DMPQ: What are the differences between gene and chromosomes? (science)

  Gene Chromosomes They are located on the chromosomes. Chromosomes are the packed structure of a DNA with proteins. Genes are composed of either DNA or RNA Chromosomes composed of DNA, RNA and histones. According to Human genome project, there are 30,000 genes in the human cell. In Human cell there are 23 pair of … Read more DMPQ: What are the differences between gene and chromosomes? (science)

DMPQ: What is deficiency disease? Tabulate the vitamin deficiency disease. (Science)

A deficiency disease is caused due to the deficiency of certain vitamins and minerals. The deficiency of vitamin lead to the vitamin deficiency disease. Vitamin/Mineral Deficiency disease Symptoms Vitamin A Loss of vision Poor vision, loss of vision in darkness Vitamin B1 Beri beri Weak musles and very little energy to work Vitamin C Scurvy … Read more DMPQ: What is deficiency disease? Tabulate the vitamin deficiency disease. (Science)

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 is ‘Pratyush’? Discuss its advantage. (Science)

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

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: Define Parthenogenesis, Grafting and Layering.

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: Differentiate between Minerals and Ores

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

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: Mention the application of Earth Observation satellite of ISRO

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

DMPQ: What is surrogacy, surrogate mother and intended couple? Explain its different types? (science)

Surrogacy is a practise in which surrogate mother agrees to carry and give birth to child for intended couples. Surrogacy, also known as womb for rent.Surrogate mother is a woman who bears a child for another couple, inspires hope in them and changes their life forever i.e. An Angel.Intended couple are the ones who cannot … Read more DMPQ: What is surrogacy, surrogate mother and intended couple? Explain its different types? (science)

DMPQ: Discuss applications of science and technology in social and economic development.

  Science and Technology hold the key to the progress and development of any nation. Technology plays a Fundamental role in wealth creation, improvement of the quality of life and real economic growth and transformation in any society. The role of Science and Technology in our daily life is altering the way people live, behave, … Read more DMPQ: Discuss applications of science and technology in social and economic development.

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

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

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

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 nano-technology? Write in brief about its possible applications

Discuss the following a) LED b) Insulated Gate Bipolar transistor c) Properties of tungsten

(a)LED:  Led is light emitting diode. It is a pn junction diode, which emits light when gets activated. When a suitable energy is applied , electron combines with the electron holes  within the device releasing energy in the form of photons.LED lamps have a lifespan and electrical efficiency which are several times longer than incandescent … Read more Discuss the following a) LED b) Insulated Gate Bipolar transistor c) Properties of tungsten

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

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 Discuss the reproductive events in the Human?

What is coal bed methane? What is the problem in the extraction of coal bed methane?

Coal bed methane is found in the impermeable stone and is trapped in the coal seams. A significant portion of this gas remain as free gas in the joints and fractures of the coal seam.  Large quantities of gas are adsorbed on the internal surfaces of the micropores within the coal itself Coal bed methane … Read more What is coal bed methane? What is the problem in the extraction of coal bed methane?

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 Tabulate the difference between mitosis and meiosis.

A) What is ultrasound waves and outline its benefits? b) Use of Inert gases

A) What is ultrasound waves and outline its benefits? Waves which have frequency more than 20,000 Hz and which are not audible to human ears but audible to dogs, cats , bats, whales. Ultrasounds are used in various different fields. They are used to detect objects and measure distance. Ultrasound imagining is used in the … Read more A) What is ultrasound waves and outline its benefits? b) Use of Inert gases

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

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

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

DMPQ: What is electromagnetic waves? Outline the features of electromagnetic waves? (Science)

Electromagnetic waves or EM waves are waves that are created as a result of vibrations between an electric field and a magnetic field. In other words, EM waves are composed of oscillating magnetic and electric fields.   Properties of electromagnetic waves: EM waves are composed of oscillating electric and magnetic fields at right angles to … Read more DMPQ: What is electromagnetic waves? Outline the features of electromagnetic waves? (Science)

DMPQ: What is Nitrogen cycle. Explain its various stages. (science)

The nitrogen cycle is a complex biogeochemical cycle in which nitrogen is converted from its inert atmospheric molecular form (N2) into a form that is useful in biological processes. The Nitrogen cycle contains various stages: Nitrogen fixation: Inert form of Nitrogen is fixed and converted into organic form in a process called nitrogen fixation. Most … Read more DMPQ: What is Nitrogen cycle. Explain its various stages. (science)

DMPQ: What is Basel accord? What are the different BASEL norms? ( economy)

The set of the agreement by the BCBS (BASEL COMMITTEE ON BANKING SUPERVISION), which mainly focuses on risks to banks and the financial system are called Basel accord.  The purpose of the accord is to ensure that financial institutions have enough capital on account to meet the obligations and absorb unexpected losses.  India has accepted … Read more DMPQ: What is Basel accord? What are the different BASEL norms? ( economy)

