Properties of clay are:

Related Mcqs:

1. Properties of silts are:

   A. Intermediate in size between sand and clay
   B. Powdery feeling
   C. More plasticity than sand
   D. All of the above

2. Properties of ‘Sand Particles’ are:

   A. Composed of mineral quartz
   B. Larger is size
   C. Have large pores due to which they
   D. Do not retain water/nutrients
   E. All of the above

3. Physical properties which are subjected to change by silvicultural operations are:

   A. Soil structure
   B. Soil texture
   C. Porosity
   D. Soil colour
   E. All of the above

4. Soils are classified on the basis of physical properties which determine:

   A. Productive capacity
   B. Supporting power
   C. Monitor storage capacity
   D. Nutrients availability
   E. All of the above

5. Mark the plant showing insecticidal properties:

   A. Ocimum basilicum
   B. Azadirachta indica
   C. Both (a) & (b)
   D. Dalbergia sissoo

6. Which of the following plants shows insecticidal properties

   A. Riccinus communis
   B. Iberis amara
   C. Cynodon dactylon
   D. All of these

7. Geology is the study of earth. Earth’s crust is divided into:

   A. Ocean
   B. Continents
   C. Both (a) & (b)
   D. None of these

8. The functions of soil structure are:

   A. Key to fertility of soil
   B. Important factor in soil erosion
   C. Both (a) & (b)
   D. None of these

9. The development of soil structure from single grained or massive states conditions:

   A. Single grained: Where each soil particles function as an individual e.g. Sandy soil
   B. Massive: Clay fills the spaces and pores so that the soil becomes dense and forms clods
   C. Both (a) & (b)
   D. None of these

10. The word Soil means:

    A. Natural body which is composed of a mixture of organic and inorganic matter in which plants and other living organism grow
    B. The unconsolidated mineral material on the surface of earth that serves as natural medium for land plants
    C. Both (a) & (b)
    D. None of these