The long experience of authoritarian rule under the colonial state convinced Indians that free India should be a democracy in which everyone should be treated equally and be allowed to participate in government. Here are provided the key features of the Indian Constitution.
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Showing posts with label Defence Exam. Show all posts
Showing posts with label Defence Exam. Show all posts
Thursday, December 28, 2017
Some Important Amendments of the Constitution of India
The 1st Constitutional Amendment Act, 1951
In June 1951, the 1st Constitutional Amendment Act was passed, and the following Amendment in the Constitution were added: (i) To Article 15, a new clause (4) was added: (ii) changes were made in clauses (2) and (6) of Article 19; (iii) After Article 31, Article 31A and 31B were added; (iv) For Original Article 85, a new Article was substituted; (v) In Article 87, clauses (1) and (2) were restructured; (vi) For the Original Article 174, a new Article was substituted; (vii) In Article 176, clauses (1) and (2) were restructured: (viii) Clause (1) of Article 341 was restructured; and similarly, clause (1) of Article 342, sub-clause (a) of Article 342, sub clause (a) of clause (3) of Article 372, and clause (1) of Article 376 were also restructured; (ix) After the Eight Schedule to the Constitution a Ninth Schedule was added and thirteen laws passed by the State Legislatures were included in it so that those Acts might not be challenged in courts.
In June 1951, the 1st Constitutional Amendment Act was passed, and the following Amendment in the Constitution were added: (i) To Article 15, a new clause (4) was added: (ii) changes were made in clauses (2) and (6) of Article 19; (iii) After Article 31, Article 31A and 31B were added; (iv) For Original Article 85, a new Article was substituted; (v) In Article 87, clauses (1) and (2) were restructured; (vi) For the Original Article 174, a new Article was substituted; (vii) In Article 176, clauses (1) and (2) were restructured: (viii) Clause (1) of Article 341 was restructured; and similarly, clause (1) of Article 342, sub-clause (a) of Article 342, sub clause (a) of clause (3) of Article 372, and clause (1) of Article 376 were also restructured; (ix) After the Eight Schedule to the Constitution a Ninth Schedule was added and thirteen laws passed by the State Legislatures were included in it so that those Acts might not be challenged in courts.
Tuesday, December 5, 2017
Glossary – Environmental Science
Abundance – This refers to the number or amount of something found in the environment, generally in plenty.
Acid precipitation- This refers to the acidic rain, snow, or dry particles set down from the air owing to increased acids released by anthropogenic or natural resources.
Acids- This refers to the substances that liberate hydrogen ions (protons) in water.
Acid precipitation- This refers to the acidic rain, snow, or dry particles set down from the air owing to increased acids released by anthropogenic or natural resources.
Acids- This refers to the substances that liberate hydrogen ions (protons) in water.
Some Environmental Facts
The biggest energy source on the surface of the earth is
|
Solar radiation
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The acid found in soil is
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Humic acid
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Burning of fossil fuels releases
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Carbon-di-oxide
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The place referred to as the Valley of Death
is
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Cubatao in Brazil
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Energy
The energy is the ability to do work. In India 70% population resides in rural areas; thus supplying energy to villages is vital to maintain pace in development. 21% of villages and nearly 50% rural households are yet not electrified.
The per capita consumption of energy was 4816 KWH in 2010-11, according to Central Statistics Office.
The per capita consumption of energy was 4816 KWH in 2010-11, according to Central Statistics Office.
Disaster
Disaster is a sudden, calamitous event bringing great
damage, loss, and destruction and devastation to life and property. The damage
caused by disasters is immeasurable and varies with the geographical location,
climate and the type of the earth surface/degree of vulnerability. This
influences the mental, socio-economic, political and cultural state of the
affected area.
Waste
Waste, or rubbish, trash, junk, garbage, depending on the type of material or the regional terminology, is an unwanted or undesired material or substance. It may consist of the unwanted materials left over from a manufacturing process (industrial, commercial, mining or agricultural operations,) or from community and household activities. The material may be discarded or accumulated, stored, or treated (physically, chemically, or biologically), prior to being discarded or recycled. It is also used to describe something we use inefficiently or inappropriately.
Ozone Layer Depletion
Ozone is composed of three oxygen molecules and. is produced naturally by sunlight. At ground level ozone is a pollutant, but in the upper stratosphere (a segment of atmosphere extending approximately 9 miles to 30 miles above the earth's surface) it forms a layer that protects the earth from the sun's harmful ultraviolet radiation. Although ozone composes a small part of the atmosphere's total mass, it absorbs more than 99% of the sun's ultraviolet radiation.
