important questions class 9th

All questions are compulsory

MM: 25       time: 1.00 hour           prize: 10 Rs

You can take 10 minutes for Revision

1.       Matter is:

(a)     Made up of tiny particles

(b)     Acquires space and volume

(c)     Have mass (D) All the above

2.       Which is the true statement:

(a)     Molecule is made up of atoms.

(b)     Molecules are stable in nature

( c) Atoms are indivisible particles

(D)  All the above

3.       Evaporation increases with decrease in:

 (A) Wind speed    (B) Temperature

(C)Humidity           (D) Surface area

4.       Who discovered cell:

(a)   Robert Hooke    (b)   Robert Brown

(c)    Robert Badera   (D)   Robert Joseph

5.        Mitochondria is also called as

(a)     power house of cell

(b)     Kitchen of Plant cell

(c)     Controlling centre of cell

(d)     None of the above

One word/ one line Answers:

6.       Who proposed the cell theory______

7.       Displacement is always smaller then or equal to

8.       Acceleration can be negative called as

9.       Smallest cell of the nature is _

10.    Unit of Acceleration is ___

11.    Average speed is the ratio of ______

12.    When an object moves in a circle its total displacement is given by____________

13.    Intermolecular distance is maximum in _

14.    Intermolecular force is maximum in___

Write in 50 words:

1.       Describe two organelles of cell with their detailed function

2.       Describe how octet rule is used to explain molecule formation.

3.       Differentiate between distance and displacement.

All questions are compulsory

MM: 25       time:1.00 hour           prize :10 Rs

You can take 10 minutes for Revision

1.       Matter is:

(d)     Made up of tiny particles

(e)     Acquires space and volume

(f)      Have mass (D) All the above

2.       Which is the true statement:

(c)     Molecule is made up of atoms.

(d)     Molecules are stable in nature

( c) Atoms are indivisible particles

(D)  All the above

3.       Evaporation increases with decrease in:

 (A) Wind speed    (B) Temperature

(C)Humidity           (D) Surface area

4.       Who discovered cell:

(a)   Robert Hooke    (b)   Robert Brown

(c)    Robert Badera   (D)   Robert Joseph

5.        Mitochondria is also called as

(e)     power house of cell

(f)      Kitchen of Plant cell

(g)     Controlling centre of cell

(h)     None of the above

One word/ one line Answers:

6.       Who proposed the cell theory______

7.       Displacement is always smaller then or equal to

8.       Acceleration can be negative called as

9.       Smallest cell of the nature is _

10.    Unit of Acceleration is ___

11.    Average speed is the ratio of ______

12.    When an object moves in a circle its total displacement is given by____________

13.    Intermolecular distance is maximum in _

14.    Intermolecular force is maximum in___

Write in 50 words:

15.    Describe two organelles of cell with their detailed function

16.    Describe how octet rule is used to explain molecule formation.

17.    Differentiate between distance and displacement.