GATE Practice Question and Answer

Q: When should you stop at green and go at red? 1357 0

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Answer :
Explanation :

While eating a watermelon, we all go along the red and stops at green.

Q: Which of the following is present in a prokaryotic cell? 1357 0

  • 1
    Ribosomes
    Correct
    Wrong
  • 2
    Chloroplast
    Correct
    Wrong
  • 3
    Mitochondria
    Correct
    Wrong
  • 4
    None
    Correct
    Wrong
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Answer : 1. "Ribosomes"
Explanation :

Answer: A) Ribosomes Explanation: Ribosomes are present in prokaryotic cells. These are organelles which consist of two subunits. They are present in both Eukaryotic and Prokaryotic cells. They are made up of RNA and proteins and present in the cytoplasm and on the membranes and are involved in protein synthesis.

Q: Simplify the following expression? 40% of (244 x ?) = 48 1357 0

  • 1
    24
    Correct
    Wrong
  • 2
    22
    Correct
    Wrong
  • 3
    20
    Correct
    Wrong
  • 4
    18
    Correct
    Wrong
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Answer : 3. "20"
Explanation :

Answer: C) 20 Explanation: We know that  40% = 40100 = 25⇒25 x 244 x ? = 48? = 48 x 5 x 42 x 24 = 20

Q: What lives in the winter dies in the summer? 1356 0

  • 1
    Plants
    Correct
    Wrong
  • 2
    Animals
    Correct
    Wrong
  • 3
    Icycle
    Correct
    Wrong
  • 4
    None of the above
    Correct
    Wrong
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Answer : 3. "Icycle"
Explanation :

Answer: C) Icycle Explanation: An icycle, a hanging spike of ice formed by the freezing of dripping water forms due to cool in winter and dies in summer due to hot.

Q: What natural factors contribute to global climate? 1356 0

  • 1
    Forest Fires
    Correct
    Wrong
  • 2
    Solar Activity
    Correct
    Wrong
  • 3
    Melting Permafrost
    Correct
    Wrong
  • 4
    All the above
    Correct
    Wrong
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Answer : 4. "All the above"
Explanation :

Answer: D) All the above Explanation: Global warming is the increase in the earth’s average temperature due to release of several greenhouse gases to the atmosphere by humans. Global warming is affecting many parts of the world.   Natural Causes include : 1. Solar Activity 2. Melting Permafrost 3. Forest Fires    Human made causes include : 1. Deforestation 2. Overpopulation 3. Landfills 4. Mining 5. Fertilizer Use

Q: What one word has the most letters in it? 1356 0

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Answer :
Explanation :

ALPHABET is the only has the most letters in it.   Alphabet has all the 26 letters from A - Z.    Hence, ALPHABET is one word that has the most letters in it.

Q: Two trains of equal length are running on parallel lines in the same direction at 36 km/hr and 26 km/hr. The faster train passes the slower train in 36 sec. The length of each train is ? 1355 0

  • 1
    28 mts
    Correct
    Wrong
  • 2
    54 mts
    Correct
    Wrong
  • 3
    24 mts
    Correct
    Wrong
  • 4
    50 mts
    Correct
    Wrong
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Answer : 4. "50 mts"
Explanation :

Answer: D) 50 mts Explanation: Let the length of each train be x mts. Then, distance covered = 2x mts. Relative speed = 36 - 26 = 10 km/hr. = 10 x 5/18 = 25/9 m/sec. 2x/36 = 25/9 => x = 50 mts.

Q: What gas makes up most of the atmosphere? 1354 0

  • 1
    Oxygen
    Correct
    Wrong
  • 2
    Helium
    Correct
    Wrong
  • 3
    Nitrogen
    Correct
    Wrong
  • 4
    Carbondioxide
    Correct
    Wrong
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Answer : 3. "Nitrogen"
Explanation :

Answer: C) Nitrogen Explanation: Our atmosphere is made up of 78% Nitrogen, 21% Oxygen and 1% all other gases like argon, carbon dioxide, neon, and helium.   So, Nitrogen makes up the majority of our atmosphere.

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