MEDIUM
9th CBSE
IMPORTANT
Earn 100

In desert plants have thick waxy epidermis. Why?

Important Questions on Periodic Tests

MEDIUM
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 16 - Periodic Tests>Pre-Mid Term Tests>Q 8
A bullet of mass 20 g is fired from a pistol of mass 2 kg with a horizontal velocity of 150 m/s. Calculate the recoil velocity of the pistol.
EASY
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 16 - Periodic Tests>Pre-Mid Term Tests>Q 9
Distinguish between physical and chemical changes in a tabular form with giving examples.
EASY
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 16 - Periodic Tests>Mid Term Tests>Q 1
A man is standing on a boat in still water. If he walks towards the shore the boat will :
EASY
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 16 - Periodic Tests>Mid Term Tests>Q 2
Which of the following molecule is octa-atomic?
MEDIUM
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 16 - Periodic Tests>Mid Term Tests>Q 3
Which of the following organelles is called as 'factory of ribosomes'?
EASY
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 16 - Periodic Tests>Mid Term Tests>Q 4
What is the rate at which energy is transformed to other form called?
EASY
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 16 - Periodic Tests>Mid Term Tests>Q 5
Give one example of two miscible liquids, where distillation can be used for separating them.
HARD
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 16 - Periodic Tests>Mid Term Tests>Q 6
Why does intake of penicillin not affect human cells?