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)...........
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Solution
The correct option is A (a) cell wall (b) cell membrane (c) protoplasm (d) cell organelles (e) nucleus (f) chromosomes The cell wall is a protective outermost layer, which is present surrounding the cell membrane in a plant cell.
The cell membrane is also known as plasma membrane. It is present below the cell wall. Cytoplasm is a gel-like substance present between the nuclear membrane and plasma membrane. The fluid filled in the nucleus is known as nucleoplasm. Cytoplasm along with the nucleoplasm is known as protoplasm.
Cell organelles have membranous covering in a eukaryotic cell. It lies freely in the cytoplasm. The nucleus of the cell contains a majority of the cell's genetic material, i.e., chromosomes, which thread like in appearance.
Chromosomes carry the hereditary material from one generation to the other.