Which one of the following is a non-reducing carbohydrate?                                [2014]

1. Maltose

2. Sucrose

3. Lactose

4. Ribose-5-phosphate

Subtopic:  Carbohydrates: Introduction | Carbohydrates: Glycosidic Bond & Disaccharide |
 73%
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NEET 2023 - Target Batch - Aryan Raj Singh
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In the DNA molecule

1. The total amount of purine nucleotides and pyrimidine nucleotides is not always equal

2. There are two strands which run parallel in 5'3' direction

3. The proportion of adenine in relation to thymine varies with the organism

4. There are two strands which run antiparallel one in 5'3' direction and other in 3'5' direction 

Subtopic:  Double Helix : Watson & Crick Part 2 | Double Helix : Watson & Crick |
 86%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

The major portion of the dry weight of plants comprises of                  [2003]

1. Carbon, nitrogen and sulphur

2. Carbon, nitrogen and oxygen

3. Nitrogen, phosphorous and potassium

4. Calcium, magnesium and sulphur

Subtopic:  Introduction |
 57%
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NEET 2023 - Target Batch - Aryan Raj Singh
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Select the option which is not correct with respect to enzyme action.

1. Substrate binds with enzyme as its active site

2. Addition of lot of succinate does not reverse the inhibition of succinic dehydogenase by malonate.

3. A non-competitive inhibitor binds the enzyme at a site distinct from that which binds the substrate

4. Malonate is a competitive inhibitor of succinic dehydrogenase

Subtopic:  Enzyme Inhibition: Introduction | Enzyme Inhibition |
 68%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

Two free ribonucleotide units are interlinked with

1. Peptide bond

2. Covalent bond

3. Hydrogen bond

4. Phosphodiester bond

Subtopic:  Double Helix : Watson & Crick Part 1 | Double Helix : Watson & Crick |
 67%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh

Genes are packaged into a bacterial chromosome by                           [1997]

1. Histones

2. Basic proteins

3. Acidic proteins

4. Actin

Subtopic:  Proteins |
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NEET 2023 - Target Batch - Aryan Raj Singh
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Lactose is composed of                      [1998]

1. Glucose+Glucose

2. Glucose+Fructose

3. Fructose+Galactose

4. Glucose+Galactose

Subtopic:  Carbohydrates: Glycosidic Bond & Disaccharide |
 76%
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In which of the following groups, all the three are examples of polysaccharides?           

1. Starch, glycogen, cellulose

2. Sucrose, maltose, glucose

3. Glucose, fructose, lactose

4. Galactose, starch, sucrose 

Subtopic:  Carbohydrates: Starch & Glycogen | Carbohydrates: Cellulose, Chitin, Inulin & Agar |
 82%
From NCERT
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Km value is dependent upon

1. Temperature

2. Substrate concentration

3. Enzyme concentration

4. All of the above

Subtopic:  Properties of Enzymes |
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NEET 2023 - Target Batch - Aryan Raj Singh
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Most abundant organic compound on earth is                     [2001,2004]

1. Protein

2. Cellulose

3. Lipids

4. Steroids

Subtopic:  Introduction |
 65%
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NEET 2023 - Target Batch - Aryan Raj Singh
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