Citrus is divided into three genera, citrus, poncirus and fortunate by______________________?

Related Mcqs:

1. Poncirus sweet orange is the hybrid cross of __________________?

   A. Tangelos
   B. Citranges
   C. Limequats
   D. All the above

2. Poncirus sweet orange is the hybrid cross of_________________?

   A. Tangelos
   B. Citranges
   C. Limequats
   D. All the above

3. Main factors affecting production and quantity of citrus is___________________?

   A. Temperature
   B. Humidity
   C. Rainfall
   D. All the above

4. Citrus root stock seeding are ready for budding after_____________________?

   A. 6 months
   B. 9 months
   C. 01 months
   D. 02 months

5. Nitrogen requirement for citrus plant per year is___________________?

   A. 1 Kg
   B. 1-1.5Kg
   C. 2Kg
   D. 4Kg

6. Citrus has its origin in____________________?

   A. Indo- Chinese region
   B. Africa
   C. South America
   D. Middle east

7. Citrus orchards are usually planted in___________________?

   A. Square system
   B. Quineunx system
   C. Rectangular system
   D. None of the above

8. In California the age of citrus tree is____________________?

   A. 70 years
   B. 80-90 years
   C. 75-100 years
   D. 40 years

9. Degreening of citrus fruit is achieved by the use of_____________________?

   A. Ethrel
   B. Ethepone
   C. Ethylene
   D. Cytokinine

10. Citrus canker is a disease caused by ___________________?

    A. Virus
    B. Nematode
    C. Fungi
    D. Bacteria