General Knowledge (Mixed)

Salim Ali, known as the Birdman of India, was the country's most renowned ornithologist (bird scientist). He made significant contributions to the study and conservation of birds in the Indian subcontinent through his research and writings.

The Dr. B.C. Roy National Award is indeed presented for outstanding contributions in the field of Medical Science. It is named after the renowned physician Dr. Bidhan Chandra Roy and recognizes excellence in medical practice and research.

Yen is the official currency of Japan. The question has a grammatical error with an unnecessary blank space before 'is', but the factual answer about Japanese currency is correct.

Kerala is the largest producer of rubber in India, accounting for the majority of the country's natural rubber cultivation. The state's tropical climate with high rainfall and humidity provides ideal conditions for rubber plantations.

A derby refers specifically to a horse race event. The term originated from the Derby Stakes, a famous horse race founded in 1780 by the Earl of Derby. It is now used generically for major horse racing events worldwide.

Coal and petroleum are fossil fuels that form from the accumulation and compression of organic matter over millions of years. This process occurs in sedimentary rocks, which are formed through the deposition and cementation of sediments. Metamorphic and igneous rocks like granite do not contain these fossil fuels.

Amyotrophic lateral sclerosis (ALS), also known as Lou Gehrig's disease, is a progressive neurodegenerative disease that affects motor neurons in the brain and spinal cord. These neurons control voluntary muscle movement, making ALS a disorder of the nervous system. It does not primarily affect the cardiac, respiratory, or excretory systems.

The Netherlands, particularly Amsterdam, is world-renowned for its diamond cutting industry. This tradition dates back to the 16th century when Jewish diamond cutters fled persecution and settled in the Netherlands. Amsterdam remains one of the world's major diamond trading and cutting centers, known for its precision and expertise in diamond processing.

Koyali (also known as Koyali) Refinery is located in Gujarat, India. It is one of the largest refineries in the country and is operated by Indian Oil Corporation Limited (IOCL). The refinery is situated near Vadodara in the state of Gujarat, which is a major hub for petroleum refineries in India.

Mazagon Dock Limited (MDL) is a major shipyard located in Mumbai, which is situated on the Konkan coast of India. It is one of India's leading defense shipyards, known for building warships and submarines for the Indian Navy. Hirakud is a dam in Odisha, while Rialko and Frelkop appear to be fictional or incorrect options.

The decimal system, including the concept of zero and place-value notation, was invented and developed by ancient Indian mathematicians. Scholars like Aryabhata (5th century CE) and Brahmagupta (7th century CE) made significant contributions. This system was later transmitted to the Islamic world and then to Europe, where it revolutionized mathematics.

Qutubuddin Aibak, a Turkish slave general, founded the Slave Dynasty (also known as the Mamluk Dynasty) in India in 1206 CE after the death of his master Muhammad Ghori. He was the first Sultan of the Delhi Sultanate and ruled from 1206 to 1210 CE. The dynasty is called the Slave Dynasty because several of its rulers were originally slaves who rose to power.

Aryabhata (476-550 CE) was a pioneering Indian mathematician and astronomer who made significant contributions to algebra. His work 'Aryabhatiya' included solutions to linear and quadratic equations, place-value system, and astronomical calculations. While the term 'algebra' comes from Arabic (Al-Jabr by Al-Khwarizmi), Aryabhata's contributions to algebraic concepts predate Islamic mathematics and were foundational.

Scurvy is a disease caused by deficiency of vitamin C (ascorbic acid). Vitamin C is essential for the synthesis of collagen, a protein important for healthy skin, blood vessels, and connective tissues. Without adequate vitamin C, the body cannot produce collagen properly, leading to symptoms like bleeding gums, fatigue, and poor wound healing. Fresh fruits and vegetables, especially citrus fruits, are rich sources of vitamin C.

Phycology is the branch of biology that studies algae, including their physiology, structure, ecology, and classification. Chronology is the science of arranging events in order, zoology studies animals, and phrenology is the pseudoscience of determining character from skull shape.

Ocimum sanctum (now Ocimum tenuiflorum) is the scientific name for Tulsi or Holy Basil, a sacred plant in Hindu tradition. The other options are not real scientific names - they appear to be garbled or fictional terms.

Corrasion is the erosion process where rock debris carried by water grinds and wears away the riverbed, forming circular potholes. Corrosion is chemical dissolution, collision is impact without erosion, and 'congrave' appears to be a misspelling or non-existent term in this context.

Lead is used for containers storing strong acids because it forms a protective oxide layer that resists further reaction with most acids. Copper reacts with oxidizing acids, tin can react with strong acids, and brass (copper-zinc alloy) is also reactive.

Emperor Ashoka was born in 304 BC. He ruled the Mauryan Empire from 268-232 BC, converting to Buddhism after the Kalinga War (261 BC). The other dates are incorrect - 289 BC is too late for his birth.

The Himalayas are geologically young fold mountains formed approximately 50 million years ago by the collision of the Indian and Eurasian tectonic plates. They continue to rise today due to ongoing tectonic activity, making them the archetypal example of young folded mountains in geography. The Nilgiris are much older, while Yaahk and Zilhari are not standard mountain names in this context.

Guillain-Barré Syndrome (GBS) is an autoimmune disorder where the immune system attacks the peripheral nervous system, specifically damaging the myelin sheath surrounding nerves. This causes muscle weakness, tingling sensations, and can progress to paralysis. It does not primarily affect the cardiac, excretory, or integumentary (misspelled as 'intugmentary') systems, though secondary complications may occur.

Panini (c. 4th century BCE) was an ancient Sanskrit grammarian from Gandhara. He authored the Ashtadhyayi, the foundational text of Sanskrit grammar. His work is considered one of the greatest intellectual achievements of ancient India.

Deforestation causes droughts by reducing moisture recycling and rainfall, floods by decreasing water absorption in soil, and soil erosion by removing tree roots that hold soil. Therefore, all these consequences occur together as interconnected environmental impacts.