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If the mass of dry raisins was 40 g, and the mass of wet raisins was 45 g, then the percentage of water absorbed would be 3 years ago BidishaKashayap1333 class 10 biology Which of the following set of materials is required to set up an experiment to determine the percentage of water absorbed by raisins? 3 years ago BidishaKashayap1333 class 10 biology A Student dissolved 5 g of sugar in 100 mL of distilled water in beaker A. He dissolved 100 g of sugar in 100 mL of distilled water in beaker B. Then he dropped a few raisins of equal weight in each beaker. 3 years ago BidishaKashayap1333 class 10 biology A student soaked 10 g of raisins in 50 mL of distilled water in two beakers A and B each. She maintained beaker A at 25°C and beaker B at 50°C. After an hour, the percentage of water absorbed will be. 3 years ago BidishaKashayap1333 class 10 biology Raisins are soaked in water for determining the percentage of water absorbed by raisins. The formula used by a student for calculating the percentage of water absorbed is 3 years ago BidishaKashayap1333 class 10 biology A student soaked 5 g of raisins in beaker (A) containing 25 mL of ice-chilled water and another 5 g of raisins in beaker (B) containing 25 mL of tap water at room temperature. After one hour the student observed that. 3 years ago BidishaKashayap1333 class 10 biology At the end of the experiment, ‘to determine the percentage of water absorbed by raisins’, the raisins are wiped just before weighing. This is to ensure that 3 years ago BidishaKashayap1333 class 10 biology The following data was obtained on performing an experiment for determining the percentage of water absorbed by raisins. Mass of water in the beaker = 50 g Mass of dry raisins = 20 g 3 years ago BidishaKashayap1333 class 10 biology Each of the three beakers A, B and C contained 50 mL of distilled water. A student placed five raisins in each beaker. The raisins for each beaker weighed the same. 3 years ago BidishaKashayap1333 class 10 biology The steps taken for setting up an experiment to demonstrate that ‘light is necessary for photosynthesis’, were as follows 3 years ago BidishaKashayap1333 class 10 biology When asked to set up an experiment to show that ‘light is necessary for photosynthesis’, a student ran to the school garden and set up the experiment by using a plant growing in the school garden. 3 years ago BidishaKashayap1333 class 10 biology For the experiment ‘Light is necessary for photosynthesis’, the potted plant was first kept in darkness for a day. This is to 3 years ago BidishaKashayap1333 class 10 biology In an experiment to test the presence of starch in a leaf, the leaf is boiled in alcohol for a few minutes using a water bath. 3 years ago BidishaKashayap1333 class 10 biology A star-shaped figure was cut in the black paper strip used for covering the leaf of a destarched plant used for demonstrating that light is necessary for photosynthesis. 3 years ago BidishaKashayap1333 class 10 biology A portion of destarched leaf of a potted plant was covered with a black strip of paper. The plant was then exposed to sunlight for six hours and then tested for starch. It was observed that. 3 years ago BidishaKashayap1333 class 10 biology Which one of the following is the correct combination of relevant materials required for setting up an experiment to show that light in necessary for photosynthesis? 3 years ago BidishaKashayap1333 class 10 biology In order to destarch the leaves for an experiment to show that sunlight is necessary for photosynthesis, the 3 years ago BidishaKashayap1333 class 10 biology A portion of each of four destarched leaves of a plant was covered with paper strips of various kinds. The plant was exposed to sunlight for 5 hours. Thereafter, the strips were removed and the leaves tested for starch in the covered portion. 3 years ago BidishaKashayap1333 class 10 biology In the experiment to show that light is necessary for photosynthesis, some of the steps of the experiment deal with the following activities. 3 years ago BidishaKashayap1333 class 10 biology In the experiment to show that light is necessary for photosynthesis, the plucked leaf is boiled in ethanol and then washed with water. After this, it is tested for the presence of carbohydrate by a chemical which is 3 years ago BidishaKashayap1333 class 10 biology Page 1 / 5 1 2 3 4 5 Next Share: Super Globals Requests: Server: Options and Features route: community use_home_url: url: https://eanshub.com/community/ pageid:187 default_groupid: 3 2022 How Can We Help? Δ Home About Us Contact Us Privacy Policy Term of Use Copyright © 2020 Eanshub All Rights Reserved
