Did Cleopatra have ethnicity closer to Egyptians than Greeks?
Cleopatra was the last ruler of the Kingdom of Egypt. Cleopatra was the descendant of Ptolemy I Soter, a Greek general from Macedonia. Cleopatra's father, Ptolemy XII Auletes, was most likely descended from an Alexandrian Greek mother. Cleopatra is believed to be mostly Greek with some Persian and Syrian ancestry as well.
The answer is no.

Are cucumbers often found in desert?
Cucumbers are a kind of vegetable. With the exception of carrot cake, deserts are not typically made with vegetables. Cucumbers are not the vegetable used in carrot cake.
The answer is no.

Is Edgar Allan Poe obscure in the world of horror fiction?
Edgar Allan Poe's writing has endured for over 150 years. Edgar Allan Poe's horror writing has been included in classroom curriculum for decades.
The answer is no.

Would a geographer use biochemistry in their work?
A geographer is a scientist whose area of study is geography, the study of Earth's natural environment and human society. Biochemistry is the study of chemical processes within and relating to living organisms.
The answer is no.