Root nodules in plant help in__________________?

Related Mcqs:

1. Root nodules in plants help in___________________?

   A. Photosynthesis
   B. aeration
   C. Nitrogen fixation
   D. Respiration

2. The root of cotton plant goes up to depth of_________________?

   A. 2-3 ft
   B. 4-6 ft
   C. 8-10 ft
   D. non of these

3. The harmful influence of one living plant on another living plant by the secretion of a toxic substance is called________________?

   A. Allergy
   B. Allelopathy
   C. Parasitism
   D. Antagorusm

4. England cotton was imported from the time in__________________?

   A. 1430 AD
   B. 1435 AD
   C. 1530 AD
   D. 1500 AD

5. Gassypium barbadense was originated in__________________?

   A. Central and North America
   B. Central and South America
   C. Central and South Asia
   D. North Mexico and North America

6. Mesophytes are grown in__________________?

   A. Dry condition
   B. Moist places
   C. Desert area
   D. None of the above

7. Root rot of cotton is a_________________?

   A. Bacterial disease
   B. Viral disease
   C. Fungal disease

8. Annual rye grass releases a chemical through its root that prevents________________?

   A. Crop seeds
   B. weed seed
   C. Both a and b
   D. non of these

9. Causal organism of root rot of cotton is_____________________?

   A. Rhizoeionia solani
   B. Rhizoctonia bataticola
   C. Both of them

10. Part of embryonic axis which develops into root is called___________________?

    A. Plumule
    B. Radicle
    C. Coleoptile
    D. Coleorluza