Science

Dengue fever is a disease caused by a family of viruses that are transmitted by Aedes mosquitoes.Dengue fever is caused by a virus, and there is no specific medicine or antibiotic to treat it. For typical dengue fever, the treatment is directed toward relief of the symptoms (symptomatic treatment). Dengue fever is a disease caused by a family of … Read more DMPQ- Write short note on Dengue Fever.

Chikungunya is a viral disease (genus Alphavirus) which is transmitted to humans by infected mosquitoes – including Aedes aegypti and Aedes albopictus. The name chikungunya originates from a verb in the Kimakonde language, meaning ‘to become contorted’. This refers to the ‘stooped’ appearance of those suffering with joint pain. Symptoms Symptoms appear between 4 and 7 days after the … Read more DMPQ:Write a short note on chikungunya.

Zika virus disease is caused by a virus transmitted primarily by Aedes mosquitoes, which bite during the day.Zika virus is a mosquito-borne flavivirus that was first identified in Uganda in 1947 in monkeys. It was later identified in humans in 1952 in Uganda and the United Republic of Tanzania.Symptoms are generally mild and include fever, … Read more DMPQ:Write a short note on Zika Virus.

The Mission envisages empowering national academic and R&D institutions spread over the country by installing a vast supercomputing grid comprising of more than 70 high-performance computing facilities.  These supercomputers will also be networked on the National Supercomputing grid over the National Knowledge Network (NKN). The NKN is another programme of the government which connects academic … Read more DMPQ- National supercomputing mission.

Based on his observations on monohybrid crosses Mendel proposed two general rules to consolidate his understanding of inheritance in monohybrid crosses. Today these rules are called the Principles or Laws of Inheritance: the First Law or Law of Dominance and the Second Law or Law of Segregation. Law of Dominance Characters are controlled by discrete … Read more DMPQ- Mendel law of inheritance.

Universal Health coverage means accessibility of health care to one and all without creating financial hardship. According to WHO, out of pocket expenditure in health sector is 63% whereas the recommended level is 10-15%. There are problems associated with health sector: Expenditure on health is just 2.5% of GDP it has to be near about … Read more DMPQ: What is Universal Health Coverage ? Discuss the problem with Health Sector in India?

A Cryogenic rocket stage is more efficient and provides more thrust for every kilogram of propellant it burns compared to solid and earth-storable liquid propellant rocket stages. Specific impulse (a measure of the efficiency) achievable with cryogenic propellants (liquid Hydrogen and liquid Oxygen) is much higher compared to earth storable liquid and solid propellants, giving … Read more DMPQ- Cryogenic engine. (SCIENCE)

Contribution of Indian  Scientist:   Scientist Achievement Homi Jehangir Baba Father of Indian Nuclear Programme, Carried out first nuclear test 1974, Atomic energy establishment was renamed Bhabha Atomic research centre. Venkatraman Ramakrishna Indian origin biologist cum scientist won nobel prize in 2009 in chemistry. He pioneered in the studies of the structure and function of … Read more Quick Revision- Contribution of Indian Scientist

India’s Polar Satellite Launch Vehicle (PSLV-C45)  successfully launched EMISAT and 28 international customer satellites from Satish Dhawan Space Centre (SDSC) SHAR in Sriharikota. This flight marked the first mission of PSLV-QL, a new variant of PSLV with four strap-on motors. EMISAT is a satellite built around ISRO’s Mini Satellite-2 bus weighing about 436 kg. The … Read more DMPQ- PSLV-C45

Petroleum coke or pet coke, is a solid carbon rich(90% carbon and 3% to 6% sulfur) material derivedfrom oil refining. It is categorized as a “bottom of the barrel” fuel.It is a dirtier alternative to coal and emits 11% moregreenhouse gases than coal and nearly 17 timesmore sulphur than coal. Petcoke is a source of … Read more DMPQ:What is Pet coke?

On March 27, 2019 India conducted Mission Shakti, an anti-satellite missile test, from the Dr. A P J Abdul Kalam Island launch complex. This was a technological mission carried out by DRDO. The satellite used in the mission was one of India’s existing satellites operating in lower orbit. The test was fully successful and achieved … Read more DMPQ: Write short Note on Mission Shakti

DNA profiling is the technique of finding the difference between the satellite DNA regions in the genome. These regions are stretches of repetitive DNA which do not code for any specific protein. These non-coding sequences form a major chunk of the DNA profile of humans. They depict a high level of polymorphism and are the basis of … Read more DMPQ- DNA profiling.

Oxytocin is a crucial hormone used on pregnant women. It is used for the induction of labour and stop postpartum bleeding. It causes uterine contractions during labour, and helps new mothers lactate.  It has largely been in use during delivery to reduce maternal mortality. Misuse – Besides the genuine uses, Oxytocin is largely misused.  It … Read more DMPQ- What is Oxytocin? What are its possible misuses?

