Time: 2 1/2 Hours PARTS A & B Max. Marks: 50
Instructions:
1) Answer the questions under Part 'A' on a separate answer book.
2) Write the answers to the questions under 'Part B' on the question paper itself and
attach it to the answer book of Part 'A'.
Time: 2 Hours Part - A Marks: 35
SECTION - I
Note: 1) Answer any FIVE questions, choosing atleast TWO from each group.
2) Each question carries TWO marks. 5 × 2 = 10
GROUP - A
1. Distinguish between inertial and Non-inertial frames of reference.
2. What are the characteristics of a simple harmonic motion?
3. Mention the applications of electrolysis.
4. Draw the block diagram of a computer.
GROUP - B
5. Write the electronic configuration of
a) Chromium b) Sodium
6. Sketch the structure of Paracetamol drug molecules.
7. Calculate the pH value of 0.001 M HCl.
8. How is Tollen's reagent prepared? How is glucose tested with it?
SECTION - II
Note: 1) Answer any FOUR of the following SIX questions.
2) Each question carries ONE mark. 4 × 1 = 4
9. What is a hole?
10. State the law of radio active disintegration.
11. Why 'g' value decreases when we go deep into the earth?
12. Define a strong acid.
13. What are primary nutrients?
14. How many 'm' values are possible for l = 3?
SECTION - III
Note: 1) Answer any FOUR questions, choosing at least TWO from each group.
2) Each question carries FOUR marks. 4 × 4 = 16
GROUP - A
15. Mention any eight uses of laser of light in the fields of medicine, industry, in
space science and defence.
16. What is the principle of a Nuclear Reactor? How is chain reaction controlled in
a Nuclear Reactor?
17. State the properties and uses of a junction diode.
18. A house is fitted with 10 lamps of 60 watts each. If each lamp burns for 5 hours a
day on an average, find the cost of consumption in a month of 30 days at 80 paise
for unit.
GROUP - B
19. Explain the formation of a coordinate covalent bond.
20. Explain the following.
a) Representative elements b) s - block elements
c) p - block elements d) Transition elements
21. Define ionisation energy and mention the factors that influence ionisation
energy.
22. What are the sources of oils and fats? Mention three industrial uses of oil?
SECTION - IV
Note: 1) Answer any ONE of the following questions.
2) This question carries FIVE marks. 1 × 5 = 5
23. Draw the diagrams showing negative zero error and positive zero error of
screw gauge.
24. Draw the diagram showing the parts of sugar industry.
Time: 30 Minutes Part -B Marks: 15
Note: 1) Answer ALL questions.
2) Each question carries mark.
3) Candidates must use the CAPITAL LETTERS while answering the multiple choice questions.
4) Marks will NOT be awarded in case of any overwriting or re-writing or erased answers.
I. Pick up the correct answer and fill in the brackets with the CAPITAL
LETTER of the correct answer chosen. (10 × 1−2 = 5)
1. According to Kepler concept, the orbit of a planet around the Sun is ( )
A) circular B) elliptical C) rectangular D) linear
2. In the following, which is not a diamagnetic substance? ( )
A) Air B) Nickel C) Water D) Bismuth
3. If the distance between a node and the next antinode in a stationary wave is
10 cms, then the wavelength is ( )
A) 5 cm B) 20 cm C) 40 cm D) 10 cm
4. A solid angle is measured in..... ( )
A) Candela B) Lumen C) Steradians D) Radians
5. In p type Semi-conductors, majority carriers are ( )
A) Electrons B) Holes
C) Ions D) Electrons and Holes
6. Among 3p, 4s, 3d and 4p the orbital having the least energy is ( )
A) 4s B) 3p C) 3d D) 4p
7. CaO is ( )
A) Acidic B) Basic C) Neutral D) Amphoteric
8. Drugs which act on blood circulation are ( )
A) hormones B) vitamins C) cardio-vascular D) antibiotics
9. The name of C6H14 is.... ( )
A) Hexane B) Octane C) Methane D) Propane
10. 10 gms of Na2CO3 is dissolved in 190 gms. of water. The W% of solution is
( )
A) 20 B) 5 C) 10 D) 2.5
II. Fill in the blanks. (10 × 1−2 = 5)
11. The value of 'G' is ___________.
12. When a body is projected upwards, the acceleration due to gravity is taken as
__________.
13. Radio waves have wave lengths from ______ to _______.
14. The process of achieving population inversion is called ____.
15. Magnetic field induction on the equatorial line is given by B = __________
Newtons/ Ampere-meter.
16. NH3 has _____________ Shape.
17. The body fluid whose pH is greater than ''7'' is _______.
18. The process of cooling glass is called __________.
19. The solid Carbon dioxide is called as ___________.
20. ___________ hold materials together by surface attachment.
III. Match the following. (10 × 1−2 = 5)
Physics
i) Group- A Group - B
21. Deuterium ( ) A) 1.66 × 10-12 Joules
22. Mass of Proton ( ) B) 1.0087 amu
23. Mass of Neutron ( ) C) 9.8 m/sec2
24. Acceleration due to gravity ( ) D) 4.2 joules
25. 1 calorie ( ) E) 21H
F) 1.0078 amu
G) 931.5 Me V
Chemistry
ii) Group - A Group - B
26. Carbon tetrachloride ( ) A) CHCl3
27. Butane ( ) B) CH4
28. Methane ( ) C) C6H6
29. Chloroform ( ) D) CCl4
30. Benzene ( ) E) C4H10
F) C2H2
G) CH3
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