AIPMT 2011 Mains Mock Test

Which one of the following is not an essential mineral element for plants?

Consider the following four statements. Which two statements are wrong?$(A)$ The sporophyte in liverworts is more elaborate than that in mosses.$(B)$ $\text{Salvinia}$ is heterosporous.$(C)$ The life-cycle in all seed bearing plants is diplontic.$(D)$ In $\text{Pinus}$ male and female cones are borne on different trees.

Consider the following four statements about $\text{Rana tigrina}$ (Frog) and select the correct option stating which ones are true $(T)$ and which ones are false $(F)$:$(A)$ On dry land it would die due to lack of ${\text{O}}_2$ if its mouth is forcibly kept closed for a few days.$(B)$ It has four chambered heart.$(C)$ On dry land it turns uricotelic from ureotelic.$(D)$ Its life history is carried out in pond water.

Which of the following animals share a common characteristic?$(a)$ $\text{Hydra}$, $(b)$ $\text{Fasciola}$, $(c)$ $\text{Pheretima}$, $(d)$ $\text{Asterias}$

In angiosperms, functional megaspore develops into: