Download 6404 - Allama Iqbal Open University

ALLAMA IQBAL OPEN UNIVERSITY, ISLAMABAD
(Department of Science Education)
WARNING
1.
2.
PLAGIARISM OR HIRING OF GHOST WRITER(S) FOR SOLVING
THE ASSIGNMENT(S) WILL DEBAR THE STUDENT FROM AWARD
OF DEGREE/CERTIFICATE, IF FOUND AT ANY STAGE.
SUBMITTING ASSIGNMENT(S) BORROWED OR STOLEN FROM
OTHER(S) AS ONE’S OWN WILL BE PENALIZED AS DEFINED IN
“AIOU PLAGIARISM POLICY”.
Course: General Science (6404)
Level: ADE/B.Ed -04 Years
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Semester: Autumn, 2016
Total Marks: 100
Pass Marks: 50
Response to each question should not be less than 1200 words.
Write answer in your own words after reading the textbook/ materials.
Avoid irrelevant information, reproduction from any text and give a critical
analysis of the question asked for.
Write your assignment in legible handwriting.
Give source in case of quoting any material.
Submit the assignment on or before specified date.
Late assignment will not be accepted in any case.
Assignment No.1
(Unit 1-5)
Q.1
Q.2
Q.3
Q.4
Q.5
How science has been into different branches? Discuss different branches of
science.
(20)
What is Kinetic Molecular theory? How is it helpful for determining the
properties of matter?
(20)
a)
If the earth weight was as twice as massive but remained the same size,
the value of “g” will be double, because double the mass of earth, the force, of
gravitation will be double. So as the value of “g”.
(10+10)
b)
The moon and the earth are attracted to each other by the gravitational
force. The massive earth attracts the moon with a greater force than the
moon attracts the earth, because the greater mass produces more
attraction
a)
Consider a tug of war in which two teams pulling on a rope are
eventually matched. So that no motion takes place. Is work done on the rope?
b)
In most situations the friction force reduces the kinetic energy. However,
frictional force can sometime increase the kinetic energy. Describe a few
situations in which friction causes an increase in kinetic energy.
(10+10)
a)
Describe in detail the characteristics of sound.
b)
Explain the functioning of human ear in detail.
(10+10)
Assignment No.2
(Unit 6-9)
Total Marks: 100
Pass Marks: 50
Q.1
Q.2
Q.3
Q.4
Q.5
a)
In the diagram of a parallel circuit, below, suppose R1 and R2 were
light bulbs. If the light bulb at R2 burned out, what would happen to the
brightness of the light bulb at R1?
(05)
b)
Two resistors, 2.0 ohm and 3.0 ohm, are connected in parallel with
a 12 V battery. Calculate: (a) the effective resistance of the circuit; (b) the
current leaving the battery; (c) the current thought each resistor; (d) the
voltage drop across each resistor.
(15)
(a)
An electric heater consumes 15 Amp from a 120 volt source. It is
operated on the average of 5 hours per day.
(10+10)
a)
How much power does the heater use?
b)
How much energy in KWh does it consume in 30 days?
(b)
What is a transformer? Describe in detail its structure, types and
functioning.
(a)
Write the names of groups of non-flowering plants.
(b)
Write a note on characteristics of flowering plants, give some
examples.
(10+10)
(a)
Keeping in view the role of blood and respiratory system, can you
explain how the two systems are related?
(10+10)
(b)
What is the name of membrane which keeps the lungs’ surface
moist and save them from friction against chest box?
Describe in detail cycles of ecosystem.
(20)