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Question - 1 : আপনার আসন নাম্বার হচ্ছে ৬ডি |

a) Your seat number is 6D.

b) Your seat number at 6D.

c) Your seat number in 6D.

d) Your seat number of 6D.


Discus in Board
Question - 2 : শব্দের তীব্রতা নির্নায়ক যন্ত্র-

a) অ্যামিটার

b) অডিওমিটার

c) অডিওফোন

d) অলটিমিটার


Discus in Board
Question - 3 : বিদ্যাপতি কোথাকার কবি ছিলেন ?

a) বর্ধমানের

b) বৃন্দাবনের

c) মিথিলার

d) নবদ্বীপের


Discus in Board
Question - 4 : তুমি আসলেই মাথা মোটা |

a) You are real ediotic.

b) You are really ediotic.

c) you are really to ediotic.

d) You are really ediotics.


Discus in Board
Question - 5 : নিচের কোন চুক্তিটি যুক্তরাষ্ট্রির সিনেটে অনুমোদিত হয়নি?

a) সল্ট-২ চুক্তি(SALT-2)

b) সল্ট-১ চুক্তি(SALT-1)

c) এবিএম চুক্তি(ABM)

d) ষ্টার্ট-১ চুক্তি(START-1)


Discus in Board
Question - 6 : পিতা ও মাতা বয়সের গড় ৪৫ বছর। আবার পিতা, মাতা ও এক পুত্রের বয়সের গড় ৩৬ বছর।পুত্রের বয়স কত?

a) ৯ বছর

b) ১৪ বছর

c) ১৫ বছর

d) ১৮ বছর


Discus in Board
Question - 7 : তোমার আরো বেশি ব্যায়াম/অনুশীলন করা উচিত |

a) You should done more exercise.

b) You should do more exercise.

c) You should do more exercised.

d) You should to do more exercise.


Discus in Board
Question - 8 : মানুষের হৃৎপিন্ডে কতটি প্রকোষ্ঠ থাকে?

a) আটটি

b) ছয়টি

c) দুটি

d) চারটি


Discus in Board
Question - 9 : তার আনন্দ আর ধরে না |

a) He is besides himself with joy.

b) He is beside to himself with joy.

c) He is beside himself with joy.

d) He is beside himself with in joy.


Discus in Board
Question - 10 : সে খুব স্লো (ধীর)। আমি তাকে সহজে অতিক্রম করতে পারি |

a) He is slow enough to me to overtake.

b) He is slow enough for me to overtake.

c) He is slow enough for me to overtakes.

d) He is slow enough for me overtake.


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.