Which of the following temporary stain is used for the detection of Starch?
a) aniline sulphate
b) iodine solution
c) Schultz’s solution
d) Methylene blue
Which of the following temporary stain is used for the detection of lignin, cutin, protein and cellulose?
a) methline blue
b) iodine solution
c) Schultz’s solution
d) Safranin
Process quicker than filtration but not so effective is……..
a) centrifugation
b) crystallization
c) decanting
d) fractional distillation
Explanation: Decantation is a process for the separation of mixtures of immiscible liquids or of a liquid and a solid mixture such as a suspension
Which of the following is a mean of separating one type of molecule from others?
a) radiography
b) autoradiography
c) angiography
d) chromatography
There are ……basic way of carrying out the separation by chromatography.
a) two
b) three
c) four
d) five
Explanation: 1. Paper chromatography and 2. Column chromatography
Which of the following is/are used for the separation of photosynthetic pigments, sugar or amino acids?
a) paper chromatography
b) column chromatography
c) both a and b
d) none of them
Explanation: a technique used for the separation of compounds based on the differential solubility in the stationary phase and mobile phase (solvent).
