A. Organo-chlorine pesticides
B. Pyrethroids
C. Growing resistant varieties
D. None of the above
Related Mcqs:
- Viral disease can be controlled by __________________?
A. Fungicides
B. Cultural practices
C. Cultural practices and growing resistant varieties
D. Can not be controlled - 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 - Blast disease is an international disease of________________?
A. Wheat
B. Sugarcane
C. Cotton
D. rice - Fungi damage our crops by_________________?
A. Producing toxic substances in plants
B. Destroying green pigment of plant
C. feeding on flowers and fruits
D. Absorption of nutrients from plant tissues - The sucking type insects pesis are controlled by________________?
A. Chlorinated hydrocarbons
B. Pyrethroids
C. Organo-phosphatcs
D. Botanical pesticides - Club root is disease of____________________?
A. Tumip
B. Okra
C. Water melon
D. Cabbage - Which of the following is disease of rice____________________?
A. Foot rot
B. Brown spot Ratti disease
C. Rice blast
D. All the above - The major disease of matter (field pea) is____________________?
A. Blight
B. Downy mildew
C. Powdery mildew
D. None - 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
