Question

Agar is a growth medium without nutrients; starch agar is agar with starch added to it. Seed coats were removed from seeds and the seeds were used to set up the following conditions. Which plant embryo was unable to grow? *

Answer 1

Answer:

The embryo without starch OR cotyledon

Explanation:

Starch agar can be described or explained as  a differential medium that tests the ability of an organism to produce certain exoenzymes, including a-amylase and oligo-1,6-glucosidase, that hydrolyze starch.

It should be understood that,  the inclusion or addition of starch makes it a rich medium for those bacteria possessing the enzyme alpha-amylase, which breaks starch down to its component glucose molecules.

Therefore, in this case, any plant embryo that does not contain starch will be unable to grow.