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MDCAT Question Bank

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1009 available questions

Biology · Question 1001

Which human trait can behave as dominant in males but recessive in females?

  1. Tongue rolling
  2. Diabetes mellitus
  3. Hereditary baldness
  4. Intelligence
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Correct answer: C

Hereditary baldness

The correct answer is Hereditary baldness.

Biology · Question 1002

Which type of diabetes mellitus is insulin-dependent?

  1. Type I (juvenile) diabetes
  2. Type II diabetes
  3. MODY
  4. Gestational diabetes
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Correct answer: A

Type I (juvenile) diabetes

The correct answer is Type I (juvenile) diabetes.

Biology · Question 1003

A specific 4–6 nucleotide sequence at which a restriction enzyme cuts DNA is called a:

  1. Palindromic sequence
  2. Sticky ends
  3. Okazaki fragment
  4. RNA primer
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Correct answer: A

Palindromic sequence

The correct answer is Palindromic sequence.

Biology · Question 1004

The traditional crossing of different plant varieties or species is called:

  1. Genetic engineering
  2. Hybridization
  3. Gene cloning
  4. Tissue culture technique
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Correct answer: B

Hybridization

The correct answer is Hybridization.

Biology · Question 1005

The energy remaining after plants meet their respiratory needs appears as plant:

  1. Gross primary production
  2. Net primary production
  3. Biomass
  4. All of these
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Correct answer: C

Biomass

The correct answer is Biomass.

Biology · Question 1006

A uniformly warm and moist climate is found in:

  1. Temperate areas
  2. Tropics
  3. Arid areas
  4. Sub-tropics
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Correct answer: B

Tropics

The correct answer is Tropics.

Biology · Question 1007

Which biome has widely spaced vegetation and large areas of bare ground?

  1. Grassland
  2. Desert
  3. Taiga
  4. Tundra
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Correct answer: B

Desert

The correct answer is Desert.

Biology · Question 1008

Which is the last biome encountered before the polar ice caps?

  1. Taiga
  2. Alpine
  3. Boreal
  4. Arctic Tundra
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Correct answer: D

Arctic Tundra

The correct answer is Arctic Tundra.

Biology · Question 1009

Treeless vegetation above the timberline at high altitude is called:

  1. Boreal
  2. Desert
  3. Tundra
  4. Taiga
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Correct answer: C

Tundra

The correct answer is Tundra.