CBSE Class 5 Science NSO Olympiad MCQs with Answers Set E

LOGICAL REASONING

Question. Which of the following options will continue the series established by the Problem Figures?

Answer :  D

Question. Kavya is facing the Theatre. She turns 225° in anticlockwise direction, where will she be facing now?

A. School
B. Market
C. Mall
D. Museum
Answer : B

Question. If in a certain code language, ‘FRIEND’ is written as ‘IRFDNE’, then how will ‘MOTHER’ be written in the same language?
A. TOMREH
B. TOMEHR
C. REHTOM
D. TOMRHE
Answer : A

Question. Which of the following options will complete the  pattern in Fig. (X)?

Answer : D

Question. Find the missing number, if a certain rule is followed in the given figures.

A. 11
B. 15
C. 21
D. 17
Answer : D

Question. Select the correct mirror image of Fig. (X).

Answer : C

Question. Which of the following Venn diagrams best represents the relationship amongst “Players, Men, Champions”?

Answer : D

Question. Count the number of squares formed in the given figure.

A. 12
B. 14
C. 10
D. None of these
Answer : A

Question. Which of the following options is exactly embedded in Fig. (X)?

Answer : C

Question. Which of the following words CANNOT be formed from the letters of the given word?
CREATIONS
A. REACT
B. ACTION
C. TORN
D. HECTARE
Answer : D

SCIENCE

Question. Which of the following statements is incorrect about the Sun?
A. The Sun is a huge mass of very hot gases.
B. The Sun is the only planet that we can see in the day.
C. The distance of the Sun from the Earth is about 150,000,000 km.
D. The Sun is important to the Earth because it provides light energy to green plants to make food.
Answer : B

Question. X cannot make its own food and reproduces with the help of tiny structures called spores. Which of the following represents X?
A. Fern
B. Mushroom
C. Bryophyllum
D. Dahlia
Answer : B

Question. Amit continued to heat 100 mL of pure water for 15 minutes after it reached boiling point. Which of the following figures shows the result at the end of the experiment?

Answer : B

Question. The given figure shows the phases of the Moon as seen from Earth on different nights.

Which one of the following figures shows the correct phase of the Moon on December 30?

Answer : C

Question. Study the given classification chart.

Which of the following are the most suitable headings for the groups X and Y?
         Group X                 Group Y
A. Man-made                Natural
B. Flexible                     Stiff
C. Opaque T                 ransparent
D. Floats on water        Sinks in water
Answer : D

Question. Ritika was asked to draw human digestive system. The diagram drawn by her is shown here. If we had a digestive system, as shown here, what would be the consequence?

A. The food will not be churned well and as a result, digestion will be slower.
B. Bile will not be produced.
C. Bacteria present in the food will not be killed.
D. Both A and C
Answer : D

Question. Soil pollution can be reduced by increasing the use of _______.
A. Biodegradable and recyclable materials
B. Use-and-throw articles
C. Electronic and plastic products
D. Forest products without reforestation
Answer : A

Question. Mohan is very sensitive to green chillies. Whenever he eats them, he gets rashes on his body. Mohan has a disorder called .............
A. Measles
B. Allergy
C. Anaemia
D. Cholera
Answer : B

Question. The organism ‘P’ migrates to a new place, reproduces and then dies. Which of these can be ‘P’?
A. Salmon
B. Polar bear
C. Arctic tern
D. Siberian crane
Answer : A

Question. Aradhya dips a can into a container of soapy water as shown here. A thin film of soapy water was formed over its mouth.

Aradhya holds the can tightly in her hands for a while.
What do you think will happen?
A. Nothing will happen.
B. A bubble will form out of the mouth of the can.
C. The film will sink into the can.
D. The film will pop.
Answer : D

Question. Which of the following statements show correct differences between an adult mosquito and its young one?
(i) The adult mosquito lives on land but its young one lives in water.
(ii) The adult mosquito moults but its young one does not.
(iii) The adult female mosquito feeds on the blood of animals but its young one feeds on microscopic organisms.
(iv) The adult mosquito breathes in air through its gills but its young one breathes through a special tube.
A. (i) and (ii) only
B. (ii) and (iv) only
C. (i) and (iii) only
D. (i), (iii) and (iv) only
Answer : C

Question. Which of the following sets of gases contributes to global warming?
A. Sulfur dioxide, Nitrogen, Carbon dioxide and Ozone
B. Oxygen, Carbon dioxide, Ozone and Methane
C. CFC, Oxygen, Nitrogen and Carbon dioxide
D. Methane, Carbon dioxide, Nitrous oxide and Water vapour
Answer : D

