Here we are providing Class 8 Science Objective Chapter – 1 Crop Production and Management because its very important for Class 8 students as we all know that every board exam question has MCQs so that students should practice these questions so that students can get good marks in board. Class 8 Science Objective Chapter – 1 Crop Production and Management is an extremely important and its also a year in which students learn the fundamentals of concepts that help them lay a solid foundation for their higher education. Here we are providing in Class Class 8 Science Objective Chapter – 1 Crop Production and Management Wastewater Story 100+ questions so that students practice more and more. If you want class wise Notes Then Click Here
Class 8 Science Objective Chapter – 1 Crop Production and Management
1.The branch of science that deals with growing plants and raising livestock for human use is
( A ) agriculture
( B ) horticulture
( C ) pisciculture
( D ) animal husbandry
2.The process of loosening of the soil is called
( A ) tilling
( B ) harvesting
( C ) spraying
( D ) weeding
Ans – ( A )
3.Products obtained from the crops are called
( A ) yield
( B ) produce
( C ) crop
( D ) fertilisers
Ans – ( B )
4.Which is pesticides?
( A ) 2, 4-dichlorophenoxyacetic acid
( B ) Malathion
( C ) Metolachlor
( D ) Chloroform
Ans – ( B )
5.Seed drill is used for
( A ) harvesting
( B ) cleaning the seed
( C ) sowing
( D ) weeding
Ans – ( C )
6.The practice of growing two or more dissimilar crops in the same field one after another is
( A ) crop rotation
( B ) tilling
( C ) plantation
( D ) weeding
Ans – ( A )
7.Rabi crop is harvested in
( A ) January
( B ) March
( C ) October
( D ) September
Ans – ( B )
8.The unwanted plants that grow along with the crops are called
( A ) fertilisers
( B ) manure
( C ) weeds
( D ) kharif crops
Ans – ( C )
9.Maize grow well during
( A ) June
( B ) January
( C ) April
( D ) September
Ans – ( A )
10.The ideal months for harvesting kharif crop are
( A ) June/July
( B ) August/September
( C ) September/October
( D ) November/December
Ans – ( C )
11.The agricultural instrument used for removal of weed is
( A ) sickle
( B ) khurpi
( C ) seed drill
( D ) plough
Ans – ( B )
12.Which of the following is an example of rabi crop?
( A ) Potato
( B ) Onion
( C ) Jute
( D ) Pulses
Ans – ( A )
13.Transplantation of seedling is done in
( A ) coffee
( B ) cocoa
( C ) rice
( D ) mango
Ans – ( C )
14.The method of loosening the soil is called
( A ) harvesting
( B ) ploughing
( C ) levelling
( D ) threshing
Ans – ( B )
15.Compost is a
( A ) manure
( B ) fertiliser
( C ) pesticide
( D ) weedicide
Ans – ( A )
16.Levelling of soil helps to prevent
( A ) soil erosion
( B ) cultivation
( C ) sowing
( D ) drought
Ans – ( A )
17.BHC (Benzene hexachloride) is a
( A ) weedicide
( B ) fertiliser
( C ) fungicide
( D ) pesticides
Ans – ( D )
18.Which of the following is not a kharif crop?
( A ) Paddy
( B ) Maize
( C ) Groundnut
( D ) Peas
Ans – ( D )
19.The chemical substances rich in nutrients are called
( A ) fertiliser
( B ) weedicide
( C ) pesticides
( D ) herbicides
Ans – ( A )
20.Which of the following are agricultural implements?
( A ) Seed drills
( B ) Silos
( C ) Harrow
( D ) All of these
Ans – ( D )
21.The process of separation of grain from the chaff after harvesting is known as
( A ) tilling
( B ) threshing
( C ) spraying
( D ) weeding
Ans – ( B )
22.The process of beating out grains from the harvested wheat crop is called
( A ) beating
( B ) crushing
( C ) threshing
( D ) harvesting
Ans – ( C )
23.Watering the crops is called
( A ) sowing
( B ) manuring
( C ) tilling
( D ) irrigation
Ans – ( D )
24.Rhizobium bacteria fix atmospheric
( A ) nitrogen
( C ) carbon dioxide
( B ) oxygen
( D ) hydrogen
Ans – ( A )
25.Which of the following is not provided to the soil by a chemical fertiliser?
( A ) Nitrogen
( B ) Humus
( C ) Potassium
( D ) Phosphorus
Ans – ( B )
26.The supply of water to crops at different intervals is called
( A ) watering
( B ) irrigation
( C ) harvesting
( D ) none of these
Ans – ( B )
27.The chemical substances rich in nutrients are called
( A ) fertilisers
( B ) weedicides
( C ) pesticides
( D ) herbicides
Ans – ( A )
28.The sources of irrigation are:
( A ) wells
( B ) damr
( C ) canals
( D ) all of these
Ans – ( D )
29.Compost is basically a
( A ) manure
( B ) fertiliser
( C ) pesticide
( D ) weedicide
Ans – ( A )
30.The chemicals used to control weeds are called:
( A ) pesticides
( B ) insecticides
( C ) weedicides
( D ) all of these
Ans – ( C )
31.Which of the following is an important factor for the growth of crops?
