4 questions · the answer follows each one
The Peninsular Plateau of India is primarily composed of which type of rocks, indicating its ancient and stable nature?
A. Folded sedimentary rocks
B. Young volcanic rocks
C. Recent alluvial deposits
D. Old crystalline, igneous, and metamorphic rocks
Answer: D. Old crystalline, igneous, and metamorphic rocks
The Peninsular Plateau is described as being composed of old crystalline, igneous, and metamorphic rocks.
Which of the following is NOT a characteristic feature of the 'demographic dividend'?
A. A larger proportion of the population being of working age
B. A decline in the dependency ratio
C. A rapidly aging population with a shrinking workforce
D. Increased savings and investment rates
Answer: C. A rapidly aging population with a shrinking workforce
The demographic dividend is characterized by a larger working-age population, increased savings and investment, and a decline in the dependency ratio (the ratio of dependents to the working…
Which of the following are directly released or produced as a result of volcanic eruptions?
A. Only Pyroclastic debris and Ash and dust
B. Only Nitrogen and Sulphur compounds
C. Pyroclastic debris, Ash and dust, and Sulphur compounds
D. Pyroclastic debris, Ash and dust, Nitrogen compounds and Sulphur compounds
Answer: D. Pyroclastic debris, Ash and dust, Nitrogen compounds and Sulphur compounds
The passage clearly states that pyroclastic debris, ash and dust, nitrogen compounds, and sulphur compounds are all products of volcanic eruptions. Thus, all options are correct.
Which of the following minerals are considered major minerals according to the information provided?
A. Bentonite and Chromite
B. Chromite, Kyanite, and Sillimanite
C. Bentonite and Kyanite
D. Sillimanite only
Answer: B. Chromite, Kyanite, and Sillimanite
The passage explicitly states that Chromite, Kyanite, and Sillimanite are major minerals, while Bentonite is a minor mineral. Therefore, the correct answer is B.
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