The major viral disease of cotton is____________________?
A. Cotton boll rot virus B. Cotton stem crinkle virus C. Cotton leaf curl virus D. None of the above
Agriculture MCQs
Which one of the following is polyphagus insect__________________?
A. American boll worm B. Whitefly C. Aphids D. A
Leaf spot or tikka is the disease of____________________?
A. Soybean B. Sunflower C. Ground nuts D. none of these
Gummosis is the disease of_________________?
A. Mango B. Guava C. Citrus (Lemon) D. none
Blast disease is an international disease of________________?
A. Wheat B. Sugarcane C. Cotton D. rice
Organo-chlorine insecticides includes___________________?
A. DDT B. Aldrin and Diehydrin C. Aindone and Heptachlor D. All the above
The insecticides with longest residual effect belongs to___________________?
A. Pyrethroid B. Carbamates C. Organo-chlorine D. Organio-phosphate
Formulation or insecticides is__________________?
A. Dust B. EC C. Granular D. Fungiments
The economic injury level for white fly is________________?
A. 1-2 nymphs/leaf B. 2-3 nymphs/leaf C. 3-4 nymphs/leaf D. 1 nymphs/leaf
The entrance point for air in insects are known as _________________?
A. Trachea B. Spines C. Secretion D. Nervous system