Under which environmental condition would bulliform cells be most likely to cause a grass leaf to roll inwards?
High humidity
Low light intensity
Cold temperatures
Hot, dry conditions
Related Questions
Amphistomatic leaf is
Dicotyledonous leaf
Monocotyledonous leaf
Both (a) and (b)
None of these
I. Sunflower seed
II. A wheat leaf
III. Pea plant
IV. Leaf blade of grass
Bulliform cells are present in which of the above plants?
I and II
II and III
III and IV
II and IV
In a typical monocot leaf, the stomata are:
Present only on the upper surface
Present only on the lower surface
Present on both surfaces
Absent
Grass leaves curl inwards during very dry weather. Select the most appropriate reason from the following
Closure of stomata
Flaccidity of bulliform cells
Shrinkage of air spaces in spongy mesophyll
Tyloses in vessels
Palisade parenchyma is present in leaves of?
Wheat
Sugarcane
Peas
Sorghum
Unlike dicot stomata which are kidney-shaped, grass stomata are:
Dumbbell-shaped
Circular
Irregular
Square
Desert grasses often roll their leaves due to presence of
Oily surface
Bulliform cells
Spines
None of these
Amphistomatic leaf is
Dicotyledonous leaf
Monocotyledonous leaf
Both (a) and (b)
None of these
When the conditions are dry, a grass leaf curls inward to minimize water loss due to the pressure of
Thick cuticle
Large xylem cavities
Parallel venation
Bulliform cells
During periods of extreme dryness, the leaves of grasses often curl inwards. What is the primary reason for this adaptation?
To increase sunlight absorption
To protect against herbivores
To trap more carbon dioxide
To minimize water loss through transpiration
