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Question - 1 : বিশ্বের নতুনতম রাষ্ট্র কোনটি?

a) পূর্ব তিমুর

b) দক্ষিণ সুদান

c) হংকং

d) লাইবেরিয়া

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Question - 2 : The word bountry is closest in meaning to-

a) sympathy

b) dividing line

c) familiar

d) generosity

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Question - 3 : সত্যি সে অত্যন্ত সুন্দর কথা বলে......

a) She spoke very nice indeed!

b) She speaks very nice indeed!

c) She is speaking very nice indeed!

d) She speaks very nice deed!

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Question - 4 : আবু সায়েফ গেরিলা গোষ্ঠী কোন দেশে তৎপর ?

a) ইন্দোনেশিয়া

b) ইরাক

c) ফিলিপাইন

d) থাইল্যান্ড

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Question - 5 : অক্সফাম(Oxfam)এর সদর দপ্তর কোথায়?

a) লন্ডন

b) ক্যামেনিক্স

c) নিউইয়র্ক

d) হেগ

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Question - 6 : Divide 30 by half and 10. what do you get ?

a) 70

b) 25

c) 45

d) 55

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Question - 7 : Cozy Bear একটি কি?

a) হ্যাকার গ্রুপ

b) চুক্তি

c) বিনোদনকেন্দ্র

d) নদী

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Question - 8 : মোটা হতে শুরু করার আগেই আরো বেশি ব্যায়াম করা তোমার জন্য ভালো হয় |

a) You had better do more exercise before you start getting fat.

b) You had better do more exercised before you start getting fat.

c) You had better do more exercise before you started getting fat.

d) You had better do more exercise before you start get fat.

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Question - 9 : কোণ সংখ্যার ১/২ অংশের সাথে ৬ যোগ করলে সংখ্যাটির ২/৩ অংশ হবে,সংখ্যাটি কত?

a) ৫৩

b) ৫৬

c) ৩৬

d) ৩৫

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Question - 10 : মুসলমান প্রধান না হয়েও কোন দেশটি ইসলামী সম্মেলন সংস্থার সদস্য?

a) নাইজেরিয়া

b) লেবানন

c) নাইজারনুমো

d) উগান্ডা

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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.