Q. Consider the following diferences between RBCs and WBCs in human body:
  1. RBCs are smaller in size but larger in number compared to WBCs
  2. While RBCs do not have nucleus, WBCs have nucleus
Which of the above statements is/are correct?

Answer: Both 1 and 2
Notes:
  1. RBCs are smaller in size but larger in number compared to WBCs: This statement is correct. Red blood cells (RBCs) are smaller in size compared to white blood cells (WBCs). Additionally, RBCs greatly outnumber WBCs in the blood.
  2. While RBCs do not have a nucleus, WBCs have a nucleus: This statement is also correct. Red blood cells (RBCs) are unique among blood cells in that they lack a nucleus when they mature. In contrast, white blood cells (WBCs) do have a nucleus, which allows them to perform various functions related to the immune system.