প্রশ্নঃ Ecology deals with:

বর্ণনাঃ Ecology is the study of the relationships between living organisms, including humans, and their physical environment; it seeks to understand the vital connections between plants and animals and the world around them.

প্রশ্নঃ Which of the following is used in pencils?

বর্ণনাঃ Most pencil cores are made of graphite powder mixed with a clay binder. Graphite pencils (traditionally known as 'lead pencils') produce grey or black marks that are easily erased, but otherwise resistant to moisture, most chemicals, ultraviolet radiation and natural aging.

প্রশ্নঃ Light year is related to:

বর্ণনাঃ Light Year is related to distance. A light-year is a unit of distance. It is the distance that light can travel in one year. Light moves at a velocity of about 300,000 kilometers (km) each second.

প্রশ্নঃ Which of the following is the disease caused by the bite of a mad dog?

বর্ণনাঃ Rabies. In some areas known as “mad dog disease” because the transmission of the disease is frequently associated with bites by infected dogs. Hydrophobia is the commonest name and relates to the major symptom.

প্রশ্নঃ Which instrument is used to measure blood pressure?

বর্ণনাঃ A sphygmomanometer is a device used to measure blood pressure, composed of an inflatable cuff to collapse and then release the artery under the cuff in a controlled manner, and a mercury or aneroid manometer to measure the pressure.

প্রশ্নঃ Joule is a unit of :

বর্ণনাঃ The joule (symbol J) is the SI unit of energy—a measure of the capacity to do work or generate heat. One joule equals the work done (or energy expended) by a force of one newton (N) acting over a distance of one meter (m).

প্রশ্নঃ What is the sovereign country rating of Bangladesh by Moody's?

বর্ণনাঃ The BB- rating reflects the country’s low economic development and limited fiscal flexibility owing to a combination of constrained revenue-generation capacity, high debt-servicing costs and heavy spending to improve its basic infrastructure and government services.

প্রশ্নঃ Who is the new prime minister of Pakistan?

বর্ণনাঃ On 18 August 2018, former cricketer Imran Khan was sworn in as the country's 22nd prime minister.

প্রশ্নঃ From which of the following countries does Bangladesh get highest amount of aid?

বর্ণনাঃ Bangladesh is the largest country receiving Japan's grant aid in the form of the debt relief.

প্রশ্নঃ In which direction does a magnetic compass needle always point?

বর্ণনাঃ A compass needle points north because the north pole of the magnet inside is attracted to the south pole of Earth's built-in magnet.

প্রশ্নঃ What was the name of the first cloned sheep?

বর্ণনাঃ Dolly (July 5, 1996 - February 14, 2003), a ewe, was the first mammal to have been successfully cloned from an adult cell. She was cloned at the Roslin Institute in Midlothian, Scotland, and lived there until her death when she was six years old. Her birth was announced on February 22, 1997.

প্রশ্নঃ The world's largest nuclear power station is located in:

বর্ণনাঃ Tokyo Electric Power Co.'s (TEPCO) Kashiwazaki-Kariwa plant in Japan is currently the world's largest nuclear power plant, with a net capacity of 7,965MW.

প্রশ্নঃ Where is 'Chimbuk Hill' situated?

বর্ণনাঃ Chimbuk hill is the third highest mountain in Bangladesh. Chimbuk is one of the most familiar tourist spot in Bandarban. It is just 26 kilometer away from Bandarban sadar. Chimbuk hill is about 2500 feet high above sea level.

প্রশ্নঃ Who is the architect of the National Monument of savar?

বর্ণনাঃ National Martyrs Memorial is situated in Nabinagar, Savar approximately 35 km from Dhaka. The memorial designed by architect Moinul Hossain is dedicated to the sacred memory of the freedom fighters.

প্রশ্নঃ Where is the headquarters of European union?

বর্ণনাঃ The European Union does not have one main building where all the seven institutions of the EU are located. However the capital of the European Union is located in Brussels, Belgium.

প্রশ্নঃ Many Islands make up a/an

বর্ণনাঃ An archipelago, sometimes called an island group or island chain, is a chain, cluster or collection of islands, or sometimes a sea containing a small number of scattered islands.

প্রশ্নঃ APEC stands for :

বর্ণনাঃ APEC stands for the Asia-Pacific Economic Cooperation Forum. Today, APEC has 21 members. Headquarters: Queenstown, Singapore Establishment: 1989

প্রশ্নঃ The regulatory agency for the insurance sector in Bangladesh is:

বর্ণনাঃ Insurance Development and Regulatory Authority of Bangladesh (IDRA) is the only government body for regulating and developing the insurance sector of Bangladesh since 2010.

প্রশ্নঃ Which one is the unit of sound?

বর্ণনাঃ The unit of sound is decibel (dB) and is defined as the ratio of sound pressure to reference pressure. dB = 10 log (X1/X2).

প্রশ্নঃ Mushrooms belong to which of the following groups?

বর্ণনাঃ Mushroom, the conspicuous umbrella-shaped fruiting body (sporophore) of certain fungi, typically of the order Agaricales in the phylum Basidiomycota but also of some other groups.

প্রশ্নঃ What sort of 'wave is used in mobile phone networks?'

বর্ণনাঃ Cellphones receive and transmit electromagnetic waves. These waves fall between 800 and 2400 megahertz.

প্রশ্নঃ Orthopedics is related to:

বর্ণনাঃ Orthopedics is a medical specialty that deals with the treatment of bones and muscles.