Which one of the following statement about virus is correct?

(a)

Possess their own metabolic system

(b)

They are facultative parasites

(c)

They contain DNA or RNA

(d)

Enzymes are present

Identify the Archaebacterium.

(a)

Acetobacter

(b)

Erwinia

(c)

Treponema

(d)

Methanobacterium

Identify the correctly matched pair.

(a)

Actinomycete - Late blight

(b)

Mycoplasma - Lumpy jaw

(c)

Bacteria - Crown gall

(d)

Fungi - Sandal spike

Basidiomycetes do not possess this feature.

(a)

Clamp connection

(b)

Club Fungi

(c)

Dolipore septum

(d)

Lack sexual reproduction

A plant growth promoter got from fungi is ___________

(a)

Rennet

(b)

Gibberellin

(c)

Ergot

(d)

Griseofulvin

Organisms grow by __________

(a)

cell division

(b)

spore formation

(c)

fragmentation

(d)

vegetative propagation

_________ do not growth.

(a)

Living organisms

(b)

Microorganisms

(c)

Dead organisms

(d)

All the above

______________ is a basic unit of life.

(a)

Atoms

(b)

Compounds

(c)

Soils

(d)

Cell

Founder of modern Bacteriology _________________

(a)

Koch

(b)

Griffith

(c)

Lederberg

(d)

Gram

Virus that infects bacteria is called __________

(a)

Mycophage

(b)

Lactophage

(c)

Bacteriophage

(d)

Cyanophage

Which one of the following bacterium can cause crown gall disease in plants?

(a)

Bacillus

(b)

Clostridium

(c)

Agrobacterium tumefaciens

(d)

E.Coli

A bacterial cell is covered by ____________

(a)

glycocalyx

(b)

flagellin

(c)

chitin

(d)

peptidoglycan

Dermatophytes are fungi which cause infection in the __________

(a)

Head

(b)

Foot

(c)

Skin

(d)

Nail

Cyanophages means:

(a)

Viruses infecting red algae

(b)

 Viruses infecting brown algae

(c)

Viruses infecting blue green algae

(d)

Viruses infecting green algae

Which among the bacteria breakdown hydrocarbons?

(a)

Pseudomonas putida

(b)

Lacto bacillus

(c)

Bifido bacterium

(d)

Nitrosomonas

Asexual reproduction occurs by Regeneration ___________.

(a)

Planaria

(b)

Spirogyra

(c)

Yeast

(d)

Bacteria.

Viruses have nucleic acid core surrounded by __________.

(a)

Protein coat

(b)

Lipid

(c)

Ammonia

(d)

Glucose

Crystalline form of virus was first observed by ______ in 1935

(a)

Louis Pasteur

(b)

Ivanosky

(c)

Ivanosky

(d)

W.M.Stanley

HIV is discovered by __________.

(a)

Luc Montagnier and Robert Gallo

(b)

W.M.Stanley

(c)

Ivanosky

(d)

Twort

The genetic material in Reo viruses is ______________.

(a)

DS- RNA

(b)

SS - RNA

(c)

DS- DNA

(d)

SS - DNA

Plant viruses have __________.

(a)

DNA

(b)

RNA

(c)

BothDNAand RNA

(d)

Coiled Nucleus

Viroid is discovered by _____.

(a)

T.O.Diene

(b)

Twort

(c)

Randles

(d)

d'Herelle

Prions are infections

(a)

Nucleic acid

(b)

Lipids

(c)

Proteins

(d)

Carbohydrates

Four Kingdom System of classification was given by ___________.

(a)

Carl Linnaeus

(b)

Ernst Hackel

(c)

Copeland

(d)

R.H.Whittaker

Ted tide is caused by____________.

(a)

Ooflagellate

(b)

Xanthophyceae

(c)

Dinoflgellate

(d)

Badlariophyta