Science

Nutrition: A Public health priority

Nutrition is certainly a policy issue and women and children alone, as the country has moved away from the selective faces of the MDGs to the more comprehensive SDGs. The increasing version of communicable diseases as well as overnutrition are leading to a complex policy challenges. Hence, while government policies and programs are converging and taking steps to management nutrition the most important factor affecting positive change will be have your change of the population, where individuals and communities make informed choices regarding their nutrition needs and the food they eat and also changing to a healthy lifestyle which strongly compounds the benefit of the healthy eating. Nutrition The definition given by the British nutrition foundation is the study of …

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Health system: towards a new India

In its three year action agenda, NITI Ayog call to for a new wave of institution building with a strong and a proactive stewardship role by the government to overcome the persistent challenges while leveraging the potential of mixed health system. The government has launched several reform initiatives over the last few years which need to be rigorously implemented. Additionally, the key enables of health system reform such as financing organisation and provision of service delivery as well as digital help need to be strengthened. Health system: towards a new India India had made noteworthy strides on health and nutrition over the last two decades. Given the size, complexity and diversity of our country, the importance of these improvements in …

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Health and Nutrition – Prime movers of the nation’s development

It is a fact that better health and nutrition not only have a positive impact on individual development but also contributes significantly to the overall progress of the country. It would not be exaggeration to call name the veins of the country’s progress. Health and nutrition not only play a vital role in making human life dynamic table and prosperous but it also has the potential to empower develop and strengthen the nation. Article 21 of the constitution of India guarantees every citizen of the country have the right to live with dignity and protection of personal liberty. The supreme court has also held the right to live with human dignity as described in article 21 of the constitution is …

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Thermal Energy and Heat

We know that Heat from the sun warms the Earth and Heat is produced when things burn. Heat and light from the Sun support life on the earth. To understand what heat is, we must first learn about thermal energy. Thermal Energy Matter is made up of extremely small particles called molecules. For example the air water and a piece of metal are all made up of certain types of molecules. The molecules that form water, air and the metal are different from each other. But they have one common feature. They all show a movement. The molecules of a substance move because they possess energy. The sum of the energy possessed by all the moving molecules of the substance …

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Thermal Energy and Heat

Fibre to Fabric

Since ancient times, people living in cold places covered their bodies with animal fur. With time they realise that the fleas of many animal could be used to make wool. Animal such as sheep, goats and camel were domesticated and their hair was used to make wool. Animal fibre Wool and silk are animal fibres. Animal plant and synthetic fibres can be distinguished by the way they burn. When cotton burns, it leaves behind s and gives out a characteristic order of burning paper. Pure wool burns with a shooting flame and gives up and unpleasant order of burning hair. The residue of the burnt wool is hard. Silk fibres also burn with a sooty flame and give out a …

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वैद्युत आवेश एवं वैद्युत क्षेत्र

मात्रक, विमाए व राशियों के प्रकार राशि का नाम सदिश/अदिश राशि मात्रक विमाए बल (F) सदिश राशि न्यूटन [MLT-2] आवेश (q) अदिश राशि कूलाम [AT] वैद्युत क्षेत्र की तीव्रता (E) सदिश राशि न्यूटन प्रति कूलाम [MLT-3A] वैद्युत द्विध्रुव का आघूर्ण (p) सदिश राशि कूलाम मीटर [LAT] वैद्युत द्विध्रुव के बलयुगम का आघूर्ण (τ)

वैद्युत आवेश एवं वैद्युत क्षेत्र

Water Colour Purity

In this article of Water Colour & Purity, we will see scientifically about the colour of water, the spherical shape of a liquid drop, the colour of a waterfall and at last the purity of water. Water Colour Purity Water is transparent and nearly colourless liquid. Waterdrop is spherical because the liquid drop tends to be in a state of minimum surface area. Reason of Spherical shape of the water drop is the force. It is Surface tension that try to hold the droplet together. Mathematically, sphere has the smallest surface volumes, compared to other geometric shapes. In absence of the external force liquid always want to attain minimum surface area and got spherical shape. Waterfall When all colour gets reflected …

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Vehicle Emission

Vehicle Emission is human-made Problem and human can control it. So, you very well know what is vehicle emission. in this article, First I will discuss a problem. What is Vehicle Emission ? The Pollutants emitted from an automotive engine during the combustion process is known as vehicle emission. During the process of it mainly 3 gases are emitted which are as following Carbon mono oxide (CO) Hydrocarbon (HC) Oxide of nitrogen (NOx) These gases are very harmful which is coming from our vehicles. if there are many vehicles in the area many pollution present there and every gas causes different deceases. Back PainDaily News Analysis Why Vehicle Emission is harmful? It is harmful because it emits harmful gases for the environment which …

