Hertwig coined the term 'cytology'.

Resolving power of human eye is 100 micron.

 Leeuwenhoek discovered the first living cell that is bacteria.

Most active site for RNA synthesis (70-90%) is nucleolus.

Mature RBC of mammal and seive tube of phloem lacks nucleus. Both options are correct

Cell wall of bacteria is composed of peptidoglycans. Peptidoglycans is a complex of proteins and carbohydrates.

Nucleolus was first discovered by Fontana.

Sodium chloride is toxic to plant cell. This is the correct option.

Cell wall material is secreted by golgi bodies like the glycoproteins and glycolipids.

 Intussusception occurs in young cell.

Composition and structure of  cell membrane is lipoproteinaceous and trilaminar. Trilaminar means that it is made of two layers of lipids and one of proteins.

 Haeckel coined the term Plastid.

Quantasomes was reported by Park and Biggins.

Mitochondria in animal cell was dicovered by Kolliker.

 Ribosome is also called palade particle.

Mitochondrial DNA  was reported by Nass and Nass.

The ribosome is attached with endoplasmic reticulum by larger subunit  which is 60S through ribophorin protein.

H1 is least conserved during evolution.  

 Centrosome develops spindle apparatus during cell division in animal cell. Centrosome forms basal granule. It forms blepharoplast.

 Ergosome is polymer of Ribosome.

 Shapes of chromosome can be best studied at anaphase.

 Smooth Endoplasmic reticulum is associated with lipid synthesis.    

  Kornberg and Thomus proposed nucleosome model.    

 Microtubule was discovered by Roberteis and Franchie.