Neutrophil granulocytes

Correct Answer: A

Rationale: Neutrophils are the most abundant WBCs (~60-70%), contain enzymes for phagocytosis, and have a short lifespan (~1-2 days).

Correct Answer: D

Rationale: Anaemia reduces O2 delivery, limiting exercise capacity; cardiac output rises, 2:3-DPG increases.

Correct Answer: A

Rationale: Bone marrow suppression (e.g., chemotherapy) reduces neutrophils, increasing infection risk.

Correct Answer: C

Rationale: Apical and intercalary meristems are not permanent tissues but are meristematic tissues.

Correct Answer: B

Rationale: Bone is strong and non-flexible connective tissue which forms the framework to support the body. The inorganic salts in the matrix are phosphates and carbonates of calcium and magnesium e.g., calcium phosphate.