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Vehicle Emission

Acid Rain

Acid Rain is a specific form of precipitation which is acidic. It has elevated levels of hydrogen ions. It can harmful effect on plants aquatic animal, infrastructure. Acid Rain occurs when certain emissions come into contact with the water of the atmosphere. Learn everything about it in this article and info graphic. it is a precipitate in any of the following forms  Rain  Snow  Sleet  fog Which contains high level of acid which are  Sulfuric acid Nitric acid Which are the constituent of following  70% derived from oxydation and hydrolysis of Sulfur die oxide and hydrogen sulfide. 30% derived from various nitric oxides and other compounds. Both Sulphur and nitrogen emission attributed to the burning of the fossil fuels. Last …

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Sarkari Focus

Why do ripened mangoes have a strong smell?

The smell of ripened mangoes is very strong. Why the smell is so strong. Let’s start some properties of fruit ripening. The fruit ripening signal is the sudden production of ethylene. Ethylene is the simple hydrocarbon gas produced in ripening fruit and released into the atmosphere. This ethylene signal causes developmental changes that result in fruit ripening. These developmental changes are triggered by the set of enzymes called hydrolases. Ripened Mangoes Ethylene apparently ‘ turns on’ the genes that are transcribed and translated to make these enzymes. The enzymes then catalyze reactions to alter the characteristics of the fruit. The action of the enzymes causes the ripening responses. Chlorophyll is broken down and sometimes new pigments are made so that …

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mangoes

Why does the stem colour change to brown as they grow older?

All the stems of plants and trees are green in colour when young. But why does the stem colour change to brown as they grow older? Stem Colour The stem of all plants is green due to the presence of hypodermal chlorenchyma in its cortex. But when the stem axis, especially the dicot stem axis, ceases to elongate and undergoes secondary growth. Its green colour disappears and becomes pale or dark brown in colour. The secondary growth is not only responsible for the change in surface colour but also contributes to the thickness of the axis due to the formation of the periderm. This is effected in the cortex by a lateral meristem called phellogen and the formation of secondary …

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Why does the stem colour change to brown as they grow older?

Why are flowers not black in colour?

Is it possible the Black colour flower Sunlight is usually known as white light, Which is a combination of all the colours? When sunlight shines on an object, some of the light is absorbed, whereas the remaining light is reflected by the object. This reflected light gives the colour for that object. Most flowers in nature are varyingly and brightly coloured. the colour of a flower depends on the absorption and reflection of a certain colour by the petals of that flower. most of the plant parts including flower petals contain various pigments such as chlorophyll, carotene anthocyanin etc. River Rafting These pigments, depending on their concentration, absorb a certain wavelength of white light, and reflect the other wavelengths, which …

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Why are flowers not black in colour?

Temperature Heat and Temperature Scale

Temperature is an objective measurement of how hot or cold an object is. It can be measured with a thermometer or a calorimeter. It is a means of determining the internal energy contained within a given system. Because humans easily perceive the amount of heat and cold within an area, it is understandable that temperature is a feature of reality that we have a fairly intuitive grasp on. Consider that many of us have our first interaction with a thermometer in the context of medicine, when a doctor (or our parent) uses one to discern our temperature, as part of diagnosing an illness. Indeed, temperature is a critical concept in a wide variety of scientific disciplines, not just medicine. Have you ever …

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Temperature

Electricity

Electricity is one of the most useful forms of energy. It is used to run various appliances suggestively Amazon music system, computer, refrigerator, heaters etc. they work only when electric current flows through them. Electrical energy can be transformed into several forms of energy. In a light bulb, electrical energy is transformed into heat and light energy. In a fan, it is transformed into mechanical energy. In a television, it is transformed into light and sound energy. The flow of electrons generate an electric current. Electricity has become an integral part of our daily life. It has simplified our lifestyle and has made us equipped with those technologies which will bring emails development and innovation in the near future. Daily …

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Electricity

Food and Nutrition

Food is the basic requirement for survival of all living organisms. animals depend directly or indirectly on green plants to obtain food. The process of taking food and getting energy for it form growth and development is called nutrition. Energy is released when food substances present in living cells breakdown chemically through a process of oxidation. The Living WorldNature and Scope of BiologyPhysical Activity for good healthBalance Diet and Nutrition Autotrophic Nutrition The mode of nutrition in which organisms make food themselves from simple substance is called autotrophic nutrition. All green plants and some bacteria have an autotrophic mode of nutrition. Green plants prepare their food by the process of photosynthesis. Leaves are the food factories of plant and help …

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Science a Friend or An Enemy

