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
Clinging roots are found in
Orchids
Trapa
Podostemon
Screw Pine
What is the primary function of the root cap?
Absorbing water
Anchoring the plant
Storing food
Protecting the root apical meristem
Which region of the root is responsible for the increase in root length?
Root cap
Root hair zone
Zone of elongation
Zone of maturation
The smallest Angiospermic flower is
Wolffia
Ranunculus
Rafflesia
Stellaria
Velamen tissue is found in
Mesophytes
Epiphytes
Hydrophytes
Xerophytes
In a dicot root, the central vascular cylinder is surrounded by:
Endodermis
Pericycle
Cortex
Epidermis
At root tip, number of divisions to produce 100 cells, is
6
7
9
100
Clinging roots are found in
Orchids
Trapa
Podostemon
Screw Pine
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
