Free Printable ODA QUIZZ 4

1.

What is the name of the instrument used to measure atmospheric pressure?

a)

Barometer

b)

Ammeter

c)

Voltmeter

d)

Thermometer

2.

1. Which of the following is not an example of muscular force?

a)

A porter carrying a load on a wheel-barrow.

b)

An apple falling from a tree.

c)

A child riding a bicycle.

d)

A person drawing water from a well.

3.

Two boys A (left side) and B (right side) are applying force on a block. If the block moves towards the right, which one of the following statements is correct?

a)

Magnitude of force applied by A is greater than that of B.

b)

Magnitude of force applied by A is smaller than that of B.

c)

Net force on the block is towards A.

d)

Magnitude of force applied by A is equal to that of B.

4.

In the electric bell circuit, when the circuit is completed, the hammer strikes the gong. Which of the following force is responsible for the movement of hammer?

a)

Gravitational force alone

b)

Electrostatic force alone

c)

Magnetic force alone

d)

Frictional force alone

5.

Two objects repel each other. This repulsion could be due to:

a)

Frictional force only

b)

Electrostatic force only

c)

Magnetic force only

d)

Either a magnetic or an electrostatic force

6.

1. Match the polymers in column I with their uses in column II and select the correct answer from codes given below

Column I Column II

(a) Polythene (i) Non-stick pans

(b) PVC (ii) Bags for food storage

(c) Polystyrene (iii) Raincoats, seat covers

(d) Teflon (iv) Plastic cup

a)

(a) – (ii), (b) – (iii), (c) – (iv), (d) – (i)

b)

(a) – (i), (b) – (ii), (c) – (iii), (d) – (iv)

c)

(a) – (ii), (b) – (iv), (c) – (iii), (d) – (i)

d)

(a) – (iii), (b) – (ii), (c) – (i), (d) – (iv)

7.

The plastics in which monomers are arranged in a straight line chain are said to have a linear arrangement for molecules. An example for this type of plastic is

a)

Bakelite

b)

Melamine

c)

Polyethene

d)

PVC

8.

PET bottles and utensils are made from:-

a)

Nylon

b)

Polyester

c)

Teflon

d)

Orlon

9.

By which fabrics terry cot is made?

a)

Cotton + Orlon

b)

Polyester + Cotton

c)

Cotton + Nylon

d)

Cotton + Rayon

10.

X appears like silk. It is strong and flexible. Non-availability of X caused riots after world war – II. X is

a)

Cotton

b)

Rayon

c)

Polyester

d)

Nylon

11.

Which equation has x = 5 as the solution?

a)

x + 15 = 10

b)

2x = 5

c)

2x = 10

d)

5x + 5 = 20

12.

Solve 3x - 10 = 2 – x

a)

-4

b)

3

c)

-2

d)

6

13.

Solve 2z - 1 = 14 – z

a)

7

b)

2

c)

5

d)

9

14.

Solve 2x + 5/4 = 4x +2

a)

3/8

b)

-3/4

c)

4/8

d)

-3/8

15.

Which of the following expressions has a simplified value of 3a – 2?

a)

-6a+9a+4–2

b)

-a+4+5a–a–6

c)

-8+3a+10–a

d)

o -10–5a+12+8a

16.

What is the process of separation of grain from chaff called?

a)

Winnowing

b)

levelling

c)

Harrowing

d)

sieving

17.

Which one of the following condition is not essential to grow maize?

a)

High temperature

b)

Low temperature

c)

Humidity

d)

Rainfall

18.

Which of the following statement is not true for organic manure?

a)

It enhances water holding capacity of soil

b)

It has a balance of all plant nutrients

c)

It provides humus to soil

d)

It improves texture of soil.

19.

Given below are statements which have harmful effects on weeds on crop plants (1) they interfere in harvesting

(2)they help crop plants to grow healthy

(3)they compete with plants for water , nutrients and space

(4) they affect the growth of plants.

choose the correct statements from the following :

a)

1, 3, 4

b)

only 3

c)

3 and 4

d)

1, 2, 3, 4

20.

which of the following is a weedicide ?

a)

2,4 D

b)

NEEM EXTRACT

c)

BOTH 1, 2

d)

DDT

ODA QUIZZ 4

Total questions: 20

Worksheet time: 14mins

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