When and where does reduction division take place in the life cycle of a liverwort, a moss, a fern, a gymnosperm and an angiosperm?

Where does digestion take place in cockroach?

Where and how does tubular reabsorption take place?

Where does citric acid cycle take place ? Why ?

When does Mie scattering take place ? Write the causes.

Where do the following events in the life cycle of Plasmodium takes place ?

a. When and where does spermatogenesis in a human male begin to take place? b. With the help of schematic labelled diagrams, trace the development of mature spermatozoa in a human male? c. Describe the structure of a human sperm.

Meiosis cell division does not take place during the gametes formation of drone bee. Give reason.

Read the following statement (A-E) and answer the question which follows them (A) In Livewords, mosses, and ferns gametophytes are free - living . (B) Gymnosperms and some ferns are heterosporous. (C )Sexula reproduction in Fucus, Volvox and Albugo is oogamous. (D) THe sporophte in liverworts is more elaborate than that in mosses. (E) Both, Pinus and Marchantia are Dioecious. How many of the above statement are correct