Pollen grains in pinus have __________ for dispersal through wind?

Related Mcqs:

1. Pinus Taxus and Picea belong to_________________?

   A. Spheospsida
   B. Filicineae
   C. Gymnosperms
   D. Angiosperms

2. In life cycle of Pinus megaspores produced by megasporangium divide into 4 megaspores by__________________?

   A. Mitosis
   B. Meiosis
   C. Both depending upon the conditions
   D. None of these

3. About __________ of the body weight of a mammal is water ?

   A. 60%
   B. 65%
   C. 70%
   D. 75%

4. __________ is essential for the formation of hemoglobin.

   A. Calcium
   B. Iron
   C. Water
   D. Carbohydrates

5. The one which can tolerate highest external osmotic pressure is __________?

   A. Algae
   B. Amoeba
   C. Fungi
   D. Bacteria

6. Nodules on roots of leguminous plants have __________ bacteria?

   A. Anaerobic
   B. Nitrogen fixing
   C. Nitrifying
   D. Ammonifying

7. In Anaerobic respiration only __________ % of the energy present within the chemical bond of glucose is converted into ATP?

   A. 1%
   B. 2%
   C. 3%
   D. 4%

8. Stomatal transpiration is __________ of total transpiration

   A. 90%
   B. 91%
   C. 93%
   D. 95%

9. Deficiency of vitamin C will cause:__________?

   A. Beri-Beri
   B. Architis
   C. Scurvy
   D. Night-blindness

   Submitted by: Nimra Shah

10. Path of Blood present in vessels called __________?

    A. Capillaries
    B. Lumen
    C. Platelates
    D. Plasma

    Submitted by: Imtiaz Ali Noonari