Paper 2 · Specialised cells and photosynthesis
Which of the following is a way red blood cells are specialised for their function?
AThey have no nucleus, leaving more space to carry haemoglobin
BThey have a large permanent vacuole to store food
CThey contain numerous mitochondria to produce energy for swimming
DThey have a thick muscular wall to withstand high pressure
Explanation: Red blood cells lack a nucleus, leaving more space for haemoglobin.
Derived from ZIMSEC Biology 4025/2 Paper 2 Theory, November 2018, Q1

