Biology MCQs

31. Which gland is helpful in increasing blood calcium levels?
[A] Thymus gland
[B] Thyroid gland
[C] Pineal gland
[D] Parathyroid gland

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32. Which of the following is called Mendel’s first law of inheritance?
[A] Law of Dominance
[B] Law of Segregation
[C] Law of Independent Assortment
[D] All of the above

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33. Which of the following section of DNA provides information for one protein?
[A] Nucleus
[B] Chromosomes
[C] Trait
[D] Gene

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34. The smallest unit of genetic material that produces a phenotypic effect on mutation is called?
[A] Muton
[B] Gene
[C] Recon
[D] Nucleic acid

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35. Some strains of Bacillus thuringiensis can kill certain insects such as __.
[A] Lepidoptera
[B] scorpion
[C] fruit fly
[D] dragonfly

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36. The part of brain which controls emotional reactions in our body is ____:
[A] Hypothalamus
[B] Meninges
[C] Cerebrum
[D] Thalamus

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37. The vitamin which is very labile and easily destroyed during cooking as well as storage is vitamin ____:
[A] Vitamin D
[B] Vitamin C
[C] Vitamin K
[D] Vitamin B6

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38. Jaws are absent in ____:

[A] Birds
[B] Fishes
[C] Reptiles
[D] Protochordata

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39. Which of the following vitamins are water soluble?
[A] Vitamin A and Vitamin B
[B] Vitamin B and Vitamin C
[C] Vitamin C and Vitamin D
[D] Vitamin A and Vitamin D

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40. Which of these bones is not a part of the human ear?
[A] Incus
[B] Stapes
[C] Femur
[D] Malleus

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