Inbreeding is carried out in animal husbandry because it
increases vigour
improves the breed
increases heterozygosity
increases homozygosity
Sonalika and Kalyan Sona are varieties of
wheat
rice
millet
tobacco
Which one of the following is not a fungal disease?
Rust of wheat
Smut of bajra
Black rot of crucifers
Red rot of sugarcane
In virus-infected plants the meristematic tissues in both apical and axillary buds are free of virus because
the dividing cells are virus resistant
meristems have antiviral compounds
the cell division of meristems are faster than the rate of viral multiplication
viruses cannot multiply within meristem cell(s)
Several South Indian states raise 2-3 crops of rice annually. The agronomic feature that makes this possible is because of
shorter rice plant
better irrigation facilities
early yielding rice variety
disease resistant rice variety