Question. Rishi is a contracter who is clearing a forest patch to build a sports complex in its place. Which of the following would possibly be the consequence of this activity?
(i) Some animals will become extinct.
(ii) Some possible sources of natural drugs to cure diseases will be lost.
(iii) The problem of global warming will reduce.
(iv) Water table will replenish.
A. (i) and (ii) only
B. (i), (ii) and (iii) only
C. (ii) and (iv) only
D. (i), (ii), (iii) and (iv)
Answer : A

Question. The material used to make which of the following items can also be used to make a box for transporting cooked food items in order to keep them hot?

Answer : B

Question. Which of the following statements is correct?
A. The mass movement of animals from one place to another is called hibernation.
B. Most materials from living resources are biodegradable.
C. Bones store essential body minerals like calcium and iron.
D. Rice, maize and hemp are rabi crops.
Answer : B

Question. Read the given classification chart carefully

Select the option which correctly completes the given classification chart.
A. X - Water, Y - Explosion, (i) - Maple (ii) - Cocklebur
B. X - Explosion, Y - Water, (i) - Milkweed (ii) - Hiptage
C. X - Water, Y - Explosion, (i) - Xanthium (ii) - Cherry
D. X - Explosion, Y - Water, (i) - Apple, (ii) - Cotton
Answer : A

Question. Which of the following options correctly represents the conditions present on land and water when a sea breeze flows?
           On land                        On water
A. High pressure                  Low pressure
B. High temperature             Low temperature
C. Low pressure                   Low pressure
D. Low temperature              High temperature
Answer : B

Question. When night becomes very cold, X freezes to form Y.
What can be X and Y here?
      X                         Y
A. Hail                   Snow
B. Dew                  Frost
C. Frost                 Dew
D. Snow                Hail
Answer : B

Question. In a newly cleared area three plants X, Y and Z were planted at the boundary. Plant X spread over the entire area with time, while plants Y and Z were found limited in the area near the boundary. Select the correct option regarding it.
A. Seeds of plant X are dispersed by explosion.
B. Seeds of plant Y are dispersed by wind.
C. Seeds of plant Z are dispersed by animals.
D. None of these
Answer : D

Question. The amount of sugar dissolved in three beakers P, Q and R is represented in the given graph.

Which of the following inferences can be made from this?
A. If all the beakers have equal amount of water, then beaker Q is at the highest temperature.
B. If all the beakers have equal temperature of water, then beaker P has the lowest amount of water.
C. If all the beakers have equal amount of water, then the beaker P is at the lowest temperature.
D. All of these
Answer : D

Question. Select the incorrect statement among the following.
A. The revolution period of a planet depends upon its distance from the Sun.
B. The rotation period of planet depends upon its distance from the Sun.
C. The duration of a day on a planet depends upon its rotatory speed.
D. The duration of a year on a planet depends upon its revolution period.
Answer : B

Question. What will happen when a flask of coloured water is placed in a container of hot water for some time, as shown here?

A. The water in the container will overflow.
B. The water level in the glass tube will fall.
C. The water level in the glass tube will rise.
D. The water in the container will become coloured.
Answer : C

Question. Study the given Venn diagram and select the position where Moon can be placed in this diagram.

A. P
B. Q
C. R
D. S
Answer : B

Question. Select the option that correctly represents the arrangement of Load (L), Fulcrum (F) and Effort (E) in a second class lever.

Answer : B

Question. Match the column I (characteristics or phenomenon) with column II (containing scrambled letters) and select the correct option from the given codes.

A. a - (iv), b - (iii), c - (v), d - (ii), e - (i)
B. a - (i), b - (ii), c - (iii), d - (iv), e - (v)
C. a - (ii), b - (i), c - (iv), d - (v), e - (iii)
D. a - (v), b - (iv), c - (ii), d - (i), e - (iii)
Answer : D

Question. The given graph shows temperature changes in a beaker of water. Select the incorrect option regarding it.

A. At point P, the beaker was in refrigerator.
B. At point Q, the beaker was put on fire to be heated.
C. At point R, the water in the beaker changed its phase from solid to liquid.
D. If heating is continued further after point S, gradually there will be no water left in the beaker.
Answer : C

Question. The following diagrams show lower jaw of four animals 1, 2, 3 and 4.

Which two animals have a similar diet?
A. Animals 1 and 2
B. Animals 2 and 4
C. Animals 3 and 4
D. Animals 1 and 3
Answer : B

Question. The given plant is different from the trees found near us like banyan, neem etc., in a basic feature. Select the correct option regarding it.

A. This plant is found in water.
B. This plant obtains its nutrition from other plants.
C. This plant obtains its nutrition completely from insects.
D. This plant has special leaves which snap shut when sense touch.
Answer : D

Question. Study the given classification chart. Which of the bones is classified incorrectly?

A. Thigh bone
B. Hip bone
C. Collar bone
D. Ribcage
Answer : A

Question. Clothes should be cared properly for their durability and hygiene. Select the correct option regarding care of clothes.
A. Moth balls should be placed in the cupboard but they should not touch the clothes.
B. Silk clothes should be washed with mild detergents.
C. Woollen clothes should be wrung very tightly before hanging for drying.
D. Both A and B
Answer : D

Question. The given table shows four parts of a bar magnet and the number of paper clips each part attracts.

By looking at the table, the two poles of the bar magnet are most likely to be at .
A. a and b
B. b and c
C. a and d
D. c and d
Answer : B

Question. Ritu has a toy puppy that can bark, jump, wag tail and move. Its eyes shine when patted. It is operated by a battery. Which of the following energy conversions do not take place in this puppy?
A. Chemical energy → Kinetic energy
B. Chemical energy → Sound energy
C. Chemical energy → Light energy
D. Chemical energy → Magnetic energy
Answer : D

Question. Study the two life cycles carefully.

Which of the following statements is true about the life cycles given here?
A. In both the life cycles, newly hatched young ones do not resemble the adults.
B. In both the life cycles, all stages occur in water.
C. In both the life cycles, the newly hatched young ones resemble the adults.
D. In both the life cycles, the adults moult many times.
Answer : A

Question. A freshwater river supports a large number of fish in its water. A new chemical factory is being established near this river. Select the graph that represents the most likely changes in the fish population in river in future. In graphs, Q represents the time point when factory is established.

Answer : C

Question. Figure P shows an object which is made of three different materials. Figure Q shows its shadow on a screen. Study these figures and select the option that correctly identifies any two of these materials.

A. 1 - Tissue paper,      2 - Cardboard
B. 2 - Cardboard,         3 - Cellophane sheet
C. 1 - Cardboard,         3 - Tracing paper
D. 2 - Frosted glass,    3 - Cardboard

Answer : C

ACHIEVERS SECTION

Direction : Refer to the given word grid and answer the questions a and b.

Question a. Which of the following materials is not hidden in this word grid?

A. The hardest material in the world.
B. Material sourced from plants that is used to fill pillows.
C. Material used to make transparent and delicate decoratives.
D. Clothing material that is obtained by killing young one of an animal.
Answer : D

Question b. A material having a six letter name starting with R is hidden in this word grid. Which of the following objects cannot be made using this material?
A. Truck tyres
B. Bulb
C. Eraser
D. Hose pipes
Answer : B

Question. Padma conducted an experiment as shown below by using different materials.

Padma pulled on the spring balance until the material was separated from the magnet. The readings on the spring balance were recorded as shown in the table below.

What conclusions could Padma make from her experiment?
(i) Soft iron needs the largest force in order to be separated from a magnet.
(ii) Nickel is most easily magnetised while soft iron is least easily magnetised.
(iii) Nickel and cobalt are non-magnetic materials.
(iv) Steel makes the strongest permanent magnet.
A. (i) only
B. (iii) and (iv) only
C. (i), (ii) and (iii) only
D. (iv) only

Answer : A

Question. Jai drew a graph which represented the amount of undigested food in different parts of our alimentary canal, during the process of digestion of a meal. The variables V to Z represent the organs of alimentary canal from mouth to anus.
Select the correct option regarding this.

A. The amount of undigested food should be zero at Z because digestion is completed before the food reaches anus.
B. The amount of undigested food at X and W should be interchanged because there is no digestion in oesophagus.
C. A decrease in the amount of undigested food should be first observed in Y only because intestine is the primary site of digestion.
D. Both A and B
Answer : B

Question. Rohit prepared three set-ups as shown here. He then poured 100 mL of water into each flask.

Which of the following assumptions holds true for the given experiment?
A. The highest amount of water will collect after 2 minutes in beaker M.
B. The least amount of water will collect after 2 minutes in beaker K.
C. The least amount of water will collect after 2 minutes in beaker L. 
D. The highest amount of water will collect after 2 minutes in beaker K.
Answer : B