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
Identify the INCORRECT statement regarding sweet potato.
They are a dicot.
They are a root vegetable.
They are a good source of Vitamin A.
They are a monocot.
Sweet potato is a modified:
Adventitious root
Stem
Leaf
Flower
Clinging roots are found in
Orchids
Trapa
Podostemon
Screw Pine
Sweet potato is a modified
Rhizome
Stem
Tap root
Adventitious root
In which plant, the pneumatophores are found?
Tinospora
Pinus
Rhizophora
None of these
The aerial, short and branched roots of an autotrophic plant that provide stability, are known as
Prop roots
Tap roots
Fibrous roots
Adventitious roots
Which of the following has epiphytic features and aerial and flattened photosynthetic roots, without formal organization of stem and leaves?
Tinospora
Trapa
Taeniophyllum
Vanda
Which of the following is a correct statement?
Orchid has palmate fleshy roots
Pandanus has stilt roots
Sweet potato has root tubers
All of the above
Roots that develop from parts of the plant other than the radicle are termed:
Adventitious
Tap roots
Fibrous roots
Primary roots
Which of the following is a root modification for storage seen in sweet potato?
Adventitious root
Rhizome
Tuber
Bulb