Page 215 - Science Class 08

Model Test Paper-2

(Based on Chapters-11 to 21)

A. Tick ( ) the correct op on.3
1. At what age adolescence generally begins?

(a) 5 years (b) 20 years
(c) 11 years (d) 13 years

2. Which of the following is not a contact force?
(a) Muscular force (b) Mechanical force

(c) Fric onal force (d) Gravita onal force
3. Audibility of a sound depends mainly on its:
(a) loudness (b) pitch

(c) source (d) noise
4. Sound travels in the form of:

(a) currents (b) waves
(c) sudden leaps (d) air

5. A posi vely charged object is one which has less number of electrons than _____ protons.
(a) less (b) more

(c) equal (d) none of these
6. Which of the following is not a conductor?
(a) Silver (b) Plas c

(c) Iron (d) Gold
7. The electrode connected to the posi ve terminal of ba ery is:

(a) cathode (b) anode
(c) ca on (d) ion
8. A er passing through a prism, white light splits into:

(a) nine colours (b) seven colours
(c) two colours (d) three colours

9. The distance between the op cal centre and the focus is called:
(a) focal length (b) converging length

(c) incident ray (d) emergent ray
10. How many moons does Saturn have?

(a) 2 (b) 18
(c) 22 (d) 32

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