The Living World MCQ -Biology MCQs - NEET 2023

Summary

The script covers a range of topics related to plant and animal biology, focusing on key biological processes such as growth, production, chemical reactions, and homeostasis. It also delves into taxonomy, with discussions on classification categories and species identification. Additionally, the script touches on the significance of botanical gardens and the meaning of reproduction in living organisms. The questions and concepts presented in the transcript offer a comprehensive overview of fundamental biological principles, making it an informative guide for learners in the fields of biology and environmental science.

Takeaways

• 😀 Living organisms, including plants and animals, experience growth and production as mutually exclusive events.
• 😀 Homeostasis refers to the sum of chemical reactions occurring within the body to maintain balance.
• 😀 Chemical reactions in the body contribute significantly to creativity and the regulation of bodily functions.
• 😀 Plants and animals grow after reaching a certain age, and this growth is influenced by internal processes.
• 😀 Reproduction is an essential process for the continuation of life in living organisms.
• 😀 Taxonomy categorizes species through a hierarchical system, with 'species' being at the bottom, followed by 'order' and 'phylum'.
• 😀 The famous botanical garden in England is located in Kew, not Loughborough or Australia.
• 😀 The Indian Botanical Garden is located in Howrah, near Kolkata, not in cities like Lucknow or Mumbai.
• 😀 Identification of species in taxonomy involves using manuals or guidelines to properly categorize and name them.
• 😀 The tiger and lion belong to the same family in the animal kingdom, indicating their common features.
• 😀 In biology, families are categorized based on shared characteristics that combine to form distinct species.

Q & A

What is the relationship between growth and production in living organisms?

Growth and production are mutually exclusive events in living organisms. While growth refers to the increase in size or mass, production involves the creation of new cells or substances like proteins and enzymes in the organism.

What role do chemical reactions play in the body's homeostasis?

Chemical reactions in the body contribute to maintaining homeostasis by regulating essential processes like temperature, pH, and nutrient balance. These reactions help the body stay in a stable, balanced state despite external changes.

What is the definition of homeostasis?

Homeostasis is the process by which living organisms maintain a stable internal environment, ensuring that key parameters such as temperature, hydration, and blood composition remain constant despite changes in the external environment.

How do plants grow and develop?

Plants grow by increasing their size through cell division and elongation. Growth is typically influenced by both genetic factors and environmental conditions like light, water, and nutrients.

What is reproduction in living organisms?

Reproduction is the biological process by which living organisms produce offspring, ensuring the continuation of their species. It can occur sexually or asexually, depending on the organism.

How are living organisms classified in taxonomy?

Living organisms are classified into hierarchical categories in taxonomy, starting from the broadest level of domain and going down to species. The categories include domain, kingdom, phylum, class, order, family, genus, and species.

What is the correct order of taxonomic categories?

The correct order of taxonomic categories is: Domain, Kingdom, Phylum, Class, Order, Family, Genus, and Species.

Where is the famous botanical garden located in England?

The famous botanical garden in England is located in Kew, London.

What is the Indian Botanical Garden known for?

The Indian Botanical Garden, located in Howrah, is known for its vast collection of plants, especially its famous Banyan tree, and its role in plant conservation and research.

What factors contribute to growth in living organisms?

Growth in living organisms is driven by factors such as genetic instructions, the availability of nutrients, environmental conditions (light, water, temperature), and the organism's ability to repair damaged cells and tissues.