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        | CSS  :: General Agriculture |  | 
	 
 
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     For students in search of Hydroponic Gardening
 Guides - Basics to Experts level
 Growing fruit and vegetables hydroponically
 Practical daily questions or queries of hydroponics lovers
 Current Hydroponics and Indoor Gardening Market Growth as well as Trends
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                | 531. | Red rot in sugarcane is caused by: |  
                | 
			 
				
					
				| A. | Fungus | B. | Bacteria |  
				 				 | C. | Virus | D. | Physiological disorder |  
                        
                        
                            Answer: Option A Explanation:    |  
 
            
            
                | 532. | Refractometer is used to determine: |  
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				| A. | Minerals | B. | T.S.S. |  
				 				 | C. | Vitamin | D. | None of the above |  
                        
                        
                            Answer: Option B Explanation:    |  
 
            
            
                | 533. | Registered seed is produced from: |  
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				| A. | Foundation seed | B. | Registered seed |  
				 				 | C. | Both (a) and (b) | D. | Certified seed |  
                        
                        
                            Answer: Option C Explanation:    |  
 
            
            
                | 534. | In which of the following compound provide the necessary energy and reducing power for CO2 fixation and reduction? |  
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				| A. | ATP | B. | NADPH |  
				 				 | C. | Both (a) and (b) | D. | None of the above |  
                        
                        
                            Answer: Option C Explanation:    |  
 
            
            
                | 535. | Relationship among micro organisms where one organism hinders the growth of other, is known as: |  
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				| A. | Antibiosis | B. | Symbiosis |  
				 				 | C. | Synergism | D. | Commensalism |  
                        
                        
                            Answer: Option A Explanation:    |  
 
            
            
                | 536. | Relationship between phenotypic variance (Vp) genotypic variance (Vg) and environmental variance Ve can be shown as: |  
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				| A. | Vp = Vg + Ve | B. | Vg = Vp + Ve |  
				 				 | C. | Ve = Vp + Vg | D. | None of these |  
                        
                        
                            Answer: Option A Explanation:    |  
 
            
            
                | 537. | Relationship in which one organism gets benefited without affecting the other is called: |  
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				| A. | Symbiosis | B. | Commensalism |  
				 				 | C. | Synergism | D. | Antibiosis |  
                        
                        
                            Answer: Option B Explanation:    |  
 
            
            
                | 538. | Who propounded the population theory first? |  
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				| A. | Adam Smith | B. | Ricardo |  
				 				 | C. | Malthus | D. | Marshall |  
                        
                        
                            Answer: Option C Explanation:    |  
 
            
            
                | 539. | Rental value of Land is the part of: |  
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				| A. | Cost C | B. | Cost A1 |  
				 				 | C. | Cost A2 | D. | Cost B |  
                        
                        
                            Answer: Option D Explanation:    |  
 
            
            
                | 540. | Which of the following chemicals is widely used for purifying drinking water? |  
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				| A. | Flourine | B. | Patassium permagnate |  
				 				 | C. | Chlorine | D. | Iodine |  
                        
                        
                            Answer: Option C Explanation:    |  
 
 
			
			
 
 
 
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