Science

Microwave ovens are so quick and efficient because they channel heat energy directly to the molecules (tiny particles) inside food. Microwaves heat food like the sun heats your face—by radiation. A microwave is much like the electromagnetic waves that zap through the air from TV and radio transmitters. It’s an invisible up-and-down pattern of electricity and magnetism that races through the air at the speed of light (300,000 … Read more DMPQ- Explain the functioning of microwave.

Montreal protocol  is a treaty signed in 1987 to ban ozone depletion substance like CFC’s and HCFC which were used in refrigerators and Air conditioner. India is also one of the signatories of Montreal protocol. The Montreal Protocol has proven to be innovative and successful, and is the first treaty to achieve universal ratification by … Read more DMPQ: Montreal protocol has been one of the rarest treaty that achieve success. What is Montreal protocol all about?

The three most important features of the Indian health care system are: Low levels of public spending: Between 1996-97 and 2005-06, total government spending on health was stagnant at about 1 percent of GDP, and the public expenditure elasticity with respect to GDP was at 0.94, lower than the average for low-income countries (1.16) for … Read more DMPQ-Comment on the Public health care system in India.

Air breathing propulsion system: In order to provide thrust by the launch vehicles propellants are used. 70% of the constituent of propellant is oxidiser.  So air breathing propulsion system utilise the atmospheric oxygen as an oxidiser to burn the fuel. Ramjet, Scramjet and Dual Mode Ramjet (DMRJ) are the three concepts of air-breathing engines which … Read more DMPQ: Explain the Concepts of air breathing propulsion and re-usable launch vehicle? How these two technology can be game changer for our quest for space?

. Established in April 1987, the voluntary Missile Technology Control Regime (MTCR) aims to limit the spread of ballistic missiles and other unmanned delivery systems that could be used for chemical, biological, and nuclear attacks. The regime urges its 35 members, which include most of the world’s key missile manufacturers, to restrict their exports of … Read more DMPQ- What is MTCR (Missile technology control regime) ? What advantages India have after becoming it’s member ?

VOIP is IP enabled voice calling technology over internet. Example: Skype, Yahoo messenger,MSN messenger.It requires broadband connectivity to make a call along with IP enables  like Computers,Smartphone etc.The voice is converted into digital packets and transmitted to destination over packet switchednetwork. Advantages of VOIP are: Cost of calling is cheaper than normal phone. No need … Read more DMPQ:What is VOIP and write its advantages.

The history of medicinal plants is intimately connected with the history of botany. Primitive man, in constant terror of diseases, lived at the mercy of nature. From the earliest times, tribal priests and medicine men (witch doctors) used various plants, minerals and animal organs, usually in association with strange rituals and incantation, to drive out … Read more DMPQ- Write an essay on the use of Medicinal Plants in India.

    Antigen Antibody Overview Substance that can induce an immune response Proteins that recognize and bind to antigens Molecule type Usually proteins, may also be polysaccharides, lipids or nucleic acids Proteins Origin Within the body or externally Within the body Image   The Role of Antigens & Antibodies in Vaccinations Vaccines contain antigens which … Read more DMPQ: Write down the difference between antigen and antibodyand their role in vaccine development.

Chronic NCDs comprise diabetes, high and low blood pressure, cancer, chronic respiratory problems, mental disorders and cardiovascular diseases. Malnutrition and infection at early age prevalent in poor are important triggers for NCDs. Low literacy and inadequate information among people are the main cause for non- awareness about these chronic diseases. Status of burden of Non … Read more DMPQ-. A recent UN report has highlighted that Non-communicable diseases (NCDs) can cost the Indian economy a whopping Rs. 6.2 trillion during the 2012-2030 period. Discuss the present status of burden of Non-communicable diseases in India. Also, suggest some measures to control the incidence of such diseases and highlight some government’s initiatives in this regard?

  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: Write a short note on Kidney Disease and Dialysis