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
Respiratory roots are found in
Rhizopus
Orchids
Vallisneria
Mangrove plants
Stilt roots are present in
Maize
Sugarcane
Banyan
Rhizophora
The Orobanche plant is
Partial stem parasite
Total root parasite
Symbiont
Total stem parasite
Floating roots are the characteristic feature of
Viscum
Cuscuta
Vanda
Jussiaea
Mangrove plants are known for their unique adaptations. Which of the following features helps them thrive in intertidal zones?
Pneumatophores only
Vivipary only
Both pneumatophores and vivipary
Neither pneumatophores nor vivipary
Sweet potato is a modified
Rhizome
Stem
Tap root
Adventitious root
Which type of root develops from the stem base of plants like the banyan tree, providing additional support?
Adventitious roots
Tap roots
Fibrous roots
Storage roots
Viscum is a
Total root parasite
Total stem parasite
Partial root parasite
Partial stem parasite
Root hairs develop from the region of
Meristematic activity
Maturation
Elongation
Root cap
In which of the following plants do roots play an insignificant role in water absorption?
Water lily
Rose
Mango
Wheat
