Give reason for the following:

Venus fly trap shows heterotrophic mode of nutrition.

Represent the union of two sets by Venn diagram for each of the following.

$X=\{x | x$ is a prime number between $80$ and $100\}$

$Y=\{y | y$ is an odd number between $90$ and $100\}$

In kingdom Plantae, alternation of generation is not associated with

Which of the following features correctly belong to the concerned plant group?

(a) Presence of heterospory also.

(b) Sporophyte is not independent, but it is attached to photosynthetic gametophyte.

(c) Endosperm is haploid and develops before fertilization.