jaincollege.ac.in Pre University I PUC Science Mock Question Paper 2019 : Sri Bhagawan Mahaveer Jain College
Name of the Organization : Sri Bhagawan Mahaveer Jain College
Name Of The Exam : Mock Question Paper
Document Type : Sample Question Paper
Subject : Science
Course: I PUC – Pre University
Year : 2019
Website : https://www.jaincollege.ac.in/jayanagar/model-papers/puc-2019.php
Jain College I PUC Science Mock Paper
Jain College, Jayanagar
I PUC Mock Paper, Dec – 2018
Subject: I PUC ELECTRONICS (40)
Duration: 3 hours 15 minutes
Max. Marks: 70
Related : Sri Bhagawan Mahaveer Jain College Pre University I PUC Commerce Mock Question Paper 2019 : www.pdfquestion.in/33304.html
Electronics
PART – A :
Answer all the questions: 10 ? 1 = 10
1. Who discovered the Electron?
2. What is direction of Conventional Current flow?
3. Expand ECG.
4. State Ohm’s law.
5. Define the phase difference between two A.C. quantities.
6. In which type of biasing is the pn? junction Diode resistance is high?
7. Draw the schematic symbol of LED.
8. Why is Transistor called transfer resistor device?
9. How many basic symbols are used in hexadecimal number system?
10. Name the type of Capacitor having Polarity.
Download Question paper :
Electronics : https://www.pdfquestion.in/uploads/33309-Iece.pdf
Biology : https://www.pdfquestion.in/uploads/33309-Ibio.pdf
Computer : https://www.pdfquestion.in/uploads/33309-Icom.pdf
Mathematics : https://www.pdfquestion.in/uploads/33309-Imat.pdf
Physics : https://www.pdfquestion.in/uploads/33309-Iphy.pdf
Chemistry : https://www.pdfquestion.in/uploads/33309-Iche.pdf
PART – B :
Answer any Five of the following questions: 5 ? 2 = 10
11. Name two semiconductor materials used in device fabrication.
12. Mention any two properties of charges.
13. State Kirchhoff’s laws.
14. Identify the resistor values with the four colour bands.
a) Orange – Orange – Brown – Silver
b) Red – Red – Red – Gold
15. A 2.5 mH inductor is placed in a circuit, where the frequency is 100 KHz and Voltage is 50 V .
Calculate reactance and peak current.
16. Write the circuit of series negative clipper and show the input and output waveforms.
17. Write the two applications of IR Transistor.
18. Perform the Binary Addition of the Numbers ? ?2 1011111 and ? ?2
Biology
i) This question paper consists of four parts A, B, C and D. Part D consists of two parts, Section-1 and Section-II.
ii) All the parts are compulsory.
iii) Draw the diagrams whenever necessary. Unlabelled diagrams or illustrations do not attract any marks.
Part-A :
Answer the following questions in one word or one sentence each: 10×1=10
1. Name the first cervical vertebrae.
2. “S.A node is pacemaker of the heart” Give reason.
3. Name the source of colchicine.
4. Name the algal component of Lichen.
5. What is Triploblastic?
6. What is the purpose of gemma?
7. What is a phylloclade?
8. What are Thylakoids?
9. When is the rate of transport across the membrane maximum during facilitated diffusion?
10. What is the function of amyloplast?
Part-B :
Answer any FIVE of the following questions in 3-5 sentences each, wherever applicable: 5×2=10
11. List four characters of cyanobacteria.
12. Differentiate between Chlorosis and Necrosis.
13. a) Why are Rhodophyceae called red algae?
b) Name the major storage food in Phaeophyceae.
14. Differentiate between root hairs and trichome.
15. a) Give an example of homopolysaccharide and heteropolysaccharide.
b) What are the components of nucleotides?
16. Draw a diagram of a typical set up of nutrient solution culture?
17. Differentiate between Racemose and Cymose inflorescence.
Part-C :
Answer any FIVE of the following questions in 40-80 words each, wherever applicable: 5×3=15
