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Who among the following wrote the novel ‘Rangbhumi: The Arena of Life’? (SSC CGL 13 AUGUST 2021 SHIFT 2 GK)

A. Abindranath Tagore B. Mahatma Gandhi C. Munshi Premchand D. Rabindranath Tagore Solution: C Munshi Pemchand wrote the novel 'Rangbhumi: The Arena of Life'. The novel features an idealist protagonist inspired by Gandhian values.  Some of the works of Gandhiji are My Experiments with Truth and Hind Swaraj. Rabindranath Tagore was awarded the Nobel Prize in Literature for his work "Geetanjali". Hence, option (C) is correct. Read about Books and Authors of Medieval India . 

Which of the following statements about Swami Dayanand Saraswati is INCORRECT? (SSC CGL 31 August 2021 Shift 1 GK)

  1. He authored the book 'Satyarth Prakash'. 2. He was the founder of Arya Samaj. 3. His birthplace was Gujarat. 4. He was the founder of Brahmo Samaj. Solution: 4 Swami Dayanand Saraswati was born on 12 February 1824 in Gujarat. He was an Indian philosopher and social reformer. He was the founder of Arya Samaj. He authored the book 'Satyarth Prakash'. He said Back to the Vedas.  Raja Rammohan Roy was the founder of Brahmo Samaj. Hence, option (4) is correct.  Read more about Books and Authors of Ancient India .

Hakki, Pikki and Siddi are _________ from Karnataka. (SSC CHSL 2020 Exam- 12 April 2021 Shift 1 GK)

A. Dance forms B. Theatre forms C. Languages D. Music Types Solution: C According to a survey conducted by the Peoples’ Linguistic Survey of India (PLSI), 8 languages (out of 50) spoken in Karnataka are potentially endangered and 2 are critically endangered.  Siddi language spoken by the Siddi tribe of Uttara Kannada district and Hakki Pikki have been identified as "critically endangered".  Potentially endangered implies the language spoken by less than 10000 people. Critically endangered language implies the language not spoken by the younger generation of a particular community. Hence, option (C) is correct. Read more about Classical Dances of India .

In India, appointments of persons other than district judges to the judicial service of a State are made by the _______. (RRB NTPC CBT-2 10 May 2022 Shift 1 Level-4)

A. Chief Justice of the High Court B. Prime Minister C. President of India D. Governor of the State Solution: D Article 234 of the Indian Constitution states that the appointments of persons other than district judges to the judicial service of State shall be made by the Governor in accordance with rules made by him on that behalf after consultation with the State Public Service Commission and the High Court of the State.  Article 233 says that the appointments of persons to the post and promotion of district judges in any State shall be made by the Governor in consultation with the High Court of that State.  Read List of Current Governors in India . Hence, option (D) is correct.

The reserve held by commercial banks over and above the statutory minimum with the RBI are called: (OPSC OAS 2021 GS Paper 1)

A. Cash Reserve B. Deposit Reserve C. Monetary Reserve  D. Excess Reserve Solution: D Excess Reserve is the reserve held by commercial banks over and above the statutory minimum with the RBI. RBI sets the criteria for excess reserve.  Excess Reserves= Total Reserves- Required Reserves The RBI’s reserves include: 1. currency and gold revaluation account (CGRA),  2. investment revaluation account (IRA),  3. asset development fund (ADF) and  4. contingency fund (CF)  Read Daily Banking Awareness to know more about Banking Sector in India. Hence, option (D) is correct.

Which one of the following statements concerning research centres in India is not correct? (UPSC CDS II 2016 GK paper)

 A. Rajiv Gandhi Centre for Biotechnology is located at Kolkata. B. Central Arid Zone Research Institute is located at Jodhpur. C. Centre for Social Forestry and Eco-Rehabilitation is located at Allahabad. D. Institute of Forest Productivity is located at Ranchi. Solution: A Rajiv Gandhi Centre for Biotechnology is an autonomous institute of the Department of Biotechnology. It is located in Thiruvananthapuram, Kerala. Central Arid Zone Research Institute is an autonomous organisation that works under the aegis of the Department of Agricultural Research and Education. It is one of the biggest research institutes of ICAR. It is located in Jodhpur, Rajasthan. Centre for Social Forestry and Eco-Rehabilitation is located in Prayagraj, Uttar Pradesh. It aims to nurture and cultivate professional excellence in the field of social forestry and eco-rehabilitation.  Institute of Forest Productivity is a research institute under the Indian Council of Forestry Research and Education. It is located

Allarakha Qureshi who is popularly known as Alla Rakha, is an Indian _________ player. (NTPC CBT 2 Exam- ( 9 May 1st Shift- Level 6)

A. Veena B. Dholak C. Tabla D. Sitar Solution: C Allarakha Qureshi is an Indian Tabla Player. He belonged to Punjab Gharana. His son Zakir Hussain is also a Tabla expert. He was awarded the Padma Shri in 1977 and Sangeet Natak Akademi Award in 1982.  Hence, option (C) is correct. Read more about Padma Awards . 

