Question

Which of the following trees/plants can be planted on roadside to provide shade? 
• [A.] Tamarindus Indica 
• [B.] Cassia Fistula 
• [C.] Ixora Singaporensis 
• [D.] Azadirachta Indica 
• [E.] Polyathia Longifolia Choose the correct answer from the options given below:

• A. A, B and D only
• B. B, C and D only
• C. A, D and E only
• D. D and E only

Hint:

Roadside shade trees usually have:
• Broad canopy
• Dense foliage
• Long lifespan Examples:
• Neem (Azadirachta indica)
• Tamarind (Tamarindus indica)
• Gulmohar and Cassia species

Answer 1

The Correct Option is A

Concept: Roadside plantation is an important component of landscape planning and urban forestry. Shade-providing roadside trees generally possess:
• Broad canopy,
• Dense foliage,
• Good branching structure,
• Resistance to pollution and harsh climatic conditions. Such trees improve thermal comfort and enhance the roadside environment.

Step 1: Analyze each plant/tree mentioned in the question.
• A. Tamarindus Indica -- Tamarind tree with a wide canopy suitable for roadside shade. \checkmark
• B. Cassia Fistula -- Commonly planted avenue tree providing moderate shade and ornamental value. \checkmark
• C. Ixora Singaporensis -- Mainly a shrub used for hedges and ornamental landscaping, not suitable as a shade tree.
• D. Azadirachta Indica -- Neem tree, widely used as an avenue tree for dense shade. \checkmark
• E. Polyathia Longifolia -- Tall, narrow ornamental tree mainly used as a screening tree rather than for broad shade.

Step 2: Identify the correct combination.
The trees suitable for roadside shade are: \[ A,\; B,\; \text{and}\; D \] Therefore, the correct answer is: \[ {A,\; B\; \text{and}\; D\; \text{only}} \]