AIPMT 2012 Prelims | Biomolecules Question 22 | Chemistry

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AIPMT 2012 Prelims

MCQ (Single Correct Answer)

-1

Which one of the following sets of monosaccharides forms sucrose?

$$\alpha $$-$$D$$-galactopyranose
and $$\alpha $$-$$D$$ glucopyranose

$$\alpha $$-$$D$$-glucopyranose
and $$\beta $$-$$D$$ fructofuranose

$$\beta $$-$$D$$-glucopyranose
and $$\alpha $$-$$D$$ fructofuranose

$$\alpha $$-$$D$$-glucopyranose
and $$\beta $$-$$D$$ fructofuranose

AIPMT 2011 Mains

MCQ (Single Correct Answer)

-1

Which of the following is not a fat soluble vitamin?

Vitamin B complex

Vitamin D

Vitamin E

Vitamin A

AIPMT 2011 Mains

MCQ (Single Correct Answer)

-1

Which of the statements about ''Denaturation'' given below are correct?

(1)  Denaturation of proteins causes loss of secondary and tertiary structures of the protein.
(2)  Denaturation leads to the conversion of double strand of DND into single strand.
(3)  Denaturation affects primary structure which gets distorted.

(2) and (3)

(1) and (3)

(1) and (2)

(1), (2) and (3)

AIPMT 2011 Prelims

MCQ (Single Correct Answer)

-1

Which one of the following statements is not true regarding (+) lactose?

On hydrolysis (+) lactose gives equal amount of D(+) glucose and D(+) galactose.

(+) Lactose is a $$\beta $$-glucoside formed by the union of a molecule of D(+) glucose and a molecule of D(+) galactose.

(+) Lactose is a reducing sugar and does not exihibit mutarotation.

(+) Lactose, C₁₂H₂₂O₁₁ contains 8-OH groups

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