CBSE Class 7 Science Question Paper SA 2 2012

CBSE Class 7 Science Question Paper SA 2 2012. Revision worksheets, Sample papers, Question banks and easy to learn study notes for all classes and subjects based on CBSE and CCE guidelines. Students and parents can download free a collection of all study material issued by various best schools in India. The study material has been carefully compiled by the best teachers in India. The students should practice the questions database to get better marks in examination. Please refer to other links for free download of high quality study material. Based on CBSE and CCE guidelines. Based on the same pattern as released by CBSE every year. Study material for final/ term/ SA1/ SA2 Examinations conducted by various schools affiliated to Central Board of Secondary Education (CBSE) in India and abroad. CBSE Study material has been compiled to help students preparation which will helps the students to concentrate more in areas which carry more marks.

SECOND SUMMATIVE ASSESSMENT : 2011-12

Subject : SCIENCE

Time : 2½ hrs. Class : VIIth

Very short Answer Questions :- 

Q.1 What is an odometer ?

Q.2 Name the material used for making -

      (a) Heating element of an electric heater.

      (b) filament of an electric bulb.

Q.3 When is the 'world water day' celebrated ?

Short Answer Question :- 

Q.4 Which part of the heart :-

    (a) receive blood from the lungs.

    (b) pumps blood to the lungs.

    (c) pumps blood into the body organs (except lungs)

    (d) receive blood from the body parts (except lungs)

Q.5 What is polination ? Name the two types of pollination.

Q.6 Define speed. Write the formula for calculating speed.

Q.7 What is an electromagnet ? Write the Definition.

Long Answer Questions :-

Q.8 Explain the exchange of gases in the alveolus. 

Q.9 (a) Draw the labelled diagram of human excreatory system. 

      (b) Name two types of vascular tissue present in the plant. 

Q.10 What are the components of blood and their functions ? 

Q.11 How do animals help in the dispersal of seeds and fruits ? 

Q.12 A car takes one hour to cover a distance of 36 km. Calculate its speed in km/h and m/s. 

Q.13 Write the difference between uniform and nonuniform motion (any three). 

Q.14 (a) Draw a diagram of electric circuit consisting of 2 cell in a series with a electric switch in on position, electric bulb and resistance. Show the direction of flow of current. 

        (b) How wastage of electricity reduced by CFL. 

Q.15 What are the characterstics of the image formed by a plane mirror explain with diagram. 

Q.16 With the help of ray diagram define following :- 

        (a) focus of a convex lens.

        (b) optical centre of a convex lens.

        (c) focal length of a convex lens.


Please refer to attached file for CBSE Class 7 Science Question Paper SA 2 2012

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