MDCAT BIOLOGY MCQS 2024
1-20: Basics of Biology
- What is the study of life called?
- A) Physics
- B) Biology
- C) Chemistry
- D) Astronomy
Answer: B
- The basic unit of life is:
- A) Atom
- B) Cell
- C) Tissue
- D) Organ
Answer: B
- Which of the following is a prokaryote?
- A) Fungi
- B) Bacteria
- C) Algae
- D) Protozoa
Answer: B
- Photosynthesis occurs in:
- A) Mitochondria
- B) Chloroplast
- C) Ribosome
- D) Nucleus
Answer: B
- The powerhouse of the cell is:
- A) Ribosome
- B) Mitochondria
- C) Chloroplast
- D) Lysosome
Answer: B
- Which part of the plant is responsible for water transport?
- A) Xylem
- B) Phloem
- C) Stomata
- D) Roots
Answer: A
- Which biomolecule is the primary source of energy?
- A) Lipids
- B) Proteins
- C) Carbohydrates
- D) Nucleic acids
Answer: C
- DNA is stored in which part of the cell?
- A) Cytoplasm
- B) Nucleus
- C) Ribosome
- D) Golgi apparatus
Answer: B
- Hemoglobin is a type of:
- A) Carbohydrate
- B) Protein
- C) Lipid
- D) Vitamin
Answer: B
- The pH of human blood is around:
- A) 4.5
- B) 6.4
- C) 7.4
- D) 8.5
Answer: C
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