Quick revision Topic:  Corrosion and its prevention   Definition:  It is the process in which metals are slowly eaten up by the action of air moisture or chemicals. For example rusting is a form of corrosion in which iron is eaten up by the action of air and moisture and a reddish brown coating of iron oxide is formed … Read more Quick Revision- Corrosion and its prevention

Quick Revision Topic:                pH scale and its day to day application   Definition:                  pH scale is the scale developed to measure the concentration of Hydrogen ion in a solution. Here ‘p’ in pH implies ‘potenz’ in german. The pH of a neutral solution is 7. for Acidic solution pH is less than 7 and … Read more Quick Revision- pH scale and its day to day application

Issues attached with scientific research in India are as follows: The system is also largely run by scientists-turned-bureaucrats and “nepotism, patronage culture” are prevalent. Notably, Indian scientists perceive success as ‘becoming an administrative head in research institutions’, rather than advancing research. Also, the prevalent incompetence across the spectrum has taken a toll on ‘peer reviewing’ … Read more DMPQ: What are the administrative issues attached with Scientific research in India? (Science )

QUICK REVISION   TOPIC: CATALYST Definition:       Increases or decreases the rate of reaction without actually taking part in the reaction.   Types:      On the basis of phase of reactants: Same phase : Homogenous catalyst; eg: In Hydrogenation use of Raney nickel catalyst   Different phase : Heterogenous catalyst; Eg in Ozone depletion Chlorofluorocarbons (CFCs) like … Read more Quick Revision- CATALYST

  QUICK REVISION SERIES   ALLOTROPES OF CARBON: Concept of Allotropes:       An element, in different forms, having different physical properties but similar chemical properties is known as allotropes of that element. Carbon has three well known allotropes which are graphite, diamond and buck minster fullerene. These are formed by carbon atoms. Allotrope Type Properties Graphite Each … Read more Quick Revision-Allotropes of carbon

TYPES OF MISSILE AND ASSOCIATED CONCEPTS: Brahmos Supersonic cruise missile, BrahMos, is being developed with Russia as a private joint-venture. BrahMos is a multi-platform cruise missile enabling it to strike from various types of land, sea and air-based platforms. It is among the fastest supersonic cruise missiles in the world with speeds ranging between Mach … Read more Quick Revision- Type of Missile II

INTEGRATED MISSILE DEVELOPMENT PROGRAMME:   Missile Type Remark Prithvi Short range Surface to Surface ballistic missile – The Prithvi missile is a family of tactical surface-to-surface short-range ballistic missiles (SRBM) and is India’s first indigenously developed ballistic missile. Development of the Prithvi began in 1983, and it was first test-fired on 25 February 1988 from Sriharikota, … Read more Quick Revision- Type of Missile

The environment-friendly bio-toilets for passenger coaches were developed jointly by Indian Railways and Defence Research and Development Organisation (DRDO).In the bio-toilet fitted coaches, human waste is collected in bio digester tanks below the toilets and is decomposed by a consortium of anaerobic bacteria.By the process of hydrolysis, acetogenesis, acidogenesis and methanogenesis, the anaerobic bacteria converts … Read more DMPQ- Short note on Bio toilets.

The GSLV-III or Geosynchronous Satellite Launch Vehicle Mark III is a launch vehicle under development. Geosynchronous Satellite Launch Vehicle is a launch vehicle under development. ISRO is developing this to enable India to launch its heavier satellites without dependence on foreign rockets and providers. The GSLV MK-III is a 3 stage vehicle and will have … Read more DMPQ- GSLV MK III

Features of S 400: It is among the best air defence systems. It is based on a multifunctional system that can drop missiles at different speeds. It can target aircrafts (up to 5th generations), cruise and ballistic missiles by supersonic and hypersonic missiles of the system. It can address the incoming targets at a range … Read more DMPQ: Write short note on S 400

  Coking coal Non coking coal High carbon content Less carbon content Less moisture and less sulphur content High sulphur content   Can be used in Iron and steel Industry Cannot be used due to high sulphur content It is used to create coke. Making coke from this coal is not economical as traces of … Read more DMPQ: Outline the difference between coking coal and non coking coal.

Euthanasia is the practice of ending the life of a person in a painless way. It is also known also as mercy killing or assisted suicide, it is usually practiced on a terminally ill person. Euthanasia may be legal or illegal, depending upon a country’s jurisdiction. For example, euthanasia is legal in countries like Belgium, … Read more DMPQ: What is euthanasia? Do you think euthanasia should be allowed?

