Daily GK Challenge

More practice: Science & Technology GK

5 more SSC / Banking questions from the same chapter, with step-by-step solutions. Try each one, then reveal the answer.

1. Q1easy

   Which vitamin is produced in the skin on exposure to sunlight?

   • AVitamin A
   • BVitamin B
   • CVitamin D
   • DVitamin K
   Show answer & solution

   Correct answer: (C) Vitamin D

   Vitamin D is synthesised in the skin when exposed to UV-B radiation from sunlight.

2. Q2easy

   Newton's first law is also known as the law of:

   • AGravitation
   • BInertia
   • CAcceleration
   • DMomentum
   Show answer & solution

   Correct answer: (B) Inertia

   Newton's First Law = Law of Inertia (a body remains at rest or uniform motion unless acted upon by a force).

3. Q3medium

   ISRO was established in:

   • A1962
   • B1969
   • C1975
   • D1980
   Show answer & solution

   Correct answer: (B) 1969

   The Indian Space Research Organisation was established on 15 August 1969.

4. Q4medium

   India's first satellite was:

   • AAryabhata
   • BRohini
   • CINSAT-1
   • DChandrayaan
   Show answer & solution

   Correct answer: (A) Aryabhata

   Aryabhata was India's first satellite, launched on 19 April 1975 by the Soviet Union.

5. Q5medium

   The pH of blood in a healthy human is approximately:

   • A5.5
   • B7.0
   • C7.4
   • D8.0
   Show answer & solution

   Correct answer: (C) 7.4

   Normal human blood pH is slightly alkaline, ranging from 7.35 to 7.45.