PHYSICS
1. Which device is used to detect the presence of static electric charge?
a) Volt meter
b) Ammeter
c) Electroscope
d) Resistor
2. What is the SI unit of electric charge?
a) Volt
b) Coulomb
c) Ampere
d) Ohm
3.Assertion: Like charges attract each other, and unlike charges repel each other.
Reason: An atom consists of positively charged protons and negatively charged electrons.
a) Both A and R are true, and R is the correct explanation of A.
b) Both A and R are true, but R is not the correct explanation of A.
c) A is true but R is false.
d) A is false but R is true.
4. What is the charge of electrons?
a) Positive
b) Negative
c) Zero
d) None of these
5. What is the SI unit of capacitance?
a) Volt
b) Ohm
c) Ampere
d) Farad
CHEMISTRY
6. What happens when carbon dioxide is passed through lime water?
a) Limewater turns milky.
b) Limewater turns blue.
c) Brown rings form.
d) Black precipitate is formed.
7. Which gas is released when dilute hydrochloric acid is added to zinc granules?
a) Oxygen
b) Hydrogen
c) Carbon dioxide
d) Chlorine
8. Which of the following substances will not change the colour when red and blue litmus papers are used?
a) Vinegar
b) Baking soda
c) Distilled water
d) Lemon juice
9. Analyse the statements given below and choose the correct answer.
Statement (i): The pH value of water is 7.
Statement (ii): When salt solution is added to water, the pH value increases to 7.
a) Both statements (i) and (ii) are correct.
b) Both statements (i) and (ii) are incorrect.
c) Statement (i) is correct but (ii) is incorrect.
d) Statement (i) is incorrect but (ii) is correct.
SOCIAL SCIENCE
10. Find out the inorganic minerals from the following:
a) Coal
b) Graphite
c) Clay
d) Petroleum
A. a and b
B. c and d
C. a and c
D. b and c
11. Choose the correct statements related to the features of New Media from those given below.
i. High interaction
ii. One-way communication
iii. Limited participation
iv. Digital form
A. i, ii
B. ii, iii
C. i, iv
D. i, iv
12. Identify the statement that is not included in digital etiquette.
a) Respect others' privacy
b) Use of abusive language
c) Be careful of the messages in digital spaces
d) Be careful when sharing posts
13. Identify the example of Non-Renewable Resources.
a) Sunlight
b) Air
c) Iron
d) Water
14. Identify the main aim of Sustainable Development from the following.
a) Over use of resources
b) Conserve resources for future generations
c) Industrial growth
d) Urbanization
MATHEMATICS
15. Look at the table given below.
| Column A | Column B |
|---|---|
| (p) −x + y | (i) −x − y |
| (q) −(x + y) | (ii) −y + x |
| (r) x − y, y > x | (iii) y − x |
| (iv) −(y − x) |
Which of the following is the correct matching?
a) (p) – (ii), (q) – (i), (r) – (iii)
b) (p) – (iii), (q) – (iv), (r) – (ii)
c) (p) – (iii), (q) – (i), (r) – (iv)
d) (p) – (ii), (q) – (i), (r) – (iv)
16. Look at the statements given below.
Statement 1: Subtracting 3 from -5 gives -2.
Statement 2: From the negative of a positive number, if we subtract a positive number, the sum of these positive numbers is obtained.
a) Statement 1 is true, Statement 2 is false.
b) Statement 1 is false, Statement 2 is true.
c) Both statements are true; Statement 1 is the reason for Statement 2.
d) Both statements are true, and Statement 1 is not the reason for Statement 2.
17. A book is 4 rupees more than a pen. If you buy one more pen, how much will it cost?
(The price of a book is 4 rupees more than that of a pen.)
a) 24
b) 26
c) 28
d) 30
18. Six years ago, Rahul's age was 4 times the age of his son. After 6 years, Rahul's age will be twice the age of his son. What is the present age of his son?
a) 10
b) 12
c) 13
d) 14
19. If one number is added to the two times of the sum of 3 and another number, the result is 24. Find the number.
a) 1
b) 2
c) 3
d) 4
ANSWERS – 1 TO 19
- (c)
- (b)
- (d)
- (b)
- (d)
- (a)
- (b)
- (c)
- (d)
- (c)
- (d)
- (b)
- (c)
- (b)
- (c)
- (b)
- (c)
- (b)
- (d)
