Chemosynthetic autotrophic bacteria does not help in recycling of

  1. Nitrogen
  2. Iron
  3. Sulphur
  4. Mangnese 
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Chemosynthetic bacteria does not use which inorganic substrate?

  1. Nitrites
  2. Nitrates
  3. Chlorides
  4. Both a and b
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Chemosynthetic autotrophs derive energy by

  1. By sunlight
  2. By oxidation of inorganic substances
  3. By reduction of inorganic substances
  4. By reduction followed by oxidation of inorganic substances
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


The majority of heterotrophic bacteria are

  1. Decomposers
  2. Autotrophs
  3. Lithotrophs
  4. Organotrophs
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Lactobacillus comes under which category

  1. Autotrophs
  2. Lithotrophs
  3. Organotrophs
  4. Heterotrophs
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Leguminous plants have bacteria with which kind of mode of nutrition-

  1. Heterotrophs
  2. Autotrophs
  3. Lithotrophs
  4. Organotrophs
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Which of the following is not a bacterial disease

  1. Citrus canker
  2. Cholera
  3. Plague
  4. Mumps
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Which of the following is not a mode of bacterial reproduction?

  1. Fission
  2. Spore formation
  3. Conjugation
  4. Fragmentation
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Mycoplasma are not possessing which of the following features?

  1. Lack cell wall
  2. Pleomorphic
  3. Can't survive without oxygen
  4. Except b all are correct
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


------- mycoplasma are pathogenic in …….

  1. Many, animals and plants
  2. All, animals and plants
  3. All, animals
  4. All, plants
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level: