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RBSE Class 8 Science Model Paper 4 English Medium

March 11, 2019 by Veer Leave a Comment

RBSE Class 8 Science Model Paper 4 English Medium are part of RBSE Class 8 Science Board Model Papers. Here we have given RBSE Class 8 Science Sample Paper 4 English Medium.

Board RBSE
Textbook SIERT, Rajasthan
Class Class 8
Subject Science
Paper Set Model Paper 4
Category RBSE Model Papers

RBSE Class 8 Science Sample Paper 4 English Medium

Time: 2.30 Hours
Maximum Marks: 80

General Instructions to the Examinees

  1. Candidates must first write their Roll Nos. on the question paper compulsorily.
  2. All the questions are compulsory.
  3. Write the answer to each question in the given answer-book only.
  4. For questions having more than one part, the answers to those parts are to be written together in continuity.
  5. Write the answers of Question Nos. 1 to 6 (multiple choice) by making a table in your answer-book.
  6. 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.

Question 1.
Which fibre is obtained by polymerization of ethylene glycol and Terephthalic acid? [1]
(A) Dacron
(B) Arlon
(C) Rayon
(D) Nylon

Question 2.
In which Gauvansh are the hybrid variety of Sahiwal, Red Shindhi and Haryana breeds [1]
(A) Rathi
(B) Malvi
(C) Kankrej
(D) Nagori

Question 3.
Which disease caused by bites of an infected female Aedes aegypti mosquito [1]
(A) Dengue
(B) Cholera
(C) Tuberculosis
(D) Chicken pox

RBSE Class 8 Science Model Paper 4 English Medium

Question 4.
An up-down motion around the mean position of an object is called [1]
(A) Vibration
(B) Amplitude
(C) Frequency
(D) Periodic time

Question 5.
How high is the artificial satellite situated from the earth’s surface? [1]
(A) 36000 km
(B) 40000 km
(C)30000 km
(D) 5000 km

Question 6.
What are public awareness program for environment conservation? [1]
(A) Creating public awareness by rallies
(B) Conducting poster, slogan competition, dramas etc.
(C) Organizing the community planting programme with public involvement
(D) All of these

Question 7.
What is irrigation? Write names of traditional sources of irrigation. [2]

Question 8.
Fill in the following blanks [2]

  1. Now a days, mostly farmers use_______ machines for cutting the crops.
  2. Large scale storage of grains is done in store houses called_______.

Question 9.
What does polymer mean? [2]

Question 10.
Write example of anyone chemical reaction. [2]

RBSE Class 8 Science Model Paper 4 English Medium

Question 11.
What is pollination? Write their means of pollination. [2]

Question 12.
How is Nylon Prepared? [4]

Question 13.
What is vegetative reproduction? Explain its importance. [4]

Question 14.
Write factors, symptoms and preventive measures of Tuberculosis. [4]

Question 15.
What do you mean by global energy crisis? What are the measures you adopt to resolve global energy crisis Describe in detail. [4]

Question 16.
Define infra-audible and ultra-audible sound. Write the uses of ultra-audible sound. [4]

RBSE Class 8 Science Model Paper 4 English Medium

Question 17.
By using the magnetic effect of electric current how we can make tester. Explain with the help of diagram. [4]

Question 18.
Comment on Internet? [4]

Question 19.
Explain Non-uniform heating of earth that causes flow of wind with diagram. [4]

Question 20.
What is domestic waste? [4]

Question 21.
Write difference between Graphite and Diamond in structure. [4]

RBSE Class 8 Science Model Paper 4 English Medium

Question 22.
Explain in brief the working and structure of human eye. [6]

Question 23.
What is Pollination? Describe its types. [6]
OR
Describe the structure of heart with the diagram.

Question 24.
What do you mean by chemical effect of electric current ? Explain the process of electroplating. [6]
OR
What do you mean by word television? Explain the working system of television. Write the names of latest technology and advanced quality television of present era.

Question 25.
Describe the types and components of environment. [6]
OR
Write your views in the following table and also discuss with other students. [Advantages of using petroleum gas as fuel and disadvantages of using petroleum gas as fuel].

RBSE Class 8 Science Model Paper 4 English Medium

We hope the given RBSE Class 8 Science Model Paper 4 English Medium will help you. If you have any query regarding RBSE Class 8 Science Sample Paper 4 English Medium, drop a comment below and we will get back to you at the earliest.

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