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)
Poultry fowl are susceptible to the following pathogens
Viruses
Bacteria
Fungi
All of the above
Which of the following is a natural manure?
nitrogen cake
phosphorus maure
ground water cake
carbon manure
Which one is not a source of carbohydrate?
Rice
Millets
Sorghum
Gram
Soil erosion is caused by
water
wind
poor farming practices
all of these
What should you use to control dicot weeds in a cornfield?
Cytokinins
Abscissic acid
2,4 dichloro phenoxy acetic acid
Gibberellins
Bee- keeping is done for
honey
wax
both a and b
none of these
Find out the correct sentence:
( i ) Hybridisation means crossing between genetically dissimilar plants ( ii ) Cross between two varieties is called as inter specific hybridisation ( iii) Introducing genes of desired character into a plant gives genetically modified crop. ( iv ) Cross between plants of two species is called as inter varietal hybridisation.
( i) and ( iii)
( iii ) and ( iv )
When soil pH is low, which of the following elements can become toxic to plants?
Oxygen
Carbon
Nitrogen
Aluminium
