Skip to content
Independent guidance for Pakistan's healthcare students
Student forum · Coming soonAggregate calculator
Medical AdmissionPAKISTAN
Practice MDCAT

LEARN AT YOUR OWN PACE

MDCAT Question Bank

Think through each question, then reveal the answer and explanation.

Take a practice test →

Use the MDCAT Question Bank to study by subject and try each question yourself.
Click Show Answer to check the correct choice, then take a practice test when you’re ready.

1009 available questions

Chemistry · Question 71

Enzymes are ____________?

  1. Non-specific in action
  2. Very reactive
  3. Highly specific
  4. Volatile
Show AnswerHide Answer

Correct answer: C

Highly specific

Chemistry · Question 72

f-block elements are called?

  1. inner transition
  2. outer transition
  3. both
  4. none
Show AnswerHide Answer

Correct answer: A

inner transition

Chemistry · Question 73

What is the hybridization state of carbon in benzene?

  1. sp2
  2. sp3
  3. sp
  4. All of these
Show AnswerHide Answer

Correct answer: A

sp2

Chemistry · Question 74

Greater the wavelength associated with the photon:

  1. Greater is its energy
  2. Smaller is its energy
  3. its energy will be variable
  4. Its energy will remain constant
Show AnswerHide Answer

Correct answer: B

Smaller is its energy

Chemistry · Question 75

Which of the following compete with each other?

  1. E1,E2
  2. E1,S2
  3. E2,S1
  4. E2,S2
Show AnswerHide Answer

Correct answer: D

E2,S2

Chemistry · Question 76

A pressure cooker reduces cooking time because:

  1. Alarge heat is used
  2. Heat is more evenly distributed
  3. The higher pressure softens food inside
  4. The boiling point of water rises inside
Show AnswerHide Answer

Correct answer: D

The boiling point of water rises inside

Chemistry · Question 77

Which one of the following pairs of compounds is not isomorphic in nature?

  1. NaF and MgO
  2. KNO3 and NaNO3
  3. ZnO and Cds
  4. AgNO3 and KNO3
Show AnswerHide Answer

Correct answer: D

AgNO3 and KNO3

Chemistry · Question 78

Which of the following is not a derivative of benzene?

  1. Pyrrole
  2. Furan
  3. Thiophene
  4. All
Show AnswerHide Answer

Correct answer: D

All

Chemistry · Question 79

How many isomers of C4H10 are possible?

  1. 4
  2. 3
  3. 2
  4. 1
Show AnswerHide Answer

Correct answer: C

2

Chemistry · Question 80

Lattice Points are aslo called

  1. space lattice
  2. crystal lattice
  3. lattice sites
  4. Lattice location
Show AnswerHide Answer

Correct answer: C

lattice sites