www.mpbse.nic.in Madhya Pradesh : Elements Of Science Model Question Paper Plus Two / 12th Std / +2

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Document Described : Elements Of Science Question Paper, Madhya Pradesh Question Paper

ELEMENTS OF SCIENCE
Class XII
Time - 3 Hours M.M. 75

Note :
1. All Questions are compulsory.
2. Read all instruction carefully and then answer the questions.
3. There are two parts- Section A and Section-B.
4. In Section A Q.No. 1 to 4 are objective types which contain choose the correct answer, fill in the blanks, one word answer and match the column. Each question is allotted 5 marks.

http://mpbse.nic.in/Model%20Que-Ans%20paper.htm
http://mpbse.nic.in/12th/ELEMENTS%20...-SCIENCE-1.pdf

5. Internal options are given in Question No. 5 to 16 is section-B.
6. Q.Nos. 5 to 11 carry 4 marks each. (Words limit approximrte 75 words)
7. Q.No. 12 to 14 carry 5 marks each.(Words limit approximrte 125 words)
8. Q.No. 15 to 16 carry 6 marks each.(Words limit approximrte 150 words)

Section A :
(Objective type Questions (Each 5 marks)
Choose the correct option :-
Electro Magnetism is used in -
(i) Electric Bell (ii) Electric Bulb (iii) Train (iv) Electric Iron
Molerity of solution is -
(i) gm. Molecular weight/litre (ii) gm- equivallent weight/litre
(iii) Miligram Molecular weight/litre (iv) Miligram equivalent weight/litre
How many types of Electro magnet-
(i) One (ii) Two (iii) Four (iv) Five
Which chemical substance is used in the purification of water -
(i) Alum (ii) Mercury (iii) Antimony (iv) Carbon
The substance which are capable of increasing the activity of catalyst are know as -
(i) Asbestos (ii) Catalytic promoters
(iii) Catalytic poison (iv) Contact catalyst

Fill in the blanks :
The water secretion in the form of drops apex of leaves is said
to be .......................
pH. of Blood is ....................
Typhoid disease in human is cauzed by ...............
The atmospheric gas essential for photosynthesis is ............
The Botanical name of Brinjal is .....................

Match the columns correctly :
Ammonium chloride Yeast
Methyl Orange kMnO4
Maltase Possitive catalysis
Physical states of catalyst Nausadar and Reactant is same
Pottasium permagnate Indicator
Catalytic Posion
Amoeba

Give the answer of the following in one word or one sentence each :
What do you call the process by which the concentration of unknown solution is determined by the known concentration solution.
Write the Botanical name of Tulsi
Write the chemical formula of sodium by carbonate.
Which enzyme convert protein to Peptone.
What do you called the solution whose concentration is knwon.

(Section-B) :
(Very short Answer type question)
What is Optical medium of Light ? Explain their types.
What is Spectrum ? Write the Experiment of Newton’s Disc.
Draw labelled diagram of Electric bell.
Discribe horse shoe type electromagnet with labelled diagram.
Write the Importance of Buffer solution.
Write the chemical formula and two uses of soral cement.
There are 60 bulb in a hostel each bulb is 60 watts and light 4 hour daily. How much eletricity will consumed in 30 days.
What do you mean by Electric fuse? Explain with diagram.
What is Hydroponics Explain it.
Explain cantour system and Transplanting trowel with diagram.
Write Importance of transpiration.
Write the function of chlorophyll.
Write definition and chemical equations of Respiration.
Write difference between Aerobic and Anaerobic Respiration.

(Short Answer type question)
Discribe Brownian movement and Tyndall effect with labelled diagram.
Explain uses of colloides in daily life.
What is electrolysis ? Write Faraday’s laws of Electrolysis.
Describe the method of Electro plating with labelled diagram.
Draw labelled diagram of becterial cell.
“Bacteria are our friend” prove the statement.

(Long Answer Type question)
Describe Lock & key theory of enzyme with diagram.
Write botanical name, significance and uses (two) of Neem, Tulsi and Amla.
Write difference between umbra and penumbra which type of shadow will obtain when the source of light is greater than object.

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