Question

1:- A Identify the type of tooth indicated by the alphabet A, B and C by observing the figure

given below.

(03)

B Answer correctly. (03)

1) Which animal gives natural fibers?

2) Thin and expensive fiber which are popular as Kashmiri is obtained from which

animal?

3) Which fiber are soft, shiny and flexible?

Q:- 2 Do as directed (05)

(1) Match the following.

A B

1. Digestion of starch A. Organic substances

2. Absorption of water B. Small intestine

3. Dead components in the soil C. Large intestine

4. A-level D. Habitat of ant, rat and other such

living organisms

5. B-level E. mouth

F. Presence of more mineral elements

(2) Distinguish the following. (04)

1) Laboratory thermometer and Clinical thermometer. 2) Acid and Base.

Q:- 3 Classify the following into chemical changes and physical changes. (06)

 Are not usually reversible.

 One or more new objects are formed.

 No sound or gas is produced.

 The shape or dimension of the object changes.

 New smell is not produced.

 Heat or radiation is produce.​

Answer 1

Explanation:

Identify the type of tooth indicated by the alphabet A, B and C by observing the figure