Biology MCQs (481–500) with Answers and Reasons form the final set for NEET, CUET, and Board exam preparation.
This final part includes important questions from Genetics, Evolution, Human Physiology, Biotechnology, and Ecology.
Completing all MCQ parts helps in full syllabus revision and exam confidence.
481. Which molecule carries genetic information?
Correct Answer: C
Reason: DNA stores and transmits genetic information.
482. Which process converts glucose into energy?
Correct Answer: B
Reason: Respiration releases energy from glucose.
483. Which organ filters blood in humans?
Correct Answer: A
Reason: Kidneys filter waste products from blood.
484. Which plant hormone promotes stem elongation?
Correct Answer: B
Reason: Gibberellins promote stem elongation.
485. Which vitamin helps in blood clotting?
Correct Answer: D
Reason: Vitamin K is essential for blood clotting.
486. Which organelle is called the powerhouse of the cell?
Correct Answer: C
Reason: Mitochondria produce ATP energy.
487. Which gas is required for photosynthesis?
Correct Answer: A
Reason: Carbon dioxide is used in photosynthesis.
488. Which microorganism is used to make curd?
Correct Answer: B
Reason: Lactobacillus bacteria convert milk into curd.
489. Which part of the brain controls heartbeat?
Correct Answer: C
Reason: Medulla controls involuntary actions.
490. Which process forms haploid cells?
Correct Answer: B
Reason: Meiosis produces haploid gametes.
491. Which blood vessel carries blood away from the heart?
Correct Answer: C
Reason: Arteries carry blood away from the heart.
492. Which enzyme digests fats?
Correct Answer: D
Reason: Lipase breaks down fats.
493. Which plant tissue transports food?
Correct Answer: B
Reason: Phloem transports prepared food.
494. Which disease is caused by iodine deficiency?
Correct Answer: C
Reason: Iodine deficiency causes goitre.
495. Which structure connects muscle to bone?
Correct Answer: B
Reason: Tendons attach muscles to bones.
496. Which microorganism causes AIDS?
Correct Answer: A
Reason: AIDS is caused by HIV virus.
497. Which blood vessel has the lowest pressure?
Correct Answer: A
Reason: Veins carry blood at low pressure.
498. Which plant tissue is dead at maturity?
Correct Answer: D
Reason: Sclerenchyma cells are dead at maturity.
499. Which hormone regulates metabolism?
Correct Answer: B
Reason: Thyroxine controls metabolic rate.
500. Which organelle is known as the suicide bag of the cell?
Correct Answer: C
Reason: Lysosomes contain digestive enzymes.
Biology MCQs (481–500) FAQs
1. Is this the final Biology MCQ set?
Yes, this is the final part of the 500 Biology MCQs series.
2. Are these MCQs useful for NEET?
Yes, all questions are based on NCERT concepts and NEET pattern.
3. Do all MCQs include answers with reasons?
Yes, each MCQ includes a clear answer and reason.
4. Can these MCQs be used for revision?
Yes, they are ideal for full syllabus revision.
5. Are all 500 MCQs now complete?
Yes, Parts 1 to 17 together complete 500 Biology MCQs.
Yes, this is the final part of the 500 Biology MCQs series.
2. Are these MCQs useful for NEET?
Yes, all questions are based on NCERT concepts and NEET pattern.
3. Do all MCQs include answers with reasons?
Yes, each MCQ includes a clear answer and reason.
4. Can these MCQs be used for revision?
Yes, they are ideal for full syllabus revision.
5. Are all 500 MCQs now complete?
Yes, Parts 1 to 17 together complete 500 Biology MCQs.
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