Class 8 Science MCQ Crop Production And Management

Question :Which of the following can make their own food:
(a) humans
(b) animals
(c) plants
(d) all of these

Question :Which of the following body function is carried out by the energy from the food:
(a) digestion
(b) respiration
(c) excretion
(d) all of these

Question :The plants of the same kind grown and cultivated at one place on a large scale is called:
(a) crop
(b) pulses
(c) cereals
(d) none of these

Question :The science of agriculture includes:
(a) management of plants
(b) management of animals
(c) management of plants and animals
(d) management of humans

Question :The crops which are sown in the rainy season are called:
(a) kharif crops
(b) rabi crops
(c) zayed crops
(d) none of these

Question :Rhizobium bacteria is present in the nodules of the roots:
(a) wheat
(b) leguminous plants
(c) maize
(d) onion

Question :Which of the following is not true about tilling:
(a) It improves air circulation in the soil
(b) It helps in loosening the soil
(c) It helps in losing moisture
(d) It is also called ploughing

Question : The Crops which are grown in rainy season are called
(a) Rabi crop
(b) Seasonal crop
(c) Monsoon crop
(d) Kharif crop

Question : Rabi Crops are grown in _______ season
(a) Summer
(b) Spring
(c) Winter
(d) rainy

Question :The crops grown in the winter season are called:
(a) kharif crops
(b) rabi crops
(c) zayed crops
(d) none of these

Question :Big pieces of soil are called:
(a) stones
(b) crumbs
(c) sand
(d) none-of these

Question :The loosened soil helps in the growth of:
(a) earthworms
(b) microbes
(c) plants
(d) all of these

Question :The process of loosening and turning of the soil is called:
(a) sowing
(b) tilling or ploughing
(c) levelling
(d) none of these

Question :The levelling of soil is done with the help of a:
(a) leveller
(b) plough
(c) hoe
(d) cultivator

Question :Weeds are defined as:
(a) useful plants present in the field
(b) undesirable pests present in the field
(c) plants that cannot be used at all
(d) undesirable plants present in the field

Question :The tool used for removing weeds is:
(a) plough
(c) hoe
(b) leveller
(d) none of these

Question :Paddy is grown in:
(a) winter season
(b) rainy season
(c) summer season
(d) all of the above

Question :Good, healthy seeds when put in water then they:
(a) sink
(b) float
(c) can’t say
(d) none of these

Question :Transplantation is done, in the case of :
(a) maize
(b) wheat
(c) paddy
(d) none of these

Question :Which of the following is not a fertiliser:
(a) urea
(b) cow-dung
(c) potash
(d) super phosphate

Question :Fertilisers are produced in:
(a) fields
(b) wells
(c) factories
(d) none of these

Question :Which of the following produces manures:
(a) cattle dung
(b) human- waste
(c) plant residue
(d) all of these

Question :Which of the following quality of soil is improved by manures:
(a) water retaining capacity
(b) toll
(c) nutrients
(d) all of these

Question : Now a days seed is sown in the field using
(a) Seed Tractor
(b) Seed drill
(c) Seed Tiller
(d) Seed Plough

Question : Which of the following description is true for describing ‘fertiliser’
(a) Used in large quantity
(b) Organic in nature
(c) Does not cause pollution
(d) Produced in factories

Question : Rhizobium (a Bacteria) which fixes atmospheric nitrogen are found in nodules growing in
(a) Roots of leguminous plants
(b) Leaves of leguminous plants
(c) Stem of Leguminous plants
(d) All of the above.

Question : Before sowing the seeds, it is necessary to break soil to the size of grains to get better yield. The main tools used for such are
(a) Tractor, Hoe, Seed drill
(b) Bullock, tiller, tractor
(c) Plough, Hoe, Cultivator
(d) Plough, Seed Drill, Tractor

Question : Growing different crops alternately on the same land is technically called
(a) Crop Alternation
(b) Crop Rotation
(c) Crop Revolution
(d) Crop Change

Question : What is NPK?
(a) Fertiliser
(b) Manure
(c) Weedicide
(d) Weed

Question : Rhizobium bacteria is present in the nodules of the roots:
(a) wheat
(b) leguminous plants
(c) maize
(d) onion

Question : Before sowing the seeds, it is necessary to break soil to the size of grains to get better yield. The main tools used for such are
(a) Tractor, Hoe, Seed drill
(b) Bullock, tiller, tractor
(c) Plough, Hoe, Cultivator
(d) Plough, Seed Drill, Tractor

