CBSE Class 5 Science NSO Olympiad MCQs with Answers Set F

LOGICAL REASONING

Questiion. If ‘fan’ is called ‘book’, ‘book’ is called ‘chair’ and ‘chair’ is called ‘window’, then on which of the following will a person sit?
A. chair
B. fan
C. book
D. window
Answer : D

Questiion. In which of the following options, Fig. (X) is exactly embedded as one of its part?

Answer : B

Questiion. Find the number from the options which will continue the given number pattern

A. 14
B. 13
C. 9
D. 18
Answer : D

Questiion. Some letters are given which are numbered 1, 2, 3, 4 and 5. Find the combination of numbers from the options so that letters are arranged accordingly to form a meaningful word.
O     Y      N     M      E
1      2      3      4      5
A. 4, 1, 3, 2, 5
B. 4, 1, 3, 5, 2
C. 4, 3, 1, 2, 5
D. 4, 5, 1, 3, 2
Answer : B

Questiion. Find the correct mirror image of the given combination of letters and numbers, if the mirror is placed vertically to the left.

Answer : A

Questiion. Which of the following is seventh to the left of the thirteenth element from the right end in the given arrangement?
2 P J @ 8 $ L B 1 V # Q 6 d G W 9 K C D 3 © ₤ 5 A R 7

A. L
B. G
C. ©
D. B
Answer : D

Questiion. There is a certain relationship between figures (i) and (ii). Establish the similar relationship between figures (iii) and (iv) by selecting a suitable figure from the options that will replace the (?) in fig. (iv).

Answer : B

Questiion. Find the missing character from the options, if a certain rule is followed row-wise or column-wise

A. L
B. M
C. K
D. P
Answer : C

Questiion. How many triangles are there in the given figure?

A. 23
B. 25
C. 28
D. None of these
Answer : A

Questiion. Among a group of six girls, Shikha is shorter than Ayushi but taller than Ritu. Sonam is the shortest.
Karuna is taller than Ritu but shorter than Payal. Payal is shorter than Shikha. Who is third, if the girls are arranged in ascending order of their heights?
A. Karuna
B. Payal
C. Ritu
D. Shikha
Answer : A

SCIENCE

Questiion. What is the main reason that some places on the Earth are warmer than others ?
A. The Sun is closer to some places than others.
B. The Sun stays above the horizon 24 hours a day at some places.
C. The rays of the Sun are direct at some places and slanting at others.
D. Some places experience warm seasons because of underground heat.
Answer : C

Questiion. Select the plant which is grown by a different method than the other three.
A. Potato
B. Rose
C. Sugarcane
D. Wheat
Answer : D

Questiion. If organ X is removed from our body, we will lose a large amount of water. Select the option, which on unscrambling gives name of the organ X.
A. NEISTTNIE
B. TSMOAHC
C. ACPENARS
D. IRVLE
Answer : A

Questiion. Match column I with column II and select the correct option from the given codes.
      Column I                Column II
(a) Cotton                 (i) Traditional dress
(b) Kimono               (ii) Natural fibre
(c) Wool                   (iii) Man-made fibre
(d) Nylon                 (iv) Makes us feel warm
A. (a)-(iv), (b)-(ii), (c)-(iii), (d)-(i)
B. (a)-(iii), (b)-(ii), (c)-(i), (d)-(iv)
C. (a)-(ii), (b)-(i), (c)-(iv), (d)-(iii)
D. (a)-(i), (b)-(ii), (c)-(iv), (d)-(iii)
Answer : C

Questiion. Which of the following diagrams correctly show what happens when a glass of ice and a glass of cooking oil are tilted?

A. (i) and (iii) only
B. (i) and (iv) only
C. (ii) and (iii) only
D. (ii) and (iv) only
Answer : C

Questiion. Which of the following is the best method of filtration of milky water ?

Answer : D

Questiion. Sarthak’s three friends are suffering from some diseases.
Ritika has rickets, Samyak has anaemia and Mayank has measles.
Which of them can communicate disease to him?
A. Ritika and Mayank only
B. Samyak and Mayank only
C. Mayank only
D. Ritika only
Answer : C

Questiion. Select the correct option among the following.
A. Siberian cranes come to India in summers.
B. Arctic tern travels the longest distance among the migratory birds.
C. Salmon swim long distances to reach sea to lay eggs.
D. Butterflies have short lifespan thus they do not migrate.
Answer : B

Questiion. Select the object which shows the same type of major energy conversion that occurs in object X.

