Ques:Q: An amide bond joining two amino acid units is called a what? Choices: - carboxyl bond - ammonia bond - precipitate bond - peptide bond A:

Ans:peptide bond
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Ques:Q: A system is said to be in stable equilibrium if, when displaced from equilibrium, it experiences a net force or torque in a direction opposite to the direction of the what? Choices: - velocity - variation - dispersement - displacement A:

Ans:displacement
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Ques:Q: Light from objects at different distances is focused by what part of the eye? Choices: - iris - pupil - meniscus - lens A:

Ans:lens
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Ques:Q: The number of particles of a substance in a given volume is known as? Choices: - frequency - range - mass - concentration A:

Ans:
concentration
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