The toxicity level of Zn (mg/kg) in plants suggested by some workers is___________________?

Related Mcqs:

1. The deficient level of N (%) in plants suggested by various workers is____________________?

   A. 0% B. 3% C. 5% D. 10%...

2. After self pollination of red flowered plants out of 40 plants of progeny were white flowered. this indicates that the plants are__________________?

   A. Heterogeneous B. Heterozygous C. Homogenous D. Homozygous...

3. Urea Toxicity is also called ______________________?

   A. NH3 Toxicity B. Urine Toxicity C. Blood Toxicity D. None of above...

4. The dominance of acidity creates toxicity?

   A. Mo B. Al C. Zn D. Mg Submitted by: Mir Mehrbiyar...

5. Previously Essential nutrients required for the growth of plants were sixteen. In recent time the essential nutrients required for the growth of plants are:_________?

   A. 16 B. 17 C. 18 D. None of the above Submitted by: Shafiq Rehman...

6. The EC: SAR and RSC values suggested by WAPDA for 3rd class irrigation water(C,S,R,) are____________________?

   A. ECi:<1.5, SAR < 10 & RSC< 2.5 B. ECi:>1.5, SAR > 10 & RSC> 2.5 C. ECi:>1.5, SAR 2.5 D. Both a & b...

7. Generally speaking, only level to nearly level (0-2 % slope) & gently sloping lands (2-5 % slope) should be:

   A. brought under range crops B. Forests C. Both a & b D. None of the above Submitted by: Shafiq-ur-Rehman...

8. Discriminant function of plant selection was suggested by____________________?

   A. Smith (1936) B. Yates (1947) C. Griffing (1956) D. Kempt Horne (1957)...

9. Top cross was first suggested by__________________?

   A. Simmonds (1979) B. East (1908) C. Davenport (1908) D. Davis (1927)...

10. The exact chemical formula of DAP fertilizer is___________________?

    A. (NH2) HPO4 B. NH4H2PO4 C. NH4H2PO4 D. Both a & c...