The Fundamental Unit of Life-CELL

Besides cellulose microfibrils, the other two cell wall networks are___________

• Protein and hemicellulose

• Hemicellulose and protein

• Pectin and glycoprotein

• Pectin and hemicellulose

Where are the essential proteins and lipids required for cell membrane, manufactured?

• Lysosome

• Chromosomes

• Mitochondria

• Endoplasmic reticulum

Hydrophilic chemical of cell wall is __________

• Pectin

• Suberin

• Fat

• Lignin

Structural element of cell wall is ___________

• Matrix

• Microfibrils

• Microtubules

• Arabinogalactans

Different layers of cell wall are_____________

• Middle lamella and primary wall

• Middle lamella, Primary wall and secondary wall

• Primary wall and secondary wall

• Wall layers exclude middle lamella

Ripe fruits soften due to ________

• Degeneration of cell walls

• Partial solubilisation of pectic compounds

• Metabolism of tannins

• Exosmosis

The glycocalyx is_____________

• Glycoproteins and glycolipids

• Oligosaccharide part of glycolipids and glycoproteins

• Lipid and protein parts of glycolipids

• Mucopolysaccharides attached to cell wall

Which of the following organelles lack membranes ?

• Ribosome

• Lysosome

• Golgi body

• Nucleus

Which of the following is correct for prokaryotic ribosome ?

• It dissociates into 50S and 30S

• It dissociates into 40S and 40S

• It dissociates into 60S and 20S

• It dissociates into 70S and 30S

Golgi apparatus takes part in synthesis of _______

• Glycolipids

• Glycoproteins

• Hormones

• All the above