Biology MCQs

31. Which of the following are also called natural killer cells?
[A] Monocytes
[B] Thrombocytes
[C] Lymphocytes
[D] Neutrophils

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32. Initiates and maintains milk production in breasts:
[A] Prolactin
[B] Renin and angiotensin
[C] Oxytocin
[D] Erythropoietin

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33. Which hormone regulates adrenocorticotropin release in the pituitary gland?
[A] Thyrotropin releasing hormone
[B] Corticotropin releasing hormone
[C] Gonadotropin releasing hormone
[D] Thyroid-stimulating hormone

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34. The ovary is surrounded by a thin covering of ___.
[A] epithelium
[B] ampulla
[C] isthmus
[D] infundibulum

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35. Ovarian __ consists of a white body or corpus Albicans.
[A] cortex
[B] medulla
[C] antrum
[D] luteum

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

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37. Which of the following is not a bacterium which causes disease in a poultry farm?
[A] Tapeworm
[B] Haemophilus gallinarium
[C] Salmonella gallinarium
[D] Pasteurella avicida

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38. Which of the following diseases is not caused by the RNA virus?
[A] Yellow fever
[B] Smallpox
[C] Mumps
[D] German measles

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39. If a hybrid expresses a character, it is called __.
[A] Epistasis
[B] Dominant
[C] Co-dominant
[D] Recessive

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40. What is another name of rDNA technology?
[A] chimeric DNA
[B] information technology
[C] information DNA
[D] chimeric technology

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