Subject Experts Solutions for Exercise 1: Let Us Solve
Subject Experts Science Solutions for Exercise - Subject Experts Solutions for Exercise 1: Let Us Solve
Attempt the free practice questions from Exercise 1: Let Us Solve with hints and solutions to strengthen your understanding. Frank PRIMARY SCIENCE. solutions are prepared by Experienced Embibe Experts.
Questions from Subject Experts Solutions for Exercise 1: Let Us Solve with Hints & Solutions
Write a short note on any two kinds of pollution. State their causes, harmful effects and any control measures that you know of.

Fill in the blank with the correct option from the bracket:
The earth on which we live may be considered as a vast _____. (abiotic system/ ecosystem)

Fill in the blanks with the correct option from the brackets:
The _____ revolution has made man's life more comfortable but it has been at the cost of the environment. (Industrial/ Green)

Fill in the blanks with the correct option from the brackets:
_____ poisoning causes black patches on the skin. (Mercury/ Arsenic)

Fill in the blank with the correct option from the brackets:
The safe intensity level of sound as prescribed by the WHO is below _____ decibels. (95/ 70)

Divide the following list of items into two groups as given below according to the purpose for which they are suitable.
Eggshells, plastic bag, glass bottle, newspaper, fruit peels, rotten vegetables, left-over food, old magazine, waste cloth, tea leaves.
Can be recycled | Suitable for the compost pit |

Mention one way in which you could reuse paper plate.

Mention one way in which you could reuse plastic glass.
