GK Test (Static)

Neon gas produces the characteristic bright red-orange glow when electrically excited, making it ideal for colorful advertisement signs. While other noble gases can be used, neon is the most common and gives these signs their name.

Trypsin is a proteolytic enzyme produced in the pancreas that specifically breaks down proteins into smaller peptides and amino acids during digestion. It does not act on fats or carbohydrates, and its role is catabolic (breaking down), not anabolic (synthesizing).

Starfish are echinoderms, a completely different phylum from fish. Sharks, eels, and seahorses are all vertebrates in the fish phylum, while starfish are invertebrates with radial symmetry and a water vascular system.

The pyramids of Giza, located on the outskirts of Cairo, Egypt, are the most famous pyramids in the world and were built as tombs for pharaohs during the Old Kingdom period.

The Election Commission of India consists of the Chief Election Commissioner and two Election Commissioners, making it a three-member body. It was a single-member commission until 1989, but was expanded to enhance its independence and functioning.

The Bengal Gazette, founded by James Augustus Hicky in 1780, was the first newspaper printed in India. It was a weekly publication that began in Calcutta and is considered the pioneer of Indian journalism.

Magnesium wire burns with an intense white light when ignited, making it ideal for flash bulbs in photography. Magnesium has a low ignition point and produces a very bright flash, illuminating the scene briefly.

Annie Besant became the second President of the Theosophical Society in 1907 after Colonel Henry Steel Olcott. She was a prominent social reformer, Indian independence activist, and played a key role in the Home Rule Movement.

A light year is a unit of distance equal to the distance light travels in vacuum in one year, approximately 9.46 trillion kilometers. It is commonly used to measure astronomical distances between stars and galaxies.

Kanchipuram, also known as Kanchi, was the capital city of the Pallava dynasty that ruled parts of South India from the 4th to 9th centuries CE. The city is famous for its temples and silk sarees.

A pH value of 7 is neutral, so a range of 6.5-7.5 indicates nearly neutral soil. Values below 7 are acidic, while values above 7 are alkaline (basic). Most crops prefer slightly acidic to neutral soil conditions.

The Eiffel Tower is located in Paris, France, and was built as the entrance arch for the 1889 World's Fair. It has become the most recognizable symbol of Paris and one of the most famous landmarks in the world.

Zinc is the primary metal used for galvanizing iron because it forms a protective oxide layer that prevents corrosion through sacrificial protection. Mercury, cadmium, and tin are used in other plating processes but not galvanization.

Razia Sultan (1236-1240 CE) was the daughter of Iltutmish, who designated her as his heir despite opposition from nobles. She was the first and only female ruler of the Delhi Sultanate.

The father's chromosomes determine the child's sex because males contribute either an X or Y chromosome while females always contribute an X. An XY combination produces a male, while XX produces a female.

A fuse is a safety device that limits current by melting and breaking the circuit when current exceeds its rated capacity. Grids, hubs, and conductors are circuit components that do not provide current limiting protection.

The President of India is the head of state (ceremonial head) while the Prime Minister is the head of government (executive head). This separation follows the parliamentary system where executive power vests in the PM and Council of Ministers.

The Nilgiri Biosphere Reserve was the first established in India in 1986 under UNESCO's Man and Biosphere Programme. It covers parts of Tamil Nadu, Kerala, and Karnataka and is known for its rich biodiversity.

Stars appear to twinkle because of atmospheric scattering and refraction of light as it passes through moving air layers of varying density. This continuous shifting causes the star's apparent position and brightness to fluctuate rapidly from Earth's perspective.

Insufficient dietary iodine causes the thyroid gland to enlarge (goiter) as it tries to compensate for low iodine levels needed to produce thyroid hormones. Cretinism results from congenital iodine deficiency, not acquired dietary deficiency.

The anther is the male reproductive part of a flower that produces and contains pollen grains. Sepals protect the flower bud, petals attract pollinators, and neither produces pollen.

Baking soda is sodium bicarbonate (NaHCO3), a leavening agent that releases carbon dioxide when heated or combined with acid. Potassium carbonate is a different compound, NaOH is sodium hydroxide (lye), and NaCO3 is not a stable compound.

Foot and mouth disease is a highly contagious viral disease affecting cloven-hoofed animals including cattle, sheep, pigs, goats, and deer. It causes severe economic losses in livestock farming.

The speed of sound in an ideal gas depends on temperature and gas composition, but is independent of pressure at constant temperature. Humidity affects it (water vapor changes gas properties), temperature affects it directly, and 'volume' is not a property that changes the speed of sound in the physics context of this question.

Bauxite is the primary ore of aluminium. The Hall-Heroult process is used to extract aluminium from bauxite ore, which is first purified into alumina using the Bayer process.