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Latest APPSC ADO Exam Question (Objective Questions), MCQ in English

Subjects : Agriculture Science

Question Bank APPSC ADO Exam (Agriculture Science) Paper I - English
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Agriculture Science

Question 1Single Answer
In food, starch is detected by its :           
  1. A
    Granular form          
  2. B
    Energy reserve
  3. C
    White appearance       
  4. D
    Blue reaction with iodine
Question 2Single Answer
Cut surfaces of fruits often becomes dark due to :             
  1. A
    Dirty knife       
  2. B
    Oxidetion of iron containing chemicals                
  3. C
    Dissolution of iron of the knife            
  4. D
    Oxidation of tannic acid assisted by traces of iron form knife            
Question 3Single Answer
Kranz anatomy is typical of :        
  1. A
    C4 plants          
  2. B
    C3 plants       
  3. C
    C2 plants       
  4. D
    CAM plants     
Question 4Single Answer
Bakanae disease in rice plants (Oryza sativa ) is caused by :                 
  1. A
    Naphthalene acetic acid (NAA)                 
  2. B
    2 , 4-Dichlorophenoxy acetic acid (2,4-D)     
  3. C
    Gibberellic  acid (GA)         
  4. D
    Indole Acetic acid (IAA)      
Question 5Single Answer
A monosomic organism can best be represented as :                     
  1. A
    2n-1
  2. B
    2n+2
  3. C
    n+l
  4. D
    2n-2
Question 6Single Answer
Chemicals used for transmitting messages to members of same species are :                 
  1. A
    Allochemics
  2. B
    Kairomones
  3. C
    Auxins
  4. D
    Pheromones
Question 7Single Answer
Tomato and potato belong to :         
  1. A
    North America      
  2. B
    South America            
  3. C
    Asia minor
  4. D
    Ethiopia
Question 8Single Answer
At which part of plant potatoes are borne ?             
  1. A
    Primary root         
  2. B
    Stolons
  3. C
    Lateral roots         
  4. D
    Adventitious roots
Question 9Single Answer
Wild saccharum sponkaneum was used for introducing resistance to :  
  1. A
    Smut disease
  2. B
    Red rot disease
  3. C
    Loose smut disease
  4. D
    All of these
Question 10Single Answer
Which of the following cultivar of rice was discovered by Dr. G.S. khush and is most widely grown in the world?                    
  1. A
    IR-26.            
  2. B
    IR-36.            
  3. C
    Pusa-24.           
  4. D
    Ratna.      
Question 11Single Answer
Addition of which of the following is useful in rhizobial nitrogen fixation ?     
  1. A
    Phosphate       
  2. B
    Magnesium
  3. C
    Iron       
  4. D
    Potassium
Question 12Single Answer
Agriculture is considered to be the most important sector in india because :    
  1. A
    Agriculture provides the requisite foodstuff for the masses    
  2. B
    Agricultural development has nothing to do with education           
  3. C
    Agricultural sector contributes about half of the national income           
  4. D
    Most of the industries are directly dependent on agriculture
Question 13Single Answer
Which of the following measures have been taken to modernise Indian agriculture ?                                                      
  1. A
    Area under irrigation increased.
  2. B
    High yielding variety seeds.       
  3. C
    Credit and facilities to villagers.         
  4. D
    All of these.       
Question 14Single Answer
Assertion(A) : The growth rate in agriculture is small even after proper investment and planning                
Reason (R): Land reforms have not been satisfactorily carried out .            
  1. A
    A and R are true but R is not the correct explanation of A.                     
  2. B
    A and  R are true and R is the correct explanation of A.            
  3. C
    A is true but R is false.              
  4. D
    Both A and R are false. 
Question 15Single Answer
What is the "tenurial system"?                             
  1. A
    It points our the method of land use      
  2. B
    It identifies the ownership of land          
  3. C
    It identifies  the ownership of land and the relationship of the land owner with the actual cultivator.           
