MEDIUM
9th CBSE
IMPORTANT
Earn 100

What factors may be responsible for losses of grains during storage?

Important Questions on Model Test Paper (As Per the Latest Marking Scheme)

MEDIUM
9th CBSE
IMPORTANT

Match the contents of column I and II

Column I Column II
1. Photosynthetic tissue a. Transport
2. Epithelial tissue b. Protection
3. Connective tissue c. Message
4. Blood tissue  d. Feeding
5. Nervous tissue  e. Strength
6. Collenchyma   f. Division
7. Bone     g. Flexibility
8. Meristem   h. Calcium and phosphorus
MEDIUM
9th CBSE
IMPORTANT
Define the term 'latent heat of fusion' of a solid. How much is the latent heat fusion of ice?
HARD
9th CBSE
IMPORTANT
Draw a labelled diagram of the experimental set-up to study the latent heat of fusion of ice.
EASY
9th CBSE
IMPORTANT
What are valence electrons? Where are valence electrons situated in an atom?
EASY
9th CBSE
IMPORTANT
What is the number of valence electrons in the atoms of an element having atomic number 13? Name the valence shell of this atom.