CBSE Class 10 Science Practice Paper SA-II, 2016-2017: Set-I

Here you will get the CBSE Class 10 Science Practice Paper for the Summative Assessment-II, 2016-2017. The paper is composed of all fresh questions that  are quite important from exam point of view. It will also make you familiar with the latest CBSE Exam Pattern.

Updated: Nov 18, 2016 16:00 IST, India’s leading education portal, presents CBSE Class 10 Science Practice Paper for Sumamtive Assessment-II, 2016-17. This practice paper is specially prepared by the subject experts after the brief analysis of previous year question papers. The paper contains entirely fresh  questions picked from the most important topics of Science. This paper will help the students in understanding the depth with which a topic should be studied and prepare in a more effective way.

Importance of CBSE Class 10 Science Practice Paper, 2016 -2017:

This Science SA – II Practice Paper for CBSE Class 10, is set as per the latest CBSE exam pattern and aims at helping the students to prepare for the exam more effectively so as to get the desired results.

Solution for this practice paper will be out very soon. Till then, give it a try to solve the paper to check your preparation for the coming exams.

This Practice Paper will Help You:

• understand the latest examination pattern

• get aquainted to the important topics to be studied for SA – II Science Exam

Few sample questions from the Question Paper are given below: 

Q. What makes the basis of assigning the same position to the isotopes of an element in the modern periodic table?

Q. What type of signals are generated by light sensitive cells of retina to send them to the brain for obtaining the final outcome? Which part of eye transfers these signals to the brain?

Q. Suggest two approaches to conserve forests.

Q. Why are micelles formed in a soap solution?

Write the reactions involved in the following conversions.

(i) Ethane to thane   

(ii) Ethanol to ethanoic acid

(iii) Ethanol to ethane

Q. A and B are the two elements having different number of electronic shells but the same  number of valence electrons. On combining with chlorine A and B form an acid and common salt respectively. The oxide of element A is neutral and exists as a liquid at room temperature whereas the oxide of B is basic in nature. Based on the above information answer the following questions:

(i) Identify the elements A and B.

(ii) Do these elements belong to the same group of period of the periodic table. Give reason to support your answer.

(iii) Show the formation of the compound formed by the reaction of A and B with oxygen with the help of electron dot structure.

Q. What is cinematography? Name and state the phenomenon on which cinematography is based? How does this phenomenon contribute to the cinematography?

Q. On Rakhi’s birthday her mother decided to bake a cake at home. While she was making the cake Rakhi stood by her side and started observing her curiously. When her mother was adding the baking soda in the dough prepared for the cake Rakhi asked her mother if why was she adding that powder into the dough. Rakhi’s mother replying to her query told her that baking soda is added to make the cake soft and spongy.

Reading the above paragraph answer the following questions:

(i) How does Baking Soda help to make cakes and bread soft and spongy?

(ii) Write one more use of baking soda.

(iii) What values do you observe from Rekha’s behaviour?

Q. A person uses concave lens spectacles. What vision defect does he have? What could be the possible reasons causing this defect?

Draw a diagram

(i) to show the image formed by an eye suffering from vision defect.

(ii) to show the correction of this eye defect using the lens.

Q. Which of the following diagram correctly represents the myopic defect of vision?

(a) (A)                                     (b) (B)

(c) (C)                                      (d) (D)

Q. 5% alkaline potassium permanganate solution is added drop by drop in test tube containing warm ethanol. Write your observation and chemical equation of the reaction taking place.

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