Yamanaka genes are group of four essential genes in our body that are responsible for regenerating old cells or growing new cells.They are also know as OSKM(Oct4,Sox2,Klf4 &Myc) & are named after Japanese scientist Shinya Yamanaka. Significance of Yamanaka Genes: Major significance is that the introduction of these genes can convert adult cells into pluripotent stem … Read more DMPQ:What is YAMANAKA gene? Write down its application

DNA vaccines are third generation vaccines, made up of small, circular pieces of bacterial DNA, plasmids. These plasmids are genetically engineered to produce specific antigens from a pathogen. The DNA is injected into the cells of the body where the host cell then interprets the DNA and uses it to synthesize the pathogen’s proteins. An … Read more DMPQ:What are DNA vaccine?

In financial terminology hybrid annuity means that payment is made in a fixed amount for a considerable period and then in a variable amount in the remaining period. This hybrid type of payment method is attached under the HAM. In India, the new HAM is a mix of BOT Annuity and EPC models. As per … Read more DMPQ: What is hybrid annuity model?

RMNCH+A stands for reproductive , maternal, newborn, child and adolescent health,  approach has been launches in 2013 and it essentially looks to address the major causes of mortality among women and children as well as the delays in accessing and utilizing health care and services. The RMNCH+A strategic approach has been developed to provide an … Read more DMPQ: RMNCH+A

In order to ensure holistic development of adolescent population, the Ministry of Health and Family Welfare launched Rashtriya Kishor SwasthyaKaryakram (RKSK) on 7th January 2014 to reach out to 253 million adolescents – male and female, rural and urban, married and unmarried, in and out-of-school adolescents with special focus on marginalized and undeserved groups . … Read more DMPQ: . Rashtriya Kishor SwasthyaKarayakram.

India’s AIDS Control Programme is globally acclaimed as a success story. The National AIDS Control Programme (NACP), launched in 1992, is being implemented as a comprehensive programme for prevention and control of HIV/AIDS in India. Over time, the focus has shifted from raising awareness to behavior change, from a national response to a more decentralized response … Read more DMPQ:National Aids Control Programme.

Biofuels are the fuel generated from the biomass. They are the renewable source of energy. The different generation of biofuel are tabulated below: 1st Generation biofuel ·        Produced directly from the crop ·        Crop such as wheat and sugar are used ·        Stable, competitive with fossil fuel ·        Food vs Fuel criticism ·        Biodiesel and … Read more DMPQ:What are biofuels? Explain the different generation of biofuel.

:  A fast breeder reactor (FBR) breeds more fuel than it consumes that is it produces more plutonium than it consumes while generating power. For a uranium scarce country like India, it is an attractive technology. Plutonium produced in the thermal reactors as spent fuel is ideally suitable as the fuel material for use in … Read more DMPQ: What are the benefits of fast breeder reactor?

:  The polymerase chain reaction is a technique for cloning a particular piece or amplifying a single or few copies of a piece of DNA, generating millions or more copies of that particular DNA sequence. One can make virtually unlimited copies of a single DNA molecule even though it may initially be present in a … Read more DMPQ: . What is Polymerase Chain reaction? What are the materials required for Polymerase chain reaction?

:  The distribution of atmospheric pressure across the latitudes is termed global horizontal distribution of pressure. Its main feature is its zonal character known as pressure belts.   On the earth’s surface, there are seven pressure belts. They are the Equatorial Low, the two Subtropical highs, the two Subpolar lows, and the two Polar highs. … Read more DMPQ:What are pressure belts? Explain with diagram

:  The polymerase chain reaction is a technique for cloning a particular piece or amplifying a single or few copies of a piece of DNA, generating millions or more copies of that particular DNA sequence. One can make virtually unlimited copies of a single DNA molecule even though it may initially be present in a … Read more DMPQ: . What is Polymerase Chain reaction? What are the materials required for Polymerase chain reaction?

Mission Indradhanush was launched by the Ministry of Health and Family Welfare, Government of India on December 25, 2014. Aims to cover all those children by 2020 who are either unvaccinated, or are partially vaccinated against 7 vaccine preventable diseases. The diseases are – diphtheria, whooping cough, tetanus, polio, tuberculosis, measles and hepatitis B 4 pillars … Read more DMPQ: . Short note on Mission Indradhanush.

