Class11th biology Chapter 1) Living world new syllabus of Maharashtra state board science students

Recent questions

• What is metabolism in biology?

  Metabolism refers to the total biochemical reactions that occur within living organisms, encompassing all the processes that convert food into energy and building blocks for growth. It is divided into two main categories: catabolism and anabolism. Catabolism involves destructive reactions where complex organic compounds are broken down into simpler molecules, releasing energy in the process. For example, the breakdown of glucose during cellular respiration is a catabolic reaction. On the other hand, anabolism consists of constructive reactions that synthesize complex molecules from simpler ones, requiring energy input. An example of an anabolic process is the synthesis of proteins from amino acids. Understanding metabolism is crucial for studying how organisms obtain and utilize energy, which is fundamental to life.

• What is a herbarium?

  A herbarium is a systematic collection of preserved plant specimens that are used for scientific study and reference. In a herbarium, dried plants are treated to prevent decomposition and are mounted on standard-sized sheets for organization and display. Each specimen is labeled with important information, such as the collection date, location, and the name of the collector, which aids in the identification and study of plant species. Herbaria serve as valuable resources for botanists and researchers, allowing them to study plant diversity, distribution, and taxonomy without needing to access the original habitats. They play a significant role in documenting plant species and supporting conservation efforts by providing historical data on plant populations.

• What are botanical gardens?

  Botanical gardens are specialized facilities that systematically collect, cultivate, and display a wide variety of plant species from different regions of the world. These gardens are designed not only for aesthetic enjoyment but also for educational and research purposes. They emphasize the scientific naming of plants, which helps visitors and researchers understand the relationships between different species and promotes international collaboration in botanical studies. Botanical gardens often feature diverse ecosystems, including native and exotic plants, and may include educational programs, conservation efforts, and research initiatives aimed at preserving plant biodiversity. By showcasing the beauty and diversity of plant life, botanical gardens play a crucial role in raising awareness about environmental conservation and the importance of protecting plant species.

• What is the role of zoological parks?

  Zoological parks, commonly known as zoos, are facilities that house a variety of animal species in environments designed to mimic their natural habitats. The primary role of zoological parks is to provide a space for the public to observe and learn about animals while promoting conservation and education. These parks enable visitors to witness animal behavior, dietary habits, and social interactions in a controlled setting, which can enhance understanding and appreciation of wildlife. Additionally, many zoos participate in breeding programs for endangered species, contributing to global conservation efforts. By educating the public about biodiversity and the importance of protecting natural habitats, zoological parks play a vital role in fostering a connection between people and wildlife.

• Why is biodiversity important?

  Biodiversity is crucial for maintaining ecological balance and ensuring the health of ecosystems. It refers to the variety of life forms, including different species of plants, animals, and microorganisms, as well as the genetic diversity within those species. High levels of biodiversity contribute to ecosystem resilience, allowing environments to adapt to changes and recover from disturbances such as climate change or natural disasters. Biodiversity also provides essential services to humans, including food production, clean water, and medicinal resources. Furthermore, it supports cultural and recreational activities, enhancing quality of life. Protecting biodiversity is vital for sustaining the planet's ecosystems and ensuring that future generations can enjoy the benefits of a rich and diverse natural world.