Biology MCQs

31. Where is heparin derived from?
[A] intestines of pigs
[B] intestines of goats
[C] intestines of cows
[D] intestines of dogs

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32. What is the purpose of cranial nerves in the human body?
[A] carry information from the brain to all parts of the body
[B] facilitate the sense of vision and smell
[C] muscle movement
[D] All of the above

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33. 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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34. Renin is released from juxtaglomerular (JG) cells when?
[A] blood flow in the glomerulus increases
[B] blood flow in the glomerulus decreases
[C] blood flow in the glomerulus remains neutral
[D] None of these

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35. What is the function of the Growth hormone?
[A] stimulates the lining of the uterus for fertilization
[B] stimulates the production and secretion of thyroid hormones
[C] stimulates contraction of uterus
[D] stimulates protein production

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36. What are the symptoms of brucellosis in animals?
[A] arthritis in cows and pigs
[B] mastitis and lameness in goats
[C] oozing skin lesions in horses
[D] All of the above

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37. In which form does Plasmodium enter the human body?
[A] Phanerozoites
[B] Cryptozoites
[C] Gametocytes
[D] Sporozoites

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38. Which organism’s plasmid was first used to construct recombinant DNA?
[A] Cyanobacteria
[B] Bacillus subtilis
[C] Saccharomyces cerevisiae
[D] Salmonella typhimurium

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39. Blue-green algae are included in the group ____:
[A] Protozoa
[B] Eubacteria
[C] Fungi
[D] Cyanobacteria

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40. Which one of the following forms the base of vegetable fibres?
[A] Fats
[B] Oils
[C] Cellulose
[D] Proteins

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