1
Analyse the role of biodiversity in maintaining ecological balance and its importance for human survival, referencing at least two specific examples from India. 5marks
2
Explain the concept of 'Sacred Groves' and how they demonstrate the age-old tribal belief in nature worship and conservation. Provide examples of communities or trees revered in India. 4marks
3
Case Study: The Chipko Movement in the Himalayas is a prime example of community-led conservation. Elaborate on how this movement successfully resisted deforestation and promoted afforestation with indigenous species. 4marks
4
Discuss the major threats that led to the dwindling population of tigers in India, as highlighted by the need for 'Project Tiger'. 3marks
5
The Indian Wildlife (Protection) Act, 1972, was a landmark legislation. Describe its key provisions aimed at protecting habitats and endangered species. 3marks
6
Differentiate between 'Reserved Forests' and 'Protected Forests' in India, explaining their significance for conservation and resource management. 2marks
7
Explain the concept of 'Joint Forest Management' (JFM) and how it aims to involve local communities in the restoration and management of degraded forest lands. 3marks
8
Describe the interdependence between flora, fauna, and human existence, using the example of forests as primary producers. 2marks
9
How has the increase in human population and insensitivity towards the environment contributed to the stress on forest and wildlife resources in India? 2marks
10
Source-based Question: "Conservation strategies are not new in our country. We often ignore that in India, forests are also home to some of the traditional communities. In some areas of India, local communities are struggling to conserve these habitats along with government officials, recognising that only this will secure their own long-term livelihood. In Sariska Tiger Reserve, Rajasthan, villagers have fought against mining by citing the Wildlife Protection Act."(a) How do local communities in India contribute to conservation efforts? [1 mark](b) Explain the significance of the Sariska Tiger Reserve example in community-based conservation. [2 marks](c) Why is it crucial to secure the long-term livelihood of communities while conserving forests? 2marks
11
Explain the meaning of biodiversity and why it is considered essential for the Earth's ecosystems. 2marks
12
Critically examine the impact of colonial policies on forest and wildlife resources in India, leading to their depletion. 3marks
13
Identify and explain any two species that have been given legal protection under wildlife conservation programmes in India, apart from the tiger. 2marks
14
Assertion: Conservation of forests and wildlife is essential for preserving our life support systems. Reason: Forests and wildlife are primary producers and maintain ecological balance.(a) Both assertion and reason are true, and the reason is the correct explanation of the assertion.(b) Both assertion and reason are true, but the reason is not the correct explanation of the assertion.(c) Assertion is true, but the reason is false.(d) Assertion is false, but the reason is true. 1mark
15
What are 'Unclassed Forests', and how do they differ from reserved and protected forests in terms of ownership and management? 2marks
16
Discuss the importance of preserving genetic diversity of plants and animals for better growth and breeding of species. 2marks
17
Case Study: The Beej Bachao Andolan in Tehri and Navdanya are initiatives promoting ecological farming. Explain how these movements demonstrate the economic viability and success of diversified crop production without synthetic chemicals. 4marks
18
How does the concept of 'nature worship' among tribal communities in India contribute to the conservation of rare species and pristine forests? 3marks
19
Explain the role of forests as primary producers in the ecological system. 1mark
20
Data Interpretation: The tiger population in India has seen fluctuations over the years. From an estimated 55,000 at the turn of the century, it dwindled to 1,827 by 1973. Projects like 'Project Tiger' were launched to address this.(a) What was the percentage decline in the tiger population by 1973 from the estimated number at the turn of the century? (Show calculation) [2 marks](b) What were the major reasons cited for this drastic decline in the tiger population? 2marks
Answers
1
Biodiversity refers to the variety of life forms within a given ecosystem, biome, or the entire Earth. It includes the diversity of species, genes, and ecosystems. Biodiversity is crucial for human survival because it maintains ecological balance. Forests, as primary producers, form the base of food webs, provide oxygen, regulate climate, and prevent soil erosion. For example, the maintenance of aquatic biodiversity is essential for fisheries, a significant source of food and livelihood. The diverse flora and fauna, including micro-organisms, purify water and air, and produce fertile soil, all vital for human existence.
2
'Sacred Groves' are patches of forest or parts of larger forests that have been left untouched by local people due to the belief that they are the abode of deities or spirits. This age-old tribal belief in nature worship signifies reverence for all creations of nature and their protection. These groves often preserve virgin forests with diverse and rare species. For instance, the Mundas and Santhals of Chota Nagpur worship Mahua and Kadamba trees, while tribals in Odisha and Bihar worship Tamarind and Mango trees during weddings, demonstrating the integration of spiritual beliefs with forest conservation.
3
The Chipko Movement, originating in the Himalayas, was a grassroots environmental movement where local communities, particularly women, physically embraced trees to prevent them from being felled by forest contractors. This non-violent resistance successfully halted deforestation in several areas. It also championed the cause of community afforestation using indigenous tree species, proving that local communities could effectively manage and regenerate forest resources, thereby securing their livelihoods and preserving the ecological integrity of the region.
4
The major threats that led to the drastic decline in the tiger population in India include: poaching of tigers for their skins and bones (used in traditional medicines, especially in Asian countries), shrinking habitats due to expanding human populations and infrastructure development, and the depletion of their prey base species, which are also affected by habitat loss and hunting.
5
The Indian Wildlife (Protection) Act, 1972, was implemented to protect habitats and endangered species. Its key provisions include: banning the hunting of specified endangered species, providing legal protection to their natural habitats (like national parks and wildlife sanctuaries), and restricting the trade of wildlife products. This act aims to ensure the survival of species by safeguarding their populations and living environments.
