Contaminated water may lead to

  • dysentery
  • food poisoning
  • flu
  • common cold

Permanent damage to skin, nerves, limbs and eyes if they are left untreated occurs in

  • leprosy
  • typhoid
  • cholera
  • rubella

An infection which is characterized by ringed shaped itchy and scaly patches on skin is called

  • ringworm
  • leprosy
  • mildew
  • rust

Fungal infections in plants includes

  • rust
  • mildew
  • blight
  • all of them

The enzymes which digest the outer layer of bacteria are called

  • lysosomes
  • chromosomes
  • ribosome
  • Golgi bodies

Proteins which defend body are called

  • antigens
  • antibodies
  • disinfectant
  • antiseptics

The thread like structure which helps bacteria to move is called

  • flagella
  • chromosome
  • cell wall
  • nucleus

A medicine which is used to treat or cure bacterial diseases by killing or stopping their growth of bacteria is called

  • antibody
  • antigen
  • antibiotics
  • antiseptics

Baker's yeast produce gas which helps in rising of dough it is

  • oxygen
  • hydrogen
  • carbon dioxide
  • nitrogen

The important decomposers include

  • bacteria
  • fungi
  • both a and b
  • virus

Anti-microbial compounds includes

  • antiseptic
  • disinfectants
  • both a and b
  • antibiotics

A bacterial cell lacks

  • flagella
  • chromosome
  • cell wall
  • nucleus

The introduction of dead or weak germs in to body orally or by injection to train body to fight the real germs on attack is called

  • vaccination
  • immunization
  • both a and b
  • infecting

Unicellular microscopic fungi are

  • yeast
  • mould
  • toadstool
  • penicillium

The deadly disease which is caused by a parasitic micro-organism called plasmodium is

  • Malaria
  • Dengue
  • Polio
  • Rubella

Germs spread in the form of

  • clusters
  • droplets
  • gases
  • air

The vectors which conduct germs includes

  • fleas
  • tick
  • lice
  • all of them

Polio can lead to

  • paralysis
  • nervous system distracted
  • both a and b
  • eye diseases

Bacteria are

  • non-living
  • unicellular organisms
  • multicellular organisms
  • complex organisms

The bacteria which have ability to convert milk sugar in to lactic acid is called

  • lactobacillus
  • streptococcus
  • gram positive bacteria
  • gram negative bacteria
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