DMPQ: Define following term ( Envt.) a) Green Climate fund b) IPCC c) Kiagali agreement d) Global warming potential

a) Green Climate fund: It is a fund within the framework of the UNFCCC founded as a mechanism to assist developing countries in adaptation and mitigation practices to counter climate change. It was established in COP 16, held in Cancun. The GCF  is based in the Incheon, South Korea IPCC:   It is the leading … Read more DMPQ: Define following term ( Envt.) a) Green Climate fund b) IPCC c) Kiagali agreement d) Global warming potential

DMPQ: Explain the following terms: ( Envt.) a) Emission trading b) Clean development mechanism c) Joint implementation d) REDD

A) Emission trading: Emission trading is a market based approach to control pollution. In this a set of quota is set as limitation on the amount of carbon that can be emitted. If the entity exceeds the quota it has to buy from a seller which has emitted less quantum of carbon than the prescribed … Read more DMPQ: Explain the following terms: ( Envt.) a) Emission trading b) Clean development mechanism c) Joint implementation d) REDD

DMPQ: Quality of Air in Delhi is getting worsen day by day. What are the causes for air pollution in Delhi. Suggest ways to deal with the problem of air pollution. ( Envt)

Delhi has become a smoke chamber in the recent past especially in winters. The changes in temperature  and slowing wind traps soot, dust fine and particulate matter. The reasons for air pollution are as follows: Burning of agricultural residue in Punjab and harayana. Farm stubble burning. This reason got aggravated because of the use of … Read more DMPQ: Quality of Air in Delhi is getting worsen day by day. What are the causes for air pollution in Delhi. Suggest ways to deal with the problem of air pollution. ( Envt)

What is a disease? Discuss the type of disease? ( Science)

Disease is a condition that impairs the proper functioning of the body or its parts. A disease can be defined as: Any deviation from normal functioning or state of complete physical and mental well being. Types of diseases: The human diseases are broadly classified into following four categories: Acute diseases Chronic diseases Congenital diseases Acquired … Read more What is a disease? Discuss the type of disease? ( Science)

DMPQ: What is biofortification? AND tissue Culture

  What is biofortification? Ans:          Biofortification is the process of breeding crops with higher levels of vitamins and minerals, or higher protein and healthier fats. Breeding for improved crops with higher levels of vitamins and minerals, or higher protein and healthier fats. Breeding is done with the objective of improving protein content and quality. Oil … Read more DMPQ: What is biofortification? AND tissue Culture

DMPQ: What is immunity? Explain the types of immunity?

Immunity is the ability of the body to fight against infectious agents. The immunity can be classified as innate immunity and acquired immunity. Innate immunityis a non-specific type of defense mechanism.  It has four types: i) Physical barrier: Example, skin covering of the body, secretion of mucous in the respiratory tract ii)Physiological barrier: Example, acid in the … Read more DMPQ: What is immunity? Explain the types of immunity?

DMPQ: Micropropagation, Somatic hybridisation, Single cell protein, Mutation breeding

Micropropagation Ans:  Method of producing thousands of plants through tissue culture is called micropropagation. Each of these plants will be genetically identical to the original plant from which they are grown. They are soma clones. Somatic hybridisation Ans:  In somatic hybridisation cell wall is removed by digesting it with enzyme like pectinase and cellulase. Isolated … Read more DMPQ: Micropropagation, Somatic hybridisation, Single cell protein, Mutation breeding

DMPQ: What is free space optical communication? Write down its advantages ( science)

FSOC technology uses beams of light to deliver high speed, high capacity connectivity over a long distance.  The energy beam is sent through clean air or space from the source to the destination, rather than guided through an optical fibre. As long as there is a clear line of sight between the source and the … Read more DMPQ: What is free space optical communication? Write down its advantages ( science)

DMPQ: Define- Comets, Dark matter, Dark energy and Fundamental particle (Science)

Q.  Comets Ans:   Comets originate in outer solar system and are formed of cosmic snowballs of frozen gases, rock and dust that orbit the sun. When a comet’s orbit bring it close to the sun ,it heat up and spewn dust and gases into a giant glowing head larger than most planets.   Q.  Dark … Read more DMPQ: Define- Comets, Dark matter, Dark energy and Fundamental particle (Science)

DMPQ: Define all All four questions are from science- Neutrino, Indian -based Neutrino observatory, Goldilock zone, Internet of things

Neutrino Ans:   Neutrinos are one of the fundamental particles which make up the universe and second most abundant particle in the universe after photon. Neutrinos are similar to electron with one crucial difference that they don not carry electric charge.   Indian -based Neutrino observatory Ans:   It is being set up in Bodhi west Hill, … Read more DMPQ: Define all All four questions are from science- Neutrino, Indian -based Neutrino observatory, Goldilock zone, Internet of things