The Governing Council of NITI Aayog consists of- (OPSC OAS 2021 GS Paper 1)

A. Prime Minister and all Chief Ministers B. Chief Ministers, Experts and Specialists C. Prime Minister, all Chief Ministers and Lieutenant Governors D. Chief Ministers and Finance Minister Solution: C National Institution for Transforming India - NITI Aayog is a government think tank that replaced the Planning Commission . It aims at fostering cooperative federalism and acts as a nodal agency to promote economic development. It was formed on 1 January 2015.  NITI Aayog comprises of Governing Council consisting of Prime Minister, Chief Ministers of all States and UTs (Delhi and Puducherry) and Lieutenant Governors of other UTs. Prime Minister is the ex-officio Chairperson of NITI Aayog. Current Vice Chairperson of NITI Aayog is Suman Bery.   CEO of NITI Aayog: Amitabh Kant Hence, option (C) is correct. 

Citrus Canker disease is caused by- (Telangana PCS GS paper 2016)

A. Virus B. Fungi C. Bacteria D. Mosquito Solution: C Citrus Canker disease is caused by a bacterium named Xanthomonas citri . The disease originated in China.  Other bacterial diseases in plants are- Tundu disease of wheat, wilt of potato, black arm of cotton, bacterial blight of cotton, bacterial leaf blight of rice, crown gall disease.  Read more about Plant Diseases- Bacterial, Viral, Fungal and Deficiency Diseases . Hence, option (C) is correct. 

The vitamin which is effective in blood clotting is- (66th BPSC Prelims Exam GS Paper- 27 December 2020)

 A. Vitamin A B. Vitamin B C. Vitamin D D. Vitamin K E. None of the above/ More than one of the above Solution: D Vitamin K is effective in blood clotting. It prevents excessive bleeding. It helps to make proteins required for blood clotting and the building of bones. Vitamin K includes two natural vitamers: vitamin  K 1  (phylloquinone) and vitamin  K 2  (menaquinone). Some sources of Vitamin K are spinach, asparagus, broccoli, soybean, eggs, meats, strawberries, etc.  The deficiency of Vitamin A causes night blindness. The deficiency of Vitamin B causes Beri-Beri. The deficiency of Vitamin D causes scurvy.  Read more about Vitamins and Minerals - their deficiency diseases and sources .  Hence, option (D) is correct. 

What is the sign of focal length of convex mirror? (JEE Mains 2021- 24 Feb 2021 Shift 1)

A. +ve B. -ve C. Can be +ve or -ve D. None of these Solution: A As per cartesian sign conventions, the focal length of a convex mirror is positive as the image is formed behind the mirror.  Cartesian sign conventions:  1) Light initially propagates from left to right. All signs are taken from the pole of the mirror i.e. origin point. Sign is taken as negative in front of a spherical mirror and positive behind the spherical mirror.  2) If the image is formed behind the mirror, sign will be positive.  3) If the height is measured above the principal axis it will be positive and if measured below the axis, the sign will be negative.  Hence, option (A) is correct. You can also study other topics of Physics like Units and Measurements , Newton's laws of Motion , Light , Force and Pressure , etc. 

The structures of beryllium chloride in solid state and vapour phase, are :

Image
A. Chain and dimer, respectively  B. Linear in both  C. Dimer and Linear, respectively  D. Chain in both Solution: A Structure of Beryllium Chloride in solid state: In solid state,  BeCl 2  combines with another  BeCl 2  to give  Be 2 Cl 4  by forming a coordinate bond and forms chain like structure.  Structure of Beryllium Chloride in vapour state: In vapour state,  BeCl 2  exists as a single molecule having a linear structure Cl-Be-Cl and a bridged dimer.  Hence, option (A) is correct. NOTE: This question was asked in Chemistry section of NEET 2021 exam. The same question was asked in JEE Mains 2019 Exam. You can also study about Chemical Compounds, their formula and uses . 

A periscope makes use of two -

A. Plane Mirrors B. Convex Mirrors C. Concave Mirrors D. Spherical Mirrors Solution: A A periscope is an instrument used to see over, around, or through an object that prevents direct line of sight observation from the observer's position. It makes use of two plane mirrors placed parallel to each other at an angle of 45 ° . A periscope can be used in submarines, tanks and by soldiers in bunkers to see things outside.  Hence, option (A) is correct. Read Class 8 NCERT Notes on Light .