.  The basic parts of a computer are as follows ? Input Unit ? Devices like keyboard and mouse that are used to input data and instructions to the computer are called input unit. Output Unit ? Devices like printer and visual display unit that are used to provide information to the user in desired format are … Read more DMPQ: . Explain the basic parts of the computer? (SCIENCE)

Nanotechnology has the potential to completely revolutionise all the three key aspects of healthcare sector-Diagnosis, prevention and Treatment. It can completely change the healthcare sector for the next generation. Nanotechnology will help medical professionals in today’s most excruciating medical issues, such as repairing of damaged organs, diagnosis and treatment of cancer cells, removal of obstruction … Read more DMPQ: Applications of Nanotechnology in Health care sector. Discuss ( SCIENCE)

  Miniaturisation of the transistor size. Smaller, faster and better transistors may mean that soon your computer’s entire memory may be stored on a single tiny chip. Using magnetic random access memory (MRAM), computers will be able to “boot” almost instantly. MRAM is enabled by nanometer?scale magnetic tunnel junctions and can quickly and effectively save … Read more DMPQ: Application of nanotechnology in the field of electronics and IT application. Discuss. (SCIENCE)

Captive breeding is the process of breeding animals outside of their natural environment in restricted conditions in farms, zoos or other closed facilities. The choice of individual animals that are to be part of a captive breeding population, and the mating partners within that population, are controlled by humans. Advantages: • Endangered animals have a … Read more DMPQ: What is captive breeding programme? Discuss its advantage(SCIENCE)

  Nanotechnology is improving the efficiency of fuel production from raw petroleum materials through better catalysis. It is also enabling reduced fuel consumption in vehicles and power plants through higher-efficiency combustion and decreased friction.  carbon nanotube “scrubbers” and membranes to separate carbon dioxide from power plant exhaust. Development of wires containing nano tube that will … Read more DMPQ: . Application of nanotechnology in the field of Energy application. (SCIENCE)

Low Pollution: Nuclear power also has a lot fewer greenhouse emissions. It has been determined that the amount of greenhouse gases have decreased by almost half because of the prevalence in the utilization of nuclear power. Nuclear energy has the least effect on nature since it doesn‘t discharge any gasses like methane and carbon dioxide, … Read more DMPQ: Discuss the points in favour of nuclear energy.

:  Nitrogen is the most abundant gas in the atmosphere and it is in inert form. But when it converts into reactive form like ammonia, nitrous oxide and nitrogen di oxide, it become dangerous for the ecosystem in many ways. Nitrogenous gases also play an important role in global climate change. Nitrous oxide is a particularly … Read more DMPQ: Nitrogen pollution is more dangerous than carbon pollution. How nitrogen affects our ecosystem. (Science)

.   CRISPR stands for Clustered regularly interspaced short palindromic repeats it is in the series of molecular scissors which is used for deletion, insertion and replacement of genome to achieve the desired result. It is latest technology of gene editing. Cas-9 is an enzyme. It use a synthetic guide RNA to introduce a double strand … Read more DMPQ: What is CRISPR-Cas9 and explain the process involved in using it. (Science)

It is a technology to bring the changes in the phenotype(the way we appear) by altering the genome. The insertion of foreign gene and thus creating new gene is called recombinant gene. The technology involved in the process is called rDNA technology. Steps in the rDNA technology are: Identification Of donor DNA and Plasmid DNA. … Read more DMPQ: What is recombinant DNA technology? Mention the steps involved in rDNA technology? (Science)

Hydroponics is a subset of hydroculture, the method of growing plants without soil, using mineral nutrient solutions in a water solvent.With hydroponics the plants are grown in an inert growing medium and a perfectly balanced, pH adjusted nutrient solution is delivered to the roots in a highly soluble form. Advantages of hydroponics: No soil is … Read more DMPQ: What is hydroponics? What are its advantages? (Science)What is hydroponics? What are its advantages? (Science)

It is light weighted and is one-third the weight of lead acid batteries. It is nearly 100% efficient in both charging and discharging as compared to lead battery which has 70% efficiency. It completely discharges i.e. 100% as compared to 80% for lead acid. It has life cycle of 5000 times or more compared to … Read more DMPQ: Recently BHEL is negotiating with Libcoin to build India’s first lithium-ion Gigafactory. Discuss the advantages of Lithium ion battery. (Science)

Biodynamics a holistic, ecological, and ethical approach to farming, gardening, food, and nutrition. Biodynamics is rooted to integrate scientific understanding with a recognition of spirit in nature. Around the world, biodynamics is alive in thousands of thriving gardens, farms, vineyards, ranches, and orchards. The principles and practices of biodynamics can be applied anywhere food is … Read more DMPQ:What is bio dynamics? Explain its role in sustainable development and assuring farmers income. (Science)

Euploidy Aneuploidy It refers to the state of having a chromosomes number that is an exact multiple of chromosomes number. It refers to a condition in which one or few chromosomes are added or deleted from the chromosome number A large variation in which the amount of genetic material increases by means of chromosomes sets. … Read more DMPQ: What is the difference between euploidy and aneuploidy? ( Science)