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