Biology MCQs

31. Name the muscle which works opposite to each other?
[A] Cardiac Muscles
[B] Skeletal Muscle
[C] Antagonists’s muscle
[D] Stapedius muscle

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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. Which of the following is located at the junction with the bladder composed of smooth involuntary muscle?
[A] Urethra
[B] Internal Urethral sphincters
[C] External Urethral Sphincters
[D] Bladder

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34. A tube that allows urine to pass out of the body __
[A] penis
[B] urethra
[C] scrotum
[D] All of the above

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35. Which disease is not a reason for animal disease?
[A] Genetic diseases
[B] Deficiency diseases
[C] Environmental discomforts
[D] Hygiene and cleanliness

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36. In incomplete dominance__.
[A] Phenotype of both alleles is expressed
[B] Phenotype of only one allele is expressed
[C] Phenotype of neither of the alleles are expressed
[D] Phenotype of both alleles is partially expressed

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37. Mycorrhiza is a symbiotic association between
[A] Bacteria and fungi
[B] Algae and fungi
[C] Fungi and roots of higher plants
[D] Blue green algae and roots of higher plants

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38. Which of the following are applications of rDNA technology?
[A] Development of Transgenic Plants
[B] Production of Antibiotics
[C] Production of Hormone Insulin
[D] All of the above

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39. The ____ is the stem-like part of the leaf that joins the blade to the stem, is known as:

[A] Vein
[B] Petiole
[C] Stipules
[D] Midrib

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40. Uric acid is the chief nitrogenous wastes in ____:
[A] Frogs
[B] Birds
[C] Fishes
[D] Mankind

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