
Which of the following statements about vitamins are correct?
I. Vitamin-C is essential to make connective tissue in body.
II. Vitamin-D is needed for synthesis of eye pigment.
III. Vitamin- helps in maturation of RBC.
IV. Vitamin-C is required to make use of calcium absorbed from the intestine.
Select the correct answer using to code given below.


Important Questions on Chemistry
Consider the following statements.
I. Monosaccharides are the simple carbohydrates.
II. Monosaccharides are sweet in taste.
III. Monosaccharides upon heating get charred and give the smell of burning sugar.
Which of the statement(s) given above is/are correct?

Statement I: On hydrolysis, maltose gives two molecules of glucose.
Statement II: Malt is used to manufacture health drinks such as maltova.


Consider the following statements.
I. Vitamins are complex organic molecules.
II. Vitamins are required in small amounts for our life.
III. Water soluble vitamins can be stored in our body.
Which of the above statement(s) is/are correct?



Consider the following statement.
I. Antiseptics can kill or prevent the growth of microorganisms.
II. Antiseptics can be applied to the skin.
III. Antiseptics are toxic to the living tissues, therefore, they cannot be applied to the skin.
Which of the statement(s) given above is/ are correct?

Statement I: Soaps do not form lather with water containing salts of calcium and magnesium.
Statement II: Calcium and magnesium salts of long chain fatty acids are insoluble in water.
