In a monocot leaf, the bulliform cells are primarily responsible for which of the following adaptations?
Increasing the surface area for photosynthesis
Providing structural support to the leaf blade
Storing water for use during drought conditions
Rolling of the leaf during water stress
Related Questions
ย ย ย ย When the conditions are dry, a grass leaf curls inward to minimize water loss due to the pressure of
ย ย ย ย Thick cuticle
Large xylem cavities
Parallel venation
Bulliform cells
Abaxial surface of the leaf generally bears
Less stomata than adaxial epidermis
More stomata than adaxial epidermis
Equal stomata than adaxial epidermis
Hairs to absorb the minerals
In grasses, certain adaxial epidermal cells along the veins modify themselves into large empty, colourless cells called
Bulliform cells
Companion cells
Guard cells
Subsidiary cells
The unique dumbbell shape of stomata in grasses aids in:
Efficient gas exchange and water regulation
Preventing insect herbivory
Increasing light absorption
Supporting the leaf structure
The arrangement of mesophyll tissue in a monocot leaf is:
Palisade and spongy
Undifferentiated
Columnar
Circular
Bulliform cells found in
Seeds of sunflower
Leaf of wheat
Pod of pea
Tuber of potato
In certain monocot species adapted to arid environments, the presence of a thick cuticle and sunken stomata are crucial adaptations. Relate these features to the overall function of the monocot leaf in such environments.
They enhance light absorption for increased photosynthetic rates.
They provide structural support to withstand strong winds.
They minimize water loss while maintaining essential gas exchange for photosynthesis.
They store excess water for use during periods of drought.
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
What is the shape of stomata in grass leaves?
Dumbbell-shaped
Kidney-shaped
Oval-shaped
Circular
Bulliform cells in grasses are primarily responsible for:
Rolling and unrolling of leaves
Nutrient transport
Photosynthesis
Support and rigidity