Biology MCQs

31. Which of the following is known as the “Father of Genetics”?
[A] Morgan
[B] Mendel
[C] Watson
[D] Bateson

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32. A nitrogen-fixing bacterium that forms loose associations with the roots of crop plants is __.
[A] Azotobacter
[B] Bacillus polymyxa
[C] Clostridium
[D] Azospirillum

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33. What causes a delay in the ripening of tomatoes?
[A] virulent gene
[B] antisense PG
[C] antibiotic resistance gene
[D] mutation

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34. The Bacille Calmette-Guerin vaccine (popularly called BCG vaccine) is a vaccine to prevent which of these diseases?
[A] Polio
[B] Jaundice
[C] Tuberculosis
[D] Typhoid

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35. What is Blood?
[A] Muscular tissue
[B] Epithelial tissue
[C] Reproductive tissue
[D] Connective tissue

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36. Activity of an enzyme can be modulated by change of
____:
[A] pH
[B] Light
[C] Humidity
[D] Rainfall

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37. Motor skills are associated with which part of the brain?
[A] Parietal Lobe
[B] Occipital Lobe
[C] Frontal lobe
[D] Temporal lobe

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38. In human body, ligaments are made up of ____:
[A] Yellow fibres only
[B] White fibres and some yellow elastic fibres
[C] Yellow fibres and muscle fibres
[D] White fibres only

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39. Smooth muscles are likely to be found in ____:
[A] Muscles of arms
[B] Heart
[C] Stomach
[D] Muscles of legs

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40. Myrmecology is study of ____:
[A] Ants
[B] Insects
[C] Arthropods
[D] Crustaceans

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