Refer to Olympiad Class 7 Science Mock Test Set C provided below available for download in Pdf. The MCQ Questions for Class 7 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 7 Science are an important part of exams for Class 7 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 7 Science and also download more latest study material for all subjects
MCQ for Class 7 Science Olympiads Class 7 Science
Class 7 Science students should refer to the following multiple-choice questions with answers for Olympiads Class 7 Science in Class 7.
Olympiads Class 7 Science MCQ Questions Class 7 Science with Answers
Question. An object is placed at 15 cm in front of a plane mirror. If the object is moved towards the plane mirror, which of the following changes will take place?
(A) The size of the image will become less than the size of the object.
(B) The distance between the image and the plane mirror decreases.
(C) The focal length of plane mirror decreases.
(D) The image distance remains same.
Answer : B
Question. What kind of silk is rayon?
(A) Pure silk
(B) Impure silk
(C) Mulberry silk
(D) Synthetic silk
Answer : D
Question. An electrolyte is a
(A) solid that conducts electricity.
(B) liquid that conducts electricity and breaks up chemically in the process.
(C) liquid that does not conduct electricity.
(D) solid that does not conduct electricity.
Answer : B
Question. Which of the following fungi exhibit the characteristics given below?
X – Umbrella shaped fruiting body
Y – Mycelium lies beneath the surface of the soil
Z – Gills are the spore bearing organs
(A) Rhizopus
(B) Mould
(C) Yeast
(D) Mushroom
Answer : D
Question. Frictional force is independent of area of contact but still brakes of very small contact are not preferred. Why ?
(A) Friction depends on the nature of the material.
(B) Friction causes wear and tear.
(C) Friction resists motion.
(D) Friction caused is due to sliding friction.
Answer : B
Question. Which of the following is a good conductor of electricity?
(A) Tap water
(B) Distilled water
(C) Sea water
(D) Rain water
Answer : C
Question. Electric charge can flow through
(A) insulators.
(B) conductors.
(C) both insulators and conductors.
(D) neither insulators nor conductors.
Answer : B
Question. The sex of a child is determined by
(A) X chromosomes of mother
(B) Y Chromosomes of father
(C) Number of days between ovulation and fertilisation
(D) Number of days between fertilisation and implantation
Answer : B
Question. Which pair of instruments have both the higher amplitude and higher frequency of sound?
(A) Violin, Guitar
(B) Violin, Violin
(C) Guitar, Violin
(D) Guitar, Guitar
Answer : B
10 In which case is friction a disadvantage?
(A) running a machine
(B) walking
(C) applying brakes
(D) writing
Answer : A
Question. X is a black, thick liquid with unpleasant smell.
It is obtained during the processing of coal. It is used for preparing napthalene balls.
Identify X.
(A) Coke
(B) Coal gas
(C) Natural gas
(D) Coal tar
Answer : D
Question. Air pressure is also known as atmoshperic pressure. How is it caused?
(A) By the heat energy in the air
(B) By the wind that blows in the air
(C) By water vapour in the air
(D) By the air around us that presses on the surfaces of objects
Answer : D
Question. Identify the use of a seed drill.
(A) It is used to put manure or fertiliser near the roots of trees
(B) It is used to sow the seeds at equal distances
(C) It is useful to remove weeds in a field
(D) Both (A) and (B)
Answer : B
Question. How many dots does the Braille system use?
(A) 5
(B) 6
(C) 10
(C) 11
Answer : B
Question. Which of these can you use as a substitute for glass in windows?
(A) Polythene
(B) PVC
(C) Perspex
(D) Teflon
Answer : C
Question. On adding sulphur dioxide to water you get
(A) sulphur
(B) sulphur trioxide
(C) sulphurous acid
(D) sulphuric acid
Answer : C
Question. Observe the figure given below.
Identify the electrolyte Z.
(A) Silver nitrate
(B) Zinc sulphate
(C) Copper sulphate
(D) Potassium sulphate
Answer : C
Question. Which of the following will occur if the fallopian tube is ligated?
(A) Ovum will not be produced
(B) No fertilisation will occur
(C) Implantation of the zygote cannot occur
(D) No sex hormones will be produced
Answer : B
Question. The energy of vibrations measured on the Richter scale increases by steps of about
(A) 10
(B) 20
(C) 30
(D) 40
Answer : C
Question. Which of these activities help to maintain biodiversity?
I - Protect endangered species
II - Set up forest reserves
III - Clear land for agriculture
(A) I and II only
(B) I and III only
(C) II and III only
(D) I, II and III
Answer : A
CBSE Class 7 Science Nutrition in Plants MCQs |
CBSE Class 7 Science Nutrition in Animals MCQs |
CBSE Class 7 Science Fibre to Fabric MCQs |
CBSE Class 7 Science Heat MCQs |
CBSE Class 7 Science Acids Bases and Salts MCQs |
CBSE Class 7 Science Physical and Chemical Changes MCQs |
CBSE Class 7 Science Weather and Climate MCQs |
CBSE Class 7 Science Winds Storms and Cyclones MCQs |
CBSE Class 7 Science Soil MCQs |
CBSE Class 7 Science Respiration in Organisms MCQs |
CBSE Class 7 Science Transportation in Animals and Plants MCQs |
CBSE Class 7 Science Reproduction in Plants MCQs |
CBSE Class 7 Science Motion and Time MCQs |
CBSE Class 7 Science Electric Current and its Effects MCQs |
CBSE Class 7 Science Light MCQs |
CBSE Class 7 Science Water A Precious Resource MCQs |
CBSE Class 7 Science Forests Our Lifeline MCQs |
CBSE Class 7 Science Wastewater Story MCQs |
CBSE Class 7 Science All Chapters MCQs Set A |
CBSE Class 7 Science All Chapters MCQs Set B |
MCQs for Olympiads Class 7 Science Science Class 7
Expert teachers of studiestoday have referred to NCERT book for Class 7 Science to develop the Science Class 7 MCQs. If you download MCQs with answers for the above chapter you will get higher and better marks in Class 7 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 7 Science. We have also provided lot of MCQ questions for Class 7 Science so that you can solve questions relating to all topics given in each chapter. After solving these you should also refer to Class 7 Science MCQ Test for the same chapter.
You can download the CBSE MCQs for Class 7 Science Olympiads Class 7 Science for latest session from StudiesToday.com
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