  4. D
    It identifies the size of land and how it is put to use 
Question 16Single Answer
Sub-divison and fragmentation of land resulted in :            
  1. A
    enormous wastage of land owing to boundaries            
  2. B
    uneconomic holdings      
  3. C
    destruction of enterprise 
  4. D
    All of the above       
Question 17Single Answer
Which of the following kinds of budgetings should be followed while planning a farm?       
  1. A
    Enterprise budgeting  
  2. B
    Partial budgeting        
  3. C
    Full budgeting 
  4. D
    Any of these          
Question 18Single Answer
Stock - farming refers to :     
  1. A
    accent on agricultural production to build a buffer stock 
  2. B
    co-operative farming  
  3. C
    farming  concentrating On the rearing of cattle and sheep            
  4. D
    Large scale capital intensive commercial farming       
Question 19Single Answer
Terrace is practised mostly :
  1. A
    In urban areas.           
  2. B
    On slopes of mountains.            
  3. C
    On tops of hills.
  4. D
    In undulating tracts.      
Question 20Single Answer
Large - scale intensive agriculture involves agricultural operations carried on :              
  1. A
    Near equator              
  2. B
    In densely populated areas.                 
  3. C
    On hilly tract.             
  4. D
    None of the above.      
Question 21Single Answer
Irrigation canal system can be easily provided in an area which has :    
  1. A
    Heavy rainfall.               
  2. B
    Mountains and waterfalls.             
  3. C
    Dry plain                             
  4. D
    Perennial rivers.        
Question 22Single Answer
What system of irrigation is not practised usually ?                  
  1. A
    Canal irrigation.             
  2. B
    Underground irrigation.                 
  3. C
    Sprinkler  irrigation.               
  4. D
    Lift irrigation.       
Question 23Single Answer
Canal irrigation is largely carried on in :                           
  1. A
    AP.         
  2. B
    MP.              
  3. C
    Maharashtra.          
  4. D
    Tamil nadu.         
Question 24Single Answer
The maximum density of canal lies in which of the following states ?        
  1. A
    AP           
  2. B
    Punjab         
  3. C
    Tamil nadu            
  4. D
    Uttar pradesh
Question 25Single Answer
The national flood control programme was taken up in the year :     
  1. A
    1950.            
  2. B
    1952.          
  3. C
    1954.          
  4. D
    1974.              
Question 26Single Answer
Soil morphology means :         
  1. A
    the physical structure of soil.      
  2. B
    activities of elementary plants.       
  3. C
    biological activities of soil.               
  4. D
    Sedimentation.  
Question 27Single Answer
Black cotton soils are deficient in  :                     
  1. A
    potash.     
  2. B
    iron.        
  3. C
    nitrogen.          
  4. D
    lime.        
Question 28Single Answer
Soluble salt content of soil is determined by measuring its:            
  1. A
    electrical conductivity.         
  2. B
    pH value.          
  3. C
    orgian matter content.         
  4. D
    sulphur content.         
Question 29Single Answer
A fertile soil consists of:                   
  1. A
    sand and pebbles.         
  2. B
    dry dead leaves.                
  3. C
    sand and clay.             
  4. D
    loam and humus.   
Question 30Single Answer
The principal cause of soil damage in punjab and haryana is:              
  1. A
    salinity and water-logging.         
  2. B
    deforestation.           
  3. C
    ravine erosion.         
  4. D
    over-grazing.               
Question 31Single Answer
Boilogical control  agents of soil borne pla pathogens act by:                   
  1. A
    secreting toxic metabolites.               
  2. B
    direct parasitism or predation on the pathogens.              
  3. C
    rapidly depleting nutrients and thereb causing starvation and death of pathogens.                   
  4. D
    Any or all the above ways.        
Question 32Single Answer
Rotation of crops is essential for:                 
  1. A
    increasing fertility of the soil.              
