Which one of the following structural formulae of two organic compounds is correctly

identified with its related function?

1. A - triglyceride major - a source of energy

2. A - Lecithin - a component of cell membrane 

3. B - Adenine - forms nucleotides of the nucleic acids

4. Both 2. and 3.

Subtopic:  Double Helix : Watson & Crick Part 1 | Lipids: Glycerolipids, Phospholipids & Glycerol | Double Helix : Watson & Crick |
 57%
From NCERT
NEET - 2011
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Which one of the following pairs is wrongly matched?

1. Detergents - Lipase

2. Alcohol - Nitrogenase

3. Fruit juice - Pectinase

4. Textile - Amylase

Subtopic:  Enzymes Classification |
 68%
NEET - 2009
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

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 |
 52%
NEET - 2008
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

advertisementadvertisement

Which one of the following pairs of nitrogenous bases of nucleic acids, is wrongly matched

with the category mentioned against it?

1. Thymine, Uracil         - Pyrimidines

2. Uracil, Cytosine         - Pyrimidines

3. Guanine, Adenine      - Purines

4. Adenine, Thymine     - Purines

Subtopic:  Double Helix : Watson & Crick Part 1 | Double Helix : Watson & Crick |
 80%
From NCERT
NEET - 2008
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

A competive inhibitor of succinic dehydrogenase is

1. malonate                 

2. oxaloacetate

3. α-ketoglutarate       

4. malate

Subtopic:  Enzyme Inhibition: Introduction | Enzyme Inhibition |
 86%
From NCERT
NEET - 2008
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

An organic substance bound to an enzyme and essential for its activity is called:

1. coenzyme                   

2. holoenzyme

3. apoenzyme                 

4. isoenzyme

Subtopic:  Enzyme Cofactors |
 76%
From NCERT
NEET - 2006
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

The enzyme amylase belongs to the class

1. hydrolase                       

2. isomerase

3. transferase                     

4. lyases

Subtopic:  Enzymes Classification |
 65%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

Cobalt is present in the molecule of

1. vitamin B6

2. vitamin B12

3. vitamin B2

4. vitamin B1

 77%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

DNA has deoxyribose as the constituent sugar. The position where the sugar lacks oxygen is

1. 1

2. 2

3. 3

4. 4

Subtopic:  Carbohydrates: Introduction | Carbohydrates: Glycosidic Bond & Disaccharide |
 73%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

advertisementadvertisement

The linkage that joins two adjacent nucleotides in RNA is

1. phosphate ester                 

2. phosphodiester

3. phosphate anhydride         

4. N-glycoside

Subtopic:  Double Helix : Watson & Crick Part 1 | Double Helix : Watson & Crick |
 86%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch