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RRB NTPC General Science and Life Science — practice questions

Explore 17 free General Science and Life Science questions in RRB NTPC General Awareness. Open each question or exercise to read its content, reference answers and available explanation.

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General Science and Life Science questions and exercises with answers

Showing questions 1–17 of 17.

The word 'Denisovan' is sometimes mentioned in media in reference toRead the answer and worked solution →Which one of the following sets of elements was primarily responsible for the origin of life on the Earth?Read the answer and worked solution →How many bones does a mammal's middle ear have?Read the answer and worked solution →To which mammal order do bats belong?Read the answer and worked solution →Which group of mammals lays eggs?Read the answer and worked solution →What key feature distinguishes vector velocity from scalar speed?Read the answer and worked solution →Which planet belongs to the gas giant category rather than ice giants?Read the answer and worked solution →Which planet is categorized as an ice giant in our solar system?Read the answer and worked solution →Which body is categorized as a dwarf planet by the International Astronomical Union?Read the answer and worked solution →Which creature belongs to the monotreme group of mammals?Read the answer and worked solution →To which mammalian group do pouched creatures like kangaroos belong?Read the answer and worked solution →Unlike viviparous placental mammals, what unique reproductive trait characterizes monotremes?Read the answer and worked solution →Which body is officially categorized as a dwarf planet alongside Eris and Pluto?Read the answer and worked solution →Saturn and Jupiter together form which group of planetary bodies?Read the answer and worked solution →RRB NTPC · Match Cell Organelles to RolesRead the answer and worked solution →RRB NTPC · Human Blood ElementsRead the answer and worked solution →RRB NTPC · Biological & Physical LawsRead the answer and worked solution →

Worked practice questions

The word 'Denisovan' is sometimes mentioned in media in reference to

  1. fossils of a kind of dinosaurs
  2. an early human species
  3. a cave system found in North-East India
  4. a geological period in the history of Indian subcontinent
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Correct answer: B. an early human species

UPSC CSE Prelims 2019 (GS-I, Set A), Q.92. Official answer key: B.

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Which one of the following sets of elements was primarily responsible for the origin of life on the Earth?

  1. Hydrogen, Oxygen, Sodium
  2. Carbon, Hydrogen, Nitrogen
  3. Oxygen, Calcium, Phosphorus
  4. Carbon, Hydrogen, Potassium
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Correct answer: B. Carbon, Hydrogen, Nitrogen

UPSC CSE Prelims 2012 (GS-I, Set A), Q.63. Answer key: B (coaching consensus; UPSC did not publish an official 2012 AK separately on upsc.gov.in).

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How many bones does a mammal's middle ear have?

  1. One
  2. Two
  3. Three
  4. Four
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Correct answer: C. Three

Three middle ear bones are one of the defining features of mammals.

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History of IndiaGeography of IndiaGames and SportsBasics of Computers and Computer ApplicationsIndian Polity and GovernanceFamous Personalities of India and WorldFlagship Government ProgramsFlora and Fauna of India