( A ) Temperature
( B ) Flumidity
( C ) Rainfall
( D ) All of the above
Ans – ( D )
32.Harvesting is a task of:
( A ) cutting of crop after it is-mature
( C ) separating of grain seeds from chaff
( B ) cutting of crop before it is mature
( D ) none of these
Ans – ( A )
33.Which of the following is generally used for making compost?
( A ) Metals
( B ) Paper
( C ) Plastics
( D ) Organic plant waste
Ans – ( D )
34.Winnowing is a method of separating:
( A ) soil from chaff
( B ) grain from chaff
( C ) soil from grain
( D ) none of these
Ans – ( B )
35.Which of the following is used for tilling the land by cultivator?
( A ) Tractor
( B ) Bullock
( C ) Buffalo
( D ) Fforse
Ans – ( A )
36.At home to store grains we use:
( A ) wet neem leaves
( B ) dried neem leaves
( C ) dried mango leaves
( D ) dried peepal leaves
Ans – ( B )
37.Combines are used for
( A ) sowing of seeds
( B ) harvesting the crops
( C ) threshing
( D ) both harvesting and threshing
Ans – ( B )
38.The plant roots containing nitrogen fixing bacteria are:
( A ) maize
( B ) potato
( C ) pea
( D ) onion
Ans – ( C )
39.What is NPK?
( A ) Fertiliser
( B ) Manure
( C ) Weedicide
( D ) Weed
Ans – ( A )
40.A combined harvester and thresher is called:
( A ) combo
( B ) combine
( C ) harvester-thresher
( D ) none of these
Ans – ( B )
41.Rabi crops are sown in
( A ) March, April
( B ) May, June
( C ) October, November
( D ) Any time
Ans – ( C )
42.Before storing, the grains are properly dried in the:
( A ) sun
( B ) air
( C ) fan
( D ) none of these
Ans – ( A )
43.Seed drill is used to
( A ) sow the seeds
( B ) remove the weeds
( C ) remove the pest
( D ) mix manure in the soil
Ans – ( A )
44.Which one of the following provide us manure:
( A ) dog
( B ) cattle
( C ) frog
( D ) birds
Ans – ( B )
45.Separating grains from chaff is called
( A ) sowing
( B ) threshing
( C ) tilling
( D ) harvesting
Ans – ( B )
46.The process of separating grains from chaff is known as:
( A ) threshing
( B ) harvesting
( C ) winnowing
( D ) transplantation
Ans – ( A )
47.Wheat and gram belong to
( A ) rabi crops
( B ) kharif crops
( C ) both of these
( D ) none of these
Ans – ( A )
48.The process of cleaning grains from chaff is known as:
( A ) freshing
( B ) harvesting
( C ) winnowing
( D ) transplantation
Ans – ( C )
49.Examples of kharif crops are
( A ) wheat and maize
( B ) gram and maize
( C ) paddy and maize
( D ) all of these
Ans – ( C )
50.Growing of legume crop in between wheat crops is called:
( A ) crop improvement
( B ) crop rotation
( C ) mixed cropping
( D ) none of these
Ans – ( B )
51.2,4-D is a
( A ) pesticide
( B ) insecticide
( C ) fungicide
( D ) weedicide
Ans – ( D )
52.Agriculture can be defined as:
( A ) art of growing vegetables
( B ) art of growing fruits
( C ) art of growing flowers
( D ) all of these
Ans – ( D )
53.Which of the following nutrients replenishes the soil after growing leguminous plants?
( A ) Nitrogen
( B ) Oxygen
( C ) Phosphorus
( D ) Potassium
Ans – ( A )
54.Pesticides are used to destroy:
( A ) pests
( B ) weeds
( C ) crops
( D ) none of these
Ans – ( A )
55.The management of rearing of animals for food and other products is known as
( A ) granaries
( B ) animal husbandry
( C ) poultry
( D ) warehouse
Ans – ( B )
56.is an organic matter.
( A ) manure
( B ) fertilizer
( C ) weedicide
( D ) pesticide
Ans – ( A )
57.Weeds can be removed by using
( A ) pesticides
( B ) fungicides
( C ) weedicides
( D ) bactericides
Ans – ( C )
58.‘Silos’ are used to:
( A ) grow crops in the fields
( B ) protect grains from pests like rats and insects
( C ) storage damaged grains
( D ) none of these
Ans – ( B )