Which one is most dangerous insect of cotton crop?

Related Mcqs:

1. Disease and insect resistance is governed by________________?

   A. Plasma genes
   B. Polygenes
   C. Oligogenes
   D. All the above

2. In wheat, example of durable insect resistance includes resistance to___________________?

   A. Green bugs
   B. Stem saw fly
   C. Hessian fly
   D. All the above

3. Chemicals, used for controlling the disease of crops, fruits & vegetables is___________ & chemical prepared for controlling insect-pests ——————-:

   A. Insecticides—Herbicides
   B. Fungicides—Insecticides
   C. Weedicides—insecticides
   D. None of the above

   Submitted by: Shafiq Rehman

4. In cotton, jassids have non preference for______________________?

   A. Fregobract
   B. Okra leaves
   C. Smoothness leaves
   D. Hairiness of leaves

5. Cotton fiber are made up of___________________?

   A. Cellulose
   B. Starch
   C. Fates
   D. Protein

6. In cotton, zn deficiency is known as_________?

   A. Fern leaf
   B. Mottle leaf
   C. Little leaf
   D. None of these

   Submitted by: Shafiq Rehman

7. A compound toxic to crop formed by the thermal decomposition of urea is_________________?

   A. Uric acid
   B. Biurct (NH2CONH CONH2 H2O)
   C. Diuret
   D. Both b & c

8. Which of the following crop takes N in ammonical form:

   A. Wheat
   B. Cotton
   C. Rice
   D. Mustard

   Submitted by: Shafiq Rehman

9. The major soil fertility problems in Pakistani soils deficiencies of N, P and Zn. Deficiencies K, Fe, and B also occur in specific crop genotypes or soil types, while deficiencies of S, Cu, and Mn are negligible. however, the common nutrient deficiencies are_________________: and some micronutrients including Mo?

   A. N, P, K
   B. Ca, Mg, S
   C. both A & B
   D. The above statement is wrong

   Submitted by: Shafiq Rehman

10. Which one is a non-convential oil seed crop?

    A. Ground nut
    B. Safflower
    C. Gingelley
    D. None of the above

    Submitted by: Shafiq Rehman