Biology MCQs

31. How much food is harvested for food in a cow?

[A] 40 %
[B] 50 %
[C] 60 %
[D] 80 %

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32. Which of the following is not the function of skin?
[A] calcium production
[B] protection
[C] excretion of wastes
[D] temperature regulation

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33. How many layers are present in the human eye?
[A] Three
[B] Four
[C] Two
[D] Nine

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34. Which of the following vitamins is stored in the liver?
[A] Vitamin K
[B] Vitamin D
[C] Vitamin E
[D] All of the above

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35. The corpus luteum is the source of secretion of:
[A] LH
[B] Estradiol
[C] Estrogen
[D] Progesterone

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36. Which of the following is called the end part of the oviduct?
[A] isthmus
[B] ampulla
[C] ostium
[D] thalamus

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37. Which of the following is not an endoparasite?
[A] Ticks
[B] Tapeworms
[C] Liver fluke
[D] Roundworm

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38. Where are the genes for cytoplasmic male sterility in plants located?
[A] Chloroplast genome
[B] Mitochondrial genome
[C] Cytosome
[D] None of these

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39. Which of the following is VAM?
[A] Bioinsecticide
[B] Bioherbicide
[C] Endomycorrhiza
[D] Ectomycorrhiza

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40. Transgenic plants have desirable traits like __
[A] harmful genes
[B] herbicide resistance
[C] lactose intolerance
[D] complementary genes

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