Unit – F

Who is known as the `Father of Computing`? Option A: J Presper Eckert , Option B: Philo Farnsworth , Option C: John Mauchly, Option D: Charles Babbage, correct answer is: Charles Babbage

Hybridization is a process of___. Option A: downward movement of water through soil , Option B: tilling the land , Option C: decayed vegetable matter revitalization, Option D: cross-fertilization between two varieties, correct answer is: cross-fertilization between two varieties

`Bar` is a unit of – Option A: Humidity , Option B: Alcohol content , Option C: Pressure, Option D: Depth, correct answer is: Pressure

The credit of developing the polio vaccine goes to___. Option A: Jones Salk , Option B: Alb E. Sabin , Option C: J. I. Baird, Option D: J. Perkins, correct answer is: Jones Salk

Treatment of Dengue fever may require – Option A: Platelet transfusion , Option B: Antibiotics , Option C: Administration of propanolol, Option D: All of the above, correct answer is: Platelet transfusion

Small amount of iodine is necessary in our diet to____. Option A: Prevent pellagra , Option B: Compensate for underactive thyroid gland , Option C: Stimulate clotting of blood, Option D: Stimulate pituitary gland, correct answer is: Compensate for underactive thyroid gland

Polio virus is primarily transmitted via – Option A: Contaminated food and water , Option B: Mosquito bite water , Option C: Contaminated air, Option D: Mother to foetus, correct answer is: Contaminated food and water

Study of life in outer space is known as___. Option A: endbiology , Option B: exobiology , Option C: enterbiology, Option D: neobiology, correct answer is: exobiology

Which of the following is not a fossil fuel? Option A: Biogas , Option B: Natural gas , Option C: Uranium, Option D: Coal, correct answer is: Biogas   Uranium

Light year is related to ___. Option A: distance , Option B: energy , Option C: speed, Option D: intensity, correct answer is: distance

Bone marrow transplants are effective in cases of – Option A: Thalassemia , Option B: Leukemia , Option C: Anemia, Option D: Diabetes, correct answer is: Thalassemia

Which of the following is not an mRNA vaccine for COVID-19? Option A: Pfizer-BioNTech , Option B: Sinovac , Option C: Moderna, Option D: Walvax, correct answer is: Sinovac

Which is not a difference between bacteria and virus among the followings? Option A: Virus cannot be killed by antivirus , Option B: Bacteria are larger than Virus , Option C: Virus is larger than Bacteria, Option D: Bacteria are single celled but Virus is a Cellular, correct answer is: Virus is larger than Bacteria

For purifying drinking water, alum is used ___. Option A: to coagulate mud particles , Option B: to kill bacteria , Option C: to remove salts, Option D: to remove gases, correct answer is: to coagulate mud particles

A needle sinks in water whereas a ship made of iron floats on it because- Option A: the edge of the needle is pointed. , Option B: the ship is flat. , Option C: the ship is driven by powerful engine., Option D: specific gravity of the needle is greater than that of water displaced by it., correct answer is: specific gravity of the needle is greater than that of water displaced by it.

A person has certain number of cows  and birds. They have 172 eyes and 344 legs. How many cows and birds does he have? Option A: 0 birds and 86 cows , Option B: 86 birds and 0 cows , Option C: 43 birds and 43 cows, Option D: 10 birds and 76 cows, correct answer is: 0 birds and 86 cows

The buoyancy depends on Option A: the shape of the body , Option B: the mass of the body , Option C: the mass of the liquid displace, Option D: the depth to which the body is immersed, correct answer is: the mass of the liquid displace

Which of the following is not correct about digital camera? Option A: It can work like a sensor , Option B: The lower the number of dots, the crispen the image , Option C: Both \’A\’ and \’B\’ are right, Option D: Both \’A\’ and \’B\’ are wrong, correct answer is: Both \’A\’ and \’B\’ are right

The energy of food is measured in- Option A: Kelvin , Option B: Calories , Option C: Bushel, Option D: none of the abvoe, correct answer is: Calories

Which instrument is used for seeing objects at the surface of water from a submarine under water? Option A: Kaleidoscope , Option B: Periscope , Option C: Spectroscope, Option D: Telescope, correct answer is: Periscope

Who invented Jutton? Option A: Siddique Ullah , Option B: Siddique Ullah , Option C: Mohammadulla, Option D: Mohammadullah, correct answer is: Siddique Ullah

When asked in an hour exam how much time is left, the teacher answered the amount of time is left is 1/5 of the time already completed. How much time is left? Option A: 10 mins , Option B: 20 mins , Option C: 12 mins, Option D: 15 mins, correct answer is: 12 mins

The gas used for artificial ripening of green fruit Option A: ethane , Option B: ethylene , Option C: oxytocin, Option D: carbon dioxide, correct answer is: ethylene

Agatha Christie`s autobiography is entitled- Option A: Wings of Fire , Option B: Mein Kampf , Option C: Walk This Way, Option D: An Autobiography, correct answer is: An Autobiography

A group of scientists in Bangladesh has recently decoded the genome of- Option A: papaya , Option B: wheat , Option C: cow, Option D: buffalo, correct answer is: buffalo

