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, __________ is the process of converting stored energy into energy for plant growth. a. Transpiration b. Photosynthesis c. Respiration d. Pollination
Last Answer : Respiration
Description : Plants release energy during (1) Photosynthesis (2) Respiration (3) Transpiration (4) Germination
Last Answer : Conduction and respiration
Description : The shade of a tree is cooler than the shade of a roof due to: (a) Respiration (b) Photosynthesis (c) Transpiration (d) Guttation
Last Answer : Ans. ((c))
Description : Phenomenon which converts light energy into chemical energy is (a) Respiration (b) Photosynthesis (c) Transpiration (d) None of these
Last Answer : Ans:(b)
Description : Benzene reacts with acetic anhydride in the presence of AlCl3 to form (a) Acetophenone (b) Benzophenone (c) Phenylacetic acid (d) Phenyl acetate
Last Answer : Acetophenone
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 : 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 : Wilting of plants occurs due to excessive : (1) Respiration (2) Guttation (3) Absorption (4) Transpiration
Last Answer : Transpiration
Last Answer : Osmosis
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 : 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 : 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 : 2,4-D, Atrazine and PMA at low concentration act as which type of antitranspirents
Last Answer : Ans.Stomatal closing
Description : Fermentation is a type of ______ process. (1) Aerobic Respiration (2) Anaerobic Respiration (3) Exothermic Reaction (4) Transpiration
Last Answer : (2) Anaerobic Respiration Explanation: Fermentation in food processing is the process of converting carbohydrates to alcohol or organic acids using microorganisms—yeasts or bacteria—under anaerobic conditions. It also occurs in oxygenstarved muscle cells, as in the case of lactic acid fermentation.
Description : 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
Description : Fermentation is a type of ________ process . (1) Aerobic Respiration (2) Anaerobic Respiration (3) Exothermic Reaction (4) Transpiration
Last Answer : Exothermic respiration
Description : Which one of the following events in a botanical garden is never directly influenced by light? (1) Flowering (2) Photosynthesis (3) Transpiration (4) Fertilization
Last Answer : (4) Fertilization Explanation: Fertilization in plants is not directly influenced by sunlight. It occurs when pollen grains are transported from anthers to stigma. When ripe pollen from an anther catches on ... . During this time, a series of events take place leading to the formation of seeds.
Description : Solar energy is converted into chemical energy during – (1) Transpiration (2) Photosynthesis (3) Diffusion (4) Osmosis
Last Answer : (2) Photosynthesis Explanation: In photosynthesis, solar energy is converted to chemical energy. The chemical energy is stored in the form of glucose (sugar). Carbon dioxide, water, and sunlight are ... captured from the sun into chemical energy that can be used to fuel the organism's activities.
Description : Which one gives the most valid and recent explanation for stomatal movement? (a) Starch hydrolysis (b) Guard cell photosynthesis (c) Transpiration (d) Potassium influx and efflux
Last Answer : (d) Potassium influx and efflux
Description : Lenticels are involved in (a) food transport (b) photosynthesis (c) transpiration (d) gaseous exchange
Last Answer : (d) gaseous exchange.
Description : Which one of the following events in a botanical garden is never directly influenced by light ? (1) Flowering (2) Photosynthesis (3) Transpiration (4) Fertilization
Last Answer : Fertilization
Description : Veins seen in the leaves, serve the function of (1) Photosynthesis (2) Transpiration (3) Storage (4) Conduction
Last Answer : Conduction
Description : Solar energy is converted into chemical energy during (1) Transpiration (2) Photosynthesis (3) Diffusion (4) Osmosis
Last Answer : Photosynthesis
Description : Out of photosynthesis and respiration in plants, which process occurs : (a) all the time ? -Science
Last Answer : Respiration. (b) Photosynthesis.
Description : What happens if the rate of respiration exceed the rate of photosynthesis in plants -Biology
Last Answer : answer:
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.
Description : Criticize the following statement: Plants carry on photosynthesis; animals carry on respiration instead.
Last Answer : This is an incorrect view. Both plants and animals carry on respiration as a major source of energy for vital functions. Only plants, however, are also capable of carrying out photosynthesis. The ... will determine whether there is a net uptake of O2 or CO2 from a particular plant region.
