Objective Questions On Plant Pathology

Quiz 2


11) Saccharomycodes Ludwigii ascus produces ?  
(A) 16 ascospores               
(B) 8 ascospores
(C) 4 as cospores                        
(D) Large number of ascospore      
Correct Answer :­ 4 as cospores                         

12) The zygospores formed by the conjugation of gametangia are:­?
(A) Thick walled & black
(B) Thin walled & blue
(C) Thick walled and blue
(D) Thin walled & Green
Correct Answer :­Thick walled & black  

13) Who classified fungi under kingdom myceteae of super kingdom Eukaryota?  
(A) Whittaker                            
(B) Copeland  
(C) Gregory                           
(D) Alexopoulos & Mims  
Correct Answer :­ Alexopoulos & Mims   

14) Elias fries, presented 1st detailed classification of fungi in his book named ?  
(A) Sylloge Fungorum
(B) Systema Mycologicum             
(C) Species plantarum
(D) Elements de botanique
Correct Answer :­Systema Mycologicum              

15) According to Alexopoulus (1962), sub division Eumycotina is divided into ?
(A) 4 classes
(B) 8 classes
(C) 12 classes      
(D) 7 classes
Correct Answer :­8 classes  

16) Saprophytes and parasites both are found in:­
(A) Oomycetes
(B) Chytridiomycetes     
(C) Zygomycetes
(D) All of the above
Correct Answer :­All of the above 

17) Polyplanetism is found in:­
(A) Albugo                                    
(B) Achlya  
(C) systopus                              
(D) Phytophthora  
Correct Answer :­ Achlya   

18) Which of the following are not the members of zygomycetes  
(A) Mucor        
(B) Choanephora cucurbitarum               
(C) C. Trispora                    
(D) Albugo
Correct Answer :­ Albugo 

19) According to Guillermond (1940), life cycle formed in yeast is:­    
(A) Haplobiontic life cycle 
(B) Diplobiontic life cycle 
(C) Haplodiplobiontic life cycle
(D) All of the above  
Correct Answer :­All of the above   

20) Apothecium, fruiting body, is found in:­   
(A) Claviceps     
(B) Peziza
(C) Phyllactina  
(D) Phyllactina  
All of the above  
Correct Answer :­Peziza


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Plant Pathologists are scientists concerned with the understanding of the
objective questions on plant pathology
dynamic processes involved in the plant health. Plant Pathology is defined as the study of the organisms and environmental conditions that cause disease in plants, the mechanisms by which this occurs, the interactions between these causal agents and the plant (effects on plant growth, yield and quality), and the methods of managing or controlling plant disease. It also interfaces knowledge from other scientific fields such as mycology, microbiology, virology, biochemistry, bio-informatics, etc
Keywords:- objective questions on plant pathology

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