Biology Basics Quiz
Practice quiz on Biology Basics (General Science). 5 real exam questions.
About This Quiz
Biology Basics Quiz — 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.Smallest bone?
- A.Femur
- B.Stapes
- C.Malleus
- D.Ulna
Show answer
Answer: B. Stapes
Stapes.
Q2.Which part of the plant carries water?
- A.Stem
- B.Root
- C.Leaf
- D.Flower
Show answer
Answer: A. Stem
Stem transports water through xylem.
Q3.Which organ purifies blood in the human body?
- A.Heart
- B.Kidney
- C.Lungs
- D.Liver
Show answer
Answer: B. Kidney
Kidneys filter waste from blood.
Q4.Which gas do humans exhale?
- A.Nitrogen
- B.Hydrogen
- C.Carbon dioxide
- D.Oxygen
Show answer
Answer: C. Carbon dioxide
We inhale oxygen and exhale CO₂.
Q5.Which part of the eye controls the amount of light entering?
- A.Cornea
- B.Pupil
- C.Lens
- D.Retina
Show answer
Answer: B. Pupil
Pupil expands or contracts to adjust light.
Frequently Asked Questions
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How long does it take to complete Biology Basics Quiz?
Biology Basics Quiz 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 Biology Basics Quiz 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 Biology Basics Quiz 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?
Biology Basics 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.