Question : Which class of algae is commonly known as brown algae?

Option 1: Rhodophyceae

Option 2: Phaeophyceae

Option 3: Chlorophyceae

Option 4: Chrysophyceae

Question : The members of _____ are commonly called red algae.

Option 1: Rhodophyceae

Option 2: Phaeophyceae

Option 3: Poaceae

Option 4: Chlorophyceae

Question : _______________ is commonly known as imperfect fungi because only the asexual or vegetative phases of these fungi are known.

Option 1: Phycomycetes

Option 2: Basidiomycetes

Option 3: Deuteromycetes

Option 4: Ascomycetes

Question : Which among the following are commonly known as blood thinners?

Option 1: Anticoagulants

Option 2: Antibiotics

Option 3: Anticaking agents

Option 4: Antibodies

Question : What is the greenhouse effect?

Option 1: Turning of house green because of algae cover

Option 2: Turning of house green because of the green component of white light

Option 3: Warming of the Earth because of trapping of radiations by the Earth's atmosphere

Option 4: None of these