write four main steps of the method involved in an experiment on determining the percentage of water absorbed by the raisins in the laboratory

Q- Write four main steps of the method involved in an experiment on determining the percentage of water absorbed by raisins in the laboratory. Answer- The four main steps of the method involved in an experiment on determining the percentage of water absorbed by raisins in the laboratory are as follows: 1. Weight some dry … Read more

Before placing the raisins in water these were weighted 10 g the raisins were taken out of water wiped well and their weight was found 12.5 gram determine the percentage of water absorbed by the raisins

Q- Before placing the raisins in water, these were weighted 10g. The raisins were taken out of water, wiped well and their weight was found 12.5 g. Determine the percentage of water absorbed by the raisins. Answer- W1 (Weight of raisins before placing in water) = 10 g W2 (Weight of raisins after placing in … Read more

Cells of onion peel and RBC are separately kept in hypotonic solution what among the following will take place explain the reason for your answer

Q- Cells of onion peel and RBC are separately kept in hypotonic solution. What among the following will take place? Explain the reason for your answer. (a) Both the cells will swell (b) RBC will burst easily, while cells of onion peel will resist the bursting to some extent (c) (a) and (b) both are … Read more

Ram prepared a Mount of human cheek cell why is staining it with methylene blue but he did not see mitochondria in the cell is this is because

Q- Ram prepared a mount of human cheek cell by staining it with methylene blue. But he did not see mitochondria in the cell. This is because: (a) Human cheek cells do not have mitochondria (b) They are too small to be seen under a compound microscope. (c) Mitochondria does not get stained by methylene … Read more