RBSE Class 8 Science Board Paper 2018 English Medium are part of RBSE Class 8 Science Board Model Papers. Here we have given Rajasthan RBSE Class 8 Science Board Paper 2018 English Medium.
|Paper Set||Board Paper 2018|
|Category||RBSE Model Papers|
Rajasthan RBSE Class 8 Science Board Paper 2018 English Medium
Time: 2.30 Hours
Maximum Marks: 80
General Instructions to the Examinees
- Candidates must first write their Roll Nos. on the question paper compulsorily.
- All the questions are compulsory.
- Write the answer to each question in the given answer-book only.
- For questions having more than one part, the answers to those parts are to be written together in continuity.
- Write the answers of Question Nos. 1 to 6 (multiple choice) by making a table in your answer-book.
- If there is any error/difference/contradiction in Hindi and English versions of the question paper, the question of Hindi version should be treated valid.
Sodium metal is highly reactive. To prevent its contact from air, in which solution it is stored? 
(a) In Water
(b) In Kerosene
(c) In Petrol
(d) In Glycerine
Diploid zygote is formed by the fusion of male and female gamete. This process is called 
World AIDS Day is celebrated on 
(a) 28 February
(b) 5 June
(c) 11 July
(d) 1 December
In which medium the speed of sound is highest 
(a) In liquid
(b) In vacuum
(c) In solid
(d) In gas
Which of following is used to extract pieces of magnetic material fallen into eye accidentally. 
(a) Electric magnet
(b) Electric cell
Which air pollutant is used in refrigerators and air conditioners. 
(b) Chlorofluro carbon
(d) Carbon dioxide
Write the type of crops on the basis of season. 
Write any four examples of traditional sources of irrigation. 
Write any two differences between metal and non-metal. 
Write any two causes of deforestation. 
Draw a diagram of a useful thing made by you from waste small pieces of clothes and waste wollen threads. 
Write any four uses of plastics. 
Write any four methods of prevention from worm infection. 
A sitar takes 2 seconds to complete 300 oscillations then calculate its frequency. 
Separate the following examples according to potential and kinetic energy. 
Write the uses of following modes of communications. 
Why do we use fuse wire in electric circuit? 
Write any four safety measures of thunderstorm. 
CNG should be used in vehicles, write any such four measures for air pollution control. 
What do you mean by Clean India Campaign? Why should we follow traffic rules? Write any two reasons. 
Sonu facing weakness and whiteness of face, he suffers from which disease and what should he eat to prevent the disease? 
The sun light is made up of seven colours due to which it is seen white. Do you agree with this statement? Explain on the basis of passing of white light through the prism. 
In blood transfusion process match the blood groups of donor and recipient by and write the significance of blood donation. 
|Donor blood group||Blood group of receiver|
Separate and list out the fruits given below into simple fruit, aggregate fruit and composite fruit. Write two examples of parthenocarpy.
Differentiate between geo-stationary satellite and polar satellite on the basis of orbit motion, distance from earth and its uses. 
Make a list of possible cyber crimes by taking into consideration of human future and make outline for its safety measures.
Draw a diagram of various levels of environment protection and explain the Indian perspective for conservation of environment. 
Draw a labelled diagram of crystalline allotropes of carbon (diamond an graphite) and write its two uses also.
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