Q. Given figure is of filamentous blue green alga Nostoc. Identify die parts marked as A and B and select the correct option.
image
A B
(a) Heterocyst Mucilaginous sheath
(b) Vegetative cell Mucilaginous sheath
(c) Trichomes Cell wall
(d) Mucilaginous sheath Heterocyst

 2050  192 Biological Classification Report Error

Solution:

Correct answer is (a) a