A mutant plant exhibits stunted root growth and reduced gravitropic response. Microscopic analysis reveals disorganized columella cells in the root cap. Which of the following is the MOST likely cause of this phenotype?
Increased production of cytokinin in the root tip
Disruption of amyloplast sedimentation and auxin redistribution
Overexpression of genes involved in cell elongation
Enhanced sensitivity to ethylene
Related Questions
Which one of the following conditions is seen in the roots of a plant having submerged assimilatory roots and spongy petioles?
Triarch
Monarch
Tetrarch
Diarch
The region of the root where cell division takes place is the:
Elongation zone
Maturation zone
Meristematic zone
Root cap
Tuberous roots are found in
Beta vulgaris
Daucus carota
Ipomoea batatas
Raphanus sativus
Striga Collects
Water and minerals from the host
Only food from the host
Water and food from the host
All the above
Vivipary is observed in
Banyan
Bryophyllum
Ipomoea
Rhizophora
Legume plants are important for atmosphere because they
Help in - fixation
Do not help in -fixation
Increase soil fertility
All of the above
Roots found in Taeniophyllum are
Tuberous
Photosynthetic Roots
Nodular
Pneumatophores
Water and minerals absorption from soil are the function of
Root hair
Root cap
Stilt root
Prop roots
Prop roots are the modification for
Support
Respiration
Storage food
Increasing mass
Smallest region of the root is
Region of Cell Division
Region of Elongation
Region of Maturation
Root Cap
