Cellulose is the major component of cell walls of:

1. pythium

2. Xanthomonas

3. Pseudomonas

4. Saccharomyces

Subtopic:  Carbohydrates: Cellulose, Chitin, Inulin & Agar |
Level 3: 35%-60%
AIPMT - 2008
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Carbohydrates are commonly found as starch in plant storage organs. Which of the following five properties of starch (A-E) make it useful as a storage material?
 
(A) Easily translocated
(B) Chemically non-reactive
(C) Easily digested by animals
(D) Osmotically inactive
(E) Synthesized during photosynthesis

The useful properties are:
1. (B) and (C)
2. (B) and (D)
3. (A), (C) and (E)
4. (A) and (E)
Subtopic:  Carbohydrates: Starch & Glycogen |
 59%
Level 3: 35%-60%
AIPMT - 2008
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A competitive inhibitor of succinic dehydrogenase is:

1. malonate 2. oxaloacetate
3. α-ketoglutarate 4. malate
Subtopic:  Enzyme Inhibition: Introduction | Enzyme Inhibition |
 91%
Level 1: 80%+
AIPMT - 2008
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The biological organisation starts with:

1. Submicroscopic molecular level

2. Cellular level

3. Organisms level

4. Atomic level

Subtopic:  Element Analysis |
 51%
Level 3: 35%-60%
AIPMT - 2007
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Which one of the following is a fat-soluble vitamin and its related deficiency disease?

1. Ascorbic acid - Scurvy
2. Retinol - Xerophthalmia
3. Cobalamine - Beri-Beri
4. Calciferol - Pellagra

Subtopic:  Enzyme Cofactors |
 59%
Level 3: 35%-60%
AIPMT - 2007
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Which of the following glucose transporters is insulin-dependent?
1. GLUT IV
2. GLUT I
3. GLUT II
4. GLUT III

Subtopic:  Proteins |
 84%
Level 1: 80%+
NEET - 2019
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Concanavalin A is:

1. a pigment 2. an alkaloid
3. an essential oil 4. a lectin
Subtopic:  Primary & Secondary Metabolites |
 76%
Level 2: 60%+
NEET - 2019
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Consider the following statements:

A:  A coenzyme or metal ion that is tightly bound to enzyme protein is called prosthetic group
B: A complete catalytic enzyme with its bound prosthetic group is called apoenzyme


Select the correct option

1. (A) is false but (B) is true

2. Both (A) and (B) are true

3. (A) is true but (B) is false

4. Both (A) and (B) are false

Subtopic:  Enzyme Cofactors |
Level 3: 35%-60%
NEET - 2019
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Amino acids are not

1.substituted methanes

2.organic compounds

3.Inorganic compounds

4.structural unit of proteins

Subtopic:  Different Amino Acids |
 82%
Level 1: 80%+
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How many groups of the methane can be substituted to form an amino acid Glycine.

1.4

2.3

3.2

4.1

Subtopic:  Different Amino Acids |
Level 3: 35%-60%
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