Mechanisms of material uptake by plants is by____________________?

Related Mcqs:

1. In acidic soil which form of phosphorus uptake by plants?

   A. Primary orthophosphate
   B. Secondary orthophosphate
   C. Both
   D. None of these

   Submitted by: gmsyed

2. In alkaline soil which form of phosphorus uptake by plants?

   A. Primary orthophosphate
   B. Secondary orthophosphate
   C. both
   D. None of these

   Submitted by: gmsyed

3. 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

4. DNA is genetic material was first discovered by____________________?

   A. Attmann (1889)
   B. Crick (1953)
   C. Sressler (1968)
   D. Avery et al (1944)

5. In which form plant uptake phosphorus?

   A. H2po4
   B. HPO4-2
   C. Both
   D. Non of these

   Submitted by: gmsyed

6. 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

7. Concept of triple test cross of analysis was developed by____________________?

   A. Kearsey and Jinks (1960)
   B. Mather (1949)
   C. Anderson (1957)
   D. Fisher (1960)

8. The term heterosis was coined by____________________?

   A. Hull (1945)
   B. Bruce (1910)
   C. East (1908)
   D. Shull (1914)

9. Gamatophytic system of self incompatibility was first discovered by____________________?

   A. Frankel (1977)
   B. Bresbaker (1958)
   C. Hughes and Babceek
   D. East and Mangelsdref (1925)

10. The artificial vegetative production is done by____________________?

    A. Grafting
    B. Budding
    C. Layering
    D. All the above