Science is a blessing. It has added humans happiness in so many ways. By using the power of science, man has controlled nature. Science has made in possible things possible. But every coin has two sides. Science shows its evil side when it is used for destructive purposes. Science as a danger to life Inventions of science have become a danger to the life of human beings. Atom bombs, hydrogen bombs poisonous gas kill thousands of persons. Nuclear weapons threaten the very existence of mankind. Causes sickness factories are the product of science. Men work in factories. Machines make them dull. They live in an unhealthy atmosphere. They fall ill and ruin their health. Factories is spread poisonous gases which …

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Science a Friend or An Enemy

बल घर्षण

यदि आप किसी वस्तु को खींचते या ज्यादा धकेलते हैं तो आप उस पर बल आरोपित करते हैं। यदि वह वस्तु दृढ़ता पूर्वक नहीं बंधी है तो वह गति करेगी। सभी बल वस्तु की गति में परिवर्तन करते हैं। परंतु किसी वस्तु को गति में रखने के लिए बल आवश्यक नहीं होता है। जब तीर को किसी धनुष से छोड़ा जाता है तो वह बिना अतिरिक्त बल लगे भी गतिमान रहता है। किसी गाड़ी अथवा वायुयान को नियत चाल से गतिमान रखने के लिए बल की आवश्यकता होती है। क्योंकि गतिमान भागों तथा वाहन के चारों ओर की वायु द्वारा आरोपित घर्षण उसे धीमा कर देता है। बल प्रत्येक कार्य को अभिकर्षण या आकर्षण अथवा दोनों के रूप में व्यक्त …

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बल घर्षण

We can see well underwater

Can we see well underwater? Yes or not let’s check. Tribals gipsies and aboriginals our vanishing lot. Modern society has marginalised them. They walk and talk differently, do not conform to our ways of life, occupy territory that we need by badly for our needs and development – the cards are all against them. Yet, they have some special talents and ways that we can take cues and learn to use to advantage, if only we treat them well and attempt to understand them. Life Underwater The Nari Kauravas are expert foresters and foragers the Bhils are experts in what we call a sustainable way of life; they make useful things from leaves, roots, suits, and box and materials from …

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We can see well underwater

Uses of Scientific Instruments

Here i am giving a list of 51 instrument and brief use of that instrument. Uses of Scientific Instruments is given below. Uses of Scientific Instruments Accumulator: Electrical energy is stored. Altimeter: Used in aircraft for measuring altitudes. Ammeter: Measure the electrical current in ampere Anemometer: Measuring the strength of winds. Audiometer: Measuring intensity of wind Barometer: Measuring atmospheric pressure Binocular: An optical instrument designed for magnified view of distant objects by both eyes. Cardiogram: For recording the heart’s movement Calorimeter: Measuring of quantities of heat Chronometer: A clock that keeps very accurate time as the one that is used to determine longitude at sea. Clinical thermometer: A thermometer for measuring the temperature of human body Calorimeter: An instrument for …

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Use of scientific instrument

विषाणु एवं जीवाणु

पृथ्वी पर असंख्य अति सूक्ष्म जीवित कण पाए जाते हैं। यह न्यूक्लिक अम्ल एवं प्रोटीन से बने होते हैं। इनमें निर्जीव एवं सजीवों के लक्षणों का सम्मिश्रण होता है, इन्हें विषाणु या वायरस कहते हैं। जीवाणु एक एककोशिकीय जीव है। इसका आकार कुछ मिलिमीटर तक ही होता है। विषाणु विषाणु सजीव एवं निर्जीव जगत के बीच संयोजक कड़ी माने जाते हैं। इनके कारण जंतु एवं पौधे में संक्रामक रोग उत्पन्न होते हैं। यह इतने सूक्ष्म होते हैं कि केवल इलेक्ट्रॉन सूक्ष्म दर्शी द्वारा ही देखे जा सकते हैं। इनका अध्ययन विषाणु विज्ञान (virology) के अंतर्गत किया जाता है। यह कोशिका के बाहर निर्जीव पदार्थ की तरह होते हैं और जीवन संबंधी कोई लक्षण प्रदर्शित नहीं करते किंतु जीवित कोशिका के …

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विषाणु एवं जीवाणु

A Study on Genetics

Genetics can be stated as the exploration of the working and major cause of variation and heredity. The groundwork on which here it stands is known as inheritance. it is defined as the procedure by which characteristics are handed down from one generation to the other. In this post, A Study on Genetics, we will see the structure and function of DNA and the story and theory of evolution. Genetics Species share many tricks in common from generation to generation. This is due to their inheritance of genes from their ancestors. Genetics is the study of genes and genetic variation in living organism. Gregor Johann Mendel is the father of genetics. Mendel’s Law’s of inheritance Law of dominance Law of …

