BIOLOGY
1. A few statements about microscopes are given below. Identify the correct one(s).
Statement 1: Only one lens is used in a compound microscope.
Statement 2: Electron microscopes use electrons instead of light source.
Statement 3: The slide is placed in the stage of the microscope.
a) Statements 1 and 2 only
b) Statements 1 and 3 only
c) Statements 2 and 3 only
d) Statements 1, 2 and 3
2. Identify the character that is unique to animal cell.
a) Presence of vacuole
b) Presence of centrosome
c) Presence of cell wall
d) Presence of plastid
3. Select the correct pairs.
(i) Cytoskeleton – Endoplasmic reticulum
(ii) Centre of protein synthesis in the cell – Ribosome
(iii) Power house of the cell – Mitochondria
(iv) Cytoskeleton – Golgi complex
a) (i), (ii), (iii)
b) (ii), (iii), (iv)
c) (i), (iii), (iv)
d) (i), (ii), (iv)
4. The kitchen of the cell is called:
a) Cell wall
b) Nucleus
c) Vacuole
d) Plastids
5. Which of the following tissue is a dead cell?
a) Parenchyma
b) Sclerenchyma
c) Collenchyma
d) Chlorenchyma
6. Which characteristic is not related to meristematic cells?
a) Comparatively large nucleus
b) Thin primary wall
c) Less cytoplasm
d) More cytoplasm
7. Which one of the following statement is correct about collenchyma?
a) Uniformly thick all over the cell wall.
b) Only corners of the cell are thickened.
c) Found in the tender parts of the plant body.
d) Helps in storage of food.
PHYSICS
8. Analyse these statements and find out the correct one.
Statement 1: The size of air bubbles forced down from top to bottom in a lake decreases.
Statement 2: The size of air bubbles rising from the bottom of a lake increases.
a) Both statements are correct.
b) Only the second statement is correct.
c) Only the first statement is correct.
d) Both statements are incorrect.
9. The normal force acting on a surface is:
a) Pressure
b) Thrust
c) Atmospheric pressure
d) Pressure difference
10. The unit of atmospheric pressure is:
a) Bar
b) N
c) Pa
d) cm
11. What are the factors on which gas pressure depends?
a) Number of molecules
b) Volume
c) Temperature
d) All of these
12. Which instrument is used to measure liquid pressure?
a) Meter
b) Barometer
c) Manometer
d) Lactometer
CHEMISTRY
13. Analyze the statements given below and choose the correct answer.
Statement (A): Sodium is stored in kerosene.
Reason (R): Sodium reacts very quickly with air and water.
a) Statement (A) and (R) are correct, but (R) is not the correct explanation of (A).
b) Statement (A) and (R) are correct. (R) is the correct explanation of (A).
c) Statement (A) is correct but (R) is wrong.
d) Statements (A) and (R) are wrong.
14. The metal that exists in liquid state at room temperature is:
a) Helium
b) Mercury
c) Bromine
d) Chlorine
15. Which of the following metals has the lowest melting point?
a) Potassium
b) Lithium
c) Gallium
d) Zinc
16. Which property of metals is utilised to make bells?
a) Malleability
b) Ductility
c) Thermal conductivity
d) Sonority
17. The metal present in the haemoglobin of our blood is:
a) Sodium
b) Silver
c) Calcium
d) Iron
SOCIAL SCIENCE
18. Which among the following concepts is not included in the socialist ideas of the Directive Principles of State Policy?
a) Wage for livelihood for workers
b) Right to employment
c) Uniform Civil Code for citizens
d) Equal pay for equal work for men and women
19. Find out the correct economic concept for each of the following.
a) The cost of production is the labour of the various enterprises.
b) The relationship between purchases and sales is called the trade balance.
c) The economic problems can be solved through government intervention.
d) The trade between two countries can increase when the price of the goods is low.
20. Who developed the concept of “Creative Destruction”?
a) David Ricardo
b) J. M. Keynes
c) Karl Marx
d) J. A. Schumpeter
21. Which of the following is not a main feature of a Socialist Economy?
a) Social welfare is the main objective.
b) Maximum profit
c) Government’s control over the market
d) Ownership of the factors of production
22. Which Constitutional Amendment made the Right to Education as a fundamental right?
a) 101st Constitutional Amendment
b) 42nd Constitutional Amendment
c) 44th Constitutional Amendment
d) 86th Constitutional Amendment
MATHEMATICS
23. In a polygon with all angles equal, if one inner angle is 144°, what is the measure of one outer angle?
a) 180°
b) 36°
c) 144°
d) 100°
24. The ratio of an inner and outer angle at a vertex of a regular polygon is 3 : 2. How many sides does it have?
a) 4
b) 6
c) 5
d) 3
25. The inner angle of a regular polygon is double that of its outer angle. Find the measure of one inner angle.
a) 60°
b) 170°
c) 100°
d) 120°
26. What is the sum of angles of a decagon?
a) 1440°
b) 1800°
c) 1330°
d) 1150°
ANSWERS – 1 to 26
- (a)
- (b)
- (b)
- (d)
- (c)
- (a)
- (b)
- (a)
- (b)
- (a)
- (d)
- (c)
- (b)
- (b)
- (c)
- (d)
- (d)
- (c)
- (a)
- (d)
- (b)
- (d)
- (b) 36°
- (c) 5 sides
- (d) 120°
- (a) 1440°
