question_answer 19)

  Macrophages and leucocytes exhibit (a) ciliary movement     (b) flagellar movement   (c) amoeboid movement    (d) gliding movement

Answer:

   (c) Some specialised cells in blood like macrophages and leucocytes exhibit amoeboid movement. They have the ability to reach the interstitial fluid by squeezing through the thin walls of blood vessels, while ciliary movement flageller movement or gliding movement are not shown by macropriages and leucocytes.