Odisha Day : April 1 April Fool's Day : April 1 World Autism Awareness Day : April 2 International Day for Mine Awareness and Assistance in Mine Action : April 4

Self-injury Awareness Day: March 1 World Wildlife Day : March 3 National Defence Day: March 3 National Security Day: March 4

1. Indian Coast Guard Day: February 1 2. World Wetland Day: February 2 3. World Cancer Day: February 4 4. International Day of Zero Tolerance to Female Genital Mutilation: Februarv 6

1. Army Medical Corps Establishment Day : January 1 2. Pravasi Bharatiya Divas (India) : January 9 3. World Hindi Day : January 10 4. National Youth Day : January 12

1. World AIDS Day : December 1 2. International Day for the Abolition of Slavery : December 2 3. International Day of Persons with Disabilities : December 3 4. Navy Day : December 4

The Swedish Academy has announced that 2019 Nobel Prize in Literature has gone to Mr. Peter Handke, an Austrian novelist, on October 10, 2019. Mr. Peter Handke receives it for "an influential work that with linguistic ingenuity has explored the periphery and the specificity of human experience".

Indian-American Mr. Abhijit Banerjee, Ms. Esther Duflo and Mr. Michael Kremer have been awarded the Nobel Prize in Economics for their "experimental approach to alleviating global poverty".

Ethiopian Prime Minister Mr. Abiy Ahmed Ali was awarded the 2019 Nobel Peace Prize on October 11, 2019. The Norwegian Nobel Committee points out that the Award is the recognition for his efforts to resolve the long-running conflict with neighbouring Eritrea to achieve peace and international cooperation and more particularly for his decisive initiative to resolve the border conflict with Eritrea.

The 2019 Nobel Prize in Chemistry has been awarded to Mr. John B. Goodenough, Mr. M. Stanley Whittingham and Mr. Akira Yoshino "for the development of lithium-ion batteries".

1. Which state government's Medical & Health Depart­ment has received the WHO's 'World No Tobacco Day Award, 2019' ? (A) Rajasthan (B) Gujarat (C) Chattisgarh (D) West Bengal

1. Which of the following is not a feature of Discovery ? (A) Discovery of a dockyard (B) Rectangular and circular fire alters for animal sacrifice (C) Depiction of a ship on a seal (D) Evidence of the use of the plough

জাতির জীবন যখন কুসংস্কারের ঘন অন্ধকারে আচ্ছন্ন হয়, যখন চারিদিকে অন্যায় ও অসত্যের রাহুগ্রাসে কবলিত হয়, যখন দুর্বলের উপর প্রবলের সীমাহীন অত্যাচার ও নিপীড়নে সাধারণ মানুষ দিশাহারা ও উদ্ভ্রান্ত হয়, তখন আসে সেই শুভক্ষণ, মহাজন্মের শুভলগ্ন, আবির্ভুত হন জোতির্ময় পুরুষ ।

1. Where was the First Session of the Indian National Congress held in December 1885 ? (A) Ahmedabad (B) Bombay (C) Calcutta (D) Delhi

1. —— is when the more power hungry components, such as the monitor and the hard drive, are put in idle. (A) Hibernation. (B) Power down. (C) Standby mode. (D) The shutdown procedure 2. Hard disk drives are considered —— storage. (A) flash (B) nonvolatile (C) temporary (D) nonpermanent

1. The Mughals ruled India for one and a half centuries effectively and gave political unity to the country. In which of the following fields could they not succeed fully ? (A) An efficient system of administration (B) Political stability (C) Development of trade and industry (D) Establishment of a common culture and unification of all communities to become a homogeneous nation

1. An eye defect which usually results from an unequal curvature of the cornea is (A) nearsightedness (B) astigmatism (C) colour blindness (D) night blindness 2. The velocity of sound in air (under normal conditions) is (A) 30 m/sec (B) 320 m/sec (C) 332 m/sec (D) 3,320 m/sec

শব্দ সম্পর্কিত বিভিন্ন ছোট ছোট প্রশ্নের উত্তর ও আলোচনা বিভিন্ন বোর্ডের পরীক্ষায় আগত প্রশ্নপত্র এবং বিভিন্ন কম্পিটিটিভ এক্সাম এ আগত প্রশ্নের সংক্ষিপ্ত উত্তর আলোচনা করা হলো ।

Breathing — involves intake of oxygen (inspiration) from atmospheric air and expulsion of carbon dioxide (expiration). The respiratory system is composed of nostrils, wind pipe or trachea, bronchi and bronchioles, lungs. The lungs are enclosed in a compartment formed by the ribs, the breast bone and backbone and perform the function of respiration.

Human beings can suffer from acquired or congenital diseases. Congenital diseases are those defects or disorders present from birth and resulting from errors in metabolism or defective body development.

Diet denotes the group of all edible substances essential for growth and maintenance of the body. The important components of diet are proteins, fats, carbohydrates, vitamins, salts and water.