Refer to Olympiad Class 8 Science Mock Test Set J provided below available for download in Pdf. The MCQ Questions for Class 8 Science with answers are aligned as per the latest syllabus and exam pattern suggested by CBSE, NCERT and KVS. Multiple Choice Questions for Olympiads Class 8 Science are an important part of exams for Class 8 Science and if practiced properly can help you to improve your understanding and get higher marks. Refer to more Chapter-wise MCQs for CBSE Class 8 Science and also download more latest study material for all subjects
MCQ for Class 8 Science Olympiads Class 8 Science
Class 8 Science students should refer to the following multiple-choice questions with answers for Olympiads Class 8 Science in Class 8.
Olympiads Class 8 Science MCQ Questions Class 8 Science with Answers
Question. Which of the following optical instruments use plane mirrors for viewing an object?
(A) Microscope
(B) Telescope
(C) Periscope
(D) Binocular
Answer : C
Question. Old news papers and other paper products were collected and treated to make toilet paper. What is this practice known as?
(A) Reducing
(B) Recycling
(C) Reusing
(D) Reinventing
Answer : B
Question. Which effect of current is responsible for a compass placed in an electric field to be deflected?
(A) Biochemical
(B) Magnetic
(C) Heating
(D) Chemical
Answer : B
Question. Which of these antibiotics is/are made from bacteria?
(A) Streptomycin
(B) Tetracycline
(C) Polio vaccine
(D) All of these
Answer : D
Question. Identify the force that tends to slow down the motion of a moving body.
(A) Magnetic force
(B) Frictional force
(C) Gravitational force
(D) Electric force
Answer : B
Question. Which of the following is NOT a conductor of electricity?
(A) Metallic coin
(B) Steel spoon
(C) Lid of a tin
(D) Piece of wood
Answer : D
Question. Which of the following happens when a wax candle is burnt?
(A) Fuel undergoes oxidation.
(B) Liberation of heat and light energy.
(C) Release of water vapour and carbon dioxide.
(D) All of the above
Answer : D
Question. Which of the following is not a precaution to be taken during lightning?
(A) Bathing should be avoided during thunderstorm
(B) Electrical appliances should be unplugged
(C) Metal pipes house should not be touched
(D) Electrical lights should not be switched on
Answer : D
Question. Which of the following was used by Alexander Flemming to prepare an antibiotic to kill bacteria?
(A) Rhizopus
(B) Yeast
(C) Mushroom
(D) Penicillium notatum
Answer : D
Question. Which of the following produces a shrill but soft sound?
(A) Dog
(B) Lion
(C) Mosquito
(D) Fox
Answer : C
Question. During fractional distillation of petroleum where do the vapours with highest boiling point condense in the fractionating tower ?
(A) In upper portion
(B) In lower portion
(C) In middle portion
(D) Cannot be said
Answer : B
Question. A cube of side 0.2 m and weighing 100 N rests on the floor. What is the pressure exerted by the cube on the floor?
(A) 10 N m-2
(B) 500 N m-2
(C) 1000 N m-2
(D) 2500 N m-2
Answer : D
Question. How are earthworms useful to farmers?
(A) They help in nitrogen fixation in the soil.
(B) They help in killing pests.
(C) They make the soil airy, soft and fertile.
(D) They help in pulling out of weeds.
Answer : C
Question. According to the laws of reflection, which of the following statements is correct?
(A) Angle ‘i’ is greater than angle ‘r’
(B) Angle ‘i’ is less than angle ‘r’
(C) Angle ‘i’ is equal to angle ‘r’
(D) Both (A) and (B)
Answer : C
Question. What is the best method to avoid pollution by using plastic bags?
(A) Bury the plastic bags in the soil
(B) Use biodegradable plastic bags
(C) Throw the plastic bags into the river
(D) Burn the plastic bags in a rubbish dump
Answer : B
Question. Why is zinc better than tin if we want to protect a piece of iron from rusting by electroplating ?
(A) Zinc is cheaper than tin.
(B) Tin is toxic.
(C) Zinc prevents contact of iron with water, air.
(D) Rusting is prevented even when the zinc layer is broken.
Answer : D
Question. Which of these is NOT a major group of activities for improving crop yield?
(A) Crop protection management
(B) Crop production management
(C) Crop variety improvement
(D) Crop transport management
Answer : D
Question. Which of the things will not happen in the world if friction were not present?
(A) Dentist drilling the teeth.
(B) Carpenter smoothening a wooden block.
(C) Motion of cars on road.
(D) All of the above
Answer : D
Question. The charges present on the various objects are as shown in the figure below. In which of the following cases, a force of repulsion acts between them?
Answer : A
Question. X is the reproductive cell produced in Y of a female organism while Z is the reproductive cell that is produced in the testes of a male organism. What can X, Y and Z be?
A | B | C | |
(A) | Egg | Ovary | Sperm |
(B) | Ovary | Testes | Egg |
(C) | Ovule | Ovary | Sperm |
(D) | Ovule | Egg | Ovary |
Answer : A
CBSE Class 8 Science Crop Production and Management MCQs |
CBSE Class 8 Science Microorganisms Friend or Foe MCQs |
CBSE Class 8 Science Synthetic Fibre and Plastics MCQs |
CBSE Class 8 Science Materials Metals and Non Metals MCQs |
CBSE Class 8 Science Coal and Petroleum MCQs |
CBSE Class 8 Science Combustion and Flame MCQs |
CBSE Class 8 Science Conservation of Plants and Animals MCQs |
CBSE Class 8 Science Cell Structure and Functions MCQs |
CBSE Class 8 Science Reproduction in Animals MCQs |
CBSE Class 8 Science Reaching The Age of Adolescence MCQs |
CBSE Class 8 Science Force and Pressure MCQs |
CBSE Class 8 Science Friction MCQs |
CBSE Class 8 Science Sound MCQs |
CBSE Class 8 Science Chemical Effect of Electric Current MCQs |
CBSE Class 8 Science Some Natural Phenomena MCQs |
CBSE Class 8 Science Light MCQs |
CBSE Class 8 Science Stars and Solar System MCQs |
CBSE Class 8 Science Pollution of Air and Water MCQs |
CBSE Class 8 Science MCQs Bank |
MCQs for Olympiads Class 8 Science Science Class 8
Expert teachers of studiestoday have referred to NCERT book for Class 8 Science to develop the Science Class 8 MCQs. If you download MCQs with answers for the above chapter you will get higher and better marks in Class 8 test and exams in the current year as you will be able to have stronger understanding of all concepts. Daily Multiple Choice Questions practice of Science will help students to have stronger understanding of all concepts and also make them expert on all critical topics. After solving the questions given in the MCQs which have been developed as per latest books also refer to the NCERT solutions for Class 8 Science. We have also provided lot of MCQ questions for Class 8 Science so that you can solve questions relating to all topics given in each chapter. After solving these you should also refer to Class 8 Science MCQ Test for the same chapter.
You can download the CBSE MCQs for Class 8 Science Olympiads Class 8 Science for latest session from StudiesToday.com
Yes, the MCQs issued by CBSE for Class 8 Science Olympiads Class 8 Science have been made available here for latest academic session
You can find CBSE Class 8 Science Olympiads Class 8 Science MCQs on educational websites like studiestoday.com, online tutoring platforms, and in sample question papers provided on this website.
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