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: Skeletal and Muscle System →

26. What is the full form of BMD test?Asked in UPPSC Upper Mains 2015
27. BMD Test is performed forAsked in UPPSC Upper Mains 2014
28. Given below are two statements : Statement I : Upper jaw is an immovable joint. Statement II : The cartilages are harder than bones. In the light of the above statements, choose the most appropriate answer from the options given below :Asked in HPPSC HPAS Prelims 2024
29. Which one among the following tissues help to connect two bones ?Asked in UPSC NDA 2 2024
30. The joint where the neck joins the head is:Asked in UPPCS Prelims 2024
31. The type of joint (pivot) between Atlas and Axis is known asAsked in MPPSC CS Prelims 2022
32. Public symphysis is an example ofAsked in Asstt. System Manager 2021
33. What holds human joint together?Asked in Inspector(Legal Metrology & Consumer Affairs) 2020
34. Which one of the following statements is incorrect about muscles in human body? Muscles work in pairs. Muscles become shorter, stiffer and thicker when contracted. Muscles can only push the bone.Asked in BPSC Prelims Exam 68th
35. The strongest muscle in human body is found inAsked in UPPSC Upper Mains 2008
36. Which of the following is the smallest muscle in the human body ?Asked in MPPSC CS Prelims 2025
37. Which of the following occurs when we straighten our arm ?Asked in Protection Officer 2018
38. Consider the following statements about sliding filament theory of muscle contraction: a. This theory explains the modern concept of muscle contraction. b. This theory was put forward by Huxley and Niedergerke. Which of the above statements is/are true ?Asked in MPSC CS Prelims 2019
39. The active site on the normal actin filament of the relaxed muscle are inhibited by theAsked in Food Safety Officer 2022
40. A sprinter feels cramps and pain in the thigh muscles after a run. This is due to accumulation ofAsked in UPSC CDS 1 2023
41. Which acid accumulates in the muscles to cause fatigue ?Asked in CGPSC Prelims Exam 2013
42. Haem is the important biologically in the myoglobin which is used to store :Asked in HPPSC HPAS Prelims 2011
43. The sensation of fatigue in the muscles after prolonged strenuous physical work is caused by:Asked in HPPSC HPAS Prelims 2014 · UPPCS Prelims 2000
44. लम्बे समय तक कठोर शारीǐरक कायर्त के बाद पेͧशयों में थकावट की अनुभूǓत ͩकस कारण होती है ?Asked in HPPSC HPAS Prelims 2014
45. Muscle fatigue occurs due to the accumulation of which of the following ?Asked in KPSC KAS Prelims 2015
46. Which of the following chemicals is responsible for the aching of muscle after vigorous muscular activity ?Asked in MPSC CS Prelims 2015
47. Muscle fatigue is due to the accumulation of:Asked in UPSC NDA 2 2015
48. Consider the following minerals : 1. Calcium 2. Iron 3. Sodium Which of the minerals given above is/are required by human body for the contraction of muscles?Asked in UPSC IAS 2013
49. Muscle fatigue is due to accumulation ofAsked in WBPSC CS Prelims 2018
50. Accumulation of which one of the following in the muscles leads to fatigue?Asked in UPPCS Prelims 2010