HARD
UPSC CAPF AC Paper - I
IMPORTANT
Earn 100

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- B12 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.

50% studentsanswered this correctly

Important Questions on Chemistry

HARD
UPSC CAPF AC Paper - I
IMPORTANT

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?

HARD
UPSC CAPF AC Paper - I
IMPORTANT

Statement I: On hydrolysis, maltose gives two molecules of glucose.

Statement II: Malt is used to manufacture health drinks such as maltova.

MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
Which of the following vegetable oils does not contain essential fatty acids?
HARD
UPSC CAPF AC Paper - I
IMPORTANT

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?

HARD
UPSC CAPF AC Paper - I
IMPORTANT
The hair dye available in the market contains two bottles, one containing dye and other containing hydrogen peroxide. The bottles are mixed before applying the dye. The function of hydrogen peroxide is
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
Soaps cannot be used in acidic condition because they lose their cleansing effect due to the formation of insoluble: 
HARD
UPSC CAPF AC Paper - I
IMPORTANT

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?

HARD
UPSC CAPF AC Paper - I
IMPORTANT

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.