287107
Which one of the following, statements is incorrect about enzyme catalysis?
1 Enzymes are mostly proteinous in nature.
2 Enzyme action is specific.
3 Enzymes are denaturated by ultraviolet rays and at high temperature,
4 Enzymes are least reactive at optimum temperature.
Explanation:
(d) Enzymes are most reactive at optimum temperature. The optimum temperature for enzyme activity is the human body temp.
NCERT | Page-425 / N-295 | 2012
BIOMOLECULES (NEET PYQS)
287108
During the process of digestion, the proteins present in food materials are hydrolysed to amino acids. The two enzymes involved in the process
Proteins Polypeptides
Amino acids
are respectively
1 Diastase and Lipase
2 Pepsin and Trypsin
3 Invertase and Zymase
4 Amylase and Maltase
Explanation:
(b) Pepsin and Trypsin are two enzymes involved in the process (hydrolysis of proteins)
NEET 2006
BIOMOLECULES (NEET PYQS)
287109
Enzymes are made up of
1 Edible proteins
2 Proteins with specific structure
3 Nitrogen containing carbohydrates
4 Carbohydrates
Explanation:
(b) Enzymes are made up of protein with specific structure.
NCERT | Page-425 / N-295 | 2002
BIOMOLECULES (NEET PYQS)
287110
Which one of the following chemical units is certainly to be found in an enzyme?
1
2
3
4
Explanation:
(b) Peptide bonds are present in enzyme.
NEET 1997
BIOMOLECULES (NEET PYQS)
287111
Enzymes take part in a reaction and
1 decrease the rate of a chemical reaction
2 increase the rate of a chemical reaction
3 both (a) and (b)
4 none of these
Explanation:
(b) Enzymes being biocatalyst can increase the rate of a reaction upto 10 million times. Even very small amount can accelerate a reaction.
287107
Which one of the following, statements is incorrect about enzyme catalysis?
1 Enzymes are mostly proteinous in nature.
2 Enzyme action is specific.
3 Enzymes are denaturated by ultraviolet rays and at high temperature,
4 Enzymes are least reactive at optimum temperature.
Explanation:
(d) Enzymes are most reactive at optimum temperature. The optimum temperature for enzyme activity is the human body temp.
NCERT | Page-425 / N-295 | 2012
BIOMOLECULES (NEET PYQS)
287108
During the process of digestion, the proteins present in food materials are hydrolysed to amino acids. The two enzymes involved in the process
Proteins Polypeptides
Amino acids
are respectively
1 Diastase and Lipase
2 Pepsin and Trypsin
3 Invertase and Zymase
4 Amylase and Maltase
Explanation:
(b) Pepsin and Trypsin are two enzymes involved in the process (hydrolysis of proteins)
NEET 2006
BIOMOLECULES (NEET PYQS)
287109
Enzymes are made up of
1 Edible proteins
2 Proteins with specific structure
3 Nitrogen containing carbohydrates
4 Carbohydrates
Explanation:
(b) Enzymes are made up of protein with specific structure.
NCERT | Page-425 / N-295 | 2002
BIOMOLECULES (NEET PYQS)
287110
Which one of the following chemical units is certainly to be found in an enzyme?
1
2
3
4
Explanation:
(b) Peptide bonds are present in enzyme.
NEET 1997
BIOMOLECULES (NEET PYQS)
287111
Enzymes take part in a reaction and
1 decrease the rate of a chemical reaction
2 increase the rate of a chemical reaction
3 both (a) and (b)
4 none of these
Explanation:
(b) Enzymes being biocatalyst can increase the rate of a reaction upto 10 million times. Even very small amount can accelerate a reaction.
287107
Which one of the following, statements is incorrect about enzyme catalysis?
1 Enzymes are mostly proteinous in nature.
2 Enzyme action is specific.
3 Enzymes are denaturated by ultraviolet rays and at high temperature,
4 Enzymes are least reactive at optimum temperature.
Explanation:
(d) Enzymes are most reactive at optimum temperature. The optimum temperature for enzyme activity is the human body temp.
NCERT | Page-425 / N-295 | 2012
BIOMOLECULES (NEET PYQS)
287108
During the process of digestion, the proteins present in food materials are hydrolysed to amino acids. The two enzymes involved in the process
Proteins Polypeptides
Amino acids
are respectively
1 Diastase and Lipase
2 Pepsin and Trypsin
3 Invertase and Zymase
4 Amylase and Maltase
Explanation:
(b) Pepsin and Trypsin are two enzymes involved in the process (hydrolysis of proteins)
NEET 2006
BIOMOLECULES (NEET PYQS)
287109
Enzymes are made up of
1 Edible proteins
2 Proteins with specific structure
3 Nitrogen containing carbohydrates
4 Carbohydrates
Explanation:
(b) Enzymes are made up of protein with specific structure.
