Soils & Natural Vegetation PYQs
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Prelims 2023 – 1997 · page 1 of 2Tap an option to check it. For one question at a time, use Start practice above.
Consider the following trees :
1.Jackfruit (Artocarpus heterophyllus)2.Mahua (Madhuca indica)3.Teak (Tectona grandis)How many of the above are deciduous trees?
Consider the following statements :
Statement–I :
The soil in tropical rain forests is rich in nutrients.
Statement–II :
The high temperature and moisture of tropical rain forests cause dead organic matter in the soil to decompose quickly.
Which one of the following is correct in respect of the above statements?
"Leaf litter decomposes faster than in any other biome and as a result the soil surface is often almost bare. Apart from trees, the vegetation is largely composed of plant forms that reach up into the canopy vicariously, by climbing the trees or growing as epiphytes, rooted on the upper branches of trees." This is the most likely description of
The vegetation of savannah consists of grassland with scattered small trees, but extensive areas have no trees. The forest development in such areas is generally kept in check by one or more or a combination of some conditions. Which of the following are such conditions?
1.Burrowing animals and termites2.Fire3.Grazing herbivores4.Seasonal rainfall5.Soil propertiesSelect the correct answer using the code given below.
The black cotton soil of India has been formed due to the weathering of
Consider the following States :
1.Chhattisgarh2.Madhya Pradesh3.Maharashtra4.OdishaWith reference to the States mentioned above, in terms of percentage of forest cover to the total area of State, which one of the following is the correct ascending order?
With reference to agricultural soils, consider the following statements :
1.A high content of organic matter in soil drastically reduces its water holding capacity.2.Soil does not play any role in the sulphur cycle.3.Irrigation over a period of time can contribute to the salinization of some agricultural lands.Which of the statements given above is/are correct ?
Which one of the following regions of India has a combination of mangrove forest, evergreen forest and deciduous forest?
Consider the following States :
1.Arunachal Pradesh2.Himachal Pradesh3.MizoramIn which of the above States do 'Tropical Wet Evergreen Forests' occur?
In India, in which one of the following types of forests is teak a dominant tree species?
If you travel through the Himalayas, you are likely to see which of the following plants naturally growing there?
1.Oak2.Rhododendron3.SandalwoodSelect the correct answer using the code given below.
In India, the problem of soil erosion is associated with which of the following?
1.Terrace cultivation2.Deforestation3.Tropical climateSelect the correct answer using the code given below.
Contour bunding is a method of soil conservation used in
Which of the following is/are unique characteristic/characteristics of equatorial forests?
1.Presence of tall, closely set trees with crowns forming a continuous canopy2.Coexistence of a large number of species3.Presence of numerous varieties of epiphytesSelect the correct answer using the codes given below.
Which of the following statements regarding laterite soils of India are correct?
1.They are generally red in colour.2.They are rich in nitrogen and potash.3.They are well-developed in Rajasthan and UP.4.Tapioca and cashew nuts grow well on these soils.Select the correct answer using the codes given below.
A particular State in India has the following characteristics :
1.It is located on the same latitude which passes through northern Rajasthan.2.It has over 80% of its area under forest cover.3.Over 12% of forest cover constitutes Protected Area Network in this State.Which one among the following States has all the above characteristics?
Salinization occurs when the irrigation water accumulated in the soil evaporates, leaving behind salts and minerals. What are the effects of salinization on the irrigated land?
A geographic area with an altitude of 400 metres has following characteristics:
Month J F M A M J J A S O N D
Average maximum temp. °C 31 31 31 31 30 30 29 28 29 29 30 31
Average minimum temp. °C 21 21 21 21 21 21 20 20 20 20 20 20
Rainfall (mm) 51 85 188 158 139 121 134 168 185 221 198 86
If this geographic area were to have a natural forest, which one of the following would it most likely be?
With reference to soil conservation, consider the following practices:
1.Crop rotation2.Sand fences3.Terracing4.Wind breaksWhich of the above are considered appropriate methods for soil conservation in India?
In India, which type of forest among the following occupies the largest area?
When you travel in certain parts of India, you will notice red soil. What is the main reason for this colour?
Which one of the following is not essentially a species of the Himalayan vegetation?
Consider the following statements:
1.The forest cover in India constitutes around 20 % of its geographical area. Out of the total forest cover, dense forest constitutes around 40 %.2.The National Forestry Action Programme aims at bringing one-third of the area of India under tree/forest cover.Which of the statements given above is/are correct?
Amongst the following Indian States which one has the minimum total forest cover?
Which one among the following covers the highest percentage of forest area in the world?
With reference to India, which one of the following statements is correct?
Open stunted forests with bushes and small trees having long roots and sharp thorns or spines are commonly found in
Identify the correct order of the processes of soil erosion from the following:
Match List I with List II and select the correct answer using the codes given below the Lists:
List I (Timber)
I.CedarII.Douglas FirIII.MahoganyIV.TeakList II (Country)
A.MyanmarB.CanadaC.MexicoD.HondurasCodes:
Which one of the following pairs is correctly matched?