Biochemistry - Mock Test 20

Question 191

The process of bond cleaving in biomolecules by nucleophilic activity of water is known as

A) Oxidation B) Hydrolysis C) Reduction D) Catalysis

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Question 192

The interactions between oppositely charged groups usually form

A) Salt bridges B) Covalant bonds C) Hydrophobic interactions D) Precipitates

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Question 193

The property of biomoloecules having polar functional groups and hydrophobicity is known as

A) Amphoteric B) Steric C) Amphipathic D) Isochromatic

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Question 194

The tendency of non polar molecules to aggregate in water is known as

A) Covalant bonding B) Van der Waals interractions C) Hydrogen bonding D) Hydrophobic interactions

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Question 195

The heat content in a system is defined by its

A) Entropy B) Eutrophy C) Enthalpy D) Kinetic energy

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Question 196

A disorder in any given system is defined by its

A) Entropy B) Eutrophy C) Enthalpy D) Kinetic energy

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Question 197

The energy released during a process occurrence is

A) Kinetic energy B) Solar energy C) Potential energy D) Bonding energy

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Question 198

The second law of thermodynamics states that

A) The total entropy of a system and its surroundings always increases fora spontaneous process B) Energy can neither be created nor destroyed C) The total energy of a system and its surroundings is constant D) The total energy of a system and its surroundings is never constant

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Question 199

The first law of thermodynamics states that

A) The total entropy of a system and its surroundings always increases for a spontaneous process B) Energy can be created C) The total energy of a system and its surroundings is constant D) The total energy of a system and its surroundings is never constant

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Question 200

The dielectric constant of water is

A) 80 B) 60 C) 40 D) 20

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