Biology MCQs

31. Green Revolution related to which of the following?
[A] Milk
[B] Agriculture
[C] Water
[D] Animals

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32. What may complicate the process of gene cloning within the cell?
[A] One recognition site
[B] Foreign DNA
[C] More than one recognition site
[D] Antibody

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33. Which of the following protein is found in nails?

[A] Keratin
[B] Histone
[C] Actin
[D] Elastin

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34. What is thick vein present in the middle of the leaf called?
[A] Leaf venation
[B] Parallel venation
[C] Midrib
[D] Reticulate

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35. Root cap is derived from
____:
[A] Dermatogen
[B] Calyptrogen
[C] Protoderm
[D] Histogen

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36. The special modified epidermal cells surrounding stomatal pore are called ____:
[A] Accessory cells
[B] Epithelial cells
[C] Guard cells
[D] Subsidiary cells

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37. What is the basis of classifying various plant tissues as meristematic tissue and permanent tissue?

[A] Size
[B] Dividing capacity
[C] Location
[D] None of the above

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38. Which one of the following is not a true fish?
[A] Jellyfish
[B] Starfish
[C] Cuttlefish
[D] All of the above

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39. Eustachian Tube is located in which part of human body?
[A] Nose
[B] Ear
[C] Eyes
[D] Throat

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40. In a humans heart the bicuspid valve is situated between ____:
[A] Right auricle and right ventricle
[B] Postcaval and auricle
[C] Left auricle and left ventricle
[D] Right ventricle and pulmonary aorta

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