Biological Classification

All eukaryotic unicellular organisms belong to

• Monera

• Protista

• Bacteria

• Fungi

Organisms living in saline areas will be called

• heliophytes

• halophiles

• methanogens

• thermoacidophiles

Naked cytoplasm, multinucleated saprophytes belongs to

• Monera

• Protista

• Fungi

• Slime mould

Mycobiont and Phycobiont forms association in

• Mycorrhiza

• B-G algae

• Lichen

• root of higher plants

Contagium vivum fluidum was proposed by

• Ivanowsky

• Beijerinck

• Stanley

• Robert Hook

Which of the following organism is not an eukaryote?

• Paramoecium

• Euglena

• Escherichia

• Amoeba

A common nitrogen fixer in paddy field is

• Rhizobium

• Azospirillum

• Frankia

• Oscillatoria

The envelope of a virus is called

• core

• virion

• capsid

• cell envelope

Which of the following diseases is caused by virus but transmitted by mosquito?

• Typhoid

• Yellow fever

• Plague

• COVID-1

Which of the following is a characteristic feature of Chrysophytes?

• parasitic forms causing disease in animals

• have protein rich layer called pellicle

• have indestructible siliceous cell wall

• commonly called dinoflagellates