A. Prokaryotes lack a well-defined nucleus.
Ans: True (T) (0.5 marks)
B. Muscle cells are branched.
Ans: False (F) (0.5 marks)
C. The basic living unit of an organism is an organ.
Ans: False (F) (0.5 marks)
D. Amoeba has irregular shape.
Ans: True (T) (0.5 marks)