Correct Answer - Option 1 : To provide humus
Concept:
- Plants have different types of roots.
- Some store food, some breathe some hang from the branches.
Explanation:
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Roots are the underground structures that help in the absorption of water and minerals provide a proper anchorage to the plant parts, storage of reserve food material (Carrot, Radish), and synthesis of PGR (plant growth regulators).
- Sometimes roots get modified to perform different functions like storage of food, respiration, climbing, etc.
- These types of roots are called modified roots.
- Examples - prop root of the Banyan tree for providing support, Pneumatophores of Rhizophora, and Mangrove plants for respiration.
So, these statements are correct.
- To give support to the plant.
- To store food.
- To absorb water and minerals.
Thus, roots do not function to provide humus.