Life Science Quiz 7
Practice quiz on Life Science (General Science). 5 real exam questions.
About This Quiz
Life Science Quiz 7 — 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.Which organ filters blood?
- A.Heart
- B.Kidney
- C.Liver
- D.Stomach
Show answer
Answer: B. Kidney
Kidneys filter waste from blood.
Q2.Which gas is most responsible for global warming?
- A.CO₂
- B.Nitrogen
- C.Hydrogen
- D.Ozone
Show answer
Answer: A. CO₂
Carbon dioxide is the major greenhouse gas.
Q3.The largest state of India by area is:
- A.Maharashtra
- B.Uttar Pradesh
- C.Rajasthan
- D.Madhya Pradesh
Show answer
Answer: C. Rajasthan
Rajasthan is the largest state by area.
Q4.Which state is known as the ‘Land of Five Rivers’?
- A.Punjab
- B.Haryana
- C.Assam
- D.Kerala
Show answer
Answer: A. Punjab
Punjab means 'land of five rivers'.
Q5.Which acid is found in lemon?
- A.Tartaric Acid
- B.Acetic Acid
- C.Citric Acid
- D.Lactic Acid
Show answer
Answer: C. Citric Acid
Citrus fruits contain citric acid.
Frequently Asked Questions
Is Life Science Quiz 7 free to attempt on AajExam?
Yes. Life Science Quiz 7 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 7?
Life Science Quiz 7 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 7 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 7 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.