NCERT Class 10 Science Sample Paper

CBSE Class 10 Science Sample Paper Set M

SECTION-A

1. Name the element which has twice as many electrons in its second shell as in its first shell. Write its electronic configuration also. 

2. Give common name of the plant on which Mendel performed his experiments.  

 


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CBSE Class 10 Science Sample Paper Set L

Section-A

Q.1 List the three phenomenon of light responsible for formation of rainbow in the sky.

Q.2 Why is DNA copying an essential part of the process of reproduction?

Q.3 List any two common methods by which solid wastes of urban areas are disposed off.

Q.4 Why do we see stars twinkling whereas, where as planets do not twinkle?

Q.5 (i) What is meant by 'power of accommodation of the eye‘?

 


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CBSE Class 10 Science Sample Paper Set K

SECTION – A

1. Identify the compound which is oxidized in the following reaction:

H2S + Br2 -> 2HBr + S

2. Why are titanium and chromium classified as strategic element?

3. Which has a higher resistance: a 50W lamp or 25W lamp bulb and how many times?

4. A drop of litmus solution is added to each of the four solutions give below. State the colour of litmus solution observed in each.

 


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