Tag: general knowledge

Bodh Gaya is where Siddhartha Gautama attained enlightenment under the Bodhi tree, becoming Buddha. He was born in Lumbini, died in Kushinara, and delivered his first sermon at Sarnath.

Chhattisgarh's capital is Raipur, Jharkhand's is Ranchi, and Uttarakhand (Uttaranchal) has Dehradun as its capital. These three states were formed in 2000. Patna is Bihar's capital, and Nainital is a city in Uttarakhand, not its capital.

Convex mirrors are used as rear-view mirrors because they provide a wider field of view and always form virtual, erect, and diminished images. This allows drivers to see larger area behind. Concave mirrors magnify, and plane mirrors don't widen the field.

A transistor is a semiconductor device that can amplify or switch electronic signals. It's the fundamental building block of modern electronics. It's not an inductor (stores energy in magnetic field), modulator, or demodulator.

Wax is a lipid (fat), not a carbohydrate. Sucrose, starch, and maltose are all carbohydrates - sucrose and maltose are disaccharides, starch is a polysaccharide. Waxes are esters of long-chain fatty acids with long-chain alcohols.

Kalidas was a renowned Sanskrit poet and dramatist during the Gupta period, often called the Shakespeare of India. He wrote classics like Abhijnanasakuntalam, Meghaduta, and Raghuvamsa. He lived in the 4th-5th century CE, not during Harshvardhana's reign (7th century).

Nalanda was the most famous ancient centre of learning in India, established in the 5th century CE. It attracted scholars from across Asia and was a Buddhist monastery-university. Ujjain was an astronomical centre, Allahabad gained prominence later.

Bauxite is the principal ore of aluminum, containing hydrated aluminum oxides like gibbsite and boehmite. Chromite is an ore of chromium, Cuprite is a copper ore (Cu2O), and Siderite is an iron carbonate ore (FeCO3). Bauxite is the primary source of aluminum metal globally.

Nathu La is a mountain pass in the Himalayas connecting Sikkim (India) to the Tibet Autonomous Region (China). It was reopened for trade in 2006 after being closed since the 1962 Sino-Indian war, significantly boosting cross-border commerce between the two nations.