Explore topic-wise MCQs in 9th Class.

This section includes 1777 Mcqs, each offering curated multiple-choice questions to sharpen your 9th Class knowledge and support exam preparation. Choose a topic below to get started.

651.

Direction: Read the given passage carefully and answer the following questions.The constituents of a heterogeneous mixture are X, Y and Z. If mixture containing X and Y is taken, X can be separated using magnetic separation from Y. If mixture containing Y and Z is taken, the two can be separated using evaporation method.Which of the following identifies X, Y and Z correctly?

A. Iron, salt, water
B. Sulphur, carbon disulphide, water
C. Gun powder, common salt, water
D. Iodine, sand, alcohol
Answer» B. Sulphur, carbon disulphide, water
652.

To which of the following category does ice-cream belong?

A.  Solution           
B.         Emulsion  
C.  Element           
D.         Suspension
Answer» C.  Element           
653.

Different substances are classified as:I Pure substanceII Homogeneous mixtureIII Heterogeneous mixtureA few common substances are listed below.(i) Air,(ii) Graphite,(iii) Gasoline,(iv) Diamond,(v) Tap water,(vi) Iron,(vii) Sodium chloride,(viii) Iodised salt,(ix) Brass,(x) Oil and waterWhich of the following represents the correct classification of the given substances?

A. I - (ii), (vi), (ix);II - (i), (v), (vii);III - (iii), (iv), (viii), (x)
B. I - (ii), (iv), (vi), (vii);II - (i), (iii), (v), (viii), (ix);III -(x)
C. I - (i), (iv), (vii), (ix);II - (ii), (v). (viii);III - (iii), (vi), (x)
D. None of these represents the correct match.
Answer» C. I - (i), (iv), (vii), (ix);II - (ii), (v). (viii);III - (iii), (vi), (x)
654.

Which of the following organisms is/are causes diseases in poultry?

A. Bacteria            
B.        Fungi
C. Virus                
D.        All of the above  
Answer» E.
655.

Weeds affect the crop plants by:

A. Killing of plants in field before they grow.
B. Dominating the plants to grow.
C. Competing for various resources of crops (plants) causing low availability of nutrients.
D. All the above
E. None of these
Answer» D. All the above
656.

What is the scientific name of the Italian bee?

A. Apis indica   
B.        Apis dorseta
C. Apis mellifera  
D.        Apis florae
Answer» D.        Apis florae
657.

Complete the given statements by selecting the correct words from the options given below.(a) ___(i)___ is a kind of manure which is prepared in the field itself to enrich soil with nitrogen and phosphorus.(b) ___(ii)___ is a draught breed of cattle.(c) In ___(iii)___ water escapes from revolving nozzle and falls like rain on the crops.(d) ___(iv)___ is the process of crossing individuals of two different species to produce hybrid. 

A. (i)(ii)(iii)(iv)VermicompostMalviDrip irrigationIntravarietal hybridisation               
B. (i)(ii)(iii)(iv)Farm yard manureSahiwalChain pumpIntervarietal hybridisation               
C. (i)(ii)(iii)(iv)CompostGirMoatIntraspecific hybridisation               
D. (i)(ii)(iii)(iv)Green manureNageriSprinkler systemInterspecific hybridisation
Answer» E.
658.

Which of the following refers to "Seed" in fisheries?

A. Fish                  
B.        Eggs of fish  
C. Feeders             
D.        Larva
Answer» C. Feeders             
659.

Which of the following is the source of irrigation for crops?

A. Water canal
B. Wells
C. River    
D. Apis mellifera ligustica
E. None of these
Answer» E. None of these
660.

Crop improvement by crossing two plants with different desired characters in order to combine these characters is called ______.

A. Natural selection         
B. Intercropping  
C. Hybridisation  
D. Mixedcropping
Answer» D. Mixedcropping
661.

Which of the following is not an organic method used to control weeds?

A. Proper seed beds
B.        Weedicides  
C. Intercropping
D.        Crop rotation
Answer» C. Intercropping
662.

Which of the following is a food-fodder mixed farming system?

