CBSE
Multiple Choice QuestionsThe modified stem of Opuntia is
phyllode
phylloclade
cladode
stamroinode
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
Though Cycas has 2 cotyledons, this is not included in dicot because
naked ovule
they have megaspore
appears as palm tree
has compound leaves
Plants growing on sand and gravel are called
eremophytes
psammophytes
psilophytes
oxylophytes
Tea and coffee are affected by
Phytophthora
Cephaleuros
Herviella
Albugo candida
The protein rich alga is
Ulothrix
Spirogyra
Nostoc
Chlorella
Mannitol is reserve food in
Rhodophyceae
Chlorophyceae
Phaeophyceae
Xanthophyceae
Which one of the following pairs is mismatched?
Savanna - Acacia trees
Prairie - Epiphytes
Tundra - Permafrost
Coniferous forest - Evergreen trees
The plant Cuscuta shows maximum photosynthesis in
red light
blue light
green light
no photosynthesis at all
The amphibians of plant kingdom are
algae
bryophytes
thallophytes
floating plants
