EASY
UPSC CAPF AC Paper - I
IMPORTANT
Earn 100

Statement I Zonal system of soil classification is based on assumed origin of soil and thus genetic.
Statement II USDA system of soil classification is based on observable properties of soil and thus descriptive.
Which among above statements is/are true?

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Important Questions on World Geography

MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 4 - World Geography>Exercise 6>Q 97
Match the following
        List I                              List II
(USDA Classification)     (Zonal System)
1. Entisols                       A. Alluvial soils
2. Vertisols                      B. Grumusol
3. Spodosols                   C. Podzols
4. Oxisols                        D. Latisols
Codes
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 4 - World Geography>Exercise 6>Q 98
Statement I Mechanical transfer of minerals from soil horizon e.g., by rain, downwards is called eluviation.
Statement II Chemical transfer of minerals from soil horizon is called leaching.
Codes
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 4 - World Geography>Exercise 6>Q 99

Statement I Mor, Moder and Mull are different type of soil.
Statement II Time span acting on humus, alters its chemical property.
Codes

EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 4 - World Geography>Exercise 6>Q 100
Statement I Munsell colour system is used to describe characteristics of soil.
Statement II Okta is graphical representation of covering of sky by clouds.
Codes
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 4 - World Geography>Exercise 6>Q 101
1. Clay minerals forming soil colloids are negatively charged and helps in base exchange.
2. Soil colloids are essentially nonorganic in nature.
3. Texture determines water retention properties of soil.
4. In clayey soils, pore spaces are lange and water drains rapidly.
Choose the correct statement from the codes given below
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 4 - World Geography>Exercise 6>Q 102

Match the following
   List I                                           List II
(Team)                                       (Definition)
A. Vernalisation     1. Heat needed by plants to germinate
B. Aestivation        2. Transitional zone in biomes working overlap rather than boundary
C. Ecotone            3. State of inactively adopted by desert animals during not season
D. Wilting              4. Moisture loss being more than uptake by the plant roots
Codes

EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 4 - World Geography>Exercise 6>Q 103
Assertion (A) The profile of podzol soils is best developed.
Reason (R) They develop in coniferous forest belt.
Codes
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 4 - World Geography>Exercise 6>Q 104
Assertion (A) Laterites have a low fertility.
Reason (R) High rainfall helps in leaching out of minerals.
Codes