Cross breeding between different genera is
intervarietal
interspecific
intrageneric
intergeneric
Soil includes the decayed remains of organisms known as
sand
humus
compost
clay
What does G.M.O stand for ?
Genetically Modified Organism
Growth Maturity Offspring
Gold Medal Order
Good Maturing Offspring
What are the three primary nutrients neede for plant growth?
Calcium, sulphur and magnesium
Nitrogen, phosphorus and potassium
Zinc, boron and copper
None of these
To solve the food problem of the country, which among the following is necessary ?
Increased production and storage of food grains
Easy access of people to the food grain
People should have money to purchases the grains
All of the above
Which of the following includes only weeds?
Chenopodium, sunflower and triticale
Amaranthus, chenopodium nad convolvulus
Convolvulus, barseem and paddy
Amaranthus, convolvulus and sunflower
Removal of top soil by wind and water is called
soil conservation
soil binding
soil erosion
all of the above
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)
( ii ) and ( iv)
( ii ) and ( iii )
( iii ) and ( iv )
Hybrid is
homozygous dominant
homozygous recessive
heterozygous
mutant
Find out the correct sentence about manure:
( i ) Manure contains large quantities of organic matter and small quantities of nutrients. ( ii ) It increases the water holding capacity of sandy soil. ( iii ) It helps in draining out of excess of water from clayey soil. ( iv ) Its excessive use pollutes environment because it is made of animal excretory waste.
( i ) and ( iii )
( i ) and ( ii )
