Science

Certain basic nutrients are required to maintain good health. The energy yielding nutrients are proteins, carbohydrates and fats. Dietary fibbers, vitamins and minerals such as calcium, iron, chloride, magnesium, phosphorus, potassium and sodium are other essential supplements. Apart from these, certain micronutrients such as chromium, copper, fluoride, iodine, manganese, molybdenum, selenium, sulpur, zinc and so … Read more DMPQ- Write a short note on the nutritional disorder.

During the past decade, the United States and Russia have joined in a number of efforts to reduce the danger posed by the enormous quantity of weapons-usable material withdrawn from nuclear weapons. Other countries and various private groups have assisted in this task. But many impediments have prevented effective results, and most of the dangers … Read more DMPQ- What do you understand by the Risk of nuclear proliferation

. Metagenomics is the study of a collection of genetic material (genomes) from a mixed community of organisms. Metagenomics usually refers to the study of microbial communities. “Metagenomics” is the two words “meta” and “genomics”. So genomics is obtaining the DNA sequence, but meta implies that we’re doing it of many organisms together. And metagenomics … Read more DMPQ- . What is the concept of Metagenomics? Discuss the potential applications of it.

Radio Transmission Its frequency is between 10 kHz to 1GHz. It is simple to install and has high attenuation. These waves are used for multicast communications. Types of Propogation Radio Transmission utilizes different types of propogation : Troposphere : The lowest portion of earth’s atmosphere extending outward approximately 30 miles from the earth’s surface. Clouds, … Read more DMPQ- Differentiate between Radio and Microwave transmission.

LIDAR is short for Light Detection And Ranging. It’s a more modern (but still pretty old) version of the tried and true radar which is short for Radio Detection And Ranging. Radar uses radio waves to detect objects and determine their range, angle, and/or velocity while lidar does basically the same thing, but with pulsed … Read more DMPQ- What is the difference between LIDAR and RADAR?

INS Viraat is the longest serving warship in the world. It hold the Guinness Books of record  INS Viraat was first commissioned into the British Royal Navy as the HMS Hermes on November 18, 1959, 15 years after she was laid down in June, 1944.  She served as the flagship of the Royal Navy’s task … Read more DMPQ-INS Viraat.

. Today, satellites are launched into orbit by multi-staged satellite launch vehicles that can be used only once (expendable). These launch vehicles carry oxidiser along with the fuel for combustion to produce thrust. Launch vehicles designed for one time use are expensive and their efficiency is low because they can carry only 2-4% of their … Read more DMPQ- Bring out the significance of ISRO’s successful launch of scramjet technology.

The ways through which gender equality can be increased are:   Involving women and girls in decision making process in programmes at grassroots level such as designing ways to implement MDGs, forming SHGs, talking about sex education etc. A simple gesture of girls using mobile phones increases their confidence. Stopping child marriages and strict action … Read more DMPQ:Gender Inequality is a concern for us as a society. Suggest ways to increase the gender equality

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 DMPQ: What is Coriolis force?

GSAT-30 is aimed at providing high-quality television, telecommunications and broadcasting services. The 3,357-kg GSAT-30 derives its heritage from ISRO’s earlier INSAT/GSAT satellite series, and is equipped with 12 C and 12 Ku band transponders. GSAT-30 will serve as replacement to the aging INSAT-4A spacecraft services with enhanced coverage. The satellite will provide Indian mainland and … Read more DMPQ- Point out the important socio-economic applications of recently launched GSAT-30 satellite.