Class 12 Swadesh Adhyayan Important Chapter 3 Biodiversity

Class 12 Swadesh Adhyayan Important Chapter 3 Biodiversity Solutions English Medium As Per AHSEC New Syllabus to each chapter is provided in the list so that you can easily browse through different chapters ASSEB Class 12 Swadesh Adhyayan Additional Solutions in English and select need one. AHSEC Class 12 Swadesh Adhyayan Additional Solutions Download PDF. HS 2nd Year Swadesh Adhyayan Important Solutions.

Class 12 Swadesh Adhyayan Important Chapter 3 Biodiversity

Also, you can read the NCERT book online in these sections Solutions by Expert Teachers as per Central Board of Secondary Education (CBSE) Book guidelines. ASSEB Class 12 Swadesh Adhyayan Additional Question Answer are part of All Subject Solutions. Here we have given HS 2nd Swadesh Adhyayan Important Solutions English Medium for All Chapters, You can practice these here.

Biodiversity

Chapter: 3

PART – I: GEOGRAPHY

IMPORTANT QUESTION AND ANSWER

Short Type Questions and Answers:

1. What does biodiversity include?

Ans: Biodiversity includes the variety of life forms on Earth, from microorganisms to plants and animals, as well as the ecosystems they inhabit.

2. What is the difference between species richness and species evenness?

Ans: Species richness refers to the number of different species in an area, while species evenness describes how evenly individuals are distributed among those species.

3. Why is the tropical region rich in biodiversity?

Ans: The tropical region has favorable climatic conditions like warmth, rainfall, and sunlight, which support a wide variety of species.

4. What is the significance of genetic diversity?

Ans: Genetic diversity allows species to adapt to changing environments and is essential for the survival of species, especially in the face of diseases or environmental shifts.

5. How does habitat destruction affect biodiversity?

Ans: Habitat destruction leads to the loss of species’ natural environments, which results in the decline or extinction of species that depend on those habitats.

6. What is the role of aquatic ecosystems in biodiversity?

Ans: Aquatic ecosystems, such as rivers, lakes, and oceans, support a wide range of species, help regulate water cycles, and contribute to global food webs.

7. What is a biodiversity hotspot?

Ans: A biodiversity hotspot is a region with a high level of species endemism that is experiencing significant threats from human activities.

8. Why is Assam considered a biodiversity hotspot?

Ans: Assam has diverse ecosystems, such as forests, wetlands, and grasslands, which support a wide range of species, making it one of India’s biodiversity hotspots.

9. What does the term “ecological diversity” refer to?

Ans: Ecological diversity refers to the variety of ecosystems, such as forests, deserts, grasslands, and wetlands, and the roles they play in maintaining ecological balance.

10. How does climate change affect biodiversity?

Ans: Climate change alters the habitats of many species, making it harder for them to survive, and can lead to shifts in species distributions, reproductive cycles, and ecosystem functions.

Fill in the Blanks:

1. The science of biodiversity is comparatively a __________ science.

Ans: New.

2. The largest scale of biodiversity is __________ diversity.

Ans: Ecosystem.

3. The region of Assam is one of the biodiversity hotspots of __________ India.

Ans: Northeast.

4. The Shannon index is an example of an __________ statistic index.

Ans: Information.

5. The process of species extinction has been accelerated since the appearance of __________.

Ans: Homo sapiens.