UPSC Biology

41. Athlete Biological passport:

  1. is an electronic record for athletes issued as a part of anti-doping norms
  2. is used to indirectly determine the effect of doping on Athlete’s Body

Which of the above is / are correct?

[A] Only 1
[B] Only 2
[C] Both 1 & 2
[D] Neither 1 nor 2

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42. Consider the following statements regarding medicinal fungi:

  1. Basidiomycota and Ascomycota are two major taxonomic divisions that include medicinal fungi.
  2. Medicinal fungi are characterized by the presence of metabolites or their ability to produce metabolites through biotechnological processes.

Which of the statements given above is/are correct?

[A] Only 1
[B] Only 2
[C] Both 1 and 2
[D] Neither 1 nor 2

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43. Consider the following statements regarding Human Endogenous Retroviruses (HERVs):

  1. HERVs insert their genomes into their hosts in the form of a provirus.
  2. A provirus is a virus genome that is integrated into the DNA of a host cell.

Which of the statements given above is / are correct?

[A] Both 1 and 2
[B] Only 2
[C] Only 1
[D] Neither 1 nor 2

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44. Consider the following:

  1. Cholera
  2. Diarrhoea
  3. Typhoid

Which of the above is / are primarily caused by contaminated water?

[A] Only 1 & 2
[B] Only 2
[C] 1, 2 & 3
[D] 1 & 3

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45. In the context of Parkinson’s Disease, which of the following statements is/are correct?

  1. The disease usually occurs in older people, but younger people can also be affected.
  2. Women are affected more often than Men.
  3. India shares around 50% of the global burden of Parkinson’s disease.
  4. Levodopa/carbidopa, a common drug combination, boosts dopamine in the brain.

Select the correct option from the codes given below:

[A] Only one
[B] Only two
[C] Only three
[D] All four

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46. Consider the following:

  1. Lymphatic Filariasis
  2. Malaria
  3. Dengue Fever

Which of the above is/are transmitted by mosquitoes?

[A] Only 1 & 2
[B] Only 3
[C] 1, 2 and 3
[D] None of the above

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47. In the context of avian influenza and its management, consider the following statements:

  1. It is a highly pathogenic virus that primarily circulates among birds but can infect mammals.
  2. The first avian flu vaccine for poultry was developed in the 1950s in India.

How many of the above statements are correct?

[A] Only 1
[B] Only 2
[C] Both 1 and 2
[D] Neither 1 nor 2

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48. With reference to Narwhals, which of the following observations is/are correct?

  1. They are found only in Arctic waters, and spend their lives in the Arctic waters of Canada, Greenland, Norway, and Russia.
  2. They use their tusks to communicate with one another during social interactions.

Select the correct option from the codes given below:

[A] Only 1
[B] Only 2
[C] Both 1 & 2
[D] Neither 1 nor 2

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49. With reference to IBS (Irritable Bowel Syndrome), consider the following pairs:

  1. IBS-C : Diarrhea
  2. IBS-D : Constipation
  3. IBS-M : Alternating diarrhea and constipation

Which of the pairs given above is/are correctly matched?

[A] Only 1
[B] Only 2 and 3
[C] Only 3
[D] 1, 2 and 3

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50. Which of the following statements regarding Cryobiology is/are correct?

  1. It studies the effects of low temperatures on living organisms.
  2. It is essential for organ transplantation and fertility preservation.
  3. It originated during the Manhattan Project.

Select the correct option from the codes given below:

[A] Only 1 & 2
[B] Only 2 & 3
[C] Only 1 & 3
[D] 1, 2 & 3

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