The symbiotic relationship between nitrogen-fixing bacteria and leguminous plants involves complex signaling and structural modifications in the root. Which of the following accurately describes the role of NOD factors in this interaction?
Plant hormones that promote bacterial growth within root nodules
Bacterial signals that trigger root hair curling and cortical cell division
Enzymes produced by the plant to break down bacterial cell walls
Proteins that transport nitrogen from bacteria to plant cells
Related Questions
Which zone of the root is responsible for the development of root hairs, essential for water and nutrient absorption?
Maturation zone
Elongation zone
Meristematic zone
Root cap
Which of the following is NOT a function of root hairs?
Absorption of water
Absorption of minerals
Anchoring the plant
Photosynthesis
In which of the following plants do roots play an insignificant role in water absorption?
Water lily
Rose
Mango
Wheat
Which statement is FALSE regarding the role of roots in water absorption?
Root hairs increase the surface area for water absorption.
Water moves into root hairs by osmosis.
The Casparian strip regulates water entry into the vascular cylinder.
Root hairs are modified xylem cells.
Roots are least crucial for water absorption in:
Pistia
Banyan
Sunflower
Cactus
Water and minerals absorption from soil are the function of
Root hair
Root cap
Stilt root
Prop roots
The main function of the root system is:
Food storage only
Anchorage and absorption
Reproduction only
Photosynthesis
Striga Collects
Water and minerals from the host
Only food from the host
Water and food from the host
All the above
Which part of the root is responsible for the absorption of water and minerals from the soil?
Root cap
Root hairs
Meristematic zone
Zone of elongation
Which adaptation minimizes the role of roots in water absorption for a particular plant group?
Specialized structures on leaves and stems for water absorption
Extensive root systems
Deep root penetration
Symbiotic relationships with fungi
