Tag: bacteria: types and structure

Questions Related to bacteria: types and structure

Amoeba and Yeast reproduce asexually by fission and budding respectively, because they are.

botany bacteria bacteria - introduction, shape and structure bacteria: types and structure bacteria; benefits and harmful effects non cellular organism : virus world of virus

  1. Microscopic organisms

  2. Heterotrophic organisms

  3. Unicellular organisms

  4. Uninucleate organisms

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Correct Option: A

Which of the following pairs of an animal and a plant represents endangered organisms in India?

botany bacteria bacteria - introduction, shape and structure bacteria: types and structure bacteria; benefits and harmful effects non cellular organism : virus world of virus

  1. Banyan and black buck

  2. Bentinckia nicobarica and red panda

  3. Tamarind and rhesus monkey

  4. Cinchona and leopard

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Correct Option: A

Superbugs are

botany bacteria bacteria - introduction, shape and structure bacteria: types and structure bacteria; benefits and harmful effects non cellular organism : virus world of virus

  1. Synthetic bug

  2. Bacteria

  3. Radio nucleotide

  4. Industries

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Correct Option: B
Explanation:

Superbugs is a term used to describe strains of bacteria that are resistant to the majority of antibiotics commonly used today. These resistant bacteria can cause pneumonia, urinary tract infections, skin infections and many other diseases that are difficult to treat and may be fatal.

So, the correct answer is 'Bacteria'

Which cell organelle is absent in anaerobic bacteria?

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  1. Mitochondria

  2. Golgi body

  3. E.R.

  4. All of the above

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Correct Option: D
Explanation:

An anaerobic organism or anaerobic bacteria is any organism that does not require oxygen for growth. It may react negatively or even die if oxygen is present. Mitochondria, Golgi body and ER are organelles of eukaryotic organisms. Since anaerobic bacteria is prokaryotic, they are absent in anaerobic bacteria.

State whether the following statements are true or false.
All denitrifying bacteria are heterotrophs.

botany bacteria bacteria - introduction, shape and structure bacteria: types and structure bacteria; benefits and harmful effects non cellular organism : virus world of virus

  1. True

  2. False

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Correct Option: A
Explanation:

Denitrifying bacteria convert nitrates in the soil to free atmospheric nitrogen, nitrogen-fixing bacteria are heterotrophs.

So, the correct option is 'True'.

Commercial lac is produced from .............

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  1. The nest of a type of bird

  2. The exudation of a type of insect.

  3. The scale of a type of a fish

  4. The root of a plant

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Correct Option: B