Biology MCQs

31. Neutrophils, basophils, lymphocytes, eosinophils, and monocytes are examples of __.
[A] Physical barrier
[B] Cellular barriers
[C] Cytokine barriers
[D] Physiological barriers

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32. Which of the following cells of the immune system does not perform phagocytosis?
[A] Macrophage
[B] Neutrophil
[C] Eosinophil
[D] Basophil

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33. It filters your blood, and the tube returns essential substances to your blood and removes waste, called __
[A] Secretion
[B] Tubular Reabsorption
[C] Glomerular Filtration
[D] None of these

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34. 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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35. What cannot sperm do in the absence of acrosome?
[A] Cannot penetrate the egg
[B] Cannot get energy
[C] Cannot get food
[D] Cannot swim

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36. Lassa and Ebola are emergent viruses in W. Africa. What is their origin?
[A] Humans
[B] Primates
[C] Fruit bats
[D] Pigs

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37. The transfer of genetic traits from parents to their offspring, and these offspring receive all the genetic information from their parents is called__
[A] Inheritance
[B] Genetics
[C] Heredity
[D] None of these

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38. Which of the following is an example of a loose association of nitrogen-fixing bacteria?
[A] Rhizobium
[B] Blue-Green algae
[C] Azotobacter
[D] Azospirillum

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39. Chicken Pox is caused by which micro-organism?

[A] Virus
[B] Bacteria
[C] Protozoa
[D] Fungus

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40. Muscle fatigue occurs due to accumulation of ____:
[A] Carbonic Acid
[B] Lactic Acid
[C] ATP
[D] ADP

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