DMPQ:What are pressure belts? Explain with diagram

:  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: . Short note on Mission Indradhanush.

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: . Explain the basic parts of the computer? (SCIENCE)

.  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: Applications of Nanotechnology in Health care sector. Discuss ( 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: Application of nanotechnology in the field of electronics and IT application. 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: What is captive breeding programme? Discuss its advantage(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: . Application of nanotechnology in the field of Energy application. (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: Discuss the points in favour of nuclear energy.

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: Nitrogen pollution is more dangerous than carbon pollution. How nitrogen affects our ecosystem. (Science)

:  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: What is hydroponics? What are its advantages? (Science)What is hydroponics? What are its advantages? (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: Recently BHEL is negotiating with Libcoin to build India’s first lithium-ion Gigafactory. Discuss the advantages of Lithium ion battery. (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:What is bio dynamics? Explain its role in sustainable development and assuring farmers income. (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 ‘Pratyush’? Discuss its advantage. (Science)

 Pratyush is an array of computers that will be used for weather and climate research. Pratyush is the fourth fastest supercomputer in the world dedicated to weather and climate research and follows machines in Japan, USA and the United Kingdom. Pratyush is an array of computers that can deliver a peak power of 6.8 petaflops … Read more

DMPQ: What are bioplastics? Discuss the issues with the use of bioplastics. (Science)

Bio-Plastics refers to Bio-degradable Materials manufactured from Renewable Sources that can be used in Packaging of Goods similarly as Plastic. Earth consumes around 200 Million Tonnes of Plastic every Year resulting in Pollution and Climate Change.  They have an advantage over conventional plastic as they are biodegradable, less carbon foot print, no additives, maintain the … Read more

DMPQ: Define Parthenogenesis, Grafting and Layering.

Parthenogenesis Parthenogenesis, a reproductive strategy that involves development of a female (rarely a male) gamete (sex cell) without fertilization. It occurs commonly among lower plants and invertebrate animals (particularly rotifers, aphids, ants, wasps, and bees) and rarely among higher vertebrates. An egg produced parthenogenetically may be either haploid (i.e., with one set of dissimilar chromosomes) … Read more

DMPQ: Differentiate between Minerals and Ores

Difference between Minerals and Ores                     Minerals                              Ores All the naturally occurring substances of metals which are present in the earth’s crust are known as Minerals. Ores are usually used to extract metals economically. A large amount of metals are present. All Minerals are not ores. All ores are minerals. Minerals are native form in … Read more

DMPQ: What is fuel cell? How Hydrogen fuel cell work? ( SCIENCE)

A fuel cell is a device which produces electric energy, through a chemical reaction. Fuel cells use positively charged ion(Hydrogen) and an oxidising agent (oxygen).There are many types of fuel cells, but they all consist of a cathode,an anode, and an electrolyte that allows positively charged( hydrogen) ions to move between the two sides of … Read more

DMPQ: Explain the transport of water in Plants

The survival of plants is dependent on a number of factors which include water, minerals, gases, and nutrients they receive. The movement of gas, water, and nutrients in plants are carried out in components. They take in carbon dioxide from the air through the stomata present in their leaves and they absorb compounds of nitrogen, … Read more

DMPQ: Write a short note on Kidney Disease and Dialysis

  A person can live a normal, healthy life with just one kidney. However, at least one kidney must function properly to maintain life. Diseases that threaten the health and functioning of the kidneys include kidney stones, infections, and diabetes. Kidney stones are mineral crystals that form in urine inside the kidney. They may be … Read more

DMPQ: What are the different types of Biofuels?

Some long-exploited biofuels, such as wood, can be used directly as a raw material that is burned to produce heat. The heat, in turn, can be used to run generators in a power plant to produce electricity. A number of existing power facilities burn grass, wood, or other kinds of biomass. Liquid biofuels are of … Read more

DMPQ: Mention the application of Earth Observation satellite of ISRO

Starting with IRS-1A in 1988, ISRO has launched many operational remote sensing satellites. Today, India has one of the largest constellations of remote sensing satellites in operation. Currently, *thirteen* operational satellites are in Sun-synchronous orbit – RESOURCESAT-1, 2, 2A CARTOSAT-1, 2, 2A, 2B, RISAT-1 and 2, OCEANSAT-2, Megha-Tropiques, SARAL and SCATSAT-1, and *four* in Geostationary … Read more

DMPQ: What are the objectives of National Seed Policy ?

  Thrust Areas Varietal Development and PVP Seed Production Quality Assurance Seed Distribution and Marketing. Infrastructure facilities Transgenic Plant Varieties Import of seeds and planting material Export of seeds Promotion of Domestic Seed Strengthening of monitoring system  

DMPQ: Explain the Crop breeding and the introduction of GM crops for food production.

