MEDIUM
9th CBSE
IMPORTANT
Earn 100

How can amphibians breathe both on land as well as in water?

Important Questions on Periodic Tests

MEDIUM
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 16 - Periodic Tests>SAMPLE QUESTION PAPER>Q 23
Why is a whale placed in class Mammalia and not in Pisces?
MEDIUM
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 16 - Periodic Tests>SAMPLE QUESTION PAPER>Q 23
Write three convections to the followed while writing the scientific names of the organisms. Write the scientific name of a tiger.
MEDIUM
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 16 - Periodic Tests>SAMPLE QUESTION PAPER>Q 24
Two bodies of masses is 6 kg and 24 kg are placed at a distance 12 m. A third body of mass 2 kg is to be placed at such a point that the force acting on this body is zero. Find the position of that point.
MEDIUM
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 16 - Periodic Tests>SAMPLE QUESTION PAPER>Q 25

Given below are the properties of particles of gases:

The movement of particles (kinetic energy particles) is maximum in gases. Explain.

MEDIUM
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 16 - Periodic Tests>SAMPLE QUESTION PAPER>Q 25

The intermolecular forces of attraction between the particles are negligible in gases. Why?

MEDIUM
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 16 - Periodic Tests>SAMPLE QUESTION PAPER>Q 25

Given below are the properties of particles of gases:

Gases show the property of diffusion very fast with other gases due to high speed of particles and large space between them.

MEDIUM
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 16 - Periodic Tests>SAMPLE QUESTION PAPER>Q 26
Why is it so that we prefer going near lake, during summer?
MEDIUM
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 16 - Periodic Tests>SAMPLE QUESTION PAPER>Q 26
Why we can't find lichens in Delhi?