MCQ Test

Physics full Test Part2. 3×10, 5×2…….Max time .70minutes

1. Define a. Current b. Rheostat c. Electric Potential
2. State fleming’s left hand rule. An electron travels towards south in a magnetic field whose direction is towards East. Find direction of force acting on electron.
3. Find number of electrons in 1 C of charge. Find current when a mole of electrons passing through a circuit per hour. Define 1volt.
4. Draw a circuit diagram which consist 3 resistors R1, R2 ,R3 in series , 3 voltmeter (V1,V2,V3), an Ammeter(A), a key, a battery consisting 2 cells. Derive equivalent resistance.
5. Derive relation between resistance and resistivity. Explain the factors on which resistance and resistivity depend.
6. Draw magnetic field lines along a. Circular loop b. Solenoid
7. Write properties of magnetic field along bar magnetic. How field lines of solenoid differ that of bar magnetic? What happens when magnetic field lines of a bar magnetic cross each other.
8. Define a. 1A b. Overloading c. Short circuit d. Safety device e. Cell f. Electromagnet
9. A wire of resistance R ohm are cut into n equal parts. If these wires are connected in parallel. Find ratio of equivalent resistance of these wires and original resistance. How 3 resistors of 18ohm each be connected to make equivalent resistance 12ohm.
10. Give reason: a. Parallel combination are used in domestic circuit. b. Copper is used as electrical wire. c. Ammeter is connected in series but voltmeter in parallel.
11. Write joule’s law of heating. Write commercial unit of energy in usual and SI units. 3 fans of 200W is operated 12hours daily , 2AC of 5000W operated 6hours daily. Find bill of energy used in the month of May, if 1unit cost Rs.7. Derive V=IR. Which quantity is provided by I-V graph.
12. If direction of current from S to N and point A is at right and point B is at left position. Explain the law associated to find direction of magnetic field at point A and B. Find direction of M.F at A and B. Write an activity to show deflection of current carrying conductor in a magnetic field.

Chemistry +biology full Test 3×10, 5×4. Maximum time: 90 minutes

1. Write balanced chemical equations. 1. Ferric sulphate react with caustic soda 2. Aluminium react with hydrochloric acid 3. Sulphuric acid react with hydrogen iodide to form hydrogen sulphide, water and iodine
2. Write two chemical test to distinguish a. Ethanol and ethanoic acid b. Saturated and unsaturated hydrocarbon. Also write related reaction.
3. Degree of unsaturated is highest in hexene, hexyne and benzene. How many hydrogen molecules required to make them saturated. Explain. Write 4th homologous of aldehyde. Draw it’s structure.
4. Write first member of any 6 functional group also draw their structure.
5. How hydronium ion is formed sulphuric acid dissolve in water? Define PH scale. Mention colour change at different values?
6. Why respiratory pigment required in multicellular organism? How CO2 is expelled out of the body from cells?
7. Draw longitudinal section of flower. Define germination and diagram of germinating seed. How does germinating seed fulfilĺ energy requirement?
8. Write genotype and phenotype when RRyY are self pollinated. Is RRyY is one of the genotype in dihybrid cross,if yes how many in 64 seeds?
9. Explain digestion of carbohydrate and fat.
10. What are the roles of producers and decomposers in an ecosystem? What happen if one of them eliminated?
11. Explain function of uterus, fallopian tube and ovary with the help of suitable diagram. How foetus get nourished in uterus?
12. Explain following reactions: a. Thermite reactions (2reactions) b. Electrolytic decomposition (with diagram) c. Extraction of Ca from calcium chloride. (1.5+2+1.5)
13. Explain breakdown of glucose. How small intestine designed for absorption? How gaseous exchange takes place in humans? Write differences between pepsin and trypsin.
14. Define ionic compounds. Write the formation of magnesium chloride. Write uses of bleaching powder(3points). What is the percentage of chlorine in bleaching powder by mass. Write reaction of aluminium with caustic soda.

Chemistry full Test. MM.45 Time.90minutes

3 marker Questions

Q.1) Complete and Balance the following reactions:

1. Fe+H2O———->
2. Pb(NO3)2—-Heat——->
3. Ethanol+O2———->

Q.2) Define Isomoerism. Write isomers of hexane.

Q.3) Give reason for following:

1. Slakè lime is used for whitewashing.
2. Ethanoic acid is called glacial acetic acid
3. dry HCl couldn’t give litmus test

Q.4) Explain the following reactions a. Addition reactions b. Precipitation reaction c. Saponification reaction

Q.5) Explain baking soda a. Formation b. Decomposition c. Uses

Q.6) Define: a. Ore b. Gangue c. Calcination d. Galvanization e. Alloy f. Oxidising agent

Q.7) Write IUPAC name of the following: a. CH3CH2CH2CH2I b. CH3COO(CH2)2CH3 c. CH2O d. C4H8O2 e. CHC(CH2)3CH3 f. saturated-C6H12

Q.8) Explain relectrolytic refining of copper with suitable diagram.

Q.9) Explain chlore alkali process. Write uses of the products of chlore alkali process.

Q.10) Draw electron dot structure of a. Butanol b. Ethanoic acid c. Chloro ethane

5 marker Questions

Q.11)a. Explain extraction of metals which are at low reactivity (2examples) b. Write 2 displacement reactions which are highly exothermic reaction. c. Write composition of brass and solder

Q.12)a. Write 1 chemical properties of ethanol and 3 chemical properties of ethanoic properties b. Define detergent c. Why soaps are not effective in hard water? d. Define miscelle