CBSE Class 10 Science Question Paper 2019 Set 08 Solved

CBSE Class 10 Science Question Paper Solved 2019 Set H. Students can download the last year board exams question papers using the link below. Free download of examination question papers with solutions. Last 10 year question papers should be practised to get better marks in examinations.

SECTION A

1. When do we say that the potential difference between two points of a circuit is 1 volt ?

2. Write various steps of a terrestrial food chain of four trophic levels.

SECTION B

3. Show the formation of magnesium oxide by the transfer of electrons.

4. What is insulin ? Why are some patients of diabetes treated by giving injections of insulin ?

OR

How is the movement of leaves of the sensitive plants different from the movement of a shoot towards light ?

5. A glass prism is able to produce a spectrum when white light passes through it but a rectangular block of same transparent glass does not produce any spectrum. Why ?

SECTION C

6. Explain the ways in which glucose is broken down in absence or shortage of oxygen.

7. List four functions of the human heart. Why is double circulation necessary in the human body ?

8. (a) Name the part of human brain which controls (i) voluntary actions, and (ii) involuntary actions.

(b) Write the function of peripheral nervous system. Name the components of this system stating their origin. 

Please click the link below to download pdf file of CBSE Class 10 Science Question Paper Solved 2019 Set H.