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Plant Kingdom

Multiple Choice Questions

71.

The protein rich alga is

Ulothrix
Spirogyra
Nostoc
Chlorella

72.

The amphibians of plant kingdom are

algae
bryophytes
thallophytes
floating plants

73.

The plant Cuscuta shows maximum photosynthesis in

red light
blue light
green light
no photosynthesis at all

74.

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

75.

Which one of the following pairs is mismatched?

Savanna - Acacia trees
Prairie - Epiphytes
Tundra - Permafrost
Coniferous forest - Evergreen trees

76.

Tea and coffee are affected by

Phytophthora
Cephaleuros
Herviella
Albugo candida

77.

Though Cycas has 2 cotyledons, this is not included in dicot because

naked ovule
they have megaspore
appears as palm tree
has compound leaves

78.

The modified stem of Opuntia is

phyllode
phylloclade
cladode
stamroinode

79.
Mannitol is reserve food in

Rhodophyceae

Chlorophyceae

Phaeophyceae

Xanthophyceae

Phaeophyceae

Class Phaeophyceae includes brown algae Brown algae are marine plants. Chief pigments found in the members of this class are chlorophyll a and c $β$ -carotene, violaxanthin, fucoxanthin, lutein, diatoxanthin. Reserve food is laminarin, mannitol and oils.