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Everyday Science Questions for RRB NTPC

Free, AI-curated practice for the Everyday Science section of RRB NTPC. We have 13+ verified questions in this bank. Below: 5 sample questions. Sign up free to unlock unlimited practice + AI explanations + per-topic analytics.

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📍 Everyday Science is also tested in:
RRB GROUP D (15)

Sample questions

Q1 · medium · AI-verified
Which vitamin is synthesized by the skin when exposed to sunlight?
  1. Vitamin A
  2. Vitamin C
  3. Vitamin D
  4. Vitamin K
Q2 · medium · AI-verified
Which hormone regulates blood sugar levels in the human body?
  1. Adrenaline
  2. Insulin
  3. Thyroxine
  4. Growth hormone
Q3 · medium · AI-verified
Which of the following gases is primarily responsible for the greenhouse effect?
  1. Oxygen
  2. Carbon dioxide
  3. Nitrogen
  4. Hydrogen
Q4 · medium · AI-verified
What is the main cause of muscle cramps during exercise?
  1. Excess oxygen
  2. Dehydration and electrolyte imbalance
  3. Too much protein
  4. Low blood pressure
Q5 · medium · AI-verified
What is the chemical formula of washing soda?
  1. NaCl
  2. Na2CO3
  3. NaHCO3
  4. Na2SO4
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