Soils And Topography MCQs

Option A: Natural body which is composed of a mixture of organic and inorganic matter in which plants and other living organism grow

Option B: The unconsolidated mineral material on the surface of earth that serves as natural medium for land plants

Option C: Both (a) & (b)

Option D: None of these

Correct Answer: Both (a) & (b) ✔

Option A: Productive capacity

Option B: Supporting power

Option C: Monitor storage capacity

Option D: Nutrients availability

Correct Answer: All of the above ✔

Option A: Soil structure

Option B: Soil texture

Option C: Porosity

Option D: Soil colour

Correct Answer: All of the above ✔

Option A: Water holding capacity

Option B: Aeration

Option C: Porosity

Option D: Heat transfer

Correct Answer: All of the above ✔

Option A: Basis: The classification of soil structure is based on size shape and stability of soil aggregates. The soil aggregate may be of following forms

Option B: Major shape: Spheroidal, plate like, bloke like, prism like

Option C: Both (a) & (b)

Option D: None of these

Correct Answer: Both (a) & (b) ✔

Option A: Single grained: Where each soil particles function as an individual e.g. Sandy soil

Option B: Massive: Clay fills the spaces and pores so that the soil becomes dense and forms clods

Option C: Both (a) & (b)

Option D: None of these

Correct Answer: Both (a) & (b) ✔

Option A: Key to fertility of soil

Option B: Important factor in soil erosion

Option C: Both (a) & (b)

Option D: None of these

Correct Answer: Both (a) & (b) ✔

Option A: Course textured soil (more sand particles)

Option B: Medium textured soil (qual proportion of very fine sand, silt and clay)

Option C: Fine textured soil (silt and clay)

Option D: All of the above

Correct Answer: All of the above ✔

Option A: Composed of mineral quartz

Option B: Larger is size

Option C: Have large pores due to which they

Option D: Do not retain water/nutrients

Correct Answer: All of the above ✔

Option A: Intermediate in size between sand and clay

Option B: Powdery feeling

Option C: More plasticity than sand

Option D: All of the above

Correct Answer: All of the above ✔

Option A: Fine textured

Option B: Highly plasticity

Option C: Have low drainage

Option D: All of the above

Correct Answer: All of the above ✔

Option A: Mixture of sand, silt and clay

Option B: Which exhibit light and heavy properties in equal proportions

Option C: Both (a) & (b)

Option D: None of these

Correct Answer: Both (a) & (b) ✔

Option A: Medium of plant growth

Option B: Impact on stand density

Option C: Impact on ground cover

Option D: Composition of forest

Correct Answer: All of the above ✔

Option A: Ocean

Option B: Continents

Option C: Both (a) & (b)

Option D: None of these

Correct Answer: Both (a) & (b) ✔

Option A: Soil formation

Option B: Geology helps to suggest forest trees

Option C: Anchorage effect

Option D: Root wedging

Correct Answer: All of the above ✔

Option A: The partially decayed

Option B: Resynthesized plant

Option C: Animal residues

Option D: All of the above

Correct Answer: All of the above ✔

Option A: Soil depth

Option B: Climatic situation

Option C: Both (a) & (b)

Option D: None of these

Correct Answer: Both (a) & (b) ✔

Option A: Primary

Option B: Secondary

Option C: Both (a) & (b)

Option D: None of these

Correct Answer: Both (a) & (b) ✔

Option A: Provide N.P.S.

Option B: Increase water holding capacity of soil

Option C: Reduce impact of falling rain drops

Option D: Source of energy for micro-organisms

Correct Answer: All of the above ✔