Biochemical reduction of nitrate to nitrite or gaseous nitrogen is called ________________________?

Related Mcqs:

1. Which bacteria convert nitrite to nitrate___________________?

   A. Frankia
   B. Nitrobacter
   C. Pseudomonas
   D. None of the above

2. Nitrogen & sulphur dioxide liberate from motor vehicles & industries. Nitrogen & Sulphur gases dissolve in the water vapour of atmosphere & form nitric & sulphuric acid. This rain water falls on soil as__________ & contaminates soil also:

   A. Acid rain
   B. Neutral rain
   C. Both A & B
   D. None of the above

   Submitted by: Shafiq Rehman

3. Reduction in climatic temperature causes reduction in fruit parameters such as__________________?

   A. Respiration
   B. Change in texture
   C. Loss of vitamin C
   D. All the above

4. Potassium nitrate is used in__________?

   A. Medicine
   B. Fertilizer
   C. Salt
   D. Glass

   Submitted by: Farjan Ahmed Soomro

5. An adult female sheep is also called ________________________?

   A. Hog
   B. Lamb
   C. Ewe
   D. Doe

6. Male ass is called ________________________?

   A. Jackass
   B. Burro
   C. Bray
   D. Jennet

7. Expulsion of the foetus from the uterus earlier than the usual duration of pregnancy is called ________________________?

   A. Abortion
   B. Expulsion
   C. Removal
   D. None of above

8. A female goat is also called ________________________?

   A. Buck
   B. Doe
   C. Ram
   D. None of above

9. One day old female chick is called ________________________?

   A. Chick
   B. Pullet
   C. Cockerel
   D. Hen

10. Change in body temperature with in 24 hrs is called ________________________?

    A. Acclimation
    B. Circadian
    C. Acclimatization
    D. Heat lost