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        | CSS  :: Ecology and General Silviculture |  | 
	 
 
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                | 241. | Typical successions in forest are: |  
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				| A. | Riverain | B. | Esturine |  
				 				 | C. | Confierous | D. | All of the above |  
                        
                        
                            Answer: Option D Explanation:    |  
 
            
            
                | 242. | Plant associations refer: |  
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				| A. | A group or community of plants living together in common habitat | B. | A group may include different species of plants, belonging to different families |  
				 				 | C. | Both (a) & (b) | D. | None of these |  
                        
                        
                            Answer: Option C Explanation:    |  
 
            
            
                | 243. | Hydrophytes (Acquatic Plants) means: |  
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				| A. | A reduction of the protective, conducting and supporting tissues | B. | Absences of palisade tissue |  
				 				 | C. | Both (a) & (b) | D. | None of these |  
                        
                        
                            Answer: Option C Explanation:    |  
 
            
            
                | 244. | Hygrophytes (Moisture loving plants) means: |  
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				| A. | The pants are usually stunted in growth | B. | Roots and stem are poorly developed |  
				 				 | C. | Leaves are large and tend to avoid water less lam transpiration | D. | All of the above |  
                        
                        
                            Answer: Option D Explanation:    |  
 
            
            
                | 245. | Mesophytes means: |  
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				| A. | Are ordinary plants growing under average conditions | B. | The occupy intermediate conditions between xerophyte and hydrophytes |  
				 				 | C. | Some trees and stress with deciduous leaves show marked seasonal differences | D. | All of the above |  
                        
                        
                            Answer: Option D Explanation:    |  
 
            
            
                | 246. | Xerophytes means: |  
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				| A. | Grow in desert or dry, hot, sandy place with scanty rainfall | B. | A desert habitant is characterized by Blarcity of water in soil, extremely dry intense light, high temp and strong winds |  
				 				 | C. | Both (a) & (b) | D. | None of these |  
                        
                        
                            Answer: Option C Explanation:    |  
 
            
            
                | 247. | The modes of Perennation are: |  
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				| A. | Evergreen trees | B. | Deciduous trees |  
				 				 | C. | Herbaceous perennials | D. | All of the above |  
                        
                        
                            Answer: Option D Explanation:    |  
 
            
            
                | 248. | The major types of soil are recognized on the basis of their mode of accumulation and include: |  
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				| A. | Residual | B. | Transported |  
				 				 | C. | Colluvial | D. | Alluvial |  
				    | E. | All of the above |  |  |  
                        
                        
                            Answer: Option E Explanation:    |  
 
            
            
                | 249. | The Organic contents of soil are: |  
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				| A. | Humus | B. | Mull |  
				 				 | C. | Peat and Much | D. | All of the above |  
                        
                        
                            Answer: Option D Explanation:    |  
 
            
            
                | 250. | Soil water depicts: |  
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				| A. | Gravitational | B. | Capillary |  
				 				 | C. | Hygroscopic | D. | All of the above |  
                        
                        
                            Answer: Option D Explanation:    |  
 
 
			
			
 
 
 
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