Biology MCQs

31. Which of the following is not a symptom of rinderpest?
[A] dysentery
[B] fever
[C] overcrowding
[D] blue urine

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32. Which of the following organism causes pneumonia?
[A] Bacteria
[B] Protozoan
[C] Fungi
[D] Slime mould

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33. Which of the following is an example of starch crops biomass feedstocks?
[A] Sugar cane
[B] Wheat straw
[C] Corn stover
[D] Orchard prunings

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34. Jaws are absent in ____:

[A] Birds
[B] Fishes
[C] Reptiles
[D] Protochordata

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35. When a single gene controls the expression of more than one character, it is said to be ___:
[A] Heterotrophic
[B] Autotrophic
[C] Pleiotropic
[D] Allotropic

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36. Stethoscope works on which principle?
[A] Reflection of sound
[B] Reflection of light
[C] Conversion of current into sound
[D] Conversion of sound into current

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37. Which one of the following animals belongs to mollusca?
[A] Haliotis
[B] Hare
[C] Hydra
[D] Hyla

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38. Which part of the human body gets affected by the illness called osteoporosis?

[A] Bones
[B] Lungs
[C] Kidney
[D] Brain

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39. Which blood group is universal donor?
[A] O+
[B] O–
[C] AB–
[D] AB+

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40. Which of the following is true with reference to blood platelets?
[A] They have prominent nuclei
[B] They are involved in phagocytosis
[C] They have a pigment called haemoglobin
[D] They are also called thrombocytes

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