Conventional breeding, especially of crops, livestock and fish, focuses principally on increased productivity, increased resistance to diseases and pests, and enhanced quality with respect to nutrition and food processing. Advances in cellular genetics and cell biology methods in the 1960s contributed to the so-called ‘green revolution’ that significantly increased varieties of staple food crops containing … Read more

DMPQ: Explain the following terms:(Science)

A) Patents: This refers to innovations – new or improved product and processes which are meant for industrial applications.  This is a territorial right which requires registration for a limited time.  Patent is a contract between an inventor as an individual and the society as a whole.  The inventor has exclusive right to prevent anybody … Read more

DMPQ: Describe the cell structure with the help of suitable diagrams and functions of the cell

Cell structure and its functions Cell is the smallest structural and functional unit of an organism, which is typically microscopic and consists of cytoplasm and a nucleus enclosed in a membrane. Structure of cell The cell is a basic unit for life forms. As well as enabling sophisticated control of biochemical processes by providing compartments … Read more

DMPQ: What are information and communication technology ? Explain their applications.

ICT encompasses both the internet-enabled sphere as well as the mobile one powered by wireless networks. It also includes antiquated technologies, such as landline telephones, radio and television broadcast — all of which are still widely used today alongside cutting-edge ICT pieces such as artificial intelligence and robotics. ICT is sometimes used synonymously with IT … Read more

DMPQ: Describe in brief Mendel’s Experiments and law of inheritance

Mendel’s laws Mendel discovered that, when he crossed purebred white flower and purple flower pea plants (the parental or P generation), the result was not a blend. Rather than being a mix of the two, the offspring (known as the F1 generation) was purple-flowered. When Mendel self-fertilized the F1 generation pea plants, he obtained a … Read more

DMPQ:Write in brief on e-waste management.

The rapid growth of technology, upgradation of technical innovations and a high rate of obsolescence in the electronics industry have led to one of the fastest growing waste streams in the world which consist of end of life electrical and electronic equipment products. It comprises a whole range of electrical and electronic items such as … Read more

DMPQ:What is nano-technology? Write in brief about its possible applications

Nanotechnology relates to the technology of rearranging and processing of atoms and molecules to fabricate material to Nano specifications such as nano meters, the technology will enable scientist and engineers to see and manipulate matter at the molecular level atom by atom create new structure with fundamentally new molecular organic material and exploit the novel … Read more

DMPQ: What is Coriolis force?

It is a deflecting force experienced due to rotation of earth. Because of Coriolis the air appears to turn towards its right in the northern hemisphere and towards its left in the southern hemisphere. The coriolis always acts in the perpendicular direction of the motion of air. It is zero at the equator and increases … Read more

Give an account of following: a) Male and female reproductive organs b) Asexual production c) Binary fission d) Fertilisation

  (a)Male and Female reproductive organ:    The male reproductive organs include a pair of testes (singular, testis), two sperm ducts and a penis. The testes produce the male gametes called sperms. The female reproductive organs are a pair of ovaries, oviducts (fallopian tubes) and the uterus. Ovary produces female gametes called ova (eggs).   (b)Asexual production:  It is a … Read more

Discuss the reproductive events in the Human?

Gametogenesis :  The gametogenesis is the formation of gametes i.e. sperm in males and ovum in females. It is also known as spermatogenesis and Oogenesis. Insemination:        Insemination is the deliberate introduction of sperm into a female animal or plant for the purpose of impregnating or fertilizing the female for sexual reproduction. The sperm is introduced … Read more

Explain the composition of blood.

Blood circulates in our body and it transport substance like digested food from the small intestine to the other parts of the body. It carries oxygen from lungs to the cells of the body. It also transport waste for removal from the body. Major components of Blood are as follows: Plasma: Plasma is the liquid … Read more

Tabulate the difference between mitosis and meiosis.

Draw diagram Basis Mitosis Meiosis Number of divisions One Two – meiosis 1 and meiosis II DNA replication Occurs during interphase Occurs during interphase Role Production of somatic cells for growth of the body Produces gametes or gametogenesis Daughter cell produced Two diploid cells that are genetically identical to parent Four haploid cell(n) containing half … Read more

How does the climate change affect the global distribution of fauna?

  Climate change is a result of rapid global warming. The increase of average temperature of earth is termed as Global warming. Global warming is a natural process which has been accelerated by anthropogenic activities. Because of this earth is not getting time to adjust to this change. This is causing climate change. Effect on … Read more

DMPQ: Give an account of following. ( Envt.) a) Project Tiger b) Project Hangul c) Sea Turtle Project d) Project snow leopard

a) Project tiger: To conserve tiger project tiger was started in 1973 in Palamau Tiger reserve and various tiger reserves were created in the country based on a core-buffer strategy. It is sponsored by MoEF. Administered By NTCA. b) Project Hangul: State of J&K , along with IUCN and the WWF        prepared a project … Read more

DMPQ: What is excretion? Outline the functions of kidney. ( Science)

It refers to the elimination/removal of metabolic wastes from the body. There are four major organs of excretions : kidney, lungs, skin and the liver. Out of these four organs kidneys are the primary excretory organs that eliminate metabolic waste products in the form of urine. The major functions of urine are: Excretions of wastes … Read more

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