Science 2006 CBSE [ Delhi ] Set I
To Access the full content, Please Purchase
-
Q1
What constitutes the field of a magnet? Marks:1View AnswerAnswer:
The region around the magnet in which the force of the magnet can be detected is called the field of the magnet. -
Q2
What is the advantage of the third wire of earth connection in domestic electric appliances? Marks:1View AnswerAnswer:
The third wire of earth connection in domestic electric appliances is used as a safety measure to prevent the user from getting shock in case of leakage of current. -
Q3
Name the process of large energy production in the Sun. Marks:1View AnswerAnswer:
Nuclear fusion -
Q4
What is the purpose of quenching steel?Out of syllabus. Marks:1View AnswerAnswer:
Out of syllabus. -
Q5
What is breathing? Marks:1View AnswerAnswer:
The process of taking in of air (oxygen) into the lungs and giving out air (carbon dioxide) from the lungs is called breathing. -
Q6
Name the type of blood vessels which carry blood from organs to the heart. Marks:1View AnswerAnswer:
Veins carry blood from organs to the heart. -
Q7
Complete the following nuclear reaction equations: 
Out of syllabus.
Marks:2View AnswerAnswer:
Out of syllabus. -
Q8
What is efflorescence? Give an example. Marks:2View AnswerAnswer:
Out of syllabus. -
Q9
Draw a ray diagram to show the
i. position and
ii. nature of the image formed when an object is placed between focus F and pole P of a concave mirror. Marks:2View AnswerAnswer:
The image formed is erect, virtual and enlarged. -
Q10
Give one example of each and state the role of (i) a moderator and (ii) a coolant in a nuclear reactor. Marks:2View AnswerAnswer:
Out of syllabus.
