Element responsible pollen grain of plant__________?

Related Mcqs:

1. The seventieth element included in the list of essential nutrient element is:__________?

   A. Vanadium
   B. Cobalt
   C. Sodium
   D. Nickle

   Submitted by: Shafiq Rehman

2. Extrusive rocks are also called as ___________ in which the grain or crystalline structure is too fine to be seen by the unaided eye?

   A. Volcanic Rock
   B. Igneous Rock
   C. Aphantic Rock
   D. Both A & B

   Submitted by: Amir hameed

3. Which element can be fixed by smecitite___________________?

   A. Mgº
   B. Kº
   C. NH2
   D. Both b & c

4. The nutrient element silicon (Si) is:_________?

   A. Beneficial
   B. Harmful
   C. Both a and b
   D. None of the above

   Submitted by: Shafiq Rehman

5. Which element is known as chemical police man of plant?

   A. Magnesium
   B. Phosphorus
   C. Potassium
   D. All of the above

   Submitted by: Shafiq Rehman

6. Which element is found highest in earth crust?

   A. Aluminum
   B. Silicon
   C. Sodium
   D. None of the above

   Submitted by: Shafiq Rehman

7. Essentiality criteria of an element :

   A. In the absence of an element, its not possible for plant to complete its vegetative cycle.
   B. The role played by an element is specific & can not be replaced by another element.
   C. The element is directly involved in the nutrition of the plant.
   D. All of these

   Submitted by: Shafiq Rehman

8. Which rock is harder_________________?

   A. Metamorphic
   B. Sedimentary
   C. Igneous
   D. Sand stone

9. Thickness of Dikes ranges from___________________?

   A. 2-10 m
   B. Few m 10 m
   C. Few cm 10 cm
   D. 10-12 cm

10. During decomposition of organic matter, inititial decomposition is dominated by:__________?

    A. Actinomycetes
    B. Bacteria
    C. Fungi
    D. Both B & C

    Submitted by: Shafiq Rehman