Modification of stem for reproduction is found in.

Select the correct pair :

$I.$ Bear leaves and branches  $II.$ Conduction of water and minerals   $III.$ Storage of food

These are the functions of

Identify the correct set of statements :

$(a)$ The leaflets are modified into pointed hard thorns in Citrus and Bougainvillea

$(b)$ Axillary buds form slender and spirally coiled tendrils in cucumber and pumpkin

$(c)$ Stem is flattened and fleshy in Opuntia and modified to perform the function of leaves

$(d)$Rhizophora shows vertically upward growing roots that help to get oxygen for respiration

$(e)$ Subaerially growing stems in grasses and strawberry help in vegetative propagation

Choose the correct answer from the options given below:

Underground stems of potato, ginger; turmeric, Zaminkand, Colocasia are the examples of modified stem for

In aquatic plants like Pistia and Eichhornia, leaves and roots are found near $.........$