Question : Which of the following is an important factor for the growth of crops?
(a) Temperature
(b) Flumidity
(c) Rainfall
(d) All of the above

Question : The supply of water to crops at different intervals is called
(a) watering
(b) irrigation
(c) harvesting
(d) none of these

Question : In which of the following methods of irrigation rotating nozzles are used?
(a) Moat
(b) Drip system
(c) Chain Pump
(d) Sprinkler system

Question : The process of separating grains from chaff is known as:
(a) threshing
(b) harvesting
(c) winnowing
(d) transplantation

Question : Which of the following can make their own food:
(a) humans
(b) animals
(c) plants
(d) all of these

Question : Which of the following nutrients replenishes the soil after growing leguminous plants?
(a) Nitrogen
(b) Oxygen
(c) Phosphorus
(d) Potassium

Question : The tool used for removing weeds is:
(a) plough
(c) hoe
(b) leveller
(d) none of these

Question : Moat, Dhekli and Rahat are different
(a) Traditional methods of cultivation
(b) Traditional methods of Weeding
(c) Traditional methods of Seed sowing
(d) Traditional methods of irrigation

Question : In the harvested crop the grain seed is separated from the chaff. This process id called ___
(a) Threshing
(b) Seeding
(c) Ploughing
(d) Weeding

Question : The farm appliance ‘Combine’ is a combined
(a) Plough and Harvester
(b) Seed drill cum Thresher
(c) Harvester and Thresher
(d) Harvester cum Sprayer

Question : The ideal months for harvesting kharif crop are
(a) June/July
(b) August/September
(c) September/October
(d) November/December

Question : Watering the crops is called
(a) sowing
(b) manuring
(c) tilling
(d) irrigation

Question : Pesticides are used to destroy:
(a) pests
(b) weeds
(c) crops
(d) none of these

Question : Which of the following is not a fertiliser:
(a) urea
(b) cow-dung
(c) potash
(d) super phosphate

Question : The farm appliance ‘Combine’ is a combined
(a) Plough and Harvester
(b) Seed drill cum Thresher
(c) Harvester and Thresher
(d) Harvester cum Sprayer

Question : The crops which are sown in the rainy season are called:
(a) kharif crops
(b) rabi crops
(c) zayed crops
(d) none of these

Question : Animals like horse, donkey that carries load are called
(a) Drought species
(b) Load carrying Animals
(c) Dairy Animals
(d) Draught Animal

Question :At home to store grains we use:
(a) wet neem leaves
(b) dried neem leaves
(c) dried mango leaves
(d) dried peepal leaves

Question : The process of loosening and turning of the soil is called:
(a) sowing
(b) tilling or ploughing
(c) levelling
(d) none of these

Question : The process of separating grain from chaff is called
(a) Threshing
(b) Weeding
(c) Sowing
(d) Winnowing

Question :The process of loosening and turning of the soil is called ___________________ or ___________________ .

Question :Plough contains a strong triangular iron strip called ___________________ .

Question :The crops grown in the winter season are called ___________________ crops.

Question :The growing of same kind of plants is called ___________________ .

Question :Levelling of soil is done by ___________________ .

Question :Large scale storing of grains is done in ___________________ .

Question :Manure is an ___________________ substance obtained from the decomposition of plant or animal wastes.

Question :Ploughing helps to ___________________ the soil.

Question :Hoe is a tool used for removing ___________________ .

Question :The chemicals used to kill weeds are called ___________________ .

Question :A fertiliser is an ___________________ salt.

Question :Manures provides a lot of ___________________ to the soil.

Question :Manures ___________________ the water holding capacity of the soil.

Question :Seed drill is used for ___________________ .

Question :The bacteria present in grain plant is ___________________ .

Question :Unwanted plants which grow along with the main crop are called ___________________ .

Question :The machine used for cutting and threshing of crops are called ___________________ .

Question :The rearing and caring of animal to obtain food on large scale is called ___________________ .

Question :Watering the crop plants is called ___________________.

Question :The bacteria present in the nodules of the roots of leguminous plants fix atmospheric ___________________ .

Question :The cutting of crop after it is mature is called ___________________ .

Question :___________________ is the process of transferring healthy seedlings from a nursery to the main field.