Consider the following statements:
Alluvial soils are found in deltas and river valleys of peninsular India.
They are rich in phosphorus and poor in potash.
Consider the following statements regarding red and yellow soils:
They are generally found in regions of high rainfall and low temperature.
They are poor in nitrogen, phosphorus, and humus.
Khadar is younger, found in floodplains and replenished annually.
Bhangar is older alluvium, less fertile and found away from floodplains.
Consider the following statements:
Peaty soils are poor in organic matter.
Peaty soils are found in Bihar, Uttarakhand, and coastal Odisha.
Consider the following statements regarding laterite soils:
These soils are the result of high leaching under tropical rains.
They are unsuitable for cultivation of crops like cashew, rubber and coffee.
Which of the following statements are correct?
Forest soils are generally acidic in hill areas.
Forest soils are rich in humus due to leaf litter.
Forest soils are ideal for cereals without any treatment.
Consider the following statements:
Red soil appears yellow when hydrated.
Red soils are formed on metamorphic rocks under high rainfall.
Red soils are rich in humus and nitrogen.
Which of the following statements are true regarding saline soils?
They are infertile due to high salt content.
They are more widespread in Rajasthan than Gujarat.
Gypsum is used to reduce soil salinity in Punjab and Haryana.
Which of the following statements are correct?
Laterite soils are rich in aluminium and iron oxides.
They are well suited for growing rice and wheat in high rainfall areas.
They are formed due to leaching in tropical conditions
Which of the following statements are correct?
Black soils are rich in nitrogen and organic matter.
Black soils are formed due to weathering of igneous rocks.
Black soils are unsuitable for cotton cultivation.
Match the soil types with their properties:
Red and Yellow Soil | High capacity to retain moisture |
Black Soil | Diffusion of iron in metamorphic rocks |
Arid Soil | Result of intense leaching in tropical areas |
Laterite Soil | Saline in nature and sandy texture |
Which of the following statements regarding laterite soils of India are correct? Select the correct answer using the codes given below. (UPSC Civil Services Preliminary Examination- 2013)
താഴെ പറയുന്നവയിൽ ശരിയായ പ്രസ്താവനകൾ ഏവ?
(i)പുതിയ എക്കൽ നിക്ഷേപങ്ങളെ 'ഖാദർ' എന്ന് അറിയപ്പെടുന്നു
(ii) കറുത്ത മണ്ണിനെ 'റിഗർ' എന്നു വിളിക്കുന്നു
(iii) കറുത്ത മണ്ണിന് ഈർപ്പം വഹിക്കുന്നതിനുള്ള കഴിവ് കുറവാണ്
(iv) എക്കൽ മണ്ണിന് ഫലപുഷ്ടി കുറവാണ്
ശരിയായ പ്രസ്താവനകൾ ഏതൊക്കെ?
1) 'റിഗർ' എന്നറിയപ്പെടുന്ന കറുത്ത മണ്ണ് പരുത്തി കൃഷിക്ക് അനുയോജ്യമാണ്
2) ആഗ്നേയശിലകൾ മാഗ്മ തണുത്തുറഞ്ഞ് ഉണ്ടാകുന്നതാണ്
3) നയിസ്, മാർബിൾ എന്നിവ കായാന്തരിതശിലകൾക്ക് ഉദാഹരണമാണ്
4) പെട്രോളിയം, കൽക്കരി എന്നിവ കാണപ്പെടുന്നത് അവസാദശിലകളിലാണ്