Skip to main content

Posts

Showing posts with the label Rocks

GK FOR ALL SSC EXAMS MOST IMPORTANT QUESTIONS

1. Consider the following statements:  a. Pusuant to the report of H.N. Sanyal Committee, the contempt of Courts Act, 1971 was passed. b. The Constitution of India empowers the Supreme Court and the High Courts to punish for contempt of themselves. c. The Constitution of India defines Civil Contempt and Criminal Contempt. d. In India, the Parliament is vested with powers to make laws on Contempt of Court. Which of the statements given above is/are correct? 1. a and b only 2. a, b and d 3. c and d only 4. 3 only   Ans - 2 2. Consider the following statements:  a. A bill amending the Constitution requires a prior recommendation of the President of India. b. When a Constitution Amendment Bill is presented to the President of India, it is obligatory for the President of India to give his/her assent. c. A Constitution Amendment Bill must be passed by both the Lok Sabha and the Rajya Sabha by a special majority and there is no provision for joint sitting. Which of the statement...

ROCKS AND ITS DIFFERENT TYPES

The earth's crust is composed of rocks. A rock is an aggregate of one or more minerals. Rock may be hard or soft and in varied colours. For example - granite is hard and soapstone is soft. Gabbro is black  and quartzite can ve milky white. Rocks do not have definite composition of mineral constituents. Feldspar and quartz are the most common minerals found in rocks. PETROLOGY Petrology is science of rocks. A petrologist studies rocks in all their aspects i.e, mineral composition, texture, structure, origin, occurance, alteration and relationship with other rocks. As there is a close relation between rocks and landforms, rocks and soils, a geographer requires basic knowledge of rocks. There are many different kinds of rocks which are grouped under three families on the basis of their mode of formation.  They are :  1. Igneous Rocks 2. Sedimentary Rocks 3. Metamorphic Rocks IGNEOUS ROCKS  As Igneous rocks form out of magma and lava from interior of the eart...