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মুক্তিযুদ্ধের ৯ নাং সেক্টরের এলাকাসমূহ -
A চট্রগ্রাম , পার্বত্য চট্রগ্রাম ও ফেণী নদী
B খুলনা জেলার দক্ষিণাঞ্চল, বরিশাল ও পটুয়াখালী
C কুষ্টিয়া, যশোর , ফরিদপুরের অধিকাংশ ও খুলনা জেলার উত্তরাঞ্চল
D সিলেট জেলার পূর্বাঞ্চল ও পূর্ব উত্তর দিকে সিলেট ডাউকি রোড পর্যন্ত।
Which one of the following is the correct sequence of passage of light in a compound microscope?
A Condenser -Objective lens -Eye -piece -Body tube
B Objective lens -Condenser -Body tube -Eye piece
C Condenser -Objective lens -Body tube -Eyepiece
D Eyepiece -Objective lens -Body tube -Mirror
What is a compound microscope?
A A microscope that has one lens.
B A microscope that has two sets of lenses : an occular lens and an eyepiece.
C A microscope whose lenses are concave.
D A microscope whose lenses are convex.
It is difficult to "discern" the sample that is on the slide unless the microscope is adjusted. (Choose the best alternative that replaces quoted words)
A discard
B arrange
C determine
D debate
Which one is correct indirect speech of the sentence He said to me, "What are you doing with microscope?"
A He asked me that what I was doing with microscope
B He asked me what I was doing with microscope
C None
Which one is the correct indirect speech of the sentence: He said to me, “what are you doing with microscope?”
A He asked me that what I was doing with microscope
B He asked me what I was doing with microscope
C He asked me what was doing my me with microscope
D None
Microphone: Loud :: Microscope ___ ?
A Elongate
B Magnify
C Investigate
D Examine
Bacteria that can not be seen under microscope in Gram stain smear are
A Treponema palladium
B Mycobacterium leprae
C Mycoplasma pneumoniae
D Streptococcus pyogens
E Clostridium tetani
Which microscope is often used to view metal surfaces?
A Optical microscopes
B Scanning tunneling microscopes
C Electron microscopes
D None of the above
The resolution limit of electron microscope is
A 2 V
B 1 A.V
C 1.5 A.V
D 1.2 A.V

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