Explain the importance of the following structures in plants:
$(i)$ Root nodules (Rhizobium association)
$(ii)$ Stipular tendrils

Read the following statements and choose the set of correct statements:-
$(A)$ In some plants like $Monstera$,roots arise from parts of the plant other than the radicle.
$(B)$ The main functions of the root system are absorption of water and minerals from the soil and providing a proper anchorage to the plant parts.
$(C)$ Leaves originate from shoot apical meristem and are arranged in an acropetal order.
$(D)$ In $Alstonia$,a single leaf arises at each node of stem.
$(E)$ The flowers are hypogynous in cucumber.
Choose the correct option from the options given below:-

Twisted aestivation is found in $......$.

The series of Gamopetalae containing $4$ cohorts and many orders is:

Stem thorns,leaf spines,and prickles are examples of ........

Choose the correct option from the following:
$(i)$ Stilt roots are found in $Pothos$ / $Maize$.
$(ii)$ Alternate phyllotaxy is found in $China$ $rose$ / $Nerium$.