Deficiency of ___________ causes yellowing in plants?

Related Mcqs:

1. Deficiency of which of the following causes chlorosis__________________?

   A. Nitrogen
   B. Magnesium
   C. Iron
   D. Both A and B

2. Strong chlorosis is due to the deficiency of _____________ in plants?

   A. Magnesium
   B. Nitrogen
   C. Potassium
   D. Phosphorus

3. Stunted growth of roots is due to the deficiency of____________in plants?

   A. Potassium
   B. Magnesium
   C. Phosphorus
   D. Iron.

4. Of the following, which one causes higher production of food in green plants?

   A. Blue
   B. Orange
   C. Red
   D. Violet

5. Abscisic acid promotes flowering in short day plants and inhibits in long day plants, which of the following is antagonistic to abscisic acid in terms of flowering______________?

   A. Gibberellins
   B. Cytokinins
   C. Auxins
   D. Ethene.

6. Epiphytes are plants which depend on other plants for________?

   A. food
   B. mechanical support
   C. shade
   D. None of these

   Submitted by: Tauqeer Ahmad Rajput

7. Scurvy and beri – beri and caused by the deficiency of___________?

   A. Vitamin B and C
   B. Vitamin B and D
   C. Vitamin C and B
   D. Vitamin A and B

8. Complex symptoms like severe pneumonia vascular tumor sudden weight loss swollen lymph nodes and immune deficiency are features of:

   A. Polio
   B. Hepatitis
   C. AIDS
   D. HIV

9. Deficiency of K+ causes_____________?

   A. Stunted growth & strong chlorosis
   B. No electron transport chains
   C. Premature death of leaves
   D. Stunted growth of roots

10. Which of the follwing is a childhood disease resulting from nutritive Ca2+ deficiency?

    A. Hypocalcaemia Tatanic spasms.
    B. Osteomalacis.
    C. Rickets.
    D. Tetany