What are culm, scape and caudex.

What are purin and pirimidine bases? What is nucleoside? What are telomere and satellite?

What are hcp and ccp structures? What are their unit cells? In what ways are these structures similar?

Culm is found in

What is an enzyme ? What are enzymes called biochemical catalysts ?

What are fillers and what role these fillers play in soap?

Stem is culm in

Which of the following statements is/are true (A) It the stem is jointed with solid nodes and hollow internodes, it is called caudex (B) In Tridax the stem is decumbent (C) Corn is a condensed form of rhizome growing more or less in vertical direction (D) Sucker is an underground modification of stem (E) Biparous type of cymose branching is seem in Saraca.

What is development ? What are direct and indirect developments ?

What is micropropagation ? What are the characteristics and advantages of micropropagation ?

What is cell divison? What are the signification of cell division?