A. Growing food crops alone
B. Growing fodder crops alone
C. Growing crops which can be used as food and fodder by using more fertilizers.
D. Growing food crops and fodder crops in the same field.  
Answer» E.
663.

Which of the following is commonly known as the Indian bee?

A. Apis cerana indica          
B. Apis dorsata
C. Apis florae                    
D. Rock bee
E. None of these
Answer» B. Apis dorsata
664.

Select the group that contains only the micronutrients.

A. Sulphur, Molybdenum, Nitrogen
B. Zinc, Copper, Manganese
C. Oxygen, Iron, Potassium
D. Carbon, Chlorine, Nickel
Answer» C. Oxygen, Iron, Potassium
665.

Crop rotation is an important part of organic farming. Why is mono-cropping problematic?

A. The crop is vulnerable to organized crop thieves.
B. It encourages the build-up of diseases and pests that destroy that particular crop.  
C. It does not use minerals.
D. It is expensive.
Answer» C. It does not use minerals.
666.

Which of the following factors is the most important factor that led to the green revolution in India?

A. Judicious use of pesticides
B. Proper use of water
C. Increase in land area under cultivation
D. Introduction of high yielding varieties of crops  
Answer» E.
667.

Which of the following is a popular indigenous breed of fowl?

A. Aseel                              
B. Murrah
C. Surti                             
D. Catia
Answer» B. Murrah
668.

Given below are characteristics of an organism X. Which of the following is X?

A. Queen bee   
B.        Worker bee  
C. Drone               
D.        Male bee
Answer» C. Drone               
669.

Which of the following crops can be grown in all seasons?

A. Rice                             
B. Wheat
C. Vegetables                      
D. Mustard
Answer» D. Mustard
670.

Why is organic manure considered better than fertilisers?

A. It cannot be prepared in fields.
B. It is less rich in plant nutrients.
C. It improves the fertility and texture of the soil.  
D. It decreases the water holding capacity of the soil.
Answer» D. It decreases the water holding capacity of the soil.
671.

Which of the following refers to inland fisheries?

A. Culturing fish in fresh water  
B. Deep sea fisheries
C. Trapping and capturing fish from sea coast
D. Extraction of oil from fishes
Answer» B. Deep sea fisheries
672.

Which of the following is an important objective of biotechnology in the field of agriculture?

A. To produce disease resistant varieties of plants  
B. To increase the nitrogen content
C. To decrease the seed number
D. To increase the plant weight
Answer» B. To increase the nitrogen content
673.

Which of the following is formed as a result of the use of quality breeds?

A. Producing higher yields in a shorter period of time  
B. Not requiring irrigation
C. Increasing the lifespan of crops by 10 years
D. Carrying out photosynthesis at night
Answer» B. Not requiring irrigation
674.

Which of the following is true about the advantages of genetically modified crops?

A. Only (i) and (ii)  
B. Only (i) and (iii)
C. Only (ii) and (iii)
D. (i), (ii) and (iii)  
Answer» E.
675.

Who is called the "Father of Green Revolution" in India?

A. M.S. Ramaiah   
B. Aryabhatta
C. M.S. Swaminathan          
D. Jawaharlal Nehru
Answer» D. Jawaharlal Nehru
676.

Which of the following comes under animal husbandry?

A. Cattle farming   
B. Bee keeping
C. Fish production
D.        All the above
E. None of these
Answer» E. None of these
677.

What is the full form of G.M.O in Science?

A. Genetically Modified Organism  
B. Growth Maturity Order
C. Good Maturing Offspring
D. Gold Medal Order
Answer» B. Growth Maturity Order
678.

The crop which is affected by red rot disease is:

A. Rice                             
B. Pigeonpea
C. Chickpea                      
D. Sugarcane
E. None of these
Answer» E. None of these
679.

Which one of the following is a crossbreed of exotic Holstein-Friesian and Indian Sahiwal?

A. Karan-Swiss                  
B. Karan-Fries
C. Frieswal
D. Sahiwal
E. None of these
Answer» D. Sahiwal
680.

What is the advantage of crop rotation?

