Reducing sugars are -

1. Carbohydrates that reduce Fehling’s solution and Tollen’s reagent.
2. Carbohydrates that reduce only Tollen’s reagent.
3. Carbohydrates that reduce only Fehling’s solution .
4. Carbohydrates that reduce HI

Subtopic:  Carbohydrates - Classification & D-L configuration |
 92%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The secondary structure of protein is represented by:

1. α-helix structure 2. β-pleated sheet structure
3. Both 1 and 2 4. None of the above
Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
 88%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

α-helix structure of proteins is stabilized by :

1. H-bonds formed between the −SH and C=O group.
2. H-bonds formed between the −NH and C=O group.
3. Ionic bonds formed between the −SH and C=O group.
4. Ionic bonds formed between the −NH and C=O group.

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
 85%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

advertisementadvertisement

Amino acids exhibit amphoteric behavior as -

1. They can act both as an acid and as a base.

2. They can act only as an acid but not as a base.

3. They can act only as a base but not an acid.

4. None of the above.

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
 95%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The denaturation of proteins indicates -

1. The primary structure of a protein is destroyed and the enzyme loses it's activity.
2. The primary structure of a protein is destroyed and the enzyme enhances it's activity.
3. The secondary and tertiary structures of a protein are destroyed and the enzyme loses it's activity.
4. The secondary and tertiary structures of a protein are destroyed and the enzyme enhances it's activity.

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
 85%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Monosaccharides are:

1. Carbohydrates that can't be hydrolysed further to give simpler units of polyhydroxy aldehyde or ketone. 
2. Classified on the basis of the number of carbon atoms and the functional group present in them.
3. The monomers of carbohydrates.
4. All of the above.

Subtopic:  Carbohydrates - Classification & D-L configuration |
 85%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

advertisementadvertisement

α-D-glucose and β-D-glucose are:

1. Epimers

2. Anomers

3. Functional isomers

4. Chain isomers

Subtopic:  Carbohydrates - Classification & D-L configuration |
 83%
From NCERT
AIPMT - 2000
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The incorrect statement about nucleic acid is:

1. It is responsible for heredity.
2. It is responsible for protein synthesis in a cell.
3. It is a constituent of the chromosome.
4. It is responsible for the transmission of chemical signals.
Subtopic:   DNA, RNA & Metal Ions |
 78%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

D-Glucose  \(\xrightarrow[]{\textbf{?}}\) Saccharic acid

The oxidizing reagent used for this conversion is -

1. HI 2. Bromine water
3. HNO3  4. H2SO4
Subtopic:  Polysaccharides & their Importance |
 69%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

advertisementadvertisement

Examples of globular proteins are:

a. Insulin b. Keratin
c. Albumin d. Myosin


Choose the correct option : 
1. a and b
2. b and c
3. c and d
4. a and c

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
 70%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh