Refer to CBSE Class 10 Science NSO Olympiad MCQs with Answers Set C provided below available for download in Pdf. The MCQ Questions for Class 10 Science with answers are aligned as per the latest syllabus and exam pattern suggested by CBSE, NCERT and KVS. Multiple Choice Questions for NSO Olympiad are an important part of exams for Class 10 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 10 Science and also download more latest study material for all subjects
MCQ for Class 10 Science NSO Olympiad
Class 10 Science students should refer to the following multiple-choice questions with answers for NSO Olympiad in Class 10.
NSO Olympiad MCQ Questions Class 10 Science with Answers
Logical Reasoning
Question. In a certain code language, ‘si po re’ means ‘book is thick’, ‘ti ma re’ means ‘bag is heavy’, ‘ka si’ means ‘interesting book’ and ‘de ti’ means ‘that bag’. Which of the following means ‘that is interesting’ in that code language?
A. ka de re
B. ti po ka
C. de si re
D. ka re ma
Answer : A
Question. Select a figure from the options which will continue the same series as established by the Problem Figures.
Answer : D
Question. If ‘A + B’ means ‘A is the brother of B’; ‘A – B’ means ‘A is the sister of B’; ‘A ∅ B’ means ‘A is the wife of B’ and ‘A # B’ means ‘A is the father of B’, then which of the following options indicate X is son of Y ?
A. Y ∅ Q # R + X – T
B. Y ∅ Q # X – R – T
C. Y ∅ Q # R – X + T
D. Y ∅ Q # R – T + X
Answer : C
Question. In which of the following options, Fig. (X) is exactly embedded as one of its part
Answer : A
Question. In the given figure, rectangle, square, circle and triangle represents the regions of wheat, gram, maize and rice cultivation respectively
Which area is cultivated by rice and maize only?
A. 9
B. 8
C. 2
D. 7
Answer : C
Question. Find the correct water image of the given Fig. (X).
Answer : B
Question. Find the missing number, if a certain rule is followed in all the three figures.
A. 600
B. 640
C. 680
D. 630
Answer : A
Question. How many such pairs of letters are there in the given word each of which has as many letters between them in the word as in the English alphabet?
ENTERTAINMENT
A. Three
B. Four
C. Five
D. More than five
Answer : D
Question. A square transparent sheet (X) with a pattern is given.
Find out from the options as to how the pattern would appear when the transparent sheet is folded along the dotted line.
Answer : D
Question. Two different positions of a dice are shown. What is the number of dots at the top, if 5 dots are at the bottom?
A. 2
B. 4
C. 6
D. 3
Answer : D
Science
Question. Two cars, A and B are moving with a constant speed of 10 m s–1. Car A is moving on a circular path of radius r and car B is moving on a straight road.
Which of the following statements is correct?
A. Both cars are moving with uniform velocity.
B. Distance moved and magnitude of displacement are equal for car A, at any time.
C. Motion of car B is not accelerated.
D. Motion of car A is non-uniform circular motion.
Answer : C
Question. In an X-ray machine, an electron is subjected to a force of 10–23 N. Time taken by the electron (initially at rest) to cover a distance of 10 cm is √x × 10y s.
Then _____. (Take mass of the electron = 10–30 kg)
A. x = 1, y = – 7
B. x = 2, y = – 4
C. x = 4, y = – 6
D. x = 2 , y = – 8
Answer : B
Question. A convex mirror of radius of curvature R produces an image (1/2N + 1)th of the size of the object.
The distance of the object from the mirror is
A. NR
B. 2 NR
C. NR/(2N + 1)
D. NR/2(2N + 1)
Answer : A
Question. Two men, A and B, are facing a flat and hard wall as shown in the given figure. When man A makes a clap, man B hears two claps. The speed of sound in air is 320 m s–1. What is the interval between the two claps heard by man B?
A. 2.14 s
B. 2.78 s
C. 3.16 s
D. 3.75 s
Answer : A
Question. Which of the following diagrams correctly shows the magnetic field lines produced by a current carrying circular loop?
Answer : A
Question. A satellite is orbiting around the earth. The centripetal force on the satellite is F. The gravitational force of the earth on the satellite is also F. The net force on the satellite is
A. Zero
B. F
C. F/√2
D. √2F
Answer : B
Question. The variation of resistance of a wire at room temperature with increase in its length is tabulated here.
Length of wire (m) | Resistance of wire (W) |
200 400 600 800 1000 | 2.5 5.0 7.5 10.0 12.5 |
If the resistivity of the material of wire is 2 × 10–7 W m, then the area of cross-section of the wire is
A. 1 × 10–6 m2
B. 2 × 10–6 m2
C. 4 × 10–6 m2
D. 16 × 10–6 m2
Answer : D
Question. The given figure shows the phenomenon of recombination of the spectrum of white light using two prisms.
If V, I, B, Y, O and R denote violet, indigo, blue, yellow, orange and red colours respectively, then which of the following options correctly lists the colour of marked rays?
Answer : B
Question. Which of the following statements is incorrect?
A. Biomass is the waste of living things and the dead parts of the living things.
B. The energy obtained from biomass is called the bioenergy and it is a non-renewable source of energy.
C. The main constituent of biogas is methane which has a higher calorific value than that of petrol.
D. Biogas is produced by anaerobic degradation of biomass in the presence of water but in the absence of oxygen.
Answer : B
Question. Read the given statements and select the correct option.
Statement 1 : An alpha particle projected towards west is deflected towards north by a magnetic field which is directed out of the plane of the paper.
Statement 2 : If we stretch the thumb, fore finger and middle finger of our left hand such that they are mutually perpendicular, and the fore finger points in the direction of magnetic field and the middle finger in the direction of current, then the thumb will point in the direction of the force acting on the conductor.
A. Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1.
B. Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1.
C. Statement 1 is true but statement 2 is false.
D. Both statements 1 and 2 are false.
Answer : A
Question. A boy of mass 50 kg, runs up a flight of 120 stairs, each measuring a height of 25 cm, in one minute and 40 seconds. If g = 10 m s–2, then the power of the boy is
A. 150 W
B. 750 W
C. 500 W
D. 250 W
Answer : A
Question. The given figure shows a ray diagram for the image formation of an object AB by a convex lens.
If A′B′ < AB, then
A. BX = B′X
B. XY > YB′
C. 2XY = BX
D. BY < 3YB′
Answer : B
Question. The graph shows the change in temperature with time when ice at –20°C is heated to 120°C .
Which entry in the options shows the correct change taking place between the points?
Points Changes
A. P to Q Average energy of particles remains constant
B. Q to R Ice melting
C. R to S The volume of steam is increasing
D. T to U Water boiling
Answer : B
Question. Observe the given figures carefully.
Fill in the blanks by choosing an appropriate option.
P is (i) and Q is (ii) . Q acts as the (iii) agent while H2 acts as the (iv) agent.
(i) | (ii) | (iii) | (iv) | |
A | Copper | Copper oxide | Reducing | Oxidising |
B | Copper hydroxide | Copper carbonate | Reducing | Oxidising |
C | Copper | Copper oxide | Oxidising | Reducing |
D | Copper oxide | Copper | Oxidising | Reducing |
Answer : C
Question. In the given reactions sequence
X, Y and Z are respectively
A. CH3CH2OH, CH3COOCH3 and CH ≡ CH
B. CH3CH2OH, CH3CH2COOH and CH2 = CH2
C. CH3OCH3, CH3COCH2OH and CH2 = CH2
D. CH3CH2OH, CH3COOH and CH2 = CHH2
Answer : D
Question. Match the metals given in column I with the methods of extraction given in column II and select the correct option from the given codes.
Column I Column II
P. Mercury (i) Heating with coke
Q. Zinc (ii) Electrolytic reduction
R. Iron (iii) Thermite reaction
S. Aluminium (iv) Heating alone
P Q R S
A. (i) (iv) (ii) (iii)
B. (iv) (i) (iii) (ii)
C. (ii) (iii) (i) (iv)
D. (iii) (ii) (iv) (i)
Answer : B
Question. To write a letter with a graphite pencil, 0.001 g of carbon is required. The total number of carbon atoms used in writing the letter is
A. 6.023 × 1023
B. 1
C. 5 × 1017
D. 5.02 × 1019
Answer : D
Question. Sodium hydroxide solution is added to each of the following test tubes and heated.
In which test tube, the reaction will not occur?
A. I
B. II
C. III
D. IV
Answer : B
Question. Observe the given flowchart carefully.
A. Sulphur, Charcoal and potassium nitrate
B. Potassium nitrate, charcoal and sulphur
C. Sulphur, potassium nitrate and charcoal
D. Charcoal, potassium nitrate and sulphur.
Answer : C
Question. Which of the following reactions are exothermic in nature?
(i) Evaporation of water
(ii) Dissolution of sodium hydroxide in water
(iii) Dilution of sulphuric acid
(iv) Dissolution of ammonium chloride in water
(v) Combustion of methane gas
A. (i), (iv) and (v)
B. (ii), (iii) and (v)
C. (i), (ii) and (iv)
D. (i), (iii) and (iv)
Answer : B
Question. The atoms 3014Si, 3115P and 3216S have the same
A. Nucleon number
B. Number of electrons
C. Number of neutrons
D. Number of protons
Answer : C
Question. The positions of four elements P, Q, R and S are shown on the outline of a part of the periodic table.
Element X has a high melting point and is a good conductor of electricity. It forms chlorides XCl2 and XCl3. Which element is X?
A. P
B. Q
C. R
D. S
Answer : C
Question. Steam at 100°C is a more effective heating agent than water at the same temperature because
A. Steam is a form of hot vapours and water is hot liquid
B. 1 kg of water at 100°C has 22.6 × 105 joules more energy than 1 kg of steam at the same temperature
C. 1 kg of steam at 100°C has 22.6 × 105 joules more energy than 1 kg of water at the same temperature
D. None of these.
Answer : C
Question. Find the incorrect match.
A. Cs and Ga – High melting point
B. Cu – No reaction with dil. HCl
C. Pb and Hg – Poor conductors of heat
D. Mg and Mn – React with very dil. HNO3
Answer : A
Question. The given flow chart shows one of the pathways of glucose breakdown. Identify ‘P’ and ‘Q’.
A. Ethanol and carbon dioxide
B. Pyruvate and carbon dioxide
C. Pyruvate and lactate
D. Ethanol and pyruvate
Answer : C
Question. Read the following statements about the transmission of nerve impulse and select the correct ones.
(i) In a neuron, nerve impulse travels from the axonal end to the dendritic end as:
Axonal end → Axon → Cell body → Dendritic end
(ii) The chemicals released from the axonal end of one neuron cross the synapse and generate a similar electrical impulse in the dendrite of another neuron.
(iii) A neuron transmits the nerve impulses not only to another neuron but also to the muscle cells and gland cells.
(iv) The neurotransmitter released at the post-synaptic membrane, diffuses across the synapse and comes into contact with the chemoreceptor sites in the pre-synaptic membrane.
A. (i) and (ii) only
B. (ii) and (iii) only
C. (iii) and (iv) only
D. (i) and (iv) only
Answer : B
Question. Study the given concept map of the cell and select the option which is correct regarding E, F, G and H.
A. E can be an onion skin cell and G can be an animal nerve cell.
B. F can be a root cell of a plant and H can be a mature mammalian RBC.
C. E can be a leaf cell of a plant and H can be an onion skin cell.
D. F can be a mature mammalian RBC and G can be an animal nerve cell.
Answer : B
Question. Which of the following options is incorrect regarding the part labelled as P in the given figure?
A. It is a paired structure present in human male reproductive system.
B. Its duct joins with the vas deferens.
C. It secretes slightly acidic fluid, which increases sperm motility.
D. Its secretion is rich in fructose sugar.
Answer : C
Question. Select the correct match out of the following
A. Vegetative propagation through rhizome | Ginger, Garlic |
B. Asexual reproduction by spore formation | Sugarcane, Rhizopus |
C. Sexual reproduction by gamete formation | Pea, Hibiscus |
D. Asexual reproduction by fragmentation | Spirogyra, Yeast |
Answer : C
Question. Given figures represent certain parts/structures (i), (ii), (iii), (iv) and (v) of plants and animals. Identify the pairs of structures that are homologous to each other and select the correct option.
A. (i) and (ii) only
B. (iii), (iv) and (v) only
C. (iii) and (iv) only
D. Both A and C
Answer : D
Question. In pea plants, round seeds (R) are dominant over wrinkled seeds (r), and yellow seeds (Y) are dominant over green seeds (y) . When a cross is made between a pea plant having round and yellow seeds (RrYy) with a pea plant having round and green seeds (Rryy), what fraction of the progeny will have wrinkled and green seeds?
A. 1/2
B. 1/4
C. 3/8
D. 1/8
Answer : D
Question. Given table gives some information about the trophic levels of a food chain
Trophic level | Biomass of organisms (In kg m–2) | Energy in the trophic level (In calories) |
W | 14 | 1000 |
X | 2 | 10 |
Y | 20 | 10,000 |
Z | 9 | 100 |
Which of the following food chains is correct with respect to the given information?
A. W →Y → Z → X
B. Y → Z → W → X
C. X → Z → W → Y
D. Y → W → Z → X
Answer : D
Question. The epithelial tissue that lines the stomach and the intestine is
Answer : B
Question. Which of the following is an incorrect match of phylum, type of coelom present in it and a characteristic feature?
Phylum | Coelom | Feature | |
(i) | Chordata | Coelomate | Dorsal hollow nerve cord |
(ii) | Echinodermata | Pseudocoelomate | Water vascular system |
(iii) | Arthropoda | Coelomate | Chitinous exoskeleton |
(iv) | Platyhelminthes | Acoelomate | Flame cells |
A. (ii) only
B. (iv) only
C. (i) and (iii) only
D. (ii), (iii) and (iv) only
Answer : A
Question. Match column I with column II and select the correct option from the given codes
Column I Column II
(a) Sleeping (i) A water-borne bacterial sickness disease
(b) Hepatitis (ii) Caused by a protozoan
(c) Tuberculosis (iii) A viral disease that affects liver
(d) Dengue (iv) Prevented by BCG vaccine
(e) Cholera (v) A viral disease transmitted by mosquito
A. (a) – (ii), (b) – (iii), (c) – (iv), (d) – (v), (e) – (i)
B. (a) – (v), (b) – (iii), (c) – (iv), (d) – (ii), (e) – (i)
C. (a) – (ii), (b) – (v), (c) – (i), (d) – (iii), (e) – (iv)
D. (a) – (i), (b) – (ii), (c) – (iv), (d) – (iii), (e) – (v)
Answer : D
Achievers Section
Question. Nine identical resistors of resistance 1 W each are connected as shown in the given figure.
Answer : D
Direction: Refer to the given paragraph and answer the questions a and b.
Akshita has arranged the following sets of experiments to observe the reactivity of different metals.
Question a. Identify X, p, q, r and s.
A. X-Mg, p-Grey, q-Colourless, r-Greenish-yellow, s-Colourless
B. X-Al, p-Grey, q-Colourless, r-Grey, s-Green
C. X-Au, p-Golden, q-Green, r-Silver-grey, s-Yellow
D. X-Cu, p-Reddish-brown, q-Blue, r-Reddish-brown, s-Colourless
Answer : D
Question b. Decreasing order of reactivity of given metals is
A. Zn > X > Fe > Ag
B. X > Zn > Fe > Ag
C. Zn > Fe > X > Ag
D. Zn > Fe > Ag > X
Answer : C
Question. Study the given figure of the chloroplast and select the correct statement regarding it.
A. The processes involving photolysis of water and evolution of molecular oxygen take place in the part labelled as P.
B. Synthesis of assimilatory power (ATP + NADPH) takes place in the part labelled as Q.
C. Excess of glucose molecules synthesised during photosynthesis are stored mainly in the form of glycogen represented as R in the given figure.
D. The photosynthetic reactions that take place in the part labelled as Q are the enzymatic reactions which require the presence of light for their occurence.
Answer : A
Question. P and Q in the given graph are the action spectra of the two enzymes. The two enzymes are
A. P : Amylase Q : Trypsin
B. P : Pepsin Q : Trypsin
C. P : Sucrase Q : Rennin
D. P : Lactase Q : Amylase
Answer : B
CBSE Class 10 Science Chemical Reactions and Equations MCQs |
CBSE Class 10 Science Acids Bases and Salts MCQs |
CBSE Class 10 Science Metals and Non Metals MCQs |
CBSE Class 10 Science Carbon and its Compounds MCQs |
CBSE Class 10 Chemistry Periodic Classification of Elements MCQs |
CBSE Class 10 Biology Life Processes MCQs |
CBSE Class 10 Biology Control and Coordination MCQs |
CBSE Class 10 Biology How do Organisms Reproduce MCQs |
CBSE Class 10 Science Heredity and Evolution MCQs |
CBSE Class 10 Physics Light Reflection and Refraction MCQs |
CBSE Class 10 Science The Human Eye and the Colourful World MCQs |
CBSE Class 10 Physics Electricity MCQs |
CBSE Class 10 Science Magnetic Effects of Electric Current MCQs |
CBSE Class 10 Physics Sources of Energy MCQs |
CBSE Class 10 Biology Our Environment MCQs |
CBSE Class 10 Biology Management of Natural Resources MCQs |
More Study Material
MCQs for Science CBSE Class 10 NSO Olympiad
Expert teachers of studiestoday have referred to NCERT book for Class 10 Science to develop the Science Class 10 MCQs. If you download MCQs with answers for the above chapter daily, you will get higher and better marks in Class 10 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 and its study material 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 course books also refer to the NCERT solutions for Class 10 Science designed by our teachers
NSO Olympiad MCQs Science CBSE Class 10
All MCQs given above for Class 10 Science have been made as per the latest syllabus and books issued for the current academic year. The students of Class 10 can refer to the answers which have been also provided by our teachers for all MCQs of Science so that you are able to solve the questions and then compare your answers with the solutions provided by us. We have also provided lot of MCQ questions for Class 10 Science so that you can solve questions relating to all topics given in each chapter. All study material for Class 10 Science students have been given on studiestoday.
NSO Olympiad CBSE Class 10 MCQs Science
Regular MCQs practice helps to gain more practice in solving questions to obtain a more comprehensive understanding of NSO Olympiad concepts. MCQs play an important role in developing understanding of NSO Olympiad in CBSE Class 10. Students can download and save or print all the MCQs, printable assignments, practice sheets of the above chapter in Class 10 Science in Pdf format from studiestoday. You can print or read them online on your computer or mobile or any other device. After solving these you should also refer to Class 10 Science MCQ Test for the same chapter
CBSE MCQs Science Class 10 NSO Olympiad
CBSE Class 10 Science best textbooks have been used for writing the problems given in the above MCQs. If you have tests coming up then you should revise all concepts relating to NSO Olympiad and then take out print of the above MCQs and attempt all problems. We have also provided a lot of other MCQs for Class 10 Science which you can use to further make yourself better in Science
You can download the CBSE MCQs for Class 10 Science NSO Olympiad for latest session from StudiesToday.com
Yes, you can click on the links above and download topic wise MCQs Questions PDFs for NSO Olympiad Class 10 for Science
Yes, the MCQs issued by CBSE for Class 10 Science NSO Olympiad have been made available here for latest academic session
You can easily access the links above and download the NSO Olympiad Class 10 MCQs Science for each topic
There is no charge for the MCQs and their answers for Class 10 CBSE Science NSO Olympiad you can download everything free
Regular revision of MCQs given on studiestoday for Class 10 subject Science NSO Olympiad can help you to score better marks in exams
Multiple Choice Questions (MCQs) for NSO Olympiad Class 10 Science are objective-based questions which provide multiple answer options, and students are required to choose the correct answer from the given choices.
Learning NSO Olympiad based MCQs will help students improve their overall understanding of important concepts and topics and help to score well in Class 10 Science exams.
You can practice NSO Olympiad for CBSE Class 10 through worksheets, textbooks and online quizzes provided by studiestoday.com.
You can find CBSE Class 10 Science NSO Olympiad MCQs on educational websites like studiestoday.com, online tutoring platforms, and in sample question papers provided on this website.
To prepare for NSO Olympiad MCQs, refer to the concepts links provided by our teachers and download sample papers for free.
Yes, there are many online resources that we have provided on studiestoday.com available such as practice worksheets, question papers, and online tests for learning MCQs for Class 10 Science NSO Olympiad
Yes, you can find printable NSO Olympiad worksheets for CBSE Class 10 Science on studiestoday.com.
We have provided full database of free multiple choice questions with answers on studiestoday.com for CBSE Class 10 Science NSO Olympiad