Basic Information of Daily Science Inventions and
26. What is the scientific name of Vitamin C?
- ক. Nitric Acid
- খ. Ascorbic Acid
- গ. Blue Berry
- ঘ. Black Berry
উত্তরঃ Ascorbic Acid
27. Who discoverd Oxygen in 1774?
- ক. Galileo
- খ. Joseph Priestly
- গ. Neil Bohre
- ঘ. Newton
উত্তরঃ Joseph Priestly
29. What do scientists beleve global warming is caused by?
- ক. The earth getting older
- খ. Human activity
- গ. Changes in animals
- ঘ. The rainforest
উত্তরঃ Human activity
30. Every atom of Carbon di-oxide contains -- Oxygen and --- Carbon.
- ক. 1, 2
- খ. 2, 1
- গ. 1, 1
- ঘ. 2, 2
উত্তরঃ 2, 1
31. What is there in the North Polar region?
- ক. Arctic Ocean
- খ. Anterctic Ocean
- গ. Antarctica Continent
- ঘ. Arctic continent
উত্তরঃ Arctic Ocean
32. Which of these is not a planet in the Solar System?
- ক. Mars
- খ. Neptune
- গ. Venus
- ঘ. Pluto
উত্তরঃ Pluto
33. Wher is the headquarters of the UN Security council located at?
- ক. Washington
- খ. Paris
- গ. New York
- ঘ. Tokyo
উত্তরঃ New York
34. Which organization of UNO declared prohibition on Clone human chiled?
- ক. UNDP
- খ. WHO
- গ. UNESCO
- ঘ. WFO
উত্তরঃ WHO
35. The Lunar Eclipse occurs when?
- ক. The Moon lies between the Sun and the Earth
- খ. The Earth lies between the Sun and the Moon
- গ. The Sun lies between the Earth and the Moon
- ঘ. When the new Moon occurs
উত্তরঃ The Earth lies between the Sun and the Moon
37. What is the difference between Bangladesh Standard Time and Greenwich Mean Time?
- ক. 6 hours
- খ. 8 hours
- গ. 10 hours
- ঘ. 5 hours
উত্তরঃ 6 hours
38. "To every action there is an equal and oposite reaction"-- this theory has been given by--
- ক. Copernicus
- খ. Newton
- গ. Alexander
- ঘ. Archimedes
উত্তরঃ Newton
39. Submarin cable is the term used in--
- ক. Education system
- খ. Communication system
- গ. Data transformation
- ঘ. Information Technology
সঠিক উত্তরের জয় বিস্তারিত দেখুন
40. What is the acceptable safe limit of Arsenic per liter of water?
- ক. 0.01 mg
- খ. 0.001 mg
- গ. 0.20 mg
- ঘ. 0.02 mg
উত্তরঃ 0.01 mg
41. What is the normal temperature of human body?
- ক. 96.4° F
- খ. 94.4° F
- গ. 95.4° F
- ঘ. 98.4° F
উত্তরঃ 98.4° F
42. Which Vitamin do we get from sun ray?
- ক. vitamin A
- খ. vitamin C
- গ. vitamin E
- ঘ. vitamin D
উত্তরঃ vitamin D
43. Which disease appeared as a threat to our poultry sector in recent years?
- ক. Chiken Anaemia
- খ. Avian Leukosis
- গ. Avian pox
- ঘ. Avian Influenza
উত্তরঃ Avian Influenza
45. What does Angstrom measure?
- ক. quality of liquid
- খ. length of light waves
- গ. length of cables
- ঘ. speed of ships
উত্তরঃ length of light waves
48. Hygrometer is used to measure--
- ক. relative humidity
- খ. purity of milk
- গ. specific gravity of a liquid
- ঘ. intensity of earthquakes
উত্তরঃ relative humidity
49. Which one of the following has the shortest wave length?
- ক. Alpha-ray
- খ. Beta-ray
- গ. X-rey
- ঘ. Gamma-ray
উত্তরঃ Gamma-ray
50. Which of the following is a computer operating system?
- ক. Oracle
- খ. Unix
- গ. SPSS
- ঘ. Java
উত্তরঃ Unix