Biology MCQs

31. In which part of the human body Thymus gland is located?
[A] Between both cerebrum
[B] Located above heart
[C] Behind Hypothalamus
[D] In throat

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32. Which gland is located between the two halves of the brain?
[A] Pineal gland
[B] Gonads
[C] Pancreas
[D] Parathyroid glands

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33. Lassa and Ebola are emergent viruses in W. Africa. What is their origin?
[A] Humans
[B] Primates
[C] Fruit bats
[D] Pigs

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34. Which of the following test is used to diagnose Roundworm Infection?
[A] Widal Test
[B] Pap smear’s Test
[C] Gravidex Test
[D] Stool Test

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35. In most species, mitochondrial DNA is passed down from which of the following?
[A] DNA
[B] Mother and Father
[C] Father
[D] Mother

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36. 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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37. What are female gametes called as?

[A] Zygote
[B] Sperms
[C] Embryo
[D] Ova

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38. Fat present below the skin surface in our body acts as a barrier against ____:
[A] Loss of heat from the body
[B] Loss of salt from the body
[C] Loss of essential body fluids
[D] Entry of harmful micro-organisms from the environment

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39. To keep warm, polar bears have a layer of ____ under their skin:
[A] Muscle
[B] Hair
[C] Fat
[D] Cartilage

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40. The radioactive Strontium-90 causes _____:
[A] Lung cancer
[B] Skin cancer
[C] Bone cancer
[D] Brain cancer

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