Skeletal and Muscle System – Old Year Questions

1. The weight of our body is mostly made of

(a) From bones
(b) Parts of body
(c) Parts of skin
(d) From water

[Uttarakhand U.D.A/L.D.A. (Pre) 2003]


2. The human body contains

(a) about 70% water
(b) 20%-30% water
(c) 10%-20% water
(d) 30%-40% water
(e) None of the above/More than one of the above

[64th B.P. S.C. (Pre) 2018]


3. The percentage of water in an adult human body is around–

(a) 10%
(b) 30%
(c) 65%
(d) 75%

[U.P.P.C.S. (Mains) 2007]


4. The most abundant element found in the human body is –

(a) Iron
(b) Sodium
(c) Oxygen
(d) Iodine

[U.P.P.C.S. (Mains) 2014]


5. The maximum amount of elements found in the human body is-

(a) Iron
(b) Sodium
(c) Phosphorus
(d) Calcium

[U.P. U.D.A./L.D.A. (Pre) 2013]


6. In the human body percentage of which element is highest?

(a) Hydrogen
(b) Nitrogen
(c) Carbon
(d) Oxygen

[M.P.P.C.S. (Pre) 2019]


7. The number of bones in an adult human body is –

(a) 204
(b) 206
(c) 208
(d) 210

[Uttarakhand P.C.S. (Pre) 2010 U.P. Lower Sub. (Pre) 2004]


8. How many bones are there in the human skeleton?

(a) 280
(b) 200
(c) 220
(d) 206

[R.A.S./R.T.S. (Pre) 1997]


9. At the age of 20 years, the number of bones in the human body is approximately –

(a) 100
(b) 200
(c) 300
(d) None of these

[41st B.P.S.C. (Pre) 1996]


10. Which of the following is the smallest bone in the human body?

(a) Vomer
(b) Stapes
(c) Malleus
(d) Incus

[U.P. U.D.A./L.D.A. (Spl) (Pre) 2010, U.P. Lower Sub. (Pre) 2008]


11. The smallest bone in our body is found in our –

(a) Ear
(b) Nose
(c) Eye
(d) Toe

[U.P. Lower Sub. (Spl) (Pre) 2004]


12. The number of bones in the human skull is –

(a) 28
(b) 30
(c) 32
(d) 40

[39th B.P.S.C. (Pre) 1994]


13. Which one of the following salts is found in the maximum amount in the human bones?

(a) Magnesium Chloride
(b) Calcium Carbonate
(c) Calcium Phosphate
(d) Sodium Chloride

[U.P.P.C.S. (Mains) 2015]


14. How many pairs of ribs are there in a human body?

(a) 12
(b) 10
(c) 14
(d) 11

[M.P.P.C.S. (Pre) 1995]


15. In the human body, leg bone is?

(a) Hollow
(b) Porous
(c) Solid
(d) Rivet

[U.P.P.C.S. (Pre) 1994]


16. What is arthroplasty in surgery :

(a) Open heart surgery
(b) Kidney transplant
(c) Hip-joint replacement
(d) Blood transfusion

[U.P.P.C.S.(Pre) 2001, U.P.U.D.A./L.D.A. (Pre) 2002, Uttarakhand P.C.S. (Pre) 2010]


17. The bones are held together by elastic tissues are called–

(a) Ligaments
(b) Fibrous tissues
(c) Fibrin
(d) Muscular tissues

[U.P. Lower Sub. (Spl.) (Pre) 2008]


18. Plaques formed on teeth are made up of –

(a) Food particles only
(b) Food particles plus saliva
(c) Food particles plus saliva plus mouth acids
(d) Food particles plus saliva plus mouth acids plus bacteria

[U.P.P.C.S. (Mains) 2004]


19. No pain is felt while cutting the nails because –

(a) Nails are made of the material of dead cells in which there is no blood circulation.
(b) Nails are a useless part of the body.
(c) Nails are made of calcium phosphate.
(d) None of these.

[M.P.P.C.S. (Pre) 1994]


20. Alpha-keratin is a protein, present in :

(a) Blood
(b) Skin
(c) Lymph
(d) Eggs

[UP.P.C.S. (Mains) 2003 I.A.S. (Pre) 1997]


21. Hair is composed of a protein called –

(a) Globulin
(b) Mucin
(c) Keratin
(d) Casein

[U.P.P.S.C. (R.I.) 2014]


22. Which one of the following proteins is present in human hair and nails?

(a) Oxytocin
(b) Keratin
(c) Vasopressin
(d) Trypsin

[U.P.R.O./A.R.O (Pre) 2014]


23. Which of the following are required for the formation of bones and teeth?

(a) Sodium and Potassium
(b) Iron and Calcium
(c) Sodium and Calcium
(d) Calcium and Phosphorus

[U.P.P.C.S. (Mains) 2011]


24. Which one of the following nutritional elements is not essential for the formation and strengthening of bones and teeth?

(a) Calcium
(b) Phosphorus
(c) Fluorine
(d) Iodine

[U.P.P.C.S. (Pre) 2015]


25. The number of teeth that are developed twice in the lifetime of a human being is

(a) 4
(b) 12
(c) 20
(d) 28

[39th B.P.S.C. (Pre) 1994]


26. Which of the following is the strongest part of our body?

(a) Bone
(b) Enamel
(c) Dentin
(d) Cementum

[Uttarakhand U.D.A./L.D.A. (Pre) 2003]


27. The strongest muscle in the human body is found in

(a) Jaws
(b) Thighs
(c) Neck
(d) Hands

[U.P.P.C.S. (Mains) 2008]


28. Match List-I with List-II and select the correct answer using the codes given below the lists :

List-I  List-II
(Bones) (Names)
(a) Breastbone 1. Clavicle
(b) Collarbone 2. Patella
(c) Knee-cap 3. Scapula
(d) Shoulder blade 4. Sternum

Code :

a 4 1 3 2
b 1 4 2 3
c 1 4 2 3
d 4 1 2 3

[I.A.S. (Pre) 2001, R.A.S./R.T.S. (Pre) 2013]