RRB JE (Railways Junior Engineer) CBT CBT 1 - Full Test 7 Free Online Test

• In 1918, the British Government formed a committee under Justice Rowlatt to suggest ways to curb seditious activities in India. 
• The Viceroy of India at that time was Lord Chelmsford. 
• The Rowlatt Act 1919 gave unrestrained powers to the government to arrest and imprison suspected people without any trial. 
• Gandhi called for a Satyagraha against this draconian act and he was arrested soon after that. 

• Bengal Gazette or the Original Calcutta General Advertiser was an English language weekly newspaper published in Kolkata (then Calcutta), the capital of British India.
• It was the first newspaper printed in Asia and was published for two years before the East India Company seized the newspaper's types.

• The Nagarjuna Dam is the world’s largest and tallest masonry dam which is built across the Krishna River at NagarjunaSagar in the Nalgonda district of Telangana.
• It has an installed capacity of ‎about 816 MW (1,094,000 HP)

Bhagirathi and Alaknanda rivers meet at Devprayag. The two headstreams meet at Devprayag (Uttarakhand) to form the Ganges. Vishnuprayag, Nandaprayag, Karnaprayag, Rudraprayag and Devprayag are Panch Prayags (five prayags) where prayag refers to meeting point of two or more rivers.

Panchayati Raj generally refers to the system introduced by the constitutional amendment in the Constitutional 73rd Amendment Act 1992 came into force to provide constitutional status to the Panchayati Raj institutions.

• There are three All India Services in India.
• These include the Indian Administrative Service (IAS), the Indian Forest Service (IFS) and the Indian Police Service (IPS) which are all Civil services of India.
• While the members of these services are placed under various states, they are recruited by the Centre.
• Indian Foreign Services and Indian Engineering Service are under central civil services.

Born in 1723, Adam Smith is regarded as the Father of Economics due to his immense contribution to the subject. Amongst his many books, the most famous is Wealth of Nations (1776) which is regarded as the first work in modern economics. Smith influenced many later thinkers such as Karl Marx, Joseph Schumpeter, David Ricardo and many more.

The United Nations Environment Programme has been established by the United Nations General Assembly in pursuance of the Stockholm Conference. The UNEP worked as catalyst stimulator and coordinator among the member states on the environmental action.

Namdapha National Park is the largest protected area in the Eastern Himalaya biodiversity hotspot and is located in Arunachal Pradesh in Northeast India.

Project Tiger is a tiger conservation programme launched in 1973 by the Government of India during Prime Minister Indira Gandhi's tenure.

The project aims at ensuring

1) a viable population of Bengal Tigers in their natural habitats,

2) protecting them from extinction,

3) preserving areas of biological importance as a natural heritage

• Ustad Bismillah Khan used to play Shehnai.
• Ustad Bismillah Khan (1916 – 2006) (Real name is Qamaruddin Khan), was an Indian musician credited with popularizing the Shehnai.
• Shehnai is a musical instrument which is similar to the oboe (common in India, Pakistan, and Bangladesh.)
• He was honoured with India's highest civilian honour, the Bharat Ratna in 2001 thus becoming the third classical musician after M. S. Subbulakshmi and Ravi Shankar to be awarded this distinction.
• On his 102nd birth anniversary, he was honoured by Google with a Google doodle.

• “Lollapalooza Music festival” was held in August 2018 in Chicago.
• It started in the year 1991 and since then it is celebrated annually.
• It is a multi-genre (Alternative rock, punk rock, heavy metal, pop, hip hop, electronic ) delight which is celebrated every year in the USA.
• It includes music, dance, comedy and craft booths, etc.

• The Gandhi Peace Prize for the years 2015,2016,2017 and 2018 were announced on 16 January 2019.
• Vivekananda Kendra got the prize for 2015.
• Akshaya Patra Foundation and Sulabh International got the prize for 2016.
• EkalAbhiyan Trust got the prize for 2017.
• Yohei Sasakawa got the prize for 2018.
• The annual prize was instituted by the Government of India in 1995.

• The author of 'Feisty At Fifty' is Sudha Menon.
• 'Feisty at Fifty' is both, a moving personal story and the ultimate guide to make fifties, the most fabulous decade of your life.
• It is all about celebrating mid-life discoveries, and generally feeling great about ourselves.

• The color of the skin is produced by the pigment Melanin. It is produced within the skin by cells called Melanocytes.
• Haemoglobin gives the red color to blood and helps in the transport of oxygen. Insulin controls the level of sugar in the blood.
• Adrenaline is a stress hormone released from the adrenal glands.

Beta cells are unique cells in the pancreas that produce, store and release the hormone insulin. The main function of a beta cell is to produce and secrete insulin-the hormone which is responsible for regulating levels of glucose in the blood.

• Sleeping sickness is caused by trypanosoma and that is why it is called African trypanosomiasis.
• Sleeping sickness is transmitted by tsetse fly.
• Sleeping sickness is sickness which happens in two stages.

Symptoms of the Sleeping Sickness:

1. First stage-Fever, headache and joint pain
2. Second stage- disturbance in sleeping pattern, personality changes and lethargy

• Lysosomes are called “Suicidal Bags” because whenever a cell is damaged the lysosome bursts releasing all the digestive enzymes and thus killing the cell as well as itself.
• The lysosome is a membrane-bound organelle that contains an array of enzymes, capable of breaking down all types of biomolecules like proteins, carbohydrates and lipids.
• The lysosomes also act as the waste disposal system of the cell by digesting unwanted materials.

The development of fruits without fertilization of the ovules is called parthenocarpy. The fruits which are formed by this process are seedless. Example- banana, pineapple, etc.

The edible part of coconut (Cocosnucifera) is endosperm.

Leprosy is a contagious disease that affects the skin, mucous membranes, and nerves, causing discoloration and lumps on the skin and, in severe cases, disfigurement and deformities. It is a long term infection caused by the bacteria Mycobacterium leprae andMycobacterium lepromatosis

• The pharynx is a part of the respiratory system and also a part of the digestive system.
• The pharynx has 3 parts: Nasopharynx, Oropharynx, and Laryngopharynx. The lower two part - the oropharynx and the laryngopharynx are involved in the digestive system. The Nasopharynx connects to the esophagus and it serves as a passageway for both air and food. 

Modern electric bulbs are usually filled with a mixture of argon and nitrogen. More rarely, some bulbs are filled with pure argon, krypton or xenon.

• Ohm’s law (V = IR) is applicable only to conductors and not to insulators. Even conductors like vacuum tubes, semiconductors, transistors, thermistors do not obey Ohm’s law. 
• Vacuum tubes are non ohmic conductors. Even though it is known that ohm's law is followed by conductors. There are some conductors that do not follow ohm's law and they are known as non ohmic conductor.

Nephometer:

• An instrument designed to measure the amount of cloudiness
• It consists of a convex hemispherical mirror mapped into six parts.
• the amount of cloud coverage on the mirror is noted by the observer and then cloudiness is measured

• Steam Engine is an example of an external heat engine. 
• An external heat engine is such that the engine heat is produced outside the engine. 
• In case of an internal heat engine, this heat is produced in the engine. 
• Petrol and diesel engines are examples of internal heat engines. 

At low pressure and high temperature, real gas can act as an ideal gas as the intermolecular force of attraction is negligible.

In total internal reflection, the light must travel from a denser medium to rarer medium (e.g. glass to air or water to air).