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MDCAT Question Bank

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1009 available questions

Physics · Question 901

A thermodynamic process at constant temperature is called:

  1. Isothermal process
  2. Adiabatic process
  3. Isochoric process
  4. Isobaric process
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Correct answer: A

Isothermal process

The printed worksheet key marks A (Isothermal process) as the correct answer.

Physics · Question 902

Which pressure-volume relation applies to an isothermal change of a fixed ideal-gas sample?

  1. P₁V₁ = P₂V₂
  2. P₁V₂ = P₂V₁
  3. Pressure is constant
  4. Volume is constant
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Correct answer: A

P₁V₁ = P₂V₂

The printed worksheet key marks A (P₁V₁ = P₂V₂) as the correct answer.

Physics · Question 903

During which process work done is minimum?

  1. Isothermal
  2. Isochoric
  3. Adiabatic
  4. Isobaric
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Correct answer: B

Isochoric

The printed worksheet key marks B (Isochoric) as the correct answer.

Physics · Question 904

Which first-law relation applies to an isobaric ideal-gas process?

  1. CᵥΔT = PΔV
  2. CᵥΔT = CₚΔT + PΔV
  3. CₚΔT = CᵥΔT + PΔV
  4. None of these
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Correct answer: C

CₚΔT = CᵥΔT + PΔV

The printed worksheet key marks C (CₚΔT = CᵥΔT + PΔV) as the correct answer.

Biology · Question 905

What is the highly structured living substance of which living things are composed?

  1. Proteins
  2. Cytoplasm
  3. Protoplasm
  4. Carbohydrates
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Correct answer: C

Protoplasm

The correct answer is Protoplasm.

Biology · Question 906

Which of the following is the direct source of energy in living bodies?

  1. ATP
  2. Glucose
  3. Amino acid
  4. Fatty acid
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Correct answer: A

ATP

The correct answer is ATP.

Biology · Question 907

In which group is the organ level of organization much less definite?

  1. Plants
  2. Animals
  3. Bacteria
  4. Viruses
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Correct answer: A

Plants

The correct answer is Plants.

Biology · Question 908

The distribution of organisms can best be studied through:

  1. Ecosystems
  2. Biosphere
  3. Biomes
  4. All these
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Correct answer: C

Biomes

The correct answer is Biomes.

Biology · Question 909

A systematized body of knowledge is known as:

  1. Religion
  2. Philosophy
  3. Science
  4. Imagination
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Correct answer: C

Science

The correct answer is Science.

Biology · Question 910

Plant and animal breeders develop new varieties by using:

  1. Selective breeding
  2. Using principles of genetics
  3. Biological control
  4. Both A and B
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Correct answer: D

Both A and B

The correct answer is Both A and B.