Biology questions with answers

2,759 multiple-choice questions. Open any question for its answer and explanation.

Questions asked in State PSC and UPSC prelims, by topic. Each topic also has notes to read.

Read the notes: Nervous System →

1. Electroencephalogram (EEG) is used in monitoringAsked in BPSC Prelims Exam 64th
2. On an average, Urea excreted by a healthy adult human per day is (a) 2 - 2.5 gm (b) 10 - 15 mg (c) 150 - 200 mg (d) 25 - 30 gmAsked in HOMOEOPATHIC MEDICAL OFFICER 2 2023
3. The nitrogenous waste-uric acid is excreted out by and Lizards bothAsked in Lower Subordinate Service Examination 2021
4. Body temperature is regulated byAsked in BPSC Prelims Exam 64th
5. In a human brain memory power is found inAsked in CGPSC Prelims Exam 2013
6. Which part of the brain maintains posture and equilibrium of the body ?Asked in HPPSC HPAS Prelims 2018
7. मǔस्तष्क का कौन सा भाग शरीर के आसन और संतुलन को बनाए रखता है ?Asked in HPPSC HPAS Prelims 2018
8. EEG is used to measure the functioning of :Asked in OPSC CS Prelims 2019
9. The retina is outgrowth of theAsked in RPSC RAS Prelims 2013
10. The temperature in human body is controlled by A) Hypothalamus B) Skin C) Cerebellum D) MusclesAsked in TSPSC Group 1 Prelims 2023
11. Consider the following statements about human brain: 1. The brain is responsible for regulating the heart beat. 2. It is responsible for balancing the body. Select the correct answer using the codes given below. Codes:Asked in UPPCS Prelims 2020
12. Which one of the following organs will not feel any pain on being pricked by a needle?Asked in UPPCS Prelims 2017
13. The brain is responsible forAsked in UPPCS Prelims 2016
14. E.E.G. is done to record the working ofAsked in UPPSC Upper Mains 2014
15. Assertion (A): In a motion picture, usually 24 frames are projected every second over the whole length of the film. Reason (R): An image formed on the retina of eye persists for about 0.1 s after the removal of stimulus.Asked in UPPCS Prelims 2000
16. Paralysis is caused by disorders connected withAsked in APPSC Gazated Posts 2012
17. The part of brain responsible for maintaining the posture and balance of the body is - Question not attemptedAsked in Exam 2024 Group b 2024
18. Walking in a straight line and riding a bicycle are few activities which are possible due to a part of brain. Choose the correct location and name of this part. - Statement-I: Fore Brain - Statement-II: Cerebrum - Statement-III: Hind Brain - Statement-IV: Cerebellum - Statement- V: HypothalamusAsked in Exam 2024 Group d 2024
19. The part of brain responsible for precision of voluntary actions and maintaining the posture and balance of the body is -Asked in School Lecturer (Sanskrit Edu.) 2022 1 2022
20. According to Paul D. MacLean’s Triune brain model, the limbic system is considered as the emotional brain. It consists ofAsked in AM AEGCL GS 13 2023
21. Which part of human brain regulates body temperature, hunger and thirst?Asked in JUNIOR laboratory assistant 2025
22. Which of the following is the largest part of the brain ?Asked in HOMOEOPATHIC MEDICAL OFFICER 1 2023
23. Which part of the brain controls voluntary actions?Asked in lower devision clerk 2025
24. Which of the following part of brain is known as ‘little brain’ ?Asked in RO ARO pre 2023
25. Human Body's main organ of balance is located inAsked in Research Assistant 2014