IX SCIENCE | ONE MARK TEST | QUARTERLY EXAM PORTION

Farooq Academy

Class IX Science - Online Slip Test

Portion: Physics (1-3), Chemistry (10-12), Biology (17-19)

Part I: Physics

1. Choose the correct one:

a) mm < cm < m < km
b) mm > cm > m > km
c) km < m < cm < mm
d) mm > m > cm > km

2. Rulers, measuring tapes and metre scales are used to measure:

a) mass
b) weight
c) time
d) length

3. The area under velocity – time graph represents the:

a) velocity of the moving object
b) displacement covered by the moving object
c) speed of the moving object
d) acceleration of the moving object

4. Which one of the following is most likely not a case of uniform circular motion?

a) Motion of the Earth around the Sun
b) Motion of a toy train on a circular track
c) Motion of a racing car on a circular track
d) Motion of hours' hand on the dial of a clock

5. Clouds float in atmosphere because of their low:

a) density
b) pressure
c) velocity
d) mass

Part II: Chemistry

6. The separation of denser particles from lighter particles done by rotation at high speed is called:

a) Centrifugation
b) Fractional distillation
c) Decantation
d) Solvent extraction

7. Among the following _______ is a mixture.

a) Common Salt
b) Juice
c) Carbon dioxide
d) Pure Silver

8. The subatomic particle which revolves around the nucleus is:

a) Atom
b) Neutron
c) Electron
d) Proton

9. If Dobereiner is related with 'law of triads', then Newlands is related with:

a) Modern periodic law
b) Hund's rule
c) Law of octaves
d) Pauli's Exclusion Principle

10. Modern periodic law states that the physical and chemical properties of elements are the periodic functions of their:

a) atomic numbers
b) atomic masses
c) similarities
d) anomalies

Part III: Biology

11. Find the group having only marine members:

a) Mollusca
b) Porifera
c) Coelenterata
d) Echinodermata

12. Mesoglea is present in _______

a) Porifera
b) Coelenterata
c) Annelida
d) Arthropoda

13. The tissue composed of living, thin walled, polyhedral cells is:

a) Parenchyma
b) Collenchyma
c) Sclerenchyma
d) None of the above

14. The tropic movement that helps the climbing vines to find a suitable support is:

a) Phototropism
b) Geotropism
c) Thigmotropism
d) Chemotropism

15. The chemical reaction that occurs during photosynthesis is:

a) CO₂ is reduced and water is oxidized
b) water is reduced and CO₂ is oxidized
c) both CO₂ and water are oxidized
d) both CO₂ and water are reduced