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#Question id: 23242


Carboxysomes containing bacteria are nitrifying bacteria. Which among the following are examples of such bacteria?
1.Cyanobacteria 
2.E. Coli
3.Thiobacilli
Mark the option with correct combination?

#Unit 2. Cellular Organization
  1. 1 & 2        
  2. 1 & 3            
  3. 2 & 3              
  4. 1, 2 & 3

Answer:- Option(s): 2


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#Question id: 19282

#Unit 9. Diversity of Life Forms

This organism probably belongs to the same phylum as the 

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#Question id: 19283

#Unit 9. Diversity of Life Forms

Which of the following most closely represents the male gametophyte of seed-bearing plants? 

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#Question id: 19284

#Unit 9. Diversity of Life Forms

Which of these is most important in making the typical seed more resistant to adverse conditions than the typical spore? 

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#Question id: 19285

#Unit 9. Diversity of Life Forms

What is true of stamens, sepals, petals, carpels, and pinecone scales? 

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#Question id: 19286

#Unit 9. Diversity of Life Forms

scale of ovulate (ovule-bearing) pinecone 

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#Question id: 19287

#Unit 9. Diversity of Life Forms

Integument of pine seed 

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