6
Reserved Forests are considered the most valuable for forest and wildlife conservation. More than half of the total forest land in India is classified as reserved. They are managed by the Forest Department for timber production and conservation. Protected Forests constitute about one-third of the total forest area. These lands are protected from further depletion, ensuring the conservation of forest resources and preventing over-exploitation.
7
Joint Forest Management (JFM) is a programme initiated in India (formalised in 1988 with Odisha's resolution) that involves the formation of local village institutions. These institutions undertake the protection activities, primarily on degraded forest lands managed by the Forest Department. In return for their efforts in protecting the forests, members of these communities are entitled to benefits such as non-timber forest produce and a share in the timber harvested from successfully protected areas, thereby promoting community participation in forest conservation.
8
Forests are the primary producers in the ecological system. This means they form the base of most food chains, converting solar energy into organic matter through photosynthesis. Plants produce oxygen, which is essential for the respiration of all animals, including humans. They also regulate the climate, prevent soil erosion, and are the habitat for a vast array of wildlife. The entire complex web of life, on which human existence depends, is sustained by the productivity of forests.
9
The increasing human population leads to greater demand for land for agriculture, housing, and infrastructure, resulting in deforestation and habitat destruction. Human insensitivity towards the environment manifests as unsustainable exploitation of resources, pollution, and a lack of awareness about the consequences of environmental degradation. This collective impact results in the depletion of flora and fauna, loss of biodiversity, and disruption of ecological balance.
10
(a) Local communities in India contribute significantly to conservation efforts through traditional practices, nature worship, and active participation in movements like Chipko and JFM. They protect habitats, fight against destructive activities like mining, and manage forest resources sustainably. 1mark(b) The Sariska Tiger Reserve example is significant because it shows villagers actively fighting against destructive practices (mining) by invoking laws like the Wildlife Protection Act. This demonstrates how local communities can be powerful advocates and protectors of wildlife habitats when their livelihoods are linked to the health of the ecosystem. [2 marks](c) It is crucial to secure the long-term livelihood of communities because their active involvement and cooperation are essential for the success of conservation efforts. When communities benefit from conservation and their basic needs are met, they become stakeholders and custodians of the environment, leading to more sustainable outcomes. [2 marks]
11
Biodiversity, or biological diversity, refers to the vast array of life forms on Earth, encompassing the diversity of species, genetic variations within species, and the variety of ecosystems. It is essential for ecosystems because it ensures stability, resilience, and productivity. A diverse ecosystem can better withstand environmental changes, diseases, and other disturbances, and it provides a wide range of resources and services that support life.
12
During the colonial period, forest and wildlife resources in India were exploited extensively to meet the demands of the British Empire. This included: clearing vast tracts of forests for timber (used for shipbuilding and railway expansion), establishing plantations of commercial crops like tea and coffee, and encouraging hunting as a sport, which led to the decimation of wildlife populations. Forest lands were often declared government property, disregarding the rights and traditional practices of local communities.
13
Two species that have been given legal protection under wildlife conservation programmes in India are:
- The One-Horned Rhinoceros: Primarily found in Assam's Kaziranga National Park, conservation efforts have focused on protecting its habitat and preventing poaching.
- Kashmir Stag (Hangul): This endemic species of Kashmir has faced severe population decline, and conservation measures aim to protect its habitat in Dachigam National Park.
14. (a) Both assertion and reason are true, and the reason is the correct explanation of the assertion.
15. 'Unclassed Forests' are forests and wastelands that belong to both government and private individuals or communities. Unlike reserved and protected forests, which are systematically managed by the Forest Department for specific purposes like timber production or protection, unclassed forests are often less regulated and their management can vary widely depending on the owner.
16. Preserving the genetic diversity of plants and animals is vital for agriculture and livestock. It ensures the availability of a wide range of traditional crop varieties and breeds that can be more resistant to diseases, pests, and changing environmental conditions. This genetic pool allows for selective breeding and the development of new varieties that are better suited for specific climates or possess desirable traits, thereby enhancing food security and agricultural productivity.
17. The Beej Bachao Andolan and Navdanya, through their work in Tehri and other regions, have demonstrated that diversified crop production using traditional methods and indigenous seeds, without relying on synthetic chemicals, is not only possible but also economically viable. They promote ecological farming practices that maintain soil fertility, conserve water, and preserve biodiversity, proving that sustainable agriculture can be profitable and benefit local communities while protecting the environment.
18. The concept of 'nature worship' among tribal communities involves revering elements of nature, such as forests, trees, mountains, and animals, as sacred or divine. This deep spiritual connection fosters a sense of responsibility towards protecting these natural elements. By leaving sacred groves untouched and banning interference, these communities have preserved pristine forests and rare species for generations, demonstrating a profound and effective method of conservation rooted in cultural and spiritual beliefs.
19. Forests act as primary producers because they are the foundation of most food chains. Through photosynthesis, they convert solar energy, water, and carbon dioxide into organic compounds (food) and release oxygen. This process sustains all other life forms in the ecosystem, making forests critical for the flow of energy and nutrients through the environment.
20. (a) Estimated tiger population at turn of century = 55,000. Tiger population in 1973 = 1,827. Decline = 55,000 - 1,827 = 53,173. Percentage decline = (Decline / Original Population) * 100 = (53,173 / 55,000) * 100 ≈ 96.68%. [2 marks]
(b) The major reasons cited for the drastic decline in the tiger population were: poaching for trade of skins and bones, shrinking habitats due to human encroachment and development, and the depletion of prey base species. [2 marks]
