Fill in the blanks with the terms given below.
Nucleus, chromosomes, cell wall, cell membrane, protoplasm, cytoplasm, ribosome, cell organelles.
The outermost layer of plant cells is the (a) ............ beneath which is the (b) ...........
The term (c) ............ refers to the jelly-like substance containing all the (d) ...........
The (e) ........... contains thread-like structures called as (f)...........