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
Radish is modified root and an example of
Napiform root
Fusiform root
Conical
Tuberous root
Floating roots are the characteristic feature of
Viscum
Cuscuta
Vanda
Jussiaea
Pneumatophores occur in
Submerged hydrophytes
Halophytes
Carnivorous plants
Free-floating hydrophytes
Water and minerals absorption from soil are the function of
Root hair
Root cap
Stilt root
Prop roots
(A) Fibrous root system is adventitious in origin
(R) All adventitious roots are fibrous
Both (A) and (B) are correct
Both (A) and (B) are incorrect
(A) is true but (R) is false
(A) is false but (R) is true
Clinging roots are found in
Orchids
Trapa
Podostemon
Screw Pine
Regions of root from the root tip to base are
Region of maturation Region of elongation Region of meristematic activity
Region of elongation Region of maturation Region of meristematic activity
Region of meristematic Region of elongation Region of maturation
Region of dividing Region of maturation Region of elongation
The root system growing near the base of the radical in monocots is
Haptera
Anchoring roots
Clinging roots
Seminal roots
Pneumatophores are specialized roots found in:
Desert plants
Aquatic plants
Mangrove plants
Parasitic plants
Legume plants are important for atmosphere because they
Help in - fixation
Do not help in -fixation
Increase soil fertility
All of the above
