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?

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: What is Integrated Guided Missile Development programmes?

The Integrated Guided Missile Development Programme (IGMDP) was conceived by renowned scientist Dr. A P J Abdul Kalam to enable India attain self-sufficiency in the field of missile technology. The following are the Key components of the Programme:   Short-range surface-to-surface ballistic missile Prithvi-The Prithvi missile is a family of tactical surface-to-surface short-range ballistic missiles … Read more

DMPQ- What do you understand by the term Super Earth?

In the strictest sense, a super earth is just a planet with more mass than Earth, but less than a larger planet like Uranus or Neptune. So, super earths made of rock and metal, or even ice and gas. These planets could have oceans and atmospheres, or made of nothing but hydrogen and helium. The … Read more

DMPQ- Mention the different Types of Sexual Reproduction.

Allogamy Allogamy occurs when the gametes which join together during fertilization come from two different individuals. The female gamete is usually in the form of an egg or ovum while the male gamete takes the form of a sperm. Both egg and sperm are cells specialized to perform the task of reproduction; each sex cell … Read more

DMPQ- What are the different Types of Electrical transformers ?

Electrical transformers can be classified into different categories depending upon their end-use, construction, supply, and purpose. On the Basis of Design Core Type Transformer This transformer features two horizontal sections with two vertical limbs and a rectangular core with a magnetic circuit. Cylindrical coils (HV and LV) are placed on the central limb of the core … Read more

DMPQ- How India’s technological dependence on foreign countries pose a serious challenge for India security.

The phenomenon of technology transfer has existed ever since the beginning of technological progress. Having significantly increased in recent years, it will probably attract the world’s attention for many years to come. Many developing countries now appear to be seeking technological progress through technology transfer to realize development in a much shorter time than that … 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-Write a short note on cells of Human Immune system.

The immune system is a complex network of cells and organs that work together to defend against Foreign substances. There are various cells associated with immune system: B-cell: It is a type of white blood cell that makes antibodies. Antibodies are large Y-shaped proteins which bind to specific antigens. This signals the other cells of … Read more

DMPQ- What is EarthBiogenome Project?

The Earth BioGenome Project, a Moon Shot for biology, aims to sequence, catalogue and characterize the genomes of all of Earth’s eukaryotic biodiversity over a period of ten years. The Earth BioGenome Project will create a new foundation for biology, informing a broad range of major issues facing humanity, such as the impact of climate … Read more