Question: The major viral disease of cotton is____________________?

• 1. Cotton boll rot virus
• 2. Cotton stem crinkle virus
• 3. Cotton leaf curl virus
• 4. None of the above

Question: Which one of the following is polyphagus insect__________________?

• 1. American boll worm
• 2. Whitefly
• 3. Aphids
• 4. A

Question: Leaf spot or tikka is the disease of____________________?

• 1. Soybean
• 2. Sunflower
• 3. Ground nuts
• 4. none of these

Question: Gummosis is the disease of_________________?

• 1. Mango
• 2. Guava
• 3. Citrus (Lemon)
• 4. none

Question: Blast disease is an international disease of________________?

• 1. Wheat
• 2. Sugarcane
• 3. Cotton
• 4. rice

Question: Organo-chlorine insecticides includes___________________?

• 1. DDT
• 2. Aldrin and Diehydrin
• 3. Aindone and Heptachlor
• 4. All the above

Question: The insecticides with longest residual effect belongs to___________________?

• 1. Pyrethroid
• 2. Carbamates
• 3. Organo-chlorine
• 4. Organio-phosphate

Question: Formulation or insecticides is__________________?

• 1. Dust
• 2. EC
• 3. Granular
• 4. Fungiments

Question: The economic injury level for white fly is________________?

• 1. 1-2 nymphs/leaf
• 2. 2-3 nymphs/leaf
• 3. 3-4 nymphs/leaf
• 4. 1 nymphs/leaf

Question: The entrance point for air in insects are known as _________________?

• 1. Trachea
• 2. Spines
• 3. Secretion
• 4. Nervous system