AJANTA PUBLIC SCHOOL
CLASS-X
SCIENCE
PEERIODIC TEST - II
MM:10 MCQ +40
TIME 2 HOURS
SECTION A (THREE MARKS EACH)
1.
You might have noted when copper powder is heated in china dish, the
reddish brown surface of copper is coated with black substance
1. Name the black substance
2. State the type of reaction
How can the black coating be turned reddish brown
2
a) State the roles of liver and pancreas
b) Name the organ which performs the following functions in human
1.
Absorption of digested food.
IL
Absorption of water.
3.
Wnte one example of each
a) A nonmetal which is the hardest substance
b) A metal which is liquid room temperature.
c) A metal which is best conductor of heat.
4
If the image formed by a mirror for all position of objects placed in front of
it is always diminished, erect and virtual.
a) Name the type of mirror
Write one use of such mirrors are put to and why
5.
List the sign convention for reflection of light by spherical mirrors. Give the
relation in mirror with respect to object distance, image distance and focal
Answers
Answer:
CLASS-X
SCIENCE
PEERIODIC TEST - II
MM:10 MCQ +40
TIME 2 HOURS
SECTION A (THREE MARKS EACH)
1.
You might have noted when copper powder is heated in china dish, the
reddish brown surface of copper is coated with black substance
1. Name the black substance
2. State the type of reaction
How can the black coating be turned reddish brown
2
a) State the roles of liver and pancreas
b) Name the organ which performs the following functions in human
1.
Absorption of digested food.
IL
Absorption of water.
3.
Wnte one example of each
a) A nonmetal which is the hardest substance
b) A metal which is liquid room temperature.
c) A metal which is best conductor of heat.
4
If the image formed by a mirror for all position of objects placed in front of
it is always diminished, erect and virtual.
a) Name the type of mirror
Write one use of such mirrors are put to and why
5.
List the sign convention for reflection of light by spherical mirrors. Give the
relation in mirror with respect to object distance, image distance and focalCLASS-X
SCIENCE
PEERIODIC TEST - II
MM:10 MCQ +40
TIME 2 HOURS
SECTION A (THREE MARKS EACH)
1.
You might have noted when copper powder is heated in china dish, the
reddish brown surface of copper is coated with black substance
1. Name the black substance
2. State the type of reaction
How can the black coating be turned reddish brown
2
a) State the roles of liver and pancreas
b) Name the organ which performs the following functions in human
1.
Absorption of digested food.
IL
Absorption of water.
3.
Wnte one example of each
a) A nonmetal which is the hardest substance
b) A metal which is liquid room temperature.
c) A metal which is best conductor of heat.
4
If the image formed by a mirror for all position of objects placed in front of
it is always diminished, erect and virtual.
a) Name the type of mirror
Write one use of such mirrors are put to and why
5.
List the sign convention for reflection of light by spherical mirrors. Give the
relation in mirror with respect to object distance, image distance and focalCLASS-X
SCIENCE
PEERIODIC TEST - II
MM:10 MCQ +40
TIME 2 HOURS
SECTION A (THREE MARKS EACH)
1.
You might have noted when copper powder is heated in china dish, the
reddish brown surface of copper is coated with black substance
1. Name the black substance
2. State the type of reaction
How can the black coating be turned reddish brown
2
a) State the roles of liver and pancreas
b) Name the organ which performs the following functions in human
1.
Absorption of digested food.
IL
Absorption of water.
3.
Wnte one example of each
a) A nonmetal which is the hardest substance
b) A metal which is liquid room temperature.
c) A metal which is best conductor of heat.
4
If the image formed by a mirror for all position of objects placed in front of
it is always diminished, erect and virtual.
a) Name the type of mirror
Write one use of such mirrors are put to and why
5.
List the sign convention for reflection of light by spherical mirrors. Give the
relation in mirror with respect to object distance, image distance and focalCLASS-X
SCIENCE
PEERIODIC TEST - II
MM:10 MCQ +40
TIME 2 HOURS
SECTION A (THREE MARKS EACH)
1.
You might have noted when copper powder is heated in china dish, the
reddish brown surface of copper is coated with black substance
1. Name the black substance
2. State the type of reaction
How can the black coating be turned reddish brown
2
a) State the roles of liver and pancreas
b) Name the organ which performs the following functions in human
1.
Absorption of digested food.
IL
Absorption of water.
3.
Wnte one example of each
a) A nonmetal which is the hardest substance
b) A metal which is liquid room temperature.
c) A metal which is best conductor of heat.
4
If the image formed by a mirror for all position of objects placed in front of
it is always diminished, erect and virtual.
a) Name the type of mirror
Write one use of such mirrors are put to and why
5.
List the sign convention for reflection of light by spherical mirrors. Give the
relation in mirror with respect to object distance, image distance and focalCLASS-X
SCIENCE
PEERIODIC TEST - II
MM:10 MCQ +40
TIME 2 HOURS
SECTION A (THREE MARKS EACH)
1.
You might have noted when copper powder is heated in china dish, the
reddish brown surface of copper is coated with black substance
1. Name the black substance
2. State the type of reaction
How can the black coating be turned reddish brown
2
a) State the roles of liver and pancreas
b) Name the organ which performs the following functions in human
1.
Absorption of digested food.
IL
Absorption of water.
3.
Wnte one example of each
a) A nonmetal which is the hardest substance
b) A metal which is liquid room temperature.
c) A metal which is best conductor of heat.
4
If the image formed by a mirror for all position of objects placed in front of
it is always diminished, erect and virtual.
a) Name the type of mirror
Write one use of such mirrors are put to and why
5.
List the sign convention for reflection of light by spherical mirrors. Giv