In tamarind, the pinnate leaf is
  • bipinnate
  • tripinnate
  • paripinnate
  • imparipinnate
Artabotrys is a hook climber in which the hooks are modified
  • inflorescence axis
  • petiole
  • roots
  • stipules
Exceptional roots of Cuscuta are
  • haustorial
  • coralloid
  • mucorhizal
  • all of the above
The petiole is swollen and spongy in
  • Nepenthes
  • Trapa
  • Clematis
  • all of the above
Which one of the following plants dose not have root – pockets
  • Pistia
  • Lemna
  • Ficus
  • Eichhornia
In Lathyrus, the leaves are modified into
  • thorns
  • cladodes
  • tendrils
  • spines
Potato tuber is an underground stem because
  • it lacks chlorophyll
  • it is swollen
  • it possesses axillary buds
  • it stores starch as reserve food material
Floating roots are characteristic of
  • Tinospora
  • Jussiaea
  • Viscum
  • Vanda
Thors and spines are
  • homologous organs
  • analogous organs
  • thron is homologous while spine is analogous
  • spine is homologous while is analogous
In which of the following plants stems do not store the food material
  • potato
  • ginger
  • onion
  • colocasia
In banana, the stem is
  • underground only
  • both underground and aerial
  • absent
  • aerial only
Srem modified to perform the function of a leaf and having many internodes is called as
  • phylloclade
  • cladode
  • offset
  • phyllode
Certain plants called as runners can be easily propagated. This is due to the fact
  • they are numerous in numbers
  • they store the ready food
  • they lie horizontally on the soil
  • they can produce adventitious roots quite readily at the nodes
The coloured part of a Bougainuillea flower is the
  • corolla
  • calyx
  • bracts
  • androecium
The axillary buds arise
  • endogenously from the pericycle
  • exogenously from the tissues of the shoot apex
  • endogenously from the cambium tissues
  • exogenously from the innermost layers of cortex
The arrangement of sepals or petals in floral bud is called
  • Placentation
  • Aestivation
  • Bracteate
  • Phyllotaxy
The term phyllotaxy is used to describe the
  • type of ovary in a plant
  • mode of arrangement of leaves
  • type of roots
  • arrangement of sepals and petals
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