A single cell of testis divides to produce:
Select one:
a. 4 sperms.
b. 6 sperms.
c. a single sperm.
d. 2 sperms.

Well a single cell of testies divides to produce 2 sperm

option a is correct i.e.

explanation:

in context to the membrane of nerve impulse, the outer membrane of neuron is semi permeable that is only sodium ions can pass through the membrane i.e. smaller ions can pass through the membrane while larger ions cannot pass through it.

x would be the most and the least would be y because there are more fruit   and seeds than flock z has insects