The arrangement of vascular bundles in a monocot stem is best described as:
Arranged in a ring
Scattered
Bicollateral
Amphicribral
Related Questions
Stems modified into flat green organs performing the functions of leaves are known as:
Cladodes
Phyllodes
Phylloclades
Scales
Which one of the following statements are true? I.If the stem is joined with solid nodes and hollow internodes, it is called caudex. II.In Tridax, the stem is decumbent. III.Corm is a condensed from of rhizome growing more or less in vertical direction. IV.Sucker is an underground modification of stem. V.Biparous type of cymose branching is seen in Saraca.
I and II only
II and III only
III and IV only
IV only
Which plant part modification helps protect Bougainvillea from herbivores?
Axillary buds modified into thorns
Leaves modified into spines
Stipules modified into tendrils
Stems modified into thorns
Underground stems of potato, ginger, turmeric, Zaminkand, Colocasia are the examples of modified stem for
Conduction of minerals
Conduction of water
Both (a) and (b)
Storage of food
Modified underground stem is called
Stolon
Offset
Sucker
Corm
In the following, succulent stem is found in
Saccharum
Musa
Euphorbia
Dryopteris
Which one of the following statements is not correct?
Water, hyacinth, growing in the standing water, drains oxygen from water that leads to the death of fishes.
Offspring produced by the asexual roductin are called clone.
Microscopic, motile asexual reproductive structures are called zoospares.
In potato, banana and ginger, the plantlets arise from the internodes present in the modified stem.
Which of the following is NOT a function of the stem in plants?
Support for leaves, flowers, and fruits
Transport of water and nutrients
Storage of food reserves
Absorption of water and minerals from the soil
Stems are
Positively phototropic
Negatively geotropic
Negatively hydrotropic
All of the above
Stem tendrils are developed from the….. which are slender and spirally coiled
Axillary bud or terminal bud
Leaves
Internodes
Roots