Acid Rain
Acid rain is rain consisting of water droplets that are
unusually acidic because of atmospheric pollution - most notably the excessive
amounts of sulfur and nitrogen released by cars and industrial processes. Acid
rain is also called acid deposition because this term includes other forms of
acidic precipitation such as snow.
Marine Pollution
Marine pollution refers to ocean contamination, especially
with man-made waste or byproducts. This is considered to be a severe problem by
many environmentalists, since it can have detrimental and lasting effects on
the global marine ecosystem. There are several types of marine pollution, each
of which has the potential to harm the delicate balance of life.
Land pollution
Land pollution is the deterioration (destruction) of the
earth’s land surfaces, often directly or indirectly as a result of man’s
activities and their misuse of land resources.
It occurs when waste is not disposed off properly, or can
occur when humans throw chemicals unto the soil in the form of pesticides,
insecticides and fertilizers during agricultural practices. Exploitation of
minerals (mining activities) has also contributed to the destruction of the
earth’s surface.
Water Pollution
The pollution of water is the contamination of water bodies (e.g. lakes, rivers, oceans, aquifers and groundwater), very often by human activities.
Global Warming
Global Warming is the increase of Earth's average surface temperature due to effect of greenhouse gases, such as carbon dioxide emissions from burning fossil fuels or from deforestation, which trap heat that would otherwise escape from Earth. This is a type of greenhouse effect.
Ecology
What is Ecology?
Ecology is the study of the distribution and abundance of
organisms, the interaction between organisms, the interaction between organisms
and their environment, and structure and function of ecosystems.
Environmental Science: An Overview
Environment - The environment means the conditions and
circumstances that surround someone. The air water and space surrounds both
living and non living organisms. This surrounding is called natural
environment.
Electronics
Electronics –
Electronics is the branch of physics and technology that deals with the
emission, behavior, and effects of electrons and with electronic devices.
Most electronic devices use semiconductor components to
perform electron control. The study of semiconductor devices and related
technology is considered a branch of solid state physics, whereas the design
and construction of electronic circuits to solve practical problems come under
electronics engineering. This article focuses on engineering aspects of
electronics.
Timeline: Nuclear Treaties & Agreements
1963 Limited Test Ban TreatyAn agreement between the US, USSR, and UK which prevented nuclear testing above ground, underwater, and in outer space. But it does allow testing to occur underground as long as the radioactive fallout is not widespread. A total of 116 countries have signed this, and China, who had not signed, did testing in 1992 that violated the treaty's guidelines.
Chronological Developments in Nuclear Physics
1890s
1895
November 8 - Wilhelm Roentgen discovers X-Rays
1897
Becquerel and Marie Curie discover radioactivity
1895 - 1899
Ernest Rutherford discovers alpha and beta radiation
1898
Marie and Pierre Curie isolated the two new chemical elements polonium and radium
1895
November 8 - Wilhelm Roentgen discovers X-Rays
1897
Becquerel and Marie Curie discover radioactivity
1895 - 1899
Ernest Rutherford discovers alpha and beta radiation
1898
Marie and Pierre Curie isolated the two new chemical elements polonium and radium
Atomic and Nuclear Physics
Atoms -
Atoms are the smallest unit of an element that chemically behaves the same way
the element does. When two chemicals react with each other, the reaction takes
place between individual atoms at the atomic level.
Atomic Structure
- In the early 20th century, a New Zealand scientist working in England, Ernest Rutherford, and a Danish scientist, Niels Bohr, developed a way of thinking about the structure of an atom that described an atom as looking very much like our solar system.
- An atom is composed of three basic particles – electrons, protons and neutrons.
- Nucleus of an atom consists of protons and neutrons.
- Electrons revolve in atomic orbit.
Magnetism
Magnetism - Magnetism is a force of attraction or replusion
that acts at a distance. It is due to a magnetic field, which is caused by
moving electrically charged particles or is inherent in magnetic objects such
as a magnet.
Magnetism - A magnet is an object that exhibits a strong
magnetic field and will attract materials like iron to it. Magnets have two
poles, called the north (N) and south (S) poles. Two magnets will be attacted
by their opposite poles, and each will repel the like pole of the other magnet.
Magnetism has many uses in modern life.
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