Subject Experts Solutions for Exercise 1: SELF-ASSESSMENT TEST

Author:Subject Experts

Subject Experts Science Solutions for Exercise - Subject Experts Solutions for Exercise 1: SELF-ASSESSMENT TEST

Attempt the free practice questions from Exercise 1: SELF-ASSESSMENT TEST with hints and solutions to strengthen your understanding. Xamidea COMPLETE COURSE SCIENCE Class X solutions are prepared by Experienced Embibe Experts.

Questions from Subject Experts Solutions for Exercise 1: SELF-ASSESSMENT TEST with Hints & Solutions

EASY
10th CBSE
IMPORTANT

List any four reasons why we need to look for alternate sources of energy.

EASY
10th CBSE
IMPORTANT

List three environmental consequences of using fossil fuels. Suggest three steps to minimise the pollution caused by various energy sources.

EASY
10th CBSE
IMPORTANT

What is biomass? What can be done to obtain bio-energy using biomass? 

EASY
10th CBSE
IMPORTANT

Nuclear power is an excellent non-conventional source of energy still it is not used commonly for power generation. Why? State three reasons.

EASY
10th CBSE
IMPORTANT

Name two energy sources that you would consider to be renewable. Give justification for your choices. Can these energy sources be pollution free? List two reasons in support of your answer. 

EASY
10th CBSE
IMPORTANT

Why is it not possible to make use of solar cells to meet all our energy needs? State at least three reasons to support your answer.

MEDIUM
10th CBSE
IMPORTANT

Name the various forms in which energy is available from the sea. For any two types give one limitation in harnessing.

EASY
10th CBSE
IMPORTANT

What are the factors that should be taken into consideration for selecting a source of energy? List any three.