As you have read earlier, oxygen (O2) is utilised by the organisms to indirectly break down simple molecules like glucose, amino acids, fatty acids, etc., to derive energy to perform various activities. Carbon dioxide (CO2) which is harmful is also released during the above catabolic reactions. It is, therefore, evident that O2 has to be […]
Breathing and Exchange of Gases | NCERT | BIOLOGY CHAPTER 14 Read More »
Dolphins, known for their intelligence and playful nature, often exhibit the intriguing behavior of swimming in front of ships. This phenomenon has captivated the attention of sailors, marine biologists, and ocean enthusiasts alike. Dolphins swim in front of ships for several reasons: 1. Hydrodynamic Efficiency One of the primary reasons dolphins swim in front of
Why Do Dolphins Swim in Front of Ships? Read More »
You have already studied the organisation of a flowering plant in Chapter 5. Have you ever thought about where and how the structures like roots, stems, leaves, flowers, fruits and seeds arise and that too in an orderly sequence? You are, by now, aware of the terms seed, seedling, plantlet, mature plant. You have also
Plant Growth and Development | NCERT | BIOLOGY CHAPTER 13 Read More »