A. Getting different kinds of crops
B. Increasing the quality of minerals
C. Increasing the fertility of soil  
D. Increasing the quality of proteins
Answer» D. Increasing the quality of proteins
681.

Which of these is not a sustainable agriculture technique?

A. Mixed farming
B. Slash and burn farming  
C. Crop rotation
D. Crop selection
Answer» C. Crop rotation
682.

Who among the following is known as father of white revolution?

A. Dr. C.V. Raman
B. Dr. V. Kurien
C. Gregor Mendel
D.        Aristotle
E. None of these
Answer» C. Gregor Mendel
683.

Which one of the following is not a breed of buffalo?

A. Murrah             
B. Mehsina
C. Gir                   
D. Jaffarabadi
E. None of these
Answer» D. Jaffarabadi
684.

Which of these is made by using chemicals?

A. Organic manure
B. Biofertilizers
C. Natural insecticides         
D. Pesticides  
Answer» E.
685.

Which of these methods is used to kill pests?

A. Retting              
B.        Winnowing
C. Fumigation                      
D. Dusting
Answer» D. Dusting
686.

Which one of the following is a water ? borne disease?

A. Blight of rice                  
B. Rust of wheat
C. Smut of bajra                
D. Tikka of groundnut
E. None of these
Answer» B. Rust of wheat
687.

Which one of the following diseases is not caused by bacteria?

A. Mastitis
B. Anthrax
C. Salmonellosis
D. Foot and Mouth disease
E. None of these
Answer» E. None of these
688.

Which of the following is also called unwanted plants?

A. Weeds                            
B. Shrubs
C. Grasses                         
D. Feeds
Answer» B. Shrubs
689.

Which of these plants contains nitrogen fixing bacteria?

A. Gram                             
B. Wheat
C. Mustard                        
D. Cotton
Answer» B. Wheat
690.

____ is a high yielding breed of buffalo.

A. Murrah 
B. ILS-82
C. Frieswal            
D. Red Sindhi
E. None of these
Answer» B. ILS-82
691.

Which element is required in large quantities by plants?

A. Boron                           
B. Iron
C. Potassium                       
D. Molybdenum
Answer» D. Molybdenum
692.

A chemical secreted by the queen bee to guide the worker bees:

A. Royal jelly                     
B. Pheromone
C. Stinger              
D. Honey
E. None of these
Answer» C. Stinger              
693.

Which of the following statements is correct? Statement P: The quality value of honey depends upon flowers available. Statement Q: Apis dorsata is commonly known as little bee.

A. Statement P is correct and statement Q is incorrect.
B. Statement Q is correct and statement P is incorrect.
C. Both the statements are correct.
D. Both the statements are incorrect.
E. None of these
Answer» B. Statement Q is correct and statement P is incorrect.
694.

Which is the Indian breed of high milk-yielding variety of cow?

A. Jersey                           
B. Ongole
C. Sahiwal                          
D. Red sindhi
Answer» D. Red sindhi
695.

Which one among the following is an exotic breed of poultry birds?

A. Basara             
B. White leghorn
C. Ghagus             
D. Cochin
E. None of these
Answer» C. Ghagus             
696.

Which of the following is an indigenous breed of poultry bird?

A. White Leghorn   
B. Aseel  
C. White Cornish    
D. New Hampshire
Answer» C. White Cornish    
697.

Which of the following is a marine fish?

A. Ribbon fish                    
B. Bhetki
C. Hilsa                            
D. All the above
E. None of these
Answer» E. None of these
698.

The poultry bird groomed for obtaining meat is called ______ while that groomed for obtaining eggs is called ______.

A. Broiler, Chicken          
B. Chicken, Layer           
C. Layer, Broiler
D.        Broiler, Layer
Answer» E.
699.

Which of these crops does not require nitrogen fertilizer?

A. Corn                
B.        Soyabean  
C. Grass               
D.        Oats
Answer» C. Grass               
700.

Which one of the following pairs in incorrect?

A. Catla - Surface feeder
B. Rohu - Bottom feedur
C. Common Carp - Bottom Feeder
D. Common Carp - Bottom feeder
E. None of these
Answer» C. Common Carp - Bottom Feeder