Multiple Choice QuestionsThe plant Cuscuta shows maximum photosynthesis in
red light
blue light
green light
no photosynthesis at all
Top-shaped multiciliate male gametes and the mature seed which bears only one embryo with two cotyledons, are characteristic features of
polypetalous angiosperms
gamopetalous angiosperms
conifers
cycads
Which one of the following pairs is mismatched?
Savanna - Acacia trees
Prairie - Epiphytes
Tundra - Permafrost
Coniferous forest - Evergreen trees
Though Cycas has 2 cotyledons, this is not included in dicot because
naked ovule
they have megaspore
appears as palm tree
has compound leaves
The modified stem of Opuntia is
phyllode
phylloclade
cladode
stamroinode
B.
phylloclade
When the stem is flattened and function as leaf, it is called phylloclade or cladophyll.
Phyllode is a flattened petiole or leaf rachis that resembles and functions as a leaf and may or may not be combined with an actual lamina.
Cladode is a flattened origin arising from the stem of a plant.
Staminode is a sterile or abortive stamen, frequently resembling a stamen without its anther.
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