Part of embryonic axis which develops into root is called___________________?

Related Mcqs:

1. Pulling of off- type plants from a cropped field is called___________________?

   A. Rouging
   B. Weeding
   C. Pruning
   D. None of the above

2. When crop plants adopt to a new environment are called___________________?

   A. Accaumatization
   B. Domestication
   C. Selection
   D. Introduction

3. The transport of a substance across a biological membrane against a concentration gradient is called___________________?

   A. Passive transport
   B. Active transport
   C. Absorption
   D. Dissolution

4. When the course of water is blocked at some places if is called___________________?

   A. Lake
   B. Dam
   C. River
   D. Head works

5. Root rot of cotton is a_________________?

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

6. 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

7. Root nodules in plants help in___________________?

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

8. 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

9. Causal organism of root rot of cotton is_____________________?

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

10. Root nodules in plant help in__________________?

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