Which of the following is a fish with fins?
Oyster
Tuna
Mullets
Bombay duck
Growing two or more crops in the same land is called
intra cropping
inter cropping
mixed cropping
ultra cropping
Which of the following are exotic breeds?
( i ) Brown ( ii ) Jersey ( iii ) Brown Swiss ( iv ) Jersey Swiss
( i ) and (iii)
( ii ) and ( iii )
( i ) and ( iv )
( ii ) and ( iv)
Preventive and control measures adopted for the storage of grains include
Strict cleaning
Proper disjoining
Fumigation
All of the above
Plants can be made disease resistant by
breeding
weeding
spraying pesticide
irrigation
Which of the following is a synthetic substance?
Farm yeard manure
Compost
Vermicompost
Fertilizer
The crop commonly used for crop rotation is
legume
cereal
vegetables
all of these
The major constituent of animal feed apart from water is
grain mixture
minerals
antibiotics
roughage
A measure of the acidity or alkalinity of the soil is called ?
Leaching
Soil test
Soil pH
None of these
The herbicide that controls weeds is
2,4 -D
atrazine
isoproturon
all of the above
