The diversity of life on Earth is truly remarkable, with countless species of fauna and flora thriving across various ecosystems. Our article, Fauna and Flora of the World GK MCQs With Answer & Explanation in English, provides a comprehensive set of multiple-choice questions to test and expand your knowledge of the world’s incredible biodiversity.
From unique animals to rare plant species, this guide offers detailed answers and explanations to help you better understand the wonders of nature. Dive in to explore and learn about the fascinating wildlife and vegetation that make our planet so extraordinary!
1. Enoplotrupes tawangensis, which is in the news recently, is a new species of which of the following beetles?
- Dung beetle
- Mountain pine beetle
- Lady beetle
- Coconut hispine beetle
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Answer: Dung beetle
Enoplotrupes tawangensis is a newly discovered species of dung beetle found in the Tawang district of Arunachal Pradesh, India. This beetle species is notable for its striking shining dark blue coloration and relatively large size, measuring up to 27 mm. In the world of dung beetles, this size is comparatively larger than many other species. Dung beetles play a vital ecological role by helping to decompose organic matter, particularly dung, which contributes to nutrient cycling in ecosystems.
2. Which of the following directly depends on solar radiation for their survival?
- Plants
- Cows
- Bacteria
- None of the above
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Answer: Plants
Plants are autotrophic organisms, which means they can produce their own food through the process of photosynthesis. They utilize sunlight, water, and carbon dioxide to synthesize organic compounds, primarily sugars, which serve as their source of energy and building blocks for growth.
3. This vegetation is marked by low rainfall, sandy soil, high temperature vulnerability, trees having short leaves and deep roots. Which of the following is one of them?
- Xerophytic vegetation
- Tropical evergreen
- Taiga vegetation
- Tundra vegetation
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Answer: Xerophytic vegetation
Xerophytic vegetation refers to plant communities adapted to arid or desert environments characterized by high temperatures, low precipitation, and sandy or dry soils. These plants have evolved various adaptations to conserve water and thrive in such challenging conditions.
4. Heliophytes term is used for –
- Sun-loving plants
- Shade-loving plants
- Saline plants
- None of the above
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Answer: Sun-loving plants
Heliophytes are plants that thrive in full sunlight and require substantial exposure to the sun for their growth and development. These sun-loving plants have adaptations that enable them to capture and utilize solar radiation efficiently. Characteristics of heliophytes may include leaves with increased chlorophyll content for photosynthesis and strategies to cope with potential water loss under intense sunlight. They are commonly found in open, well-lit habitats and are well-suited to compete for sunlight.
5. Which of the following best describes the endemic species?
- Species which are found over a large area
- Species which are restricted to a small area
- Species which are found in alpine regions
- None of the above
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Answer: Species which are restricted to a small area
Endemic species are those species that have a limited geographical distribution and are restricted to a particular area or habitat. They are unique to that specific location and are not found naturally elsewhere.
6. Black Rhino is found in which of the following regions?
- India
- Namibia
- Nepal
- Indonesia
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Answer: Namibia
The Black Rhino (Diceros bicornis) is primarily found in Namibia and the coastal regions of East Africa. It is one of the two African rhinoceros species and is known for its two horns. Black Rhinos have faced severe population declines due to poaching for their horns, which are highly valued in some traditional medicine practices. Conservation efforts are ongoing to protect and preserve this endangered species.
7. Eastern Lowland Gorilla is found in which of the below regions?
- Rainforests of eastern Democratic Republic of the Congo
- Amazon forests of Brazil
- Western Ghats of India
- None of the above
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Answer: Rainforests of eastern Democratic Republic of the Congo
The Eastern Lowland Gorilla (Gorilla beringei graueri) inhabits the rainforests of the eastern Democratic Republic of the Congo (DRC). It is one of the two recognized subspecies of eastern gorilla and is known for its large size and silver-gray fur. Unfortunately, the Eastern Lowland Gorilla population has been impacted by habitat destruction and poaching, making them a critically endangered species.
8. Which of the following can now only be found in Java’s Ujung Kulon National Park, in Indonesia?
- Javan Tiger
- Javan Leopard
- Javan Rhino
- All of the above
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Answer: Javan Rhino
The Javan Rhino (Rhinoceros sondaicus) is one of the most critically endangered rhinoceros species and is currently only found in Java’s Ujung Kulon National Park in Indonesia. Their small remaining population is a result of habitat loss and poaching for their horns. Conservation efforts are focused on protecting their habitat and ensuring their survival in the wild.
9. Which of the following is the smallest of all living rhinos and the only rhino in Asia to sport two horns?
- Indian Rhino
- Sumatran Rhino
- White Rhino
- None of the above
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Answer: Sumatran Rhino
The Sumatran Rhino is the smallest of all living rhinos and the only rhino in Asia to sport two horns.
10. Which of the following is the world’s rarest marine mammal?
- Dugong
- Vaquita
- Sea Horse
- Whale
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Answer: Vaquita
Vaquita is the world’s rarest marine mammal with a population of just 10.
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