Biology MCQs

31. A human communication system consists of a network of:
[A] arteries
[B] veins
[C] capillaries
[D] All of the above

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32. Which of the following is a function of the heart?
[A] makes blood cells
[B] to pump blood throughout the body
[C] Both 1 and 2
[D] Neither 1 nor 2

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33. What happens if your adrenal glands are not working properly?
[A] low blood pressure
[B] low blood levels of sugar
[C] high blood levels of potassium
[D] All of the above

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34. The elastic tissue which connects the cauda epididymis to the scrotal sac is called __.
[A] Caput epididymis
[B] Scrotal ligament
[C] Gubernaculum
[D] Tendinous cord

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35. Which of the following species of Plasmodium don’t cause Malaria?
[A] Plasmodium piper
[B] Plasmodium vivax
[C] Plasmodium falciparum
[D] Plasmodium malaria

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36. The smallest unit of genetic material that produces a phenotypic effect on mutation is called?
[A] Muton
[B] Gene
[C] Recon
[D] Nucleic acid

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37. What does Insulin do?
[A] Increases blood sugar
[B] Decreases blood sugar
[C] Constricts blood vessels
[D] Stimulates lactation

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38. The development of a fruit without fertilization is called ____:
[A] Apomixis
[B] Parthenocarpy
[C] Hybridogenesis
[D] Gametogamy

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39. 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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40. Who among the following gave Theory of Evolution?
[A] Darwin
[B] Mendel
[C] Hooke
[D] Rutherford

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