Biology MCQs (361–390) with Answers and Reasons are prepared for NEET, CUET, and Board examinations.
This set focuses on Genetics, Human Physiology, Plant Physiology, Cell Biology, and Ecology.
Regular practice of these MCQs strengthens NCERT concepts and improves exam accuracy.
361. Which part of the cell controls all activities?
Correct Answer: B
Reason: Nucleus controls cell activities and stores genetic material.
362. Which hormone controls growth in humans?
Correct Answer: A
Reason: Growth hormone regulates overall body growth.
363. Which blood vessel has the thickest walls?
Correct Answer: C
Reason: Arteries have thick walls to withstand high pressure.
364. Which organelle is the site of photosynthesis?
Correct Answer: D
Reason: Chloroplast contains chlorophyll for photosynthesis.
365. Which vitamin deficiency causes scurvy?
Correct Answer: C
Reason: Vitamin C deficiency leads to scurvy.
366. Which organ removes carbon dioxide from blood?
Correct Answer: B
Reason: Lungs remove carbon dioxide during respiration.
367. Which plant hormone is responsible for cell elongation?
Correct Answer: A
Reason: Auxin promotes cell elongation in plants.
368. Which microorganism is used in bread making?
Correct Answer: B
Reason: Yeast produces carbon dioxide during fermentation.
369. Which part of the eye regulates light entry?
Correct Answer: D
Reason: Iris controls the size of the pupil.
370. Which gas is released during photosynthesis?
Correct Answer: C
Reason: Oxygen is released as a by-product.
371. Which blood group is called universal donor?
Correct Answer: D
Reason: Blood group O can donate to all groups.
372. Which enzyme digests fats?
Correct Answer: D
Reason: Lipase breaks fats into fatty acids.
373. Which plant tissue transports water?
Correct Answer: A
Reason: Xylem conducts water and minerals.
374. Which disease is caused by virus?
Correct Answer: C
Reason: Dengue is caused by a virus.
375. Which organ stores bile?
Correct Answer: B
Reason: Gall bladder stores bile produced by liver.
376. Which vitamin deficiency causes rickets?
Correct Answer: B
Reason: Vitamin D is essential for bone growth.
377. Which organelle produces energy in the cell?
Correct Answer: C
Reason: Mitochondria generate ATP.
378. Which part of the flower becomes seed?
Correct Answer: A
Reason: Ovule develops into seed after fertilization.
379. Which gas is essential for respiration?
Correct Answer: A
Reason: Oxygen is required for cellular respiration.
380. Which part of the ear maintains balance?
Correct Answer: C
Reason: Semicircular canals maintain body balance.
381. Which nutrient provides maximum energy?
Correct Answer: B
Reason: Fats give highest energy per gram.
382. Which structure connects bones to bones?
Correct Answer: A
Reason: Ligaments connect bones.
383. Which microorganism causes malaria?
Correct Answer: C
Reason: Malaria is caused by Plasmodium parasite.
384. Which blood vessel carries oxygenated blood?
Correct Answer: D
Reason: Arteries generally carry oxygenated blood.
385. Which plant tissue transports food?
Correct Answer: B
Reason: Phloem transports prepared food.
386. Which disease is caused by bacteria?
Correct Answer: D
Reason: Typhoid is caused by bacteria.
387. Which organ temporarily stores urine?
Correct Answer: B
Reason: Urinary bladder stores urine.
388. Which part of the brain controls hunger and thirst?
Correct Answer: D
Reason: Hypothalamus regulates hunger and thirst.
389. Which organism fixes atmospheric nitrogen?
Correct Answer: C
Reason: Rhizobium fixes nitrogen in leguminous plants.
390. Which organelle contains digestive enzymes?
Correct Answer: D
Reason: Lysosomes contain digestive enzymes.
Biology MCQs (361–390) FAQs
1. Are these MCQs NCERT-based?
Yes, all questions strictly follow NCERT syllabus.
2. Are these MCQs useful for NEET?
Yes, they are designed for NEET, CUET, and board exams.
3. Do these MCQs include explanations?
Yes, every question includes a short reason.
4. How many MCQs should students practice daily?
Practicing 20–30 MCQs daily is recommended.
5. Will the next part follow the same format?
Yes, all upcoming Biology MCQ parts will follow this same pattern.
Yes, all questions strictly follow NCERT syllabus.
2. Are these MCQs useful for NEET?
Yes, they are designed for NEET, CUET, and board exams.
3. Do these MCQs include explanations?
Yes, every question includes a short reason.
4. How many MCQs should students practice daily?
Practicing 20–30 MCQs daily is recommended.
5. Will the next part follow the same format?
Yes, all upcoming Biology MCQ parts will follow this same pattern.
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