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Genetics

The Living World

Biology is the science of life forms and living processes. The living world comprises an amazing diversity of living organisms. In the following post “The living world”, we will get a basic description, characteristics of life, some of its important traits, and the basic principles of biology. Life Life is a characteristic distinguishing all physical entities having biological processes, those who do not have biological process and attributes. This is because such functions either have ceased in these entities or because they lack such functions and are classified as inanimate. Biological science is concerned with the study of life. Live exists almost everywhere on the planet earth with a wide range of variety of diverse life forms. life can be …

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The Living World

Nature and Scope of Biology

The word biology is derived from the Greek words ‘bios’ meaning life and ‘logos’ meaning study. The term Biology was first used by French naturalist Jean Lamarck and Treviranus in 1800. Nature and Scope of Biology Nature and Scope of Biology Biology definition Biology is the study of life in its entirety. Biology can also be described as the study of living organisms. Biology is the science of life and living organisms. Biology is classified mainly into two branches. Zoology Botany Zoology Zoology is the branch of biology which deals with the study of the animal kingdom including the structure, embryology, evolution, classification, habits and distribution of all animals, both living and extinct. Out of all the known species till …

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Nature and Scope of Biology

Earthquake on the moon

Earthquake on the moon is called moonquake. Unlike the ones that strike the earth, moonquake happens less frequently and have smaller magnitudes than their counterparts on earth. While quotes on earth are caused by the movement of plates, moon quotes are caused by totally different mechanisms. Earthquake on the moon According to NASA, quakes can be formed due to four different mechanisms: Meteoritic impacts; thermal quakes caused by the expansion of the frigid crushed by the sun’s heat for a period of 2 weeks and cooling during the lunar night; deep quakes about 700 kilometres below the surface caused probably by tides and shallow quakes. The mechanism responsible for causing sallow moonquakes is not known. Why the deep Earthquake on …

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Earthquake on the moon

Contribution of Women Astronomers

The Contribution of Women Astronomers is very crucial info This year the International Astronomical Union (IAU) is celebrating 100 years of its establishment. Inclusive Astronomy Theme of celebration Under this theme, IAU is coordinating local, national and global activities to support historically underrepresented groups in astronomy. One important goal is the implementation of actions to support and encourage women at all career levels and to promote inclusive, equitable work environments in astronomy-related careers. Contribution of Women Astronomers In most scientific fields, the participation of women in research at the highest level has not been so common. Only three women have won Nobel prizes in Physics so far, and none in astronomy. However, there have been several women astronomers who have …

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Contribution of Women Astronomers

Achieve Self Reliance

Achieve Self Reliance#Achieve Self Reliance, #Self Reliance, #Science & Technology, #Space Technology On 22 July 2019, ISRO commenced its historic journey to the moon by lofting it’s complex satellite Chandrayan-2 for lunar exploration. The the GSLV MKIII nicknamed as Bahubali placed the chandrayaan 2 in a highly elliptical orbit around the earth. As it reaches the moon, it’s velocity will be reduced so that the spacecraft will be pulled into the orbit around the moon. This lander named as Vikram is going to soft-land in totally unknown territory with uncertainties about its trajectory and performance making India’s maiden effort to land on the unchartered surface cluttered with meteors and rocks. Confirmation of quality and quantum of water, helium-3 and rare …

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Achieve Self Reliance

ozone depletion causes and effects

ozone depletion causes and effects What are the Cosmic rays? After a study by scientists found that C-14 used in archaeology by archaeologists. What are UV rays? Why the ozone layer depleted? ozone depletion causes What is CFC effect? CFC are fully halogenated paraffin hydrocarbons that contain only carbon (С). We use CFC also affect the ozone layer, CFCs areRefrigerants, coolants, cleaning agents, insulants and plastic foam, e.t.c. What is Ozone layer? How the ozone layer affect us? A severe found in the ozone layer as increases as also increase the cases of Skin cancer, eye catract, suppression of the immune system in human and other species. Ozone issue Solution You may like to read. National Health Programmes Monsoon Cloud Rain …

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ozone depletion causes and effects

National Health Programmes

National Health Programmes: The Healthcare services of India have seen tremendous growth in the past few years and the dominance over GDP expenditure is 4%, which is very less. National Health Programmes In this article, We will discuss following National Health Programmes. National AIDS control programme National cancer control programme Pulse Polio campaign National Filaria control program National Leprosy Eradication program Eliminate Kala azar National TB Control Programme TB mission 2020 National tobacco control program National Rural Health Mission National Urban Health Mission Mission Indradhanush Swachh Bharat Abhiyan National Bal swachata mission 1. National AIDS Control Programme NACP was established in 1992 and presently, it is under the Ministry of Health and Family Welfare for prevention and control of HIV/AIDS in …

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Aids