Here are some significant multiple-choice questions (MCQs) about the MDCAT that are frequently asked on the MDCAT or other medical entrance tests. Always use updated study materials and practice questions for the most accurate and up-to-date knowledge.
A useful post for you: Guideline about the MDCAT Test
1 Which of the following is the powerhouse of the cell?
a) Nucleus
b) Mitochondria
c) Golgi apparatus
d) Endoplasmic reticulum
Answer: b) Mitochondria
2 What is the smallest unit of life?
a) Cell
b) Molecule
c) Atom
d) Organ
Answer: a) Cell
3 The process by which green plants capture light energy and convert it into chemical energy is known as
a) Respiration
b) Digestion
c) Photosynthesis
d) Fermentation
Answer: c) Photosynthesis
4 Which of the following blood vessels carries oxygenated blood from the lungs to the heart?
a) Pulmonary artery
b) Aorta
c) Pulmonary vein
d) Superior vena cava
Answer: c) Pulmonary vein
5 Which of the following is responsible for the formation of antibodies?
a) Red blood cells
b) White blood cells
c) Platelets
d) Plasma
Answer: b) White blood cells
6 The hormone insulin is produced by which organ?
a) Liver
b) Pancreas
c) Thyroid
d) Kidneys
Answer: b) Pancreas
7 Which of the following is responsible for carrying oxygen in the blood?
a) Hemoglobin
- b) Myoglobin
c) Collagen
d) Keratin
Answer: a) Hemoglobin
8 Which part of the brain is responsible for controlling basic life functions such as heart rate and breathing?
a) Cerebrum
b) Cerebellum
c) Medulla oblongata
d) Thalamus
Answer: c) Medulla oblongata
9 Which system is responsible for breaking down food and absorbing nutrients into the bloodstream?
a) Nervous system
b) Muscular system
c) Digestive system
d) Endocrine system
Answer: c) Digestive system
10 Which of the following is a sex-linked genetic disorder?
a) Cystic fibrosis
b) Down syndrome
c) Hemophilia
d) Huntington’s disease
Answer: c) Hemophilia
11 Which of the following elements has the highest electronegativity?
a) Sodium
b) Chlorine
c) Carbon
d) Oxygen
Answer: d) Oxygen
12 The process of conversion of a solid directly into a gas without passing through the liquid state is called:
a) Sublimation
b) Evaporation
c) Vaporization
d) Condensation
Answer: a) Sublimation
13 The pH of a neutral solution is
a) 0
b) 7
c) 14
d) It varies
Answer: b) 7
14 Which of the following compounds is an alkane?
a) Ethanol
b) Ethyne
c) Methane
d) Ethanoic acid
Answer: c) Methane
15 What is the molecular formula of glucose?
a) C6H12O6
b) C3H6O3
c) C5H10O5
d) C4H8O4
Answer: a) C6H12O6
16 The process of conversion of an alkene into an alkane is called:
a) Hydrogenation
b) Halogenation
c) Dehydration
d) Saponification
Answer: a) Hydrogenation
17 The SI unit of pressure is:
a) Pascal
b) Newton
c) Joule
d) Kilogram
Answer: a) Pascal
18 Which of the following elements is a noble gas?
a) Nitrogen
b) Oxygen
c) Helium
d) Fluorine
Answer: c) Helium
19 The process of rusting of iron is an example of:
a) Combustion
b) Oxidation
c) Reduction
d) Sublimation
Answer: b) Oxidation
20 Which of the following is a strong acid?
a) Acetic acid
b) Hydrochloric acid
c) Citric acid
d) Formic acid
Answer: b) Hydrochloric acid
Newton’s Laws and Dynamics:
a) What is the SI unit of force?
-
- Kilogram (kg)
- Meter per second squared (m/s²)
- Joule (J)
- Newton (N)
b) According to Newton’s third law of motion, for every action, there is an equal and opposite:
-
- Velocity
- Acceleration
- Force
- Mass
Kinematics:
a) What is the equation for calculating acceleration (a) using initial velocity (u), final velocity (v), and time (t)?
-
- a = (v – u) / t
- a = (u – v) / t
- a = vt + u
- a = (v + u) * t
Thermodynamics:
a) Which of the following processes does not involve a change in internal energy?
-
- Isothermal
- Adiabatic
- Isobaric
- Isochoric
- b) The first law of thermodynamics is a statement of the conservation of:
- Mass
- Energy
- Momentum
- Heat
Optics:
a) Which phenomenon explains why the sky is blue?
-
- Dispersion
- Diffraction
- Polarization
- Rayleigh scattering
b) In a converging lens, where is the focal point located?
-
- On the same side as the object
- On the opposite side of the object
- In the center of the lens
- At infinity
Electromagnetism:
a) What is the SI unit of electric charge?
-
- Ampere (A)
- Ohm (Ω)
- Coulomb (C)
- Volt (V)
b) The voltage across a circuit element is directly proportional to the current passing through it. This is a statement of:
-
- Ohm’s law
- Gauss’s law
- Ampère’s law
- Faraday’s law
Nuclear Physics:
a) What is the process by which a heavy nucleus splits into two lighter nuclei, releasing a significant amount of energy?
-
- Fusion
- Fission
- Alpha decay
- Beta decay
b) What particle is emitted during beta-minus decay?
-
- Proton
- Neutron
- Electron
- Positron
31 Read the following passage and answer the questions below:
“The human circulatory system is responsible for transporting blood throughout the body. It consists of the heart, blood vessels, and blood. The heart pumps oxygenated blood to various parts of the body through arteries. Veins carry deoxygenated blood back to the heart. Blood plays a crucial role in carrying nutrients and oxygen to cells, as well as removing waste products.”
(i) What is the function of arteries in the circulatory system?
a) Carry deoxygenated blood
b) Pump blood to the heart
c) Carry oxygenated blood
d) Remove waste products
(ii) What do veins do in the circulatory system?
a) Pump blood to the heart
b) Carry deoxygenated blood
c) Carry oxygenated blood
d) Carry waste products
32 Choose the synonym for “abundant”:
a) Scarce
b) Limited
c) Plentiful
d) Insufficient
33 What is the meaning of the word “ephemeral”?
a) Lasting a very short time
b) Long-lasting
c) Permanent
d) Eternal
34 Identify the sentence with correct subject-verb agreement:
a) The group of students was studying for their exams.
b) The group of students were studying for their exams.
c) The group of students is studying for their exams.
d) The group of students is studying for their exams.
35 Choose the correct sentence:
a) Me and my friend are going to the museum.
b) My friend and me is going to the museum.
c) My friend and I are going to the museum.
d) My friend and I are going to the museum.
36 Identify the sentence with proper punctuation:
a) She wanted to go home but, she had to finish her work.
b) She wanted to go home, but she had to finish her work.
c) She wanted to go home but she had to finish her work.
d) She wanted to go home, but she had to finish her work.
37 Choose the correctly punctuated sentence:
a) The cat climbed the tree, scratched its claws, and then jumped down.
b) The cat climbed the tree scratched its claws, and then jumped down.
c) The cat climbed the tree scratched its claws and then jumped down.
d) The cat climbed the tree scratched its claws, and then, jumped down.
Remember that you can improve your preparation for the MDCAT exam by practicing a variety of questions and themes. I wish you luck in your academics! For more tips click here.