Question

Stilt roots are found in some members of the family.
a. Caryophyllacea
b. Moraceae
c. Ranunculaceae
d. Poaceae

Answer 1

Hint: Poaceae family is the part where the stilt roots present in it. And also known by the name such as prop roots and Butters root. In all the directions of a shallow rooted tree still roots shows the widespread roots characteristics. They are not found as deep rooted and have poor nutrition’s present in it. The adventitious roots arise from the main stem of the lower part and grow towards the soul. Eg Pandanus.

Complete answer:
The water and nourishment to the rest of the plant conveying by the part of the plant that attaches it to the ground to the soil. Sometimes roots perform special functions as compared to the other parts of the plant and in such cases their structure and form differ from those normal roots. And the obtained modified roots may be aerial roots and underground. In the vegetative propagation certain modification to perform the function may undergo into the adventitious and taproots.

Root’s become swollen and different shapes because some plants the tap roots Store reserve food and have types napiform, fusiform, conical and tuberous or tubercular. Development of the aerial parts of the plant to perform various functions that’s aerial roots are a type of adventitious roots.
There are two types of aerial root modification
- For mechanical support
- For vital functions.

Hence, the correct answer is option (D).

Note: Stilt roots are present in the 16th largest family members of the flowering plants that includes 434 genera and 3,700 species. The main stems are basal nodes, attached firmly to the soil and found in the plants that grow near the pond, river. Stems basal nodes obtained above the aerial roots are adventitious from the stilt roots and attach to the firmy to the soil.