Practice MCQ Questions and answers on Biology-GK Page-6 section-5

Section 1 Section 2 Section 3 Section 4 Section 5 Section 6 Section 7 Section 8 Section 9 Section 10 Section 11 Section 12 Section 13 Section 14 Section 15 Section 16 Section 17

26.
Lederberg and Tatum demonstrated conjugation in the bacteria in

A. 1944

B. 1945

C. 1946

D. 1947

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27.
The individual chain of cells or filament in the colony of Nostoc is known as

A. Trichome

B. Heterocyst

C. Hormogonia

D. None of the above

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28.
Under the ideal environmental conditions bacterial cells divide at the rate of division per twenty

A. Second

B. Minutes

C. Hours

D. Days

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29.
The virus is

A. Protein and lipid

B. Nucleic acid and protein

C. Lipid and carbohydrate

D. Carbohydrate

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30.
Which of these is a human disease caused by bacteria?

A. TB

B. Ascariasis

C. Chickenpox

D. Common cold

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Practice MCQ Questions and answers on Biology-GK

26. Lederberg and Tatum demonstrated conjugation in the bacteria in

Answer & Solution

27. The individual chain of cells or filament in the colony of Nostoc is known as

Answer & Solution

28. Under the ideal environmental conditions bacterial cells divide at the rate of division per twenty

Answer & Solution

29. The virus is

Answer & Solution

30. Which of these is a human disease caused by bacteria?

Answer & Solution

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26.
Lederberg and Tatum demonstrated conjugation in the bacteria in

27.
The individual chain of cells or filament in the colony of Nostoc is known as

28.
Under the ideal environmental conditions bacterial cells divide at the rate of division per twenty

29.
The virus is

30.
Which of these is a human disease caused by bacteria?