The size of stomata is measured by___________________?

Related Mcqs:

1. In spinach cross pollination takes place by___________________?

   A. Water
   B. Birds
   C. Hybridization
   D. Wind

2. Common varieties of rose are developed by___________________?

   A. Grafting
   B. Layering
   C. Budding
   D. Cutting

3. Propagation of guava is done by___________________?

   A. Cutting
   B. Suckers
   C. Layering
   D. Scoin

4. In apple wool aphid is genetically controlled by___________________?

   A. 2 D
   B. ID
   C. 2d
   D. Id

5. Carbohydrates are separated by___________________?

   A. Gas liquid chromatography
   B. Infra-red spectrophotometer
   C. Flame photometry
   D. Paper chromatography

6. Concept of combining ability as measure of gene action was first proposed by___________________?

   A. Sprague and Tatum (1942)
   B. Cavalli (1952)
   C. Mather (1956)
   D. Wright (1951)

7. Heterosis can be fixed by___________________?

   A. Apomixis
   B. Polyploidy
   C. Asexual reproduction
   D. All the above

8. Male sterility in flowering plant was first reported by___________________?

   A. Stout (1917)
   B. Koelreuter (1763)
   C. Brewbaker (1810)
   D. Gerstel (1900)

9. Theory of mutation was given by___________________?

   A. Mendel
   B. De Vries
   C. Tschermak
   D. Watson

10. Perfect hardness of any mineral is determined by___________________?

    A. Mho’s scale
    B. pH scale
    C. Foot scale
    D. None of the above