Question

PHYSICS
Tivo Marks Question
1. Define: a) centre of curvature b) Principle axis
Three Marks Question
2. A 2.5 cm candle is placed 12 cm away from a convex mirror of focal length 30 cm. Give the location of
the image and the magnification.
Five Marks Question
3. i) Draw ray diagrams to show the image formation by concave mirror, when object is placed
a) at focus
b) between pole and focus
(2)
ii) Write any four uses of spherical mirrors.
(3)
CHEMISTRY
(1x3=3)
Multiple Choice Questions:-
1. From left to right in a period the basic nature of the oxides of elements
a) decreases
b) increases
c) does not change
d) changes irregularly
2. Mendeleev's periodic table was based on
a) Atomic No.
b) Atomic mass
c) Valency
d) Metallic character
3. The vertical arrangement of the elements is called
a) period
b) group
c) density
Two Marks Questions
4. State Dobereiner triads
5. Write the drawbacks of Mendeleev's periodic table.
Three Marks Question
6. Define Atomic Size. How it varies along the groups and periods?
d) valency
(2x2=4
(3x1=
BIOLOGY
Multiple Choice Questions:-
(1x2
1. Bile is secreted by:
a) Pancreas
b) Gastric gland
c) Stomach
d) Liver
2. The structure which prevents the entry of food into respiratory tract is:
a) Larynx
b) Glottis
c) Pharynx
d) Epiglotti
Three Marks Question
(3)
3. What are the different ways in which glucose is oxidized to provide energy in various organisms
(5
4. Explain different parts of alimentary canal with the help of well labelled diagram.
Five Marks Question​

Answer 1

Answer:

hi

Explanation:

Good evening

How are you?

Answer 2

Answer:

Hi

Explanation:

Good Afternoon

How are you?