Cell Structure and Function MCQ Quiz: GKFix - Bridge of Knowledge - Page 230

Question 1146

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What happens to the primary wall as a plant cell matures?

It dissolves completely
It becomes part of the nucleus
It transforms into the middle lamella
A secondary wall forms inside it

Question 1147

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What is the main polysaccharide in plant cell walls?

Chitin
Starch
Glycogen
Cellulose

Question 1148

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What makes up the algal cell wall besides cellulose?

Chitin and protein
Lignin and pectin
Phospholipids and glycoproteins
Galactans, mannans, and calcium carbonate

Question 1149

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What structures allow direct communication between plant cells?

Cell membrane
Mitochondrial pores
Ribosomal channels
Plasmodesmata

Question 1150

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What component of the cell wall holds adjacent plant cells together?

Primary wall
Secondary wall
Plasmodesmata
Middle lamella