Answer : D

Questiion. Advika sets up an experiment as shown in the picture.
After 10 minutes, no water can be seen in the bowl.
Which of the following materials sheet X could be made up of?

A. Plastic
B. Rubber
C. Cotton
D. Either A or B
Answer : D

Questiion. Refer to the given Venn diagram and select the correct option regarding X, Y and Z.

A. Organism X can be bat and Z can be ostrich.
B. There is no such organism as Z.
C. Organism Y can be penguin and Z can be emu.
D. There is no such organism as X.
Answer : B

Questiion. Ali studied two groups of things as shown in the table below.

He made the following inferences. Which one of the inferences is correct?
A. All non-biodegradable things are soft.
B. Biodegradable things come only from animals.
C. Most things obtained from living resources are biodegradable.
D. All of these
Answer : C

Questiion. Amit rushed towards a shelter when he saw a large sheet of ice and snow sliding down the slope. He was caught in a/an
A. Tsunami
B. Avalanche
C. Earthquake
D. Landslide
Answer : B

Questiion. To decrease soil erosion ________.
A. New plants should be grown in barren lands
B. Composting should be a regular practice
C. Terrace farming should be decreased, as it cuts down soil
D. New pastures should be made
Answer : A

Questiion. Study the given diagram showing the bending of an arm.

What is the condition of the muscles P and Q during bending of the arm?
A. Both muscles P and Q are relaxed.
B. Both muscles P and Q are contracted.
C. Muscle P is contracted while muscle Q is relaxed.
D. Muscle P is relaxed while muscle Q is contracted.
Answer : D

Questiion. Raman went to the doctor, on feeling illness. The doctor advised him to increase the uptake of eggs and cod fish and to sit regularly in the sun. What could be the most appropriate reason for this?
A. There is a high amount of calcium in his bones.
B. Raman has a deficiency disease called goitre.
C. Raman has increased chances of getting fracturesin  bones.
D. There is a low amount of iron in Raman’s diet.
Answer : C

Questiion. Given is a relationship between plants, based on the mode of seed dispersal.
Cotton : Madar : Drumstick
Which of the following plants show similar relationship?
A. Coconut : Lotus : Pine
B. Pine : Cotton : Coconut
C. Drumstick : Pine : Pea
D. Pea : Lady’s finger : Geranium
Answer : D

Questiion. A plant produces spongy fruits, which are light in weight and are waterproof. Its seeds are most likely dispersed in a similar manner as the seeds of _______.
A. Dandelion
B. Pea
C. Coconut
D. Tiger’s nail
Answer : C

Questiion. Which of the following cannot be observed in the case of an oil spill?
A. Beach surfaces coated with black, sticky mass.
B. Dead bodies of fish and other animals drifting ashore.
C. Birds with oil-coated feathers, that become unable to maintain body temperature.
D. None of these
Answer : D

Questiion. Refer to the given paragraph.
Agencies of wind and ______ break down ______ rocks into tiny fragments. The fragments are carried away by these agencies into rivers and seas where they sink to the bottom of the water bodies and form layers. These layers gradually form ______ rocks due to pressure.
Select the option that contains the correct sequence of words to fill in this paragraph.
A. Water, Sedimentary, Igneous
B. Temperature, Sedimentary, Igneous
C. Water, Igneous, Sedimentary
D. Temperature, Igneous, Sedimentary
Answer : C

Questiion. Which of the following conditions can lead to the process shown here?

A. Action of strong wind on rocks.
B. Freezing of water filled in rock crevices.
C. Temperature changes during day and night.
D. All of these
Answer : D

Questiion. The revolution period of three planets of our Solar System are given in the following table.

Which of the following conclusions can be made by using this data?
A. Planet Z is located nearer to Sun than Earth.
B. Planet X is located farther from Sun than Earth.
C. Planet X will be colder than Earth.
D. Planet Y will be hotter than Earth.
Answer : D

Questiion. Ritu prepared a set up as shown here. Which of the following conclusions can be made from the given experiment?

A. Object Y can be a magnet and object X can be made up of copper.
B. Object X can be a magnet and object Y can be made up of copper.
C. The force exerted by object X on object Y is stronger than gravitational force and is in its opposite direction.
D. The force exerted by object Y on object X is stronger than gravitational force and is in its opposite direction.
Answer : C

Questiion. Meetu has four sheets made of different materials. She arranges the sheets R, S, T and U in a straight line.
When the torch is switched on, a bright circular patch of light is seen on sheet S only.

