1. What does ISDN stand for in computers?
- ISDN stands for Integrated Services Digital Network.
It utilizes phone lines already in use to deliver data, voice, and video content over the digital phone lines.
2. How many pairs of ribs are there in human body?
- 12 pairs of ribs.
The first seven pairs are called true ribs and are directly attached to the sternum by costal cartilages. Sternum is a bony process in the front of the chest.
The 8th, 9th, and 10th pairs are called false ribs. They do not join the sternum directly but are connected to the 7th rib by cartilage.
The 11th and 12th pair of ribs are called floating ribs because they are only attached to the back of the rib cage, anchored to the vertebrae of the spine.
3. Which is the nearest star to Earth other than the Sun?
- The nearest star to Earth other than the Sun is a triple-star system called Alpha Centauri.
The two main stars are Alpha Centauri A and Alpha Centauri B, which form a binary pair. The third one is Proxima Centauri. They are about 4.35 light-years from Earth, according to NASA.
4. What does the acronym OPEC stand for?
- Organization of Petroleum Exporting Countries.
It is an intergovernmental organization of 13 countries. It was founded on 14 September 1960 in Baghdad by the first five members. Since 1965, it has been headquartered in Vienna, Austria. But Austria is not an OPEC member state.
5. After death, body gets stiffened, what is the name given to this condition?
- Rigor Mortis.
Rigor mortis is a post-mortem change resulting in the stiffening of the body muscles due to chemical changes in their myofibrils. Rigor mortis helps in estimating the time since death as well to ascertain if the body had been moved after death.
This period runs from 3 to 72 hours after death. The early post-mortem phase is most frequently estimated using the classical triad of post-mortem changes – rigor mortis, livor mortis, and algor mortis.
6. Which volcano has the loudest explosions in recorded history?
It is a small volcanic island in Indonesia between Java and Sumatra.
Its violent eruption in 1883 killed over 36,000 people and was the greatest explosions in recorded history.
7. What kind of school literally means ‘children’s garden’ in Germany?
Kindergarten is a preschool educational approach based on playing, singing, practical activities such as drawing, and social interaction as part of the transition from home to school.
The term dates back to the 19th century. Friedrich Froebel (1782-1852) started the first kindergarten, Garden of Children, in 1840.
8. What is the most powerful piece in a game of chess?
- Queen / Minister.
Queen is able to move any number of squares vertically, horizontally or diagonally, combining the power of the rook and bishop.
Each player starts the game with one queen, placed in the middle of the first rank next to the king.
9. The Vedas are the basic scriptures of which religion?
The Vedas are the most ancient religious texts which define truth for Hindus. They got their present form between 1200-200 BCE and were introduced to India by the Aryans.
Hindus believe that the texts were received by scholars direct from God and passed on to the next generations by word of mouth.
The four Vedas are the Rigveda (Knowledge of the Verses), the Yajurveda, the Samaveda, and the Atharvaveda. The first three Vedas,
Rig, Yajur, and Sama are known as the trayi-vidya (“threefold knowledge”).
10. Which organization was replaced by the United Nations in 1945?
- League of Nations.
The League of Nations was the first worldwide intergovernmental organisation whose principal mission was to maintain world peace. It was founded on 10 January 1920 by the Paris Peace Conference that ended the First World War.
It was headquartered in Geneva, Switzerland, created after the First World War to provide a forum for resolving international disputes.
The mandates were administered by France and Britain, two council members. The League promised to improve conditions for workers, stop drug trafficking, help trade and control disease.