Jharkhand Practical Sample Question Paper : www.jac.nic.in Tenth / 10th Std / SSLC

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Document Described : Practical Question Paper, Jharkhand Question Paper

Practicals
Class X
Total No. of Questions : 20 + 10 = 30
Total No. of Pages : 12

GENERAL INSTRUCTIONS :
1. All the questions are compulsory.

http://jac.nic.in/model_questions.htm
http://jac.nic.in/pdf/model_questions/practical10.pdf
http://jac.nic.in/pdf/model_questions/practical10(s).pdf

2. This question paper contains two Sections : Section - A and Section - B. Section - A contains 20 questions and each question carries 0·5 ( half ) mark. Section - B contains 10 questions and each question carries 1 ( one ) mark.
3. The candidate has to choose and write the letter of the correct choice in the box provided at the right-hand margin of each question.

SECTION – A :
1. The pH of sodium carbonate solution is
(a) equal to 7 (b) more than 7
(c) less than 7 (d) none of these.
2. A drop of colourless liquid is poured over blue litmus paper. The blue litmus paper turns to red. The colourless liquid is
(a) potassium hydroxide solution (b) sodium chloride solution
(c) pure water (d) dilute hydrochloric acid.
3. Sulphur dioxide is collected by upward displacement of air because
(a) it is heavier than air (b) it is quite soluble in water
(c) both (a) and (b) (d) none of these.
4. If an object is kept at the centre of curvature of a concave mirror, the distance between the pole of the mirror and the image formed is
(a) equal to f (b) between f and 2f
(c) greater than 2f (d) equal to 2f.
5. 1 dioptre is the power of a lens whose focal length is
(a) 10 m (b) 10 cm
(c) 1 cm (d) 1 m.
6. The S.I. unit of electric current is
(a) ohm (b) volt
(c) ampere (d) coulomb.
7. Which of the following light rays is more effective in opening of stomata ?
(a) Red (b) Blue
(c) Green (d) Yellow.
8. On adding blue litmus solution to acetic acid its colour changes to
(a) red (b) green
(c) orange (d) yellow.
9. Which of the following is ( are ) required for photosynthesis ?
(a) Sunlight (b) H 2 O
(c) CO 2 (d) All of these.
10. When CO 2 combines with lime water it turns
(a) yellowish (b) bluish
(c) milky (d) brownish.
11. The IUPAC name of acetic acid is
(a) ethanoic anhydride (b) methanoic acid
(c) ethanoic acid (d) none of these.
12. Among Fe, Zn, Cu and Al, which one is the least reactive metal ?
(a) Fe (b) Zn
(c) Cu (d) Al.
13. The structure marked in the diagram is dia
(a) podia (b) pseudopodia
(c) filopodia (d) none of these.
14. Binary fission starts in an Amoeba with the
(a) constriction of its cell membrane (b) elongation of its nucleus
(c) two Amoebae come closer (d) none of these.
15. Which of the following are produced when zinc metal is allowed to react with dilute HCl ?
(a) H 2 + ZnCl 2 (b) Cl 2 + ZnO
(c) O 2 + ZnCl 2 (d) None of these.

Class X ( Supplementory )
Practical

SECTION – A :
1. The pH value of lemon juice is
(a) equal to 7 (b) more than 7
(c) less than 7 (d) none of these.
3. On adding alkali to red litmus solution, its colour changes to
(a) Orange (b) Blue
(c) Green (d) Yellow.
4. What is the final colour of blue litmus when a dilute solution of NaOH is added to it ?
(a) Blue (b) Pink
(c) Red (d) Orange.
5. What is the colour of an acidified solution of potassium dichromate ?
(a) Orange (b) Green
(c) Red (d) Purple.
6. SO 2 dissolves in water to give
(a) H 2 SO 4 (b) H 2 SO 3
(c) H 2 S 2 O 7 (d) none of these.
7. Which one of the following will form a blue solution in water ?
(a) ZnSO 4 (b) FeSO 4
(c) CuSO 4 (d) Al 2 ( S O 4 ) 3 .
8. Ethanoic acid turns
(a) Red litmus blue (b) Red litmus black
(c) Blue litmus yellow (d) Blue litmus red.
9. Image formed by a convex mirror is always
(a) real and magnified (b) real and diminished
(c) virtual and magnified (d) virtual and diminished.
10. Linear magnification m of a plane mirror is
(a) m >1 (b) m < 1
(c) m = 1 (d) m = 0.