Life Science Quiz 3
Practice quiz on Life Science (General Science). 5 real exam questions.
About This Quiz
Life Science Quiz 3 — Questions with Solutions
All 5 questions from this quiz with the correct answer and explanation. Attempt them yourself first, then open each solution to check your reasoning.
Q1.The chemical formula of common salt is:
- A.NaCl
- B.KCl
- C.CaCl2
- D.MgCl
Show answer
Answer: A. NaCl
NaCl = Sodium Chloride.
Q2.Who discovered the law of gravity?
- A.Newton
- B.Einstein
- C.Galileo
- D.Edison
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Answer: A. Newton
Isaac Newton discovered gravity.
Q3.In which year did India gain independence?
- A.1942
- B.1945
- C.1947
- D.1950
Show answer
Answer: C. 1947
India became independent on 15 August 1947.
Q4.Who is known as the Missile Man of India?
- A.Homi Bhabha
- B.C.V. Raman
- C.A.P.J. Abdul Kalam
- D.Vikram Sarabhai
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Answer: C. A.P.J. Abdul Kalam
A.P.J. Abdul Kalam is called the Missile Man.
Q5.Water boils at what temperature?
- A.50°C
- B.75°C
- C.90°C
- D.100°C
Show answer
Answer: D. 100°C
Boiling point of water is 100°C.
Frequently Asked Questions
Is Life Science Quiz 3 free to attempt on AajExam?
Yes. Life Science Quiz 3 is completely free. You only need a free AajExam account to track your score, view detailed solutions and unlock cross-attempt analytics.
How long does it take to complete Life Science Quiz 3?
Life Science Quiz 3 runs on a 1-minute timer in real exam-style conditions. The clock starts the moment you click Start, mirroring the time pressure of the actual exam.
Are detailed solutions provided?
Yes. Every question on Life Science Quiz 3 ships with a complete step-by-step solution, the underlying concept, and (where applicable) shortcut tricks. You can also discuss any question with the AajExam community.
Can I attempt Life Science Quiz 3 multiple times?
Yes. You can attempt this quiz as many times as you like. Each attempt is recorded separately so you can track improvement in score, accuracy and time-management.
Which government exams does this quiz prepare me for?
Life Science questions appear regularly in SSC CGL, CHSL, MTS, GD; IBPS PO, Clerk; SBI PO, Clerk; RRB NTPC, Group D; UPSC prelims and most State PSC exams. The specific weightage varies by exam — check the exam pattern on the corresponding AajExam exam page for details.