Question

C
A group of students found two
cockroaches in the classroom. They had
a debate whether they are alive or dead.
Which life property will help them to do
SO?
a. Metabolism
b. Growth
c. Irritability
d. Reproduction​

Answer 1

all the above is a prove that the cockroach is alive but to judge that the cockroach is alive or dead in a small period of time we need to see the reaction:

c.irritability