Quiz[ Dev Hooda ]

Total correct ✅ 1- ER is tiny tubular structure in cytoplasm. 2-Luminal (cytoplasmic) , extra luminal(inside Er) 3-RER- protein synthesis, secretion. 4-SER- lipid synthesis, drug detoxification💊

Total correct statement✅ 1-cell wall helps in cell to cell interaction. 2-algae cell wall- cellulose, galactans,fructose, mannans. 3-secondary wall is formed on inner side of cell. 4-plasmodesmata connects mitochondria of neighborhood cells.

Total correct statement✅ 1-Quasi fluid nature of protein enables lateral movement of lipid in bilayer. 2-Ability to move within membrane is fluidity. 3-fluid nature helps in cell growth, secretion, endocytosis. 4-singer nicolson gave fluid mosaic.

Ratio of protein and lipid in RBC

Electron Microscope discovered in

Total correct statement: 1-inclusion bodies r reserve food materials. 2-Not bound by any membrane and lie free in cytoplasm. 3-gas vacuoles r found in blue green and red and green bacteria.

The polysomic ribosomes translate the mrna into proteins.

Prokaryotic ribosomes are

How many statements are correct: 1- pili and fimbrae are surface structure. 2-pili and fimbrae help in motility of bacteria. 3-fimbrae fibres sprouting out of the cell. 4-Attach bacteria in streams and rocks .

Bacterial flagellum consist of

Cyano bacteria has membranous structure that contain pigments called

The extensions of mesosomes include

Correct statements about glycocalyx: 1-Differ in composition and thickness 2- Glycocalyx loose sheath is - Capsule 3-Glycocalyx as tough and thick - slime layer 4- glycocalyx is outermost part of cell envelope

Bacteria can be classified into two groups on basis of

Cell envelope structure from outside to inside

Unique inclusion body in eukaryotes

Total correct statement about Prokaryotes: 1-Genomic DNA, circular DNA, 2-smaller genomic DNA - plasmids 3-plasmids give unique genotypic characteristics to bacteria 4-plasmid DNA monitors bacterial transformation within foreign DNA.

All prokaryotes have a cell wall surrounding cell membrane except mycoplasma