General Knowledge

The seasons change because the Earth revolves around the Sun, causing different parts of the Earth to receive varying amounts of sunlight throughout the year. This revolution leads to the cyclical pattern of seasons.

The World Wide Web was invented at CERN (the European Organization for Nuclear Research) by Tim Berners-Lee in 1989. CERN is widely recognized as the birthplace of the Web.

Afghanistan joined the South Asian Association for Regional Cooperation (SAARC) in 2007, becoming the eighth member of the organization. The other countries listed were founding members and joined much earlier.

John Austin presented his "Theory of Sovereignty" in his book "The Province of Jurisprudence Determined," which was published in 1832. This is a well-documented fact in legal philosophy.

Silk is produced by the pupa of the silkworm when it spins its cocoon. The larva (caterpillar) stage produces the silk thread to form the cocoon, but the actual silk comes from the pupa inside the cocoon.

Keemiya-e Saadat (The Alchemy of Happiness) was written by Abu Hamid Muhammad ibn Muhammad al-Ghazali, commonly known as Al-Ghazali. This is confirmed by multiple reliable sources including Wikipedia and Islamic literature references. The option C, which refers to Ibn Arabi, is incorrect as he is a different scholar. Therefore, the correct answer is D, Abu Hamid Muhammad ibn Muhammad al-Ghazali.

The Orange River is the longest river in South Africa, flowing westwards to the Atlantic Ocean. It does not flow through Indonesia, Egypt, or Mexico.

Dasman Palace is a historic palace located in Kuwait, known for its architectural and cultural significance.

Augusta Raurica is an ancient Roman archaeological site located near Basel in Switzerland, making option C the correct answer.

The University of Al Quaraouiyine (Karueein) in Fez, Morocco, founded in 859 AD, is recognized as the oldest existing and continually operating university in the world. Other universities like Bologna are older in Europe but not worldwide.

John Stuart Mill's famous work "On Liberty" was published in 1859, making option A the correct answer.

Brazil is internationally renowned for the Samba dance, which originated there and is a key part of its cultural identity, especially during Carnival.

The High Courts in India were established under the Indian High Courts Act of 1868, which provided for the creation of High Courts in the presidency towns. The other acts mentioned do not pertain to the establishment of High Courts.

India has agreed to build a satellite tracking station in Cambodia, which is a strategic move to enhance its space capabilities and regional cooperation. This is a confirmed development reported in recent years, making Cambodia the correct answer.

Antarctica contains the largest volume of ice on Earth, holding about 90% of the world's ice and 70% of its fresh water, making it the correct answer.

Pakistan introduced the National Identity Card (NIC) system in 1957, making option B the correct answer. The other years listed do not correspond to the introduction of NICs in Pakistan.

Transportation and trade are considered tertiary activities because they involve the provision of services rather than the production of goods or raw materials.

Project Skybender is a Facebook initiative aimed at boosting 5G internet speeds using high-altitude drones. Therefore, the correct answer is Facebook, not Google.

A standard modern piano typically has 88 keys, which includes 52 white keys and 36 black keys. This is the widely accepted standard for an ordinary piano.

Maize, rice, and wheat are all types of cereal crops, which are grasses cultivated for their edible grains. They are not root crops or legumes, making 'Cereal Crops' the correct category.

Charles Prior Hall, a California furniture designer and design student at San Francisco State University, invented the modern waterbed in 1968. Initially, he aimed to create an innovative chair but shifted focus to a bed using a vinyl bladder filled with water. He patented the waterbed in 1971 (U.S. Patent 3,585,356) and founded Innerspace Environments to manufacture and sell it. The waterbed uses water as a support medium, distinguishing it from traditional beds, and became popular in the 1970s and 1980s. This invention is well-documented and credited to Charles Prior Hall, confirming that option C, Waterbed, is correct.

Alexander the Great's famous horse was named Bucephalus. This is a well-known historical fact, and none of the other options correspond to his horse's name.

A double landlocked country is one that is landlocked and surrounded only by other landlocked countries. Uzbekistan and Liechtenstein are the only two such countries in the world, making option A correct.

In Italian culture, the number 13 is traditionally regarded as a lucky number. This positive view is linked to religious and cultural associations, such as the Virgin Mary and the belief that a group of thirteen people can defeat the devil. Additionally, the phrase "fare tredici" (to make thirteen) from the Italian football pools (Totocalcio) symbolizes hitting the jackpot, reinforcing 13 as a symbol of good fortune and success. Conversely, the number 5 is not commonly considered lucky in Italy, and the number 17, rather than 13, is often viewed as unlucky in Italian superstition.

The first solid chocolate bar was created in 1847 by Joseph Fry, who discovered that adding melted cocoa butter back into Dutch-processed cocoa produced a moldable paste that could be formed into bars. There is no exact date in the early 1830s or specifically 1831 for the first chocolate bar. Therefore, among the given options, 'There is no sure date' is the most accurate answer, as the precise year of the first chocolate bar's appearance is 1847, which is not listed in the options.