MEDIUM
9th CBSE
IMPORTANT
Earn 100

A circular track has a circumference of 3140 m with AB as one of its diameter. A scooterist moves from A to B along the circular path with a uniform speed of 10 m/s. Find

(a) distance covered by the scooterist,

(b) displacement of scooterist, and

(c) time taken by the scooterist in reaching from A to B.

Important Questions on Practice Paper 5

MEDIUM
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 20 - Practice Paper 5>5; PRACTICE PAPER>Q 26
Navin travels along a straight road 500 m long and returns back 100 m. Find his average speed and average velocity if he takes a time of half an hour.
MEDIUM
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 20 - Practice Paper 5>5; PRACTICE PAPER>Q 26
The brake applied to a car produce an acceleration of 6 ms-2 in opposite direction to the motion. If the car takes 2 s to stop after the application of brakes, calculate the distance it travels during this time.
MEDIUM
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 20 - Practice Paper 5>5; PRACTICE PAPER>Q 27
What is the difference between plasma membrane and cell wall? Give the functions of each one.
EASY
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 20 - Practice Paper 5>5; PRACTICE PAPER>Q 28
How are Phanerogamae divided into sub-divisions?
MEDIUM
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 20 - Practice Paper 5>5; PRACTICE PAPER>Q 29

Which disease is the leading cause of infant mortality? What is its main cause?

MEDIUM
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 20 - Practice Paper 5>5; PRACTICE PAPER>Q 29
Name the diseases that can be prevented by DPT immunisation.
MEDIUM
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 20 - Practice Paper 5>5; PRACTICE PAPER>Q 29
In what way does breast-feeding of infants protects them from infectious diseases?
MEDIUM
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 20 - Practice Paper 5>5; PRACTICE PAPER>Q 30
What is soil erosion? Give two methods of reducing it.