Question

What is the best evidence telling you whether this cell is diploid or haploid? what is the best evidence telling you whether this cell is diploid or haploid? the cell is diploid because it contains two sets of chromosomes. the cell is haploid because the chromosomes are not found in pairs. the cell is diploid because each chromosome consists of two chromatids?

Answer 1

The answer would be: The cell is diploid because it contains two sets of chromosomes

The only way to diagnosis haploid cells would be by exclusion. To do that you need to examine all the chromosome and make sure that they are no coupled chromosomes.
But you can diagnosis diploid right away if you can find two sets of any chromosomes.