General
✓✗The secondary structure of a protein refers to
- the three-dimensional structure, especially bonds between amino acid residues distant from each other
- the linear sequence of amino acid residues
- denatured proteins and prosthetic groups
- regular folding patterns of continuous portions of the polypeptide chain
General
✓✗The number of amino acids commonly found in proteins is about
- 10
- 4
- 100
- 20
General
✓✗Which of the following is the sweetest sugar?
- Fructose
- Glucose
- Sucrose
- Maltose
General
✓✗Assertion: Sucrose is a non-reducing sugar.
Reason: In sucrose, the glycosidic bond involves the anomeric carbons of both glucose and fructose.
Reason: In sucrose, the glycosidic bond involves the anomeric carbons of both glucose and fructose.
- Both Assertion and Reason are true and Reason is the correct explanation of Assertion
- Both Assertion and Reason are true but Reason is not the correct explanation of Assertion
- Assertion is true but Reason is false
- Both Assertion and Reason are false
General
✓✗Which polysaccharide has both C1−C4 and C1−C6 α-glycosidic links?
- Amylopectin
- Inulin
- Cellulose
- Amylose
General
✓✗Which of the following disaccharides contains a fructose unit?
- Cellobiose
- Maltose
- Sucrose
- Lactose
General
✓✗Deficiency of vitamin B2 (riboflavin) causes
- rickets
- cheilosis
- night blindness
- scurvy
General
✓✗Deficiency of vitamin C causes
- beri-beri
- scurvy
- rickets
- night blindness
General
✓✗Lactose is commonly known as
- invert sugar
- milk sugar
- cane sugar
- fruit sugar
General
✓✗Assertion: Vitamin D is a water-soluble vitamin.
Reason: Vitamin D deficiency causes rickets.
Reason: Vitamin D deficiency causes rickets.
- Both Assertion and Reason are true and Reason is the correct explanation of Assertion
- Both Assertion and Reason are true but Reason is not the correct explanation of Assertion
- Assertion is true but Reason is false
- Assertion is false but Reason is true
General
✓✗Statement I: Keratin is a fibrous protein.
Statement II: Albumin is a globular protein.
Statement II: Albumin is a globular protein.
- Both Statement I and Statement II are correct
- Both Statement I and Statement II are incorrect
- Statement I is correct but Statement II is incorrect
- Statement I is incorrect but Statement II is correct
General
✓✗Which of the following statements about enzymes are correct?
A. Most enzymes are globular proteins.
B. Enzymes lower the activation energy.
C. Enzymes are highly specific.
D. Enzymes shift the position of equilibrium.
Choose the correct answer from the options given below.
A. Most enzymes are globular proteins.
B. Enzymes lower the activation energy.
C. Enzymes are highly specific.
D. Enzymes shift the position of equilibrium.
Choose the correct answer from the options given below.
- B and D only
- A, B, C and D
- A and D only
- A, B and C only
General
✓✗D-Glucose and D-galactose are
- epimers (differ at C4)
- anomers
- identical
- enantiomers
General
✓✗Statement I: Thyroxine contains iodine.
Statement II: Adrenaline is a steroid hormone.
Statement II: Adrenaline is a steroid hormone.
- Both Statement I and Statement II are correct
- Both Statement I and Statement II are incorrect
- Statement I is correct but Statement II is incorrect
- Statement I is incorrect but Statement II is correct
General
✓✗How many peptide bonds are present in a pentapeptide?
- 6
- 3
- 5
- 4