Which article of the constitution of Bangladesh does contain the provision of `Ombudsman` Option A: Article 7A , Option B: Article 17 , Option C: Article 70, Option D: Article 77, correct answer is: Article 77

Which is the hottest place of Bangladesh? Option A: Lalpur , Option B: Sreemangal , Option C: Patharghata, Option D: Haluaghat, correct answer is: Lalpur

Where is the `Chalan Beel` located? Option A: Pabna & Gaibandha , Option B: Rajshahi & Dinajpur , Option C: Natore & Gaibandha, Option D: Pabna & Natore, correct answer is: Pabna & Natore

If the Taj Mahal is to love, Jallianwala Bagh is to- Option A: Revolution , Option B: War , Option C: Martyrdom, Option D: Sacrifice, correct answer is: Martyrdom

Which endangered species is found in the Sundarbans? Option A: Irawardi Dolphins , Option B: Royal Bengal Tiger , Option C: Pantheratigris, Option D: All of the above, correct answer is: All of the above

`Khodai Pahar Mound` is located in- Option A: Mahastangarh , Option B: Paharpur , Option C: Mainamati, Option D: Sonargaon, correct answer is: Mahastangarh

Padma multipurpose bridge will connect- Option A: Munshiganj to Shariatpur , Option B: Bhuapur to Sirajganj , Option C: Manikganj to Shariatpur, Option D: Munshiganj to Bhuapur, correct answer is: Munshiganj to Shariatpur

Which company has manufactured the satellite `Bangabandhu 1`? Option A: AIRBUS , Option B: Lockheed Martin , Option C: Thales Alenia Space, Option D: Ball Aerospace and Technology, correct answer is: Thales Alenia Space

1024 bytes is equal to- Option A: 1 KB , Option B: 1 MB , Option C: 1 GB, Option D: 1 TB, correct answer is: 1 KB

Which of the following is an Open-Source computer operating system? Option A: MAC OS-X , Option B: Windows 98 , Option C: Linux, Option D: Windows 10, correct answer is: Linux

The largest railway bridge is located on ______ . Option A: Padma , Option B: Brahmaputra , Option C: Meghna, Option D: Karnofuli, correct answer is: Padma

When Was the Jamuna Bridge publicly opened? Option A: 1997 , Option B: 1996 , Option C: 1998, Option D: 1999, correct answer is: 1998

Bangladesh signed its first Preferential Trade Agreement (PTA) with___. Option A: India , Option B: China , Option C: Bhutan, Option D: Russia, correct answer is: Bhutan

What is the position of Bangladesh in Global Competitiveness Index of World Economic Forum in 2016-2017? Option A: 137th , Option B: 110th , Option C: Blank, Option D: 99th, correct answer is: Blank

What is the former name of Bangla Academy? Option A: Ahsan Monjeel , Option B: Chameli house , Option C: Bardhaman House, Option D: Bangla Bhaban, correct answer is: Bardhaman House

Which of the following is currently not presided over by Bangladesh? Option A: South Asian Federation of Accountants , Option B: South Asian Regional Standards Organization , Option C: Inter Parliamentary Union, Option D: Amnesty International, correct answer is: Blank

Bangla Academy has recently published the book written by Bangabandhu Skeikh Mujibur Rahman which is entitled- Option A: Ashamapto Atmojibone , Option B: Karager Rojnamcha , Option C: Amar Dekha Bangladesh, Option D: Eki Swadhinota, correct answer is: Karager Rojnamcha

Who is the architect of `Mishuk`? Option A: Hamidur Rahman , Option B: Mishuk Munir , Option C: Nitun Kundu, Option D: Hamiduzzaman Khan, correct answer is: Hamiduzzaman Khan

Who made the tune of the song, `Amar Bhaiyer Rokte Rangano Ekushey February?` Option A: Abdul Jabbar , Option B: Khan Ataur Rahman , Option C: Dijendra laal, Option D: Altaf Mahmud, correct answer is: Altaf Mahmud

Which of the following novels was dedicated to Kazi Nazrul Islam by Rabindranath Tagore? Option A: Basanta , Option B: Bishorjan , Option C: Dackghar, Option D: Raja`O Rani, correct answer is: Basanta

Whose work is The Night Watch? Option A: Johannes Vermeer , Option B: Rembrandt , Option C: Gilbert Stuart, Option D: Gustav Klimt, correct answer is: Rembrandt

Which of the followings is an oil painting by Zainul Abedin? Option A: Sangram , Option B: Harvest , Option C: Famine, Option D: None of the above, correct answer is: Sangram

Rabindranath Tagore relinquished `Knighthood` as a measure of protest against- Option A: Partition of Bengal , Option B: Press Act of 1910 , Option C: Jallianwala Bagh, Option D: Salt Laws, correct answer is: Jallianwala Bagh

`Tin Konna` is painted by- Option A: S M Sultan , Option B: Jahangir , Option C: Kamrul Hasan, Option D: Joynul Abedin, correct answer is: Kamrul Hasan

Who made the tune of the song, `Amar Bhaiyer Rokte Rangano Eakushey February`? Option A: Abdul Jabbar , Option B: Khan Ataur Rahman , Option C: Dijendra Laal, Option D: Altaf Mahmud, correct answer is: Altaf Mahmud