CBSE Class 10 Science Question Paper 2014 Outside Delhi Set 02

CBSE Class 10 Science Question Paper 2014 Set 2 - Outside Delhi. Students can download the last year question papers using the link below. Free download of examination question papers with solutions. Last 10 year question papers should be practiced to get better marks in examinations.

SECTION A

1.Write the atomic numbers of two elements ‘X’ and ‘Y’ having electronic configurations 2, 8, 2 and 2, 8, 6 respectively.

2.What is heredity ?

3.List two items which can be easily recycled, but we generally throw them in the dust-bins.

4.‘‘The chromosomal number of the sexually producing parents and their offspring is the same.’’ Justify this statement.

5.The image formed by a concave mirror is observed to be virtual, erect and larger than the object. Where should the position of the object be relative to the mirror ? Draw ray diagram to justify your answer.

6.List two reasons to show that the existence of decomposers is essential in an ecosystem.

7.What is watershed management system ? List two benefits derived by the communities that participate in this system.

8.‘‘Energy flow in a food chain is unidirectional.’’ Justify this statement. Explain how the pesticides enter a food chain and subsequently get into our body.

9.Draw a ray diagram to show the path of the refracted ray in each of the following cases : A ray of light incident on a concave lens is

(i) passing through its optical centre.

(ii) parallel to its principal axis.

(iii) directed towards its principal focus.

Please click the link below to download pdf file of CBSE Class 10 Science Question Paper 2014 Set 2 - Outside Delhi.