Phospholipids are esters of glycerol with

1. one carboxylic acid residue and two phosphate groups

2. three phosphate groups

3. three carboxylic acid residues

4. two carboxylic acid residues and one phosphate groups

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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Which one of the following gives positive Fehling's solution test ?

1. Sucrose

2. Glucose

3. Fats

4. Protein

Subtopic:  Carbohydrates - Classification & D-L configuration |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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Which of the following is the sweetest sugar?

1. Sucrose

2. Glucose

3. Fructose

4. Maltose

Subtopic:  Carbohydrates - Classification & D-L configuration |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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a-D-(+)-glucose and b-D-(+)-glucose are

1. Anomers

2. Epimers

3. Enantiomers

4. Geometrical isomers

Subtopic:  Carbohydrates - Classification & D-L configuration |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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The couplings between base units of DNA is through : 

1. Hydrogen bonding

2. Electrostatic bonding

3. Covalent bonding

4. Van der waal's forces

Subtopic:   DNA ,RNA & Metal Ions |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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The segment of DNA which acts as the instrumental manual for the synthesis of the protein is 

1. nucleotide

2. ribose

3. gene

4. nucleoside

Subtopic:   DNA ,RNA & Metal Ions |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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Which of the following structures represents the peptide chain ?

1. 

2. 

3. 

4. 

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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On hydrolysis of starch, we finally get

1. glucose

2. fructose

3. Maltose

4. Both 1 and 3

Subtopic:  Carbohydrates - Classification & D-L configuration |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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The correct option about the presence of  H-bond in nucleotides is: 

1. A-T, G-C

2. A-G, T-C

3. G-T, A-C

4. A-A, T-T

Subtopic:   DNA ,RNA & Metal Ions |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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The helical structure of proteins is established by

1. dipeptide bonds

2. hydrogen bonds

3. ether bonds

4. peptide bonds

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level: