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Question - 1 : ইউনেস্কোর প্রধান কার্যালয় কোথায় অবস্থিত?

a) প্যারিস

b) নিউইয়র্ক

c) রোম

d) জেনেভা

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Question - 2 : চট্টগ্রাম- কক্সবাজার সাবমেরিন কেবলস অপটিকাল ফাইবার স্থাপন করার জন্য বাংলাদেশ সরকারকে কত দূরত্বের ব্যয় বহন করতে হবে?

a) ৩০০ কি.মি

b) ১৭০ কি.মি

c) ৫৭০ কি.মি

d) ৭০০ কি.মি

Discus in Board
Question - 3 : সে আমাকে এটা করতে বাধ্য করল |

a) He made to me do it.

b) He made me to do it.

c) He made me do it.

d) He makes me do it.

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Question - 4 : তুমি আমাকে ভুল বুঝেছো |

a) You’ve understood to me wrongly.

b) You’ve understood me wrongly.

c) You’ve understood me wrong.

d) You’ve understand me wrongly.

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Question - 5 : আমার কাছে কিছু লুকাচ্ছ তুমি |

a) You are hiding something back to me.

b) You are hiding something back to me.

c) You are hiding something backed to me.

d) You are hiding something back me.

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Question - 6 : তুমি সেখানে গেলেই ভালো হইত |

a) You had better to go there.

b) You had better go to there.

c) You had better go there.

d) You had better will go there.

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Question - 7 : What would have happened if.........?

a) The bridge is broken

b) The bridge would break

c) The bridge had broken

d) The bridge has been broken

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Question - 8 : শব্দের তীব্রতা নির্নায়ক যন্ত্র-

a) অ্যামিটার

b) অডিওমিটার

c) অডিওফোন

d) অলটিমিটার

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Question - 9 : ইরাকে কখন মার্কিন-বৃটিশ যৌথ সাময়িক অভিযান শুরু হয়?

a) ২০০৩ সালের ২২ মার্চ

b) ২০০৩ সালের ১৮ মার্চ

c) ২০০৩ সালের ২০ মার্চ

d) ২০০৩ সালের ২৪ মার্চ

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Question - 10 : I took a map with me,as I didn’t want to ………… my way on the journey.

a) loose

b) lose

c) lost

d) loss

Discus in Board

Red Blood Cells (likewise called erythrocytes or RBCs)

Known for their brilliant red shading, red cells are the most bounteous cell in the blood, representing around 40 to 45 percent of its volume. The state of a red platelet is a biconcave circle with a straightened focus - as it were, the two essences of the circle have shallow bowl-like spaces (a red platelet resembles a doughnut).

Generation of red platelets is constrained by erythropoietin, a hormone created fundamentally by the kidneys. Red platelets start as juvenile cells in the bone marrow and after around seven days of development are discharged into the circulation system. In contrast to numerous different cells, red platelets have no core and can without much of a stretch change shape, helping them fit through the different veins in your body. Notwithstanding, while the absence of a core makes a red platelet progressively adaptable, it additionally restricts the life of the cell as it goes through the littlest veins, harming the cell's films and draining its vitality supplies. The red platelet makes due all things considered just 120 days.

Red cells contain a unique protein called hemoglobin, which helps convey oxygen from the lungs to the remainder of the body and afterward returns carbon dioxide from the body to the lungs so it tends to be breathed out. Blood seems red as a result of the huge number of red platelets, which get their shading from the hemoglobin. The level of entire blood volume that is comprised of red platelets is known as the hematocrit and is a typical proportion of red platelet levels.