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📊 Chemistry
Q. Ordinary table salt is sodium chloride. What is baking soda?
  • (A) Potassium carbonate
  • (B) Potassium chloride
  • (C) Sodium bicarbonate
  • (D) Potassium hydroxide
💬 Discuss
✅ Correct Answer: (C) Sodium bicarbonate
📊 Physics
Q. Which one of the following is the value of one nanometer?
  • (A) 10^-7 cm
  • (B) 10^-6 cm
  • (C) 10^-4 cm
  • (D) 10^-3 cm
💬 Discuss
✅ Correct Answer: (A) 10^-7 cm
📊 Geography
Q. There are nine coastal states in India but half of the sea salt is manufactured in the coast of Gujarat because
  • (A) Gandhiji started Salt Satyagrah in Gujarat
  • (B) Less rain and relative humidity is best for the evaporation of the sea water
  • (C) Salt is exported from Kandla port
  • (D) The salinity of water near coast of Gujarat is very high
💬 Discuss
✅ Correct Answer: (B) Less rain and relative humidity is best for the evaporation of the sea water
📊 Biology
Q. Out of proteins, lipids and carbohydrates present in a cell membrane, what is true?
  • (A) Carbohydrates are minimum
  • (B) Carbohydrates are maximum
  • (C) All three are in equal proportion
  • (D) Lipids are maximum
💬 Discuss
✅ Correct Answer: (A) Carbohydrates are minimum
📊 General Awareness
Q. What toy was invented by Joshua Lionel Cowen around 1900?
  • (A) Tinkertoys
  • (B) Electric train
  • (C) Yo-yo
  • (D) Raggedy Ann doll
💬 Discuss
✅ Correct Answer: (B) Electric train
📊 History
Q. The monolithic image of Jain Saint 'Gomatiswara' is at __________
  • (A) Mount Abu
  • (B) Shravanbelagola
  • (C) Kusinagara
  • (D) Kalinga
💬 Discuss
✅ Correct Answer: (B) Shravanbelagola

Explanation: Gommateshwara Statue is a 57-foot (17 m) high monolithic statue located on Vindyagiri at Shravanbelagola in the Indian state of Karnataka. Vindyagiri Hill is one of the two hills in Shravanabelagola; the other is Chandragiri, which is also a seat of several ancient Jain centers, much older than Gommateshwara statue.

📊 Science
Q. One nanometer is equal to
  • (A) 10-9 m
  • (B) 10-6 m
  • (C) 10-8 m
  • (D) 10-5 m
💬 Discuss
✅ Correct Answer: (A) 10-9 m
📊 Geography
Q. Which one of the following states has the largest forest area to its total land area?
  • (A) Mizoram
  • (B) Arunachal Pradesh
  • (C) Sikkim
  • (D) Jammu and Kashmir
💬 Discuss
✅ Correct Answer: (A) Mizoram
📊 Biology
Q. The main buffer system of the human blood is
  • (A) H2CO3 - CO32-
  • (B) H2CO3 - HCO3
  • (C) CH3COOH - CH3COO-
  • (D) NH2CONH2 - NH2CONH+
💬 Discuss
✅ Correct Answer: (B) H2CO3 - HCO3
📊 Math
Q. A pump can fill a tank with water in 2 hours. Because of a leak, it took 2 1/3 hours to fill the tank. The leak can drain all the water of the tank in:
  • (A) 4 1/3 hours
  • (B) 7 hours
  • (C) 8 hours
  • (D) 14 hours
💬 Discuss
✅ Correct Answer: (D) 14 hours
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