NCERT | Page-425 / N-295 | 2002
BIOMOLECULES (NEET PYQS)
287110
Which one of the following chemical units is certainly to be found in an enzyme?
1
2
3
4
Explanation:
(b) Peptide bonds are present in enzyme.
NEET 1997
BIOMOLECULES (NEET PYQS)
287111
Enzymes take part in a reaction and
1 decrease the rate of a chemical reaction
2 increase the rate of a chemical reaction
3 both (a) and (b)
4 none of these
Explanation:
(b) Enzymes being biocatalyst can increase the rate of a reaction upto 10 million times. Even very small amount can accelerate a reaction.
287107
Which one of the following, statements is incorrect about enzyme catalysis?
1 Enzymes are mostly proteinous in nature.
2 Enzyme action is specific.
3 Enzymes are denaturated by ultraviolet rays and at high temperature,
4 Enzymes are least reactive at optimum temperature.
Explanation:
(d) Enzymes are most reactive at optimum temperature. The optimum temperature for enzyme activity is the human body temp.
NCERT | Page-425 / N-295 | 2012
BIOMOLECULES (NEET PYQS)
287108
During the process of digestion, the proteins present in food materials are hydrolysed to amino acids. The two enzymes involved in the process
Proteins Polypeptides
Amino acids
are respectively
1 Diastase and Lipase
2 Pepsin and Trypsin
3 Invertase and Zymase
4 Amylase and Maltase
Explanation:
(b) Pepsin and Trypsin are two enzymes involved in the process (hydrolysis of proteins)
NEET 2006
BIOMOLECULES (NEET PYQS)
287109
Enzymes are made up of
1 Edible proteins
2 Proteins with specific structure
3 Nitrogen containing carbohydrates
4 Carbohydrates
Explanation:
(b) Enzymes are made up of protein with specific structure.
NCERT | Page-425 / N-295 | 2002
BIOMOLECULES (NEET PYQS)
287110
Which one of the following chemical units is certainly to be found in an enzyme?
1
2
3
4
Explanation:
(b) Peptide bonds are present in enzyme.
NEET 1997
BIOMOLECULES (NEET PYQS)
287111
Enzymes take part in a reaction and
1 decrease the rate of a chemical reaction
2 increase the rate of a chemical reaction
3 both (a) and (b)
4 none of these
Explanation:
(b) Enzymes being biocatalyst can increase the rate of a reaction upto 10 million times. Even very small amount can accelerate a reaction.
287107
Which one of the following, statements is incorrect about enzyme catalysis?
1 Enzymes are mostly proteinous in nature.
2 Enzyme action is specific.
3 Enzymes are denaturated by ultraviolet rays and at high temperature,
4 Enzymes are least reactive at optimum temperature.
Explanation:
(d) Enzymes are most reactive at optimum temperature. The optimum temperature for enzyme activity is the human body temp.
NCERT | Page-425 / N-295 | 2012
BIOMOLECULES (NEET PYQS)
287108
During the process of digestion, the proteins present in food materials are hydrolysed to amino acids. The two enzymes involved in the process
Proteins Polypeptides
Amino acids
are respectively
1 Diastase and Lipase
2 Pepsin and Trypsin
3 Invertase and Zymase
4 Amylase and Maltase
Explanation:
(b) Pepsin and Trypsin are two enzymes involved in the process (hydrolysis of proteins)
NEET 2006
BIOMOLECULES (NEET PYQS)
287109
Enzymes are made up of
1 Edible proteins
2 Proteins with specific structure
3 Nitrogen containing carbohydrates
4 Carbohydrates
Explanation:
(b) Enzymes are made up of protein with specific structure.
NCERT | Page-425 / N-295 | 2002
BIOMOLECULES (NEET PYQS)
287110
Which one of the following chemical units is certainly to be found in an enzyme?
1
2
3
4
Explanation:
(b) Peptide bonds are present in enzyme.
NEET 1997
BIOMOLECULES (NEET PYQS)
287111
Enzymes take part in a reaction and
1 decrease the rate of a chemical reaction
2 increase the rate of a chemical reaction
3 both (a) and (b)
4 none of these
Explanation:
(b) Enzymes being biocatalyst can increase the rate of a reaction upto 10 million times. Even very small amount can accelerate a reaction.