Science

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

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: Subscribe on YouTube Acute diseases Chronic diseases … Read more

  What is biofortification? Join Our Telegram Channel 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 … Read more

Immunity is the ability of the body to fight against infectious agents. The immunity can be classified as innate immunity and acquired immunity. Subscribe on YouTube 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, … Read more

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

What is Anti microbial resistance? Ans: Antimicrobial resistance is the ability of a microorganism like bacteria, viruses and some parasites to stop an antimicrobial from working against it . The resistance reduces or eliminates the effectiveness of these drugs, chemicals, or other agents designed to cure or prevent infections. Join Our Telegram Channel What is … Read more

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

Blue Moon Ans:   Blue moon is a rare phenomenon in which two full moon appear in the same calendar month. The second full moon is termed as blue moon    Super Moon Ans:   When full moon is at the closet point of its orbit to the earth called perigee. Moon appear 30% brighter and 14% … Read more

Asteroids Ans:   They are small bodied rock that moves around the sun. the asteroid belt in our solar system is found between the Mars and the Jupiter.   Meteoroids Subscribe on YouTube Ans:   Due to the collision of two asterroids small fragments break off from each other . These fragments are called Meteoroids. Join Our … Read more

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