Chapter 16 Floatation TEXT BOOK QUESTIONS Question 1. Why is it difficult to hold a school bag having a strap made of a thin and strong string ? Answer: It is painful to hold a heavy bag having strap made of a strong and thin string. When we hold a heavy bag...
Chapter 15 Improvement in Food Resources TEXT BOOK QUESTIONS Question 1. What do we get from cereals, pulses, fruits and vegetables ? Answer: Cereals: Mostly carbohydrates Pulses: Mostly proteins Fruits: Vitamins, minerals, organic acids. Vegetables: Vitamins,...
Chapter 14 Natural Resources TEXT BOOK QUESTIONS Question 1. How is our atmosphere different from the atmosphere of Venus and Mars ? Answer: Atmosphere over Earth Atmosphere over Venus and Mars 1. Nitrogen and Oxygen. It contains nitrogen and oxygen. The two are...
Chapter 13 Why Do we Fall Ill TEXT BOOK QUESTIONS Question 1. State any two conditions essential for good health. Complete physical fitness free from any disease. Perfect mental (and social) well being. Answer: State any two conditions essential for being free of...
