Biological Classification And System Of Classification Question 19
Question: Which is absent in Nostoc
Options:
A) Sex organs
B) Motile cells
C) Both (a) and (b)
D) None of these
Show Answer
Answer:
Correct Answer: C
Solution:
Nostoc is a genus of blue-green algae or cyanobacteria. They are prokaryotic and perform photosynthesis.
Option A: Sex organs - Nostoc does not have sex organs. They reproduce vegetatively or asexually by spore formation. The vegetative reproduction is by fragmentation1.
Option B: Motile cells - Nostoc cells do not possess flagella. They are not motile.
Therefore, both options A and B are absent in Nostoc. Hence, the correct answer is C) Both (a) and (b).
BETA
