MDCAT SAMPLE BIOLOGY QUESTIONS

Medical and Dental College Admission Test (MDCAT) which is also known as “MCAT” is a standardized Test conducted by the University of Health and Sciences (UHS) in admission Lahore. Pakistan Medical and Dental Council (PM and DC) has directed this two and half i.e (150) minutes paper based test to be held once a year and is mandatory for candidates to be able to take admission in ‘MBBS’ and ‘BDS’ degree programs in all the Private and Public Sector Medical and Dental Institutions.

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Topic:

Bioenergetics

Question:

How much energy of glucose is converted into ATP during alcoholic and lactic acid fermentation?

Option:

  • 1%
  • 2%
  • 90%
  • 100%

Correct Answer:

2%

Explanation:

Both alcoholic and lactic acid fermentation yield relatively smaller amount of energy from glucose molecule. Only about 2% of energy of glucose is converted into ATP during alcoholic and lactic acid fermentation.

TOPIC:

Transport

QUESTION:

Electric potential generated by the cardiac impulses are measured through which of the following devices?

OPTIONS:

  • Pacemaker
  • X-ray
  • Electrocardiogram
  • Electrocardiograph

CORRECT OPTION:

Electrocardiograph

EXPLANATION:

Electrocardiograph or ECG is the machine which records cardiac electrical potential. Note that Electrocardiogram is the recording of Electrocardiograph.

TOPIC:

Cell Biology

QUESTION:

Which of the following is the function of lysosomes?

OPTIONS:

  • Phagocytosis
  • Autophagy
  • Enzyme secretion for extracellular digestion
  • All of the above

CORRECT OPTION:

All of the above

EXPLANATION:

Lysosomes performs all these functions.

Phagocytosis is eating process of a cell.

Autophagy is self-eating of worn out parts of the cell e.g mitochondria.

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