Given below are two statements.
Assertion (A): Amylose is a water-insoluble component.
Reason (R): Amylose is a long linear molecule with more than 200 glucose units.

In light of the above statements, choose the correct answer from the options given below.
1. Both (A) and (R) are True, and (R) is the correct explanation for (A).
2. Both (A) and (R) are True, but (R) is not the correct explanation for (A)
3. (A) is True, but (R) is False.
4. (A) is False, but (R) is True.

Subtopic:  Polysaccharides & their Importance |
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Level 3: 35%-60%
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Which of the following protein structures remains unaffected by heating?
1. Secondary Structure
2. Tertiary Structure
3. Primary Structure
4. Quaternary Structure
Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
 86%
Level 1: 80%+
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Two monomers in maltose are:
1. \(\alpha\)-D-glucose and \(\beta\)-D-glucose
2. \(\alpha\)-D-glucose and \(\alpha\)-D-Fructose
3. \(\alpha\)-D-glucose and \(\alpha\)-D-galactose
4. \(\alpha\)-D-glucose and \(\alpha\)-D-glucose
Subtopic:  Carbohydrates - Classification & D-L configuration |
 72%
Level 2: 60%+
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The stability of \(\alpha-\)Helix structure of proteins depends upon:

1. Dipolar interaction
2. H-bonding interaction
3. Van der Walls forces
4. \(\pi-\)stacking interaction
Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
 87%
Level 1: 80%+
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Match List-I with List-II:
List-I
(Types of enzymes)
List-II
(Sources or Functions)
A. Zymase I Stomach 
B. Diastase II Yeast 
C. Urease III Malt
D. Pepsin IV Soyabean
Choose the correct answer from the options given below:
1. A-II, B-III, C-I, D-IV 2. A-II, B-III, C-IV, D-I
3. A-III, B-II, C-IV, D-I 4. A-III, B-II, C-I, D-IV
Subtopic:  Vitamins, Hormones & Enzymes |
 68%
Level 2: 60%+
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Which one of the following is a water-soluble vitamin that is not excreted easily?
1. Vitamin \(\text{B}_2\) 2. Vitamin \(\text{B}_1\)
3. Vitamin \(\text{B}_6\) 4. Vitamin \(\text{B}_{12}\)
Subtopic:  Vitamins, Hormones & Enzymes |
 83%
Level 1: 80%+
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Hydrolysis of sucrose gives:
1. \(\alpha \)-D-(+)-Glucose and \(\alpha \)-D-(-)-Fructose
2. \(\alpha \)-D-(+)-Glucose and \(\beta\)-D-(–)-Fructose
3. \(\alpha \)-D-(–)-Glucose and \(\beta\)-D-(–)-Fructose
4. \(\alpha \)-D-(–)-Glucose and \(\alpha \)-D-(+)-Fructose
Subtopic:  Polysaccharides & their Importance |
 84%
Level 1: 80%+
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Which of the following is not an example of a fibrous protein?
1. Collagen
2. Myosin
3. Albumin
4. Keratin
Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
 61%
Level 2: 60%+
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The water soluble protein is :
1. Myosin
2. Collagen
3. Fibrin
4. Albumin
Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
 77%
Level 2: 60%+
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Consider the following structure:

The molecule shown is a nitrogenous base found in DNA. Which DNA base does it pair with (i.e., its complementary base)?

1. Uracil
2. Cytosine
3. Guanine
4. Adenine
Subtopic:   DNA, RNA & Metal Ions |
 70%
Level 2: 60%+
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