  2. B
    getting different kinds of crops.             
  3. C
    increasing the quantity of minerals.             
  4. D
    increasing the quantity of proteins.      
Question 33Single Answer
Through Inter - cropping :            
  1. A
    two crops are grown alternately
  2. B
    two crops are grown at a time
  3. C
    a gap is given between two cropping period   
  4. D
    None of these     
Question 34Single Answer
For seeds to remain viable , they should be stored  in a :   
  1. A
    cool and dry place    
  2. B
    dry and warm place    
  3. C
    moist and warm place 
  4. D
    cool and moist place        
Question 35Single Answer
Mulching means the :    
  1. A
    spreading  of a mixture of wet straw and leaves for protecting seedlings            
  2. B
    applying of chemical fertilizer.  
  3. C
    applying of green manure  
  4. D
    None of the above          
Question 36Single Answer
green Revolution is a concept connected with:         
  1. A
    afforestation.             
  2. B
    growing new types of grass               
  3. C
    discovery of high yielding varieties especially in food - grains.  
  4. D
    None of the above      
Question 37Single Answer
The crops which is sown with the commen cement of Monsoon is :       
  1. A
    rabi crop          
  2. B
    kharif crop             
  3. C
    cash crops.               
  4. D
    None of these       
Question 38Single Answer
Which is a long day plant ?                
  1. A
    Chrysanthemum.            
  2. B
    Wheat.            
  3. C
    Rice.               
  4. D
    Tomato.         
Question 39Single Answer
Wheat varieties, which triggered off the green revolution, were;            
  1. A
    hybrid wheat.          
  2. B
    drarf wheat.        
  3. C
    composite wheat.          
  4. D
    None of the above.         
Question 40Single Answer
Green Revolution has led to :                  
  1. A
    an increase in regional inequalities.            
  2. B
    an increase in inter-personal inequali-ties.                   
  3. C
    maximum addition to wheat production.                
  4. D
    All of these.            
Question 41Single Answer
The term cell was proposed by
  1. A
    Robert Hooke
  2. B
    Leewenhoek
  3. C
    Schleiden and Schwan
  4. D
    Robert brown
Question 42Single Answer
The cell discovered in thin section of cork by Robert Hooke was actually__________
  1. A
    Protoplasm
  2. B
    Cellulose
  3. C
    Cell wall
  4. D
    Nucleoli
Question 43Single Answer
Metabolically active cells have
  1. A
    Higher nucleo-cytoplasmic ratio
  2. B
    Lower nucleo-cytoplasmic ratio
  3. C
    Higher surface volume ratio
  4. D
    Both a and c
Question 44Single Answer
Largest plant cell is________
  1. A
    Xylem vessel
  2. B
    Parenchyma cell
  3. C
    Sieve tube
  4. D
    Sclerenchyma fibers
Question 45Single Answer
Cell theory put forward by
  1. A
    Robert Hooke
  2. B
    Leuwenhoek
  3. C
    Schleiden and Schwan
  4. D
    Robert brown
Question 46Single Answer
Eexception of cell theory is_______
  1. A
    Virus
  2. B
    Mycoplasma
  3. C
    Fungi
  4. D
    Algae
Question 47Single Answer
The term protoplasm was coined by
  1. A
    Corti
  2. B
    Dujardin
  3. C
    Purkinje
  4. D
    Robert brown
Question 48Single Answer
Protoplasm is
  1. A
    Emulsion
  2. B
    Crystalloid colloidal
  3. C
    Suspension
  4. D
    Gaseous mixture
Question 49Single Answer
Largest organelle in cell is
  1. A
    Nucleus
  2. B
    Chloroplast
  3. C
    Mitochondria
  4. D
    Vacuoles
Question 50Single Answer
Most accepted model for cell membrane is?
  1. A
    Lamellar model
  2. B
    Fluid mosaic model
  3. C
    Unit membrane model
  4. D
    Battery model
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