transpiration
Last Answer : (2) Foliar transpiration Explanation: Most of the transpiration occurs through foliar surface or surface of the leaves. It is known as foliar transpiration. Foliar transpiration accounts for over 90% of the total transpiration.
Description : Transpiration occurs through which plant part?
Last Answer : stomata
Last Answer : Foliar transpiration
Description : The water in an open pond remains cool even in hot summer because (a) Of continuous evaporation of water (b) Water radiates heat more rapidly than the atmosphere (c) Water absorbs heat less rapidly than the atmosphere (d) Water absorbs heat more rapidly than the atmosphere
Last Answer : Ans:(c)
Description : A stone is rejected if it absorbs water more than (A) 5 % (B) 10 % (C) 15 % (D) 20
Last Answer : Answer: Option B
Description : "Mulching" is the term used for the process of (a) Covering the roots of plants with loose material, dung, etc. in order to protect them from soil erosion etc. (b) Breaking down big pieces ... into small ones (c) Transplanting of paddy seedlings (d) Nitrogen fixation of soil by use of fertilizers
Last Answer : Ans: (a)
Description : Why will a plant take in more water than it is losing by transpiration?
Last Answer : Need answer
Description : What conditions would make a plant to take in more water than it is losing by transpiration?
Description : Can thick diapers absorbs much more than a thin diaper?
Last Answer : Put one of each on, soil yourself, and post some pictures. Then we can make that determination.
Description : A black surface absorbs more heat radiations as compared to a white or a reflecting surface under identical conditions. List two solar devices which make use of this property in their design. -Science
Last Answer : Solar cooker, solar water heater.
Last Answer : Black absorbs more light.
Description : An iron hammer, lying in the sun, appears much hotter than its wooden handle because (a) iron is at a higher temperature (b) iron is darker than wood (c) iron absorbs more heat (d) iron is a good conductor of heat
Last Answer : Ans:(d)
Description : Which among the following colures absorbs more radiation? (A) Blue (B) Black (C)Red (D) White
Last Answer : (B) Black
Description : In which process of plant protoplasm and cell wall absorbs water ?
Last Answer : The plant absorbs water in the process of protoplasm and cell wall adsorption.