Question

Question/Answers
Q 1 Name the parts which helps in
physical and chemical digestion ?
Q2 What are ruminents?how they are able to digest cellulose?
Q3 Why cannot animals make food from carbon dioxide,water,chlorophyll?
Q4 Why should we not eat food in hurry?
Q5 Explain the process of shearing and name the tool used so?
Q6 Why a clinical thermometer should not washed in hot water?
Q7 Define acids with two examples?
Q8 Formation of cloud is physical change explain?
Q9 How does excretion takes place in plants?
Q10 Give the characterstics of images formed by concave and convex lens?
Q11 Explain the soil profile with the help of diagram?
Q12 Why selective breathing is done in sheep?

Answer 1

Ans7- acid change the blue litmus to red and it produce H^+ions
example - hydrochloric acid (HCL)
Sulphuric acid