Function of companion cells is :

Consider the following four statements whether they are correct or wrong.
A.   The sporophyte in liverworts is more eleborate than that in mosses.
B.    Salvinia is heterosporous.
C.   The life-cycle in all seed-bearing plants is diplontic.
D.   In Pinus male and female cones are borne on different trees.

The two wrong statements together are

Biodiversity of a geographical region represents :

Consider the following statements (A)-(D) each with one or two blanks :
(A) Bears go into _____ (1) ____ during winter to _____(2)____ cold weather.
(B) A conical age pyramid with a broad base represents ____(3)_____ human population.
(C) A wasp pollinating a fig flower is an example of _____ (4) _____ .
(D) An area with high levels of species richness is known as ____(5)_____.
Which of the following options, gives the correct fill ups for the respective blank numbers from (1) to (5) in the statements ?