Biomolecules Chemistry Questions (NEET, JEE Main) – Test 1

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1. Question 1 of 5

   1. Question

   4 points

   Deficiency of which vitamin causes degeneration of spinal cord? [MH-CET 2014]

   • (A) E
   • (B) K
   • (C) B₁₂
   • (D) A
   Correct
   

   Incorrect
   
2. Question 2 of 5

   2. Question

   4 points

   One mole of stachyose on hydrolysis yields [MH-CET 2014]

   • (A) 1 mole of glucose + 1 mole of fructose + 2 mole of galactose
   • (B) 2 mole of glucose + 1 mole of fructose + 1 mole of galactose
   • (C) 1 mole of glucose + 2 mole of fructose + 1 mole of galactose
   • (D) 2 mole of glucose + 2 mole of fructose
   Correct
   

   Incorrect
   
3. Question 3 of 5

   3. Question

   4 points

   In DNA, the consecutive deoxynucleotides are connected via [WBJEEM 2014]

   • (A) phospho diester linkage
   • (B) phospho monoester linkage
   • (C) phospho triester linkage
   • (D) amide linkage
   Correct
   

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4. Question 4 of 5

   4. Question

   4 points

   The number of amino acids and number of peptide bonds in a linear tetrapeptide (made of different amino acids) are respectively [WBJEEM 2014]

   • (A) 4 and 4
   • (B) 5 and 5
   • (C) 5 and 4
   • (D) 4 and 3
   Correct
   

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5. Question 5 of 5

   5. Question

   4 points

   The statement that is NOT correct is [Karnataka CET 2014]

   • (A) Aldose or ketose sugars in alkaline medium do not isomerise.
   • (B) Carbohydrates are optically active.
   • (C) Penta acetate of glucose does not react with hydroxylamine.
   • (D) Lactose has glycosidic linkage between C4 of glucose and C1 of galactose unit.
   Correct
   

   Incorrect
   

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