18. Explain the process of Fat digestion and absorption in alimentary canal.
19. Write salient features of phylum Aschelminthes.
20. Write the schematic representations of Non cyclic photophosphorylation explain briefly.
21. Draw a neat schematic diagram of Calvin cycle.
22. Write the taxonomic categories of Mango
23. Write a note on digestive system of Earthworm.
24. Write a short note on factors affecting enzyme action.
Computer Science
I. Answer all questions 1×10=10M
1. Name the component used for switching circuits in I generation computers.
2. Define resolution of a monitor.
3. What is bottom-up approach of problem solving?
4. Find the value of x if x = a++and a=3.
5. What are manipulators?
6. Mention any one jump statement in c++.
7. What is an array?
8. What is default return type of a function?
9. What is the use of font dialog box?
10. What is the extension of an excel worksheet?
II. Answer any five questions 2×5=10M
11. Explain any two features of computers.
12. Mention different types of Operating System.
13. Mention different types of keys on keyboard.
14. Mention the advantages of an algorithm.
15. Mention any two fundamental datatypes.
16. Mention any two built-in functions along with their header files.
17. Mention any two advantages of OOPs.
18. Give the keystrokes for UNDO editing and Select all options in MS-Word.
III. Answer any five questions 3×5=15M
19. Explain any one secondary memory device.
20. Write a note on computer codes.
21. Differentiate between compiler and interpreter.
22. Briefly explain while iterative construct.
23. Explain integer constants in c++.
24. Explain insertion and extraction operators in c++.
25. Explain the process of definition of structure with an example.
26. Write a program segment to input one-dimensional array.
Mathematics
I. Answer all the TEN questions: 10X1=10
1. Write the power set of A = { a, b}.
2. If (x-1, y+4) = (3,9). Find x and y.
3. If tan x = 4 3 , x lies in 3rd quadrant. Find sin x.
4. Find n if nC7 = nC6.
5. Find the 20th term of G P ,…….. 8 5 , 4 5 ,2 5
6. Find the slope and y intercept of 3x + 4y – 10 = 0
7. Find the eccentricity of ellipse 1 9 16 2 2 ? ? x y
8. Find the derivative of 4 3 2 ? x .
9. Write the negation of “Every natural number is greater than zero”.
10. Write the sample space for the experiment “a coin is tossed repeatedly 3 times”.
Part-B
II. Answer any TEN questions: 10X2=20
11. If A = {1, 2, 3, 4} B={2,3,5} C = {3, 5, 6} find A?(B?C).
12. If X and Y are 2 sets such that X ?Y has 50 elements, X has 28 elements and Y has 32 elements. How many elements does X ? Y have?
13. Taking set of natural numbers as the universal set If A = {x : x?N and 2x+1 > 10} and B = {x: x ? N and 3x-1>8}. Find A? and B? .
14. A wheel makes 360 revolutions in one minute; through how many radians does it turn in one second.
15. Find the value of sin 150.
Physics
General Instructions :
1. All parts are compulsory.
2. Answers without relevant diagram/figure/circuit wherever necessary will not carry any marks.
3. Direct answers to numerical problems without detailed solutions will not carry marks.
Part A :
I. Answer all the following questions. 10×1=10
1. Express 1KWh in joules.
2. Draw p-t graph for uniform velocity.
3. Define free fall of a body.
4. Which law of motion is used to explain rocket propulsion?
5. Write the distance of geostationary satellite from center of earth.
6. What is the significance of zeroth law of thermodynamics?
7. State Hooke’s law.
8. Define second’s pendulum.
9. Define black body radiation.
10. What is the distance between node and adjacent antinode?
Part B :
II. Answer any five of the following questions. 5×2=10
11. Mention any two limitations of dimensional analysis.
12. Distinguish between distance and displacement.
13. A person can throw a stone to maximum height H. What is maximum horizontal distance he can throw?
14. Friction is a necessary evil. Justify?
15. State 2nd law of thermodynamics.
16. Write any two applications of thermal expansion.
17. Define free and forced oscillations.
18. Define streamline and turbulent flow of liquid.
Chemistry
Instructions :
(i) The question paper has four parts: A, B, C and D. All parts are compulsory
(ii) Write balanced chemical equations and draw labeled diagrams wherever required
(iii) Use log tables and simple calculator if necessary.
PART A :
I. Answer all the following. Each question carries 1 mark. 10×1=10
1. Which is the chemical responsible for the depletion of ozone?
2. Write the dimensions of surface tension.
3. What is the pH of 10-2M HCl solution?
4. State Mendeleev’s periodic law.
5. Complete the following equation 2Fe2++H++H2O2?_______+2H2O
6. Why group I elements are called as alkali metals?
7. What is producer gas?
8. Why carbon shows allotropic forms?
9. Which type of E effect operates during the attack of proton on ethane molecule?
10. What is Lindlar’s catalyst?
PART-B :
II. Answer any FIVE of the following. Each question carries 2 marks. 5×2=10
11. State law of definite proportion.
12. Give any four postulates of kinetic theory of gases.
13. Draw the Lewis symbols for CO and Cl2 molecules.
14. Why does Lithium show anomalous behaviour?
15. Why carbon monoxide is poisonous? Explain.
16. Explain any one method for preparation of alkanes.