Daily MDCAT Practice Test #2 offers a rigorous assessment for aspiring medical students, covering essential subjects and challenging questions. Join us as we delve into critical topics and enhance your preparation for this crucial examination. 🌟
1.What is the function of the Golgi apparatus in a cell?
- A. Protein synthesis
- B. Lipid metabolism
- C. Cellular respiration
- D. Packaging and modification of proteins
Answer: D. Packaging and modification of proteins
Explanation: The Golgi apparatus (or Golgi complex) is responsible for modifying, sorting, and packaging proteins and lipids into vesicles for transport within the cell or secretion outside the cell.
2.Which of the following quantities is a vector?
- A. Speed
- B. Distance
- C. Displacement
- D. Time
Answer: C. Displacement
Explanation: Displacement is a vector quantity because it has both magnitude (distance) and direction. Speed, distance, and time are scalar quantities.
3.What is the molecular formula of glucose?
- A. C6H12O6
- B. CH4
- C. H2O
- D. CO2
Answer: A. C6H12O6
Explanation: Glucose has the chemical formula C6H12O6. It is a simple sugar and an essential energy source for living organisms.
4.If all cats are mammals, and some mammals are carnivores, can we conclude that all cats are carnivores?
Answer: B. No
Explanation: The given information does not allow us to make this conclusion. Some mammals may not be carnivores, so we cannot generalize that all cats are carnivores.
5.Identify the correct sentence:
- A. She don’t like coffee.
- B. She doesn’t like coffee.
- C. She not likes coffee.
- D. She not like coffee.
Answer: B. She doesn’t like coffee.
Explanation: The correct sentence uses the auxiliary verb “doesn’t” to indicate the negative form of the verb “like.”
6.Which blood vessel carries oxygenated blood from the lungs to the heart?
- A. Pulmonary artery
- B. Pulmonary vein
- C. Aorta
- D. Superior vena cava
Answer: B. Pulmonary vein
Explanation: The pulmonary vein carries oxygenated blood from the lungs to the left atrium of the heart.
7.What is the SI unit of electric current?
- A. Volt
- B. Ampere
- C. Ohm
- D. Watt
Answer: B. Ampere
Explanation: The ampere (symbol: A) is the SI unit of electric current.
8.Which gas is responsible for the greenhouse effect?
- A. Oxygen
- B. Nitrogen
- C. Carbon dioxide
- D. Helium
Answer: C. Carbon dioxide
Explanation: Carbon dioxide (CO2) is a greenhouse gas that contributes to global warming by trapping heat in the Earth’s atmosphere.
9.If all roses are flowers, and some flowers are red, can we conclude that all roses are red?
Answer: B. No
Explanation: The given information does not guarantee that all flowers are red, so we cannot make this conclusion about roses.
10.Choose the correct synonym for “abundant”:
- A. Scarce
- B. Limited
- C. Plentiful
- D. Scanty
Answer: C. Plentiful
Explanation: “Abundant” means plentiful or in large quantities.
