Top 1000 Biology MCQs - Frequently Asked MCQs for Competitve Exams

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Questions At A Glance
Why is the laryngoscope instrument used ? Which metal causes Minamata disease ? Scientist Slyden was a citizen of which country ? Hargobind Khorana completed his undergraduate and postgraduate courses from which university ? What is the diagnostic tests done for tuberculosis ? In what year was Hargobind Khorana born ? Who Discovered the Nucleus ? Which animal has pectin in its retina ? What is the percentage of protein in one egg ? Which of the following is used to ripen fruits artificially through gas ?
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Top 1000 Biology MCQs - Frequently Asked MCQs for Competitve Exams

 1  Scientist Slyden was a citizen of which country ?

[A] Germany

[B] Ukraine

[C] Russia

[D] USA

ANS : Germany

 2  Who Discovered the Nucleus ?

[A] Morgan

[B] Waldair

[C] Robot Brown

[D] Bayliss

ANS : Robot Brown

 3  Which metal causes Minamata disease ?

[A] Mercury

[B] Lead

[C] Arsenic

[D] Cadmium

ANS : Mercury

 4  Which of the following is used to ripen fruits artificially through gas ?

[A] Acetylene

[B] Acrolin

[C] Methine

[D] Ethylene

ANS : Ethylene

 5  Which animal has pectin in its retina ?

[A] Whale

[B] Pigeon

[C] Shark

[D] Chameleon

ANS : Pigeon

 6  What is the percentage of protein in one egg ?

[A] 13.3%

[B] 8%

[C] 5%

[D] 10%

ANS : 13.3%

 7  In what year was Hargobind Khorana born ?

[A] 1926

[B] 1921

[C] 1922

[D] 1923

ANS : 1922

 8  Why is the laryngoscope instrument used ?

[A] To examine the inside of the larynx

[B] To examine the inside of the ear

[C] To examine the inside of the nose

[D] To examine the inside of the eye

ANS : To examine the inside of the larynx

 9  What is the diagnostic tests done for tuberculosis ?

[A] Urine test

[B] Stool test

[C] Blood test

[D] Mantoux test

ANS : Mantoux test

 10  Hargobind Khorana completed his undergraduate and postgraduate courses from which university ?

[A] Bombay

[B] Delhi

[C] Karachi

[D] Punjab

ANS : Punjab

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