Biology MCQs

31. What type of muscle is primarily found in your digestive tract?
[A] Rectus abdominus
[B] Cardiac Muscle
[C] Smooth Muscle
[D] Gastric Muscle

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32. Blood enters the kidneys through __
[A] renal veins
[B] renal arteries
[C] ureters
[D] Both 1 and 2

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33. Which gland is also known as the “third eye”?
[A] Adrenal glands
[B] Gonads
[C] Pineal gland
[D] None of these

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34. Which of the following hormone are surges that trigger ovulation?
[A] Estrogen
[B] LH
[C] FSH
[D] Progesterone

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35. The sexual reproductive organs of aspergillus are
[A] Antheridium and Oogonium
[B] Spermatium and Ascogonium
[C] Spermatium and Oogonium
[D] Antheridium and Ascogonium

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36. An Antigen is ____:
[A] The result of Antibody
[B] The stimulus for Antibody formation
[C] The opposite of Antibody
[D] The residue of an Antibody

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37. The green colour of the leaves is due to the presence of ____:
[A] Proteins
[B] Carbohydrates
[C] Lipids
[D] Chlorophyll

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38. Production of alcohol from organic compounds by microorganisms is known as ____:
[A] Anaerobic respiration
[B] Aerobic respiration
[C] Combustion
[D] Fermentation

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39. Which of the following are the largest fixator of solar energy?
[A] Bacteria
[B] Protozoa
[C] Fungi
[D] Green plants

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40. Water flows of f the wings of birds and insects due- to the presence of ____:
[A] Proteins
[B] Waxes
[C] Minerals
[D] Sugars

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