RBSE Class 8 Science Model Paper 3 English Medium

RBSE Class 8 Science Model Paper 3 English Medium are part of RBSE Class 8 Science Board Model Papers. Here we have given RBSE Class 8 Science Sample Paper 3 English Medium.

Board	RBSE
Textbook	SIERT, Rajasthan
Class	Class 8
Subject	Science
Paper Set	Model Paper 3
Category	RBSE Model Papers

RBSE Class 8 Science Sample Paper 3 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.
When zinc granules are mixed with dilute HCL, the gas evolved is [1]
(A) O₂ (Oxygen)
(B) CO₂ (Carbon dioxide)
(C) H₂ (Hydrogen)
(D) SO₂ (Sulphur dioxide)

Question 2.
Which vegetative part of a plant developed by vegetative reproduction [1]
(A) Leaf
(B) Stem
(C) Root
(D) All of these

Question 3.
Preventions of AIDS are [1]
(A) While shaving make it confirm that every time a new blade is used
(B) HIV test before blood transfusion
(C) Living a controlled lifestyle
(D) All of the above

Question 4.
Sound having frequency 20 Hertz to 20,000 hertz is called as [1]
(A) Ultra audible sound
(B) Infra audible sound
(C) Audible sound
(D) None of these

Question 5.
When did the first Indian satellite was launched? [1]
(A) 19 April, 1975
(B) 18 March. 1972
(C) 11 August, 1974
(D) 19 June, 1980

Question 6.
How many types of coal is found on the basis of carbon content in it? [1]
(A) Peat
(B) Lignite
(C) Bituminous
(D) All of these

Question 7.
What is Harvesting and threshing of crops? [2]

Question 8.
Write True/False for following statements [2]

1. Natural manure is better in increasing fertility of soil.
2. Irrigation is the process by which the water requirement of plant is fulfilled by time to time using artificial means.

Question 9.
What are man-made fibres? Write any two examples. [2]

Question 10.
Write one example of decomposition or dissociation reaction. [2]

Question 11.
How many parts are there of human blood? Name them. [2]

Question 12.
Explain disadvantages of Dacron/ Polyster/ Synthetic Fibre. [4]

Question 13.
How many categories of fruits are there? Explain. [4]

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

Question 15.
Explain the differences between conventional energy sources and non- conventional energy sources by providing suitable examples. [4]

Question 16.
Explain how objects complete one oscillation with diagram. [4]

Question 17.
What is polar satellite? Write its features. [4]

Question 18.
What is cyber security? Why it is necessary? [4]

Question 19.
Describe an activity to explain air pressure. [4]

Question 20.
Why is sanitation necessary for human? [4]

Question 21.
Classify the fuels on the basis of there states of matter. [4]

Question 22.
How does cyclone form? Explain with diagram. [6]

Question 23.
What is Heredity? Make Table of contrasting traits of pea plant studied by Mendel. [6]
OR
Comment on:
(a) Blood Groups
(b) Blood Banks.

Question 24.
Write a short note on Dr. Vikram Ambalal Sarabhai’s life. [6]
OR
What is Internet? Write the main names of communication means based on Internet and describe any two in detail.

Question 25.
Discuss practical aspects of life style with respect to environment conservation. [6]
OR
According to you why LPG is considered as the best fuel? Give reasons.

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