Samacheer Kalvi 12th Geography – Chapter 3 Resources Book Back Answers:
Samacheer Kalvi 12th Standard New Geography Book Back 1 Mark and 2 Mark Questions with Answers PDF uploaded and available below. Tamil Nadu Class 12 New Syllabus 2022 – Resources Book Back Solutions available for English medium students. TN Samacheer Kalvi 12th Std Geography Book Portion consists of 08 Units. Check Unit-wise and Full Class 12th Geography Book Back Answers/ Guide 2022 PDF format for free Download.
English, Tamil, Maths, Physics, Chemistry, Botany, Zoology, History, Geography, Economics, Political Science, and Commerce Book Back One and Two Mark Questions and Answers available in PDF on our site. Class 12th Geography guide Book Back Answers PDF unit-wise given below for free download and same given below. See below for the TN New class 12th Geography Book Back Questions with Answer PDF:
12th Samacheer Books Geography Book Back Answers PDF:
Tamil Nadu 12th Standard Geography Subject One Mark, Two Mark Guide questions and answers are available below. Check Geography questions for English and Tamil mediums. Take the printout and use it for exam purposes.
12th Samacheer Kalvi Geography- Resources Book Back Answers :
I. Choose the correct answer:
1. Pick out the statement which is untrue about renewable resources.
a) The resources which can always be available for use after their usage.
b) Resources have natural regeneration and are inexhaustible.
c) Air, water, solar energy, etc are examples of renewable resources.
d) Available infinite quantities cannot be obtained once if they are utilized.
2. Identify the one which is untrue about the minerals
a) Minerals generally occur in the cracks, crevices, faults, and joints of the igneous and metamorphic rocks.
b) Mineral in smaller occurrence in the joints of the rocks is called a ‘Vein’.
c) Mineral in a larger occurrence in the joints of the rocks is called a ‘load.
d) When the decomposed rocks are washed away by water, the soluble particles are removed, leaving a mass containing ores. Such occurrences are called residual mass.
3. Consider the following statements and choose the correct answer.
i) Good quality Iron ore is found in Australia, Brazil, Russia, China, USA, Ukraine, Canada, etc.
ii) Russia has the third-largest proven reserves of iron ore in the world.
iii) Australia is the largest producer of Iron ore in the world.
iv) The Majority of Iron ore is (84%) produced by 10 countries alone.
a) i) and ii) only b) i) and iii) only
c) iii) and iv) only d) i) and iv) only
4. Which of the following is incorrectly stated?
a) Saudi Arabia is the largest oil producer in the world.
b) Russia is the second-largest oil producer in the world.
c) India is the 4th largest producer of oil in the world.
d) The Middle East contains 60% of global reserves.
5. Identify the incorrect statement from the following
a) Peat is the first stage of the transformation of wood into coal and it has only 30 to 35% of carbon.
b) Lignite or Brown coal is the inferior quality and contains 35-45% carbon.
c) Bituminous or coking coal is the most popular coal in commercial use.
d) Anthracite is very hard but emits more smoke and leaves very less ash.
6. Consider the following and choose the correct option
Assertion (A): Great daring regions are located in the wet areas of the cool temperate region.
Reasoning (R): Cool temperate regions have nutritious grass and there is great demand for milk products.
a) Both A and B are correct but R is not the correct explanation of A.
b) Both A and B are correct and R is the correct explanation of A.
c) A is true but R is false.
d) R is true but A is false.
7. Identify the one which is incorrectly matched Mineral Characteristics
a) Calcium – The structural element.
b) Magnesium – It is a bright and shining mineral.
c) Sodium – The oxygen carrier and an energy mineral.
d) Potassium – Another solvent mineral and heart mineral.
e) Chlorine – It is a cleanser.
8. Which of the following statements are incorrect?
i) Hydropower is a clean eco friendly and renewable source of energy.
ii) It contributes nearly 17% of the world’s electricity production.
iii) China has the largest potential for hydropower followed by Brazil, Indonesia, Canada, and Zaire.
iv) Canada is the largest producer of Hydroelectricity in the world, followed by China.
a) i, ii, and iii only b) ii, iii, and iv only.
c) ii and iv only d) i and ii only.
9. Which of the following is not a method of conservation of minerals?
a) Controlling population growth to reduce demand for minerals.
b) Creating social awareness regarding the conservation of minerals.
c) Reusing and recycling of minerals.
d) Encouraging the use and acceptance of minerals that are not essential.
10. Pick the Odd one out.
a) Choose products with less packaging.
b) Choose products with recyclable or reusable packaging.
c) Carry use and throw shopping bags or boxes.
d) Say ‘no’ to unnecessary plastic bags and another packaging
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For Chapter 4 Economic Activities Book Back Click Here – Chapter 4 Economic Activities Book Back Answers
Click Here for Complete 12th Samacheer kalvi book back Answers – Samacheer Kalvi 12th Geography Book Back Answers
Class 12 Samacheer Books PDF Free download, Click the link – Samacheer Kalvi 12th books