Related Questions

(i) Why do we remember May Day? (ii) What significant changes happened due to that event? (iii) How did the event happen? (iv) What can be done in present day as a result of that event ? (v) Mention the moral of that event.
A (i) We remember May day as it reminds us about the historic struggle of working people throughout the world
B (II) All the fortunate workers enjoy today-a minimum wage, safety laws and 8 hour workday due to that event.
C (iii) Police fired into a crowd of strikers at the McCormick arvest Machine Company, Chicago, killing at least one striker, seriously wounding five or six others and injuring an undetermined number.
D (iv) The events of May day 1886 is a remind that workers will continue to be subjugated until they stand up and speak out to gain better working conditions, better pay and better lives.
E (V) Workers will not be ever down in term of their right. (All)
The discovery of penicillin was a ------- event
A Sensible
B Sensational
C Senile
D Sensitive
The discovery of penicillin was a ----- event.
A sensible
B sensational
C senile
D sensitive
In what ratio must a mixture of 11% sugar strength be mixed with that of 25% sugar strength so as to get a new mixture of 13% sugar strength?
A 5:1
B 6:1
C 7:2
D 10:3
Penicillin কে আবিস্কার করেন?
A Robert Brown
B Alexander Fleming
C Robert Kotch
D Joseph Lister
Fill in the blank by choosing the appropriate word/words : Alexandar Flemming ---- penicillin.
A Inventing
B Discovered
C Invented
D Made
Alexander Fleming ---- penicillin .
A inventing
B discovered
C invented
D made
Penicillin is widely used as -
A an antiseptic
B a disinfectant
C an insecticide
D an antibiotic
Alexander Fleming ----- penicillin.
A investing
B discovered
C invented
D made
বাণিজ্যিকভাবে নিচের কোনটি থেকে পেনিসিলিন তৈরি হয়? (Which one of the following produces penicillin commercially?)
A Penicillium notatum
B Penicillium chrysogenum
C Penicillium roqueforti
D Penicillium camemberti

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