Dr. J P Sharma Solutions for Exercise 2: QUICK ASSIGNMENT

Author:J P Sharma

J P Sharma Science Solutions for Exercise - Dr. J P Sharma Solutions for Exercise 2: QUICK ASSIGNMENT

Attempt the free practice questions from Exercise 2: QUICK ASSIGNMENT with hints and solutions to strengthen your understanding. Science In Life Today 4. solutions are prepared by Experienced Embibe Experts.

Questions from Dr. J P Sharma Solutions for Exercise 2: QUICK ASSIGNMENT with Hints & Solutions

EASY
4th CBSE
IMPORTANT

Use of low energy bulbs like _____ (compact fluorescent lamp/ incandescent bulb) saves energy.

EASY
4th CBSE
IMPORTANT

Coal and petroleum take _____(millions of/ two) years to be formed.

EASY
4th CBSE
IMPORTANT

Correct the following sentence by changing the underlined word.

Resources which never get exhausted are called non-renewable resources.    

EASY
4th CBSE
IMPORTANT

Correct the following sentence by changing the underlined word.

Coal and petroleum are recyclable resources.

EASY
4th CBSE
IMPORTANT

Correct the following sentence by changing the underlined word.

Ores are the building blocks of all rocks.

EASY
4th CBSE
IMPORTANT

Correct the following sentence by changing the underlined word.

Use of bucket while bathing wastes a lot of water. 

EASY
4th CBSE
IMPORTANT

Correct the following sentence by changing the underlined word.

Plantation of trees enhances soil erosion. 

MEDIUM
4th CBSE
IMPORTANT

Match the following column A with column B.

 

Column A Column B
a.Coal and petroleum p. renewable resource
b. Gemstones q. clean source of energy
c. Solar cell r. non-renewable resources
d. Forests s. less consumption of energy
e. Compact fluorescent lamps t. minerals