Which of the following conclusions can be made from this?
A. Sheet R is made of an opaque material.
B. Sheet S is made of a transparent material.
C. Sheet T is made of a translucent material.
D. Sheet U is made of an opaque material.
Answer : D

Questiion. Which of the following is an incorrect match of the everyday object and the simple machine involved in its functioning?
A. Elevator – Pulley
B. Escalator – Wedge
C. Pepper mill – Wheel and axle
D. Ladder – Inclined plane
Answer : B

Questiion. Different states in India have different traditional dresses, that can be easily recognised.

Based on this, what can be determined about Aparna?
A. She is from the state that has the Gateway of India.
B. She is from the state that is famous for bhangra dance.
C. She is from the state that has desert.
D. She is from the state that has Hoogli river.
Answer : A

Questiion. Tanvi performed an iodine test on a leaf and the result is shown here.
Which of the following conclusions can be made from this?

                X                                  Y
A. Had chlorophyll              Lacked chlorophyll
B. Received sunlight           Lacked sunlight
C. Lacked CO₂                     Received CO₂
D. Received water              Lacked water
Answer : C

Questiion. Garima was drinking water when suddenly, she got choked. The water might have entered her _______ instead of entering _______.
A. Oesophagus, Food pipe
B. Food pipe, Windpipe
C. Windpipe, Oesophagus
D. Food pipe, Oesophagus
Answer : C

Questiion. Animal X has the following characteristics :
• Gives birth to its young ones.
• Has outer body covering of hair.
• Has four legs.
• Lives in a grassland habitat.
• Eats only plants.
Which one of these animals could be animal X?
A. Gorilla
B. Jaguar
C. Grasshopper
D. Zebra
Answer : D

Questiion. Study the given table

Select the option that correctly identifies the objects P, Q and R. 

Answer : B

Questiion. Three gears are placed in such a way that when one gear turns, the other two also turn. Select the option that correctly shows the movement of gears X and Z when gear Y is set in motion

Answer : A

Questiion. For which of the following lever systems, the least effort would be applied to lift the same load of 10 Kgs?
(The length of the lever bar is 8 m in all the four set ups.)

Answer : D

Questiion. Which of the following statements are incorrect?
(i) There is no water or air on the Moon.
(ii) The temperature on the Moon during day time is 50°C.
(iii) The gravitational pull of the Moon is about onethird of that of the Earth.
(iv) Moon completes one rotation in every 28 days.
A. (i) and (ii) only
B. (ii) and (iii) only
C. (i) and (iv) only
D. (i) and (iii) only
Answer : B

Questiion. Which of the following statements is correct about the water purification process shown in the given diagram?

A. In R, the liquid phase of water changes into gas phase.
B. P contains a mixture while Q contains a pure liquid.
C. P contains a pure liquid while Q contains a mixture.
D. In R, there is no change in the phase of water.
Answer : B

Questiion. The given diagrams show the shapes of the Moon on different nights.

Answer : B

ACHIEVERS SECTION

Questiion. A U-tube is immersed in ice water as shown in the figure. X and Y are the red ink droplets present inside the tube.

What will you observe after some time?
A. X will move downwards and Y will move upwards.
B. X will move upwards and Y will move downwards.
C. X and Y will move upwards.
D. X and Y will move downwards.
Answer : D

Questiion. The given diagram shows the life cycle of a plant.

Which of the following statements are true regarding it?
(i) Sunlight is not needed at stage Q.
(ii) Photosynthesis takes place only at stages R and S.
(iii) Stage P is not affected by what happens at stage T.
(iv) The seed at stage P needs air, water and warmth to reach stage Q.
A. (i) and (iv) only
B. (ii) and (iii) only
C. (i), (ii) and (iii) only
D. (i), (ii), (iii) and (iv)
Answer : A

Questiion. Three metals X, Y and Z show different expansion properties when heated. The metal X expands more than Y and metal Y expands more than Z.
Siddhi has made a circuit for a fire alarm in which she wants to use a bimetallic strip to cause completion of the circuit (shown in figure) so that the alarm bell can ring.

Answer : B

Questiion. Megha used the five items shown in the picture to learn more about magnets.

Answer : A

Questiion. The figures P and Q represent the movement of two types of joints in our body.
Select the incorrect statement about the joints represented.

A. Joint P is found between our backbone and skull
B. Joint Q is found between the bones of our wrist and ankles.
C. Joint P’s movement can be compared to the movement of a joystick on computer. 
D. All of these
Answer : C