#Question id: 12714
#Unit 6. System Physiology – Plant
COLUMN I (environmental factor ) |
COLUMN II (primary effects) |
COLUMN III
(secondary
effects) |
A)
Water deficit |
i)
Hypoxia, Anoxia |
a)
Membrane dysfunction |
B)
High temperature |
ii)
ROS production |
b)
Reduced cellular and
metabolic activities, Leaf abscission, Ion cytotoxicity and Cavitation |
C)
Trace element
toxicity |
iii)
Photo inhibition |
c)
Reduced
respiration, Fermentative metabolism, Inadequate ATP production , ROS production and Stomatal closure |
D)
Flooding and soil
compaction |
iv)
Membrane
destabilization |
d)
Inhibition of PSII
repair |
E)
Chilling |
v)
Cell dehydration and
Hydraulic resistance |
e)
Disruption of
metabolism |
F)
High light intensity |
|
f)
Photosynthetic and
respiratory inhibition, ROS production |
#Question id: 23539
#General Aptitude
#Question id: 7306
#Unit 5. Developmental Biology
A plant scientist was hired by a greenhouse operator to devise a way to force iris plants to bloom in the short days of winter. Iris normally blooms as a long-day (short-night) plant. Which of the following has the best chance of creating iris blooms in winter?
#Question id: 3853
#Unit 3. Fundamental Processes
In E. coli, promoter sequences are located at which of the following position(s) on the template strand?
#Question id: 24159
#General Aptitude