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
Description : The moisture deficit condition, results when the amount of water vapour available in the soil is not sufficient to meet the demand of potential evapo-transpiration
Last Answer : Ans.Drought
Last Answer : : The signal of mercuric oxide is Hg2O
Description : Mercuric chloride poisoning?
Last Answer : DefinitionMercuric chloride is a very poisonous form of Mercury. It is a type of mercury salt. There are different types of mercury poisonings. This article discusses poisoning from ... : This list may not be all inclusive.SymptomsAbdominal pain(severe)Breathing difficulty - severeDecreased
Description : A common fluorescent tube contains (a) sodium vapour (b) argon at low pressure (c) mercury vapour at low pressure (d) mercuric oxide and neon
Last Answer : Ans:(c)
Description : The most commonly used substances in fluorescent tubes are (a) sodium oxide and argon (b) sodium vapour and neon (c) mercury vapour and argon (d) mercuric oxide and neon
Description : The substances that can be used as explosives are 1. phosphorous trichloride 2. mercuric oxide 3. trinitrotoluene 4. nitroglycerine The correct answers are: (a) 1 and 2 (b) 2 and 4 (c) 2 and 3 (d) 3 and 4
Last Answer : Ans:(d)
Description : Acetaldehyde is produced by hydration of acetylene in a sulphuric acid solution of mercuric sulphate. Hydration tower is made of (A) Rubber lined mild steel (B) Lead lined mild steel (C) Aluminium (D) Cast iron
Last Answer : (A) Rubber lined mild steel
Description : What happens when? a) A cleaned iron plate or iron nail is kept in 10g of copper sulphate solution. b) A pinch of mercuric oxide is kept in a test tube. c)A small crystal of silver nitrate is dissolved in distilled water and a drop of ammonium hydroxide & a pinch of glucose powder are added.
Last Answer : a) A cleaned iron plate or iron nail is kept in 10g of copper sulphate solution. After a few hours a coating of copper is seen on iron nail/plate. It is based on displacement reaction. ... on the inner walls of the test tube. Aldehyde group in glucose reduced silver nitrate to metallic silver.
Description : Chaga’s disease can be diagnosed by A A. Xenodiagnosis B. Thymol turbidity tes C. Both D. Mercuric chloride test
Last Answer : Chaga’s disease can be diagnosed by
Description : Surra in animals can be diagnosed by D A. Thymol turbidity test B. Card agglutination test C. Mercuric chloride test D. All above
Last Answer : All above
Description : The test used to detect raised levels of IgG and IgM in Trypanosoma evansi infected individuals is the D A. Thymol turbidity test B. Card agglutination test C. Mercuric chloride test D. Formol gel test
Last Answer : Formol gel test
Description : A compound, C4H6, reacts with bromine and forms a white precipitate with ammoniacal silver nitrate solution. It reacts with dilute H2SO4 in the presence of mercuric sulfate to form 2-butanone. The compound could be (a) 1-Butyne (b) 1-Butene (c) 2-Butyne (d) 2-Butene
Last Answer : 1-Butyne
Description : Acetylene reacts with water in the presence of sulfuric acid and mercuric sulfate to give (a) Acetone (b) Acetic acid (c) Formaldehyde (d) Acetaldehyde
Last Answer : Acetaldehyde
Description : How many tablets ,each containing 8.75 grains of mercuric chloride will be required to make one pint of 0.2% solution?
Last Answer : 4.375 gr. in 1 fl ounce = 1% w/v solution 4.375 gr X 0.2 = 0.875 gr required to get 1 fl.oz 0.2% 0.875 gr x 20 = 17.5 gr required to get 20 fl.oz 0.2 % 17.5 gr/8.75 gr = 2 tablets
Description : How many tablets, each containing 8.75 grains of mercuric chloride will be required to make one quart of 0.05% solution?
Last Answer : 4.375 gr. in 1 fl ounce = 1% w/v solution 4.375 gr X 0.05 = 0.2187 gr required to get 1 fl.oz 0.05% 0.2187 gr x 40 = 8.748 gr≈ 8.75 grain required to get 40 fl.oz 0.05 % 8.75 gr/8.75 gr = 1 tablets Therefore, one tablet is required to prepare one quart of 0.05% solution.
Description : How do cytochromes function in photosynthesis and respiration? -Biology
Description : How are photosynthesis and respiration related to each other? -Biology
Description : Differences between respiration and photosynthesis? -Biology