Question

Identify the most mistaken (wrong) choice:

Select one:

a.

The idea of spontaneous generation is now rejected.

b. Eukaryotes may have cilia.

c. Prokaryotes may have cilia.

d. Methanogens can produce methane.

Answer 1

Answer :- a)The idea of spontaneous generation is now rejected.

Explaination:-

a) According to theory of spontaneous generation by Aristotle. it states that life can generate from non living matter.This theory was rejected by Louis Pasteur in mid 19th century. The theory of spontaneous generation was first challenged by Francesco Redi in 1668.so the theory was rejected long time ago.

b)In eukaryotes, motile cilia and flagella both make up a group of organelles called undulipodia. Eukaryotic cilia are identical to eukaryotic flagella structurally.

c)Prokaryotes have flagella sometimes, but they are structurally different from eukaryotic flagella.

d)Methanogens are microorganisms that produce methane in hypoxic condition as a metabolic byproduct.