Empty glumes are
Petals
Bracts
Anthers
Carpels
Related Questions
The bulliform cells in the leaves of certain grasses play a crucial role in:
Increasing the photosynthetic surface area.
Secreting resinous substances for protection.
Leaf rolling and unfolding in response to water availability.
Storing water for use during drought.
Uniparous, biparous and multiparous systems of branching are found respectively in
Mirabilis, Datura and vine
Saraca, Mirabilis and Euphorbia
Vine, Polyalthia and Saraca
Casuarina, Saraca and Croton
A modification of leaf is
Tendrils
Roots
Stems
Flowers
A compound leaf, which appears as simple leaf due to the suppression of one or two leaflets is found in one of the following plants
Hardwickia
Parkinsonia
Coriandrum
Citrus
Which specific adaptation in the leaves of submerged hydrophytes contributes MOST significantly to their buoyancy and flexibility in water currents?
Highly dissected leaves
Absence of stomata
Presence of extensive aerenchyma
Thin cuticle
Which tissue layer is responsible for the transport of organic materials synthesized in the leaf?
Xylem
Phloem
Palisade parenchyma
Spongy parenchyma
Arrange the following plants in the ascending order based on the number of leaflets in a leaf. I. Hardwickia II. Gynandropsis III. Marselia IV. Citrus
I, II, III, IV
IV, I, III, II
II, III, IV, I
III, IV, I, II
Leaf base expands into sheath covering the stem partially or wholly. This is the characteristic of
Dicot
Monocot
Pteridophytes
Gymnosperm
Which of the following is a rootless aquatic plant in which a portion of the leaf forms a tiny sac for trapping insects?
Nepenthes
Drosera
Utricularia
Dionaea
Which pair of the following plants represents the condition of modification of stipules into spines?
Euphorbia and Ziziphus
Citrus and Euphorbia
Ziziphus and Bougainvillea
Bougainvillea and Citrus
