Microorganisms and Their Functions

Which of the following microorganisms help in the fixation of atmospheric nitrogen?

• Lactobacillus

• Rhizobium

• Plasmodium

• Penicillium

Yeast reproduces by which method?

• Binary fission

• Spore formation

• Budding

• Fragmentation

Which of the following diseases is caused by a protozoan?

• Cholera

• Malaria

• Tuberculosis

• AIDS

Which of the following is a fungal microorganism?

• Amoeba

• Penicillium

• Paramecium

• Plasmodium

Which of the following organisms shows metamorphosis during development?

• Earthworm

• Frog

• Amoeba

• Hydra

Which microorganism is used in the production of alcohol and bread?

• Virus

• Bacteria

• Yeast

• Algae

Which of these is an example of asexual reproduction?

• Fertilization in humans

• Budding in yeast

• Internal fertilization in cats

• Pollination in flowers

Which of the following diseases is not caused by a microorganism?

• Typhoid

• Influenza

• Diabetes

• Tuberculosis

Hydra reproduces asexually by:

• Fragmentation

• Budding

• Binary fission

• Spore formation

Which statement is true about viruses?

• They are made of cells

• They can reproduce on their own

• They reproduce only inside a host cell

• They perform photosynthesis