UGC NET PAPER 1 June Shift (Pack of 3) - UGC NET PAPER 1 24th June 2019 Morning Shift

46. Select the option that shows the storage devices in order of capacity from lowest to highest.

  • Option : A
  • Explanation : A CD-ROM is a pre-pressed optical compact disc that contains data. Computers can read-but not write to or erase. It has the capacity of 194 MiB (8 cm), 650-900 MiB (12 cm). A read-only DVD disc used to permanently store data files. It has the storage capacity of 4.7 GB (single-sided, single-layer - common) 8.5 GB (single- sided, double-layer) 9.4 GB (double-sided, single-layer) 17.08 GB (double-sided, double-layer).
    Blu-ray or Blu-ray Disc (BD) is a digital optical disc data storage format. It was designed to supersede the DVD format, and is capable of storing several hours of video in high-definition (HDTV 720p and 108Op) and ultra high-definition resolution (216Op).
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47. Assertion (A): Methemoglobinemia is a condition in which blood is not able to carry and deliver enough oxygen to the body.
Reason (R): Consuming drinking water with high nitrate levels may cause methemoglobinemia.

Choose the correct answer from the options given below:

  • Option : A
  • Explanation : Methemoglobinemia is a blood disorder in which an abnormal amount of methemoglobin is produced. Methemoglobin is a form of hemoglobin. With methemoglobinemia, the hemoglobin can carry oxygen, but is not able to release it effectively to body tissues. Methemoglobinemia is passed down through families (inherited or congenital) and it is also caused by the exposure to certain medicines, chemicals, or foods (acquired).
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49. Which of the following NOT correctly matched?
(i) Gyan Darshan – Satellite-based educational T.V. channel
(ii) Gyan Vani – Educational FM radio network
(iii) MOOCs – Massive open online credits

Choose the correct answer from the options given below:

  • Option : C
  • Explanation : MOOCs are courses delivered online and accessible to all for free. MOOC stands for massive open online course: Massive because enrollments are unlimited and can run into hundreds of thousands.
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50. In the last few years, India has been affected by which of the following tropical cyclones?

  • Option : C
  • Explanation : Cyclone Gaja crossed coast between Nagapattinam and Vedaranniyam with wind speed of 100-11 0 km/h gusting up to 120 km/h in November 2018. Cyclonic Hudhud was a strong tropical cyclone that caused extensive damage and loss of life in eastern India during October 2014. Cyclone Ockhi strucked the Indian coast in the end of November 2017.
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