CBSE Class 5 Science NSO Olympiad MCQs with Answers Set G

LOGICAL REASONING

Question. The given picture shows 7 dice. Find the total number of dots that are seen in this picture.

A. 21
B. 43
C. 104
D. 147
Answer : B

Question. In a certain code language BOARD is written as 51324 and SIDE is written as 9647. How will BASE be written in that code language?
A. 5397
B. 5937
C. 5697
D. 5297
Answer : A

Question. Mohit celebrates Sidak’s birthday on the third day after second Saturday of March 20XX. The date on Sidak's birthday is ________ .

A. 15^th March
B. 16^th March
C. 9^th March
D. 14^th March
Answer : A

Question. How many triangles will be needed to form the 10^th Figure in the given series?

A. 10
B. 14
C. 22
D. 24
Answer : C

Question. Choose the letter which will complete both the given words.

A. Z
B. W
C. R
D. E
Answer : B

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

Answer : A

Question. The bus is moving towards the hotel.

In which direction is the bus moving?
A. South
B. South-East
C. South-West
D. East
Answer : B

Question. Find the missing number, if a certain rule is followed row-wise or column-wise.

A. 200
B. 29
C. 120
D. 180
Answer : D

Question. Trishika and Samrath like Mercedes. Mini and Priya like Ferrari. Samrath, Trishika and Mini like Duster. 
Priya and Samrath like Audi.
Who like exactly three cars?
A. Trishika
B. Mini
C. Samrath
D. Priya
Answer : C

Question. Select the incorrect match of mirror images of the figures shown in the options

Answer : B

SCIENCE

Question. Study the given figure of a lunar cycle.

Answer : D

Question. Which form of energy would move the given cart ?

A. Mechanical energy
B. Solar energy
C. Electrical energy
D. Heat energy
Answer : A

Question. Sania had to prepare a list of voluntary actions of body. By mistake, she wrote some involuntary actions also in the list. Pick out the involuntary actions from the list prepared by Sania, shown below.
(i) Chewing food
(ii) Sitting upright on a table
(iii) Digestion of food
(iv) Beating of heart
(v) Singing a song
(vi) Dancing
(vii) Breathing
A. (i), (iii) and (v) only
B. (iii), (iv) and (vii) only
C. (ii), (iii) and (vi) only
D. (v) and (vii) only
Answer : B

Question. Fossil fuels form over a long period of time when heat and pressure are applied to ___________ .
A. N itrogen mixed in the water
B. Organisms buried in the ground
C. Carbon filtered through limestone
D. All of these
Answer : B

Question. Study the given flow chart carefully.

Cotton and metal are represented by the letters _______ and __________ respectively.
A. P, Q
B. Q, R
C. Q, S
D. R, S
Answer : C

Question. Read the given paragraph with few blanks and select the option that correctly fills these blanks.
Plants reproduce vegetatively by different means. Plants like ____________ reproduce with the help of leaves, ____________ and ____________ reproduce by stem and ____________ reproduces by roots. Some plants like mushrooms reproduce by ____________ .A. Bryophyllum, potato, turnip, ginger, spores
B. Begonia, onion, rose, sweet potato, seeds
C. Bryophyllum, rose, potato, turnip, spores
D. Begonia, potato, onion, sugarcane, seeds
Answer : C

Question. Ritu wrote down the steps of agricultural process as shown here.
Ploughing → Manuring → Irrigation → Sowing → Pesticide spray → Harvesting
Refer to these steps and select the correct optionr egarding them.
A. Irrigation can never be done before sowing.
B. Pesticide spray is done only after harvesting.
C. Sowing should be followed by ploughing.
D. Manuring can also be done after sowing.
Answer : D

Question. Which of the following migrating animals dies after reaching the place of its birth?

Answer : C

Question. Which among the following animals shows adaptation different from the other three?

Answer : B

Question. Three friends Mayank, Siddharth and Satish share a room. For last few months, Mayank and Siddharth are suffering from different diseases. Mayank has anaemia while Siddharth has diabetes. Now, from few days Satish is also feeling feverish. What could be the reason for this?
A. Satish is ill as he has contracted the disease from Mayank.
B. Satish is ill as he has contracted the disease from Siddharth.
C. Satish is ill due to some other cause.
D. Either A or B
Answer : C

Question. A break in continuity of a bone is called fracture.
Select the incorrect option regarding it.
A. As a first aid, one must ensure that the part fractured should not move.
B. Simple fractures can heal naturally if not disturbed.
C. A fractured bone cannot be repaired without medicines.
D. Fractures occur due to high force, impact or trauma.
Answer : C

Question. A lowland between two hills is called _________ .
A. Valley
B. Plateau
C. Delta
D. Estuary
Answer : A

Question. __________ is an example of second class lever.

Answer : B

Question. A burning candle was put in a glass jar containing a gas X and opening of glass jar was sealed with lid. The candle flame put off. The gas X could be ________.
A. N itrogen
B. Oxygen
C. Carbon dioxide
D. Both A and C
Answer : D

Question. A list of various actions is given below.
(i) Terrace farming
(ii) Deforestation
(iii) Making dams
(iv) Setting up new residential areas
(v) Volcanic eruption
(vi) Coal mining
Which of these actions do not lead to global warming?
A. (i) and (ii) only
B. (i) only
C. (ii), (iii), (iv) and (vi) only
D. (iii), (iv) and (v) only
Answer : B

Question. The number of pins attracted by four magnets P, Q, R and S of different shapes but equal weight is shown in the table. Which of these magnets can most probably be horse shoe shaped?

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

Question. A comet is different from a planet because _________ .
A. It has light of its own
B. Its orbit is more elliptical
C. It does not orbit around a host star
D. It is oval in shape
Answer : B

Question. Ruhi filled a syringe with matter X and sealed its opening. When she tried to push the plunger, she can push it down without much effort.
X can be ______________ .
A. Water
B. Oil
C. Clay
D. Gas
Answer : D

Question. P changes into Q state without involving an intermediate R stage. This process is called S. If P is naphthalene ball, then what can be Q, R and S respectively?
A. Liquid, solid, evaporation
B. Gaseous, liquid, melting
C. Solid, liquid, condensation
D. Gaseous, liquid, sublimation
Answer : D

Question. Select the object that works on the same type of energy conversion as an electric iron?

Answer : A

Question. Study the given graph carefully. Which pond contains water that is most likely not polluted?

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

Question. In our everyday life, we use pulley as in _______ .
A. Egg beater
B. Elevator
C. Door knob
D. Door hinges
Answer : B

Question. The given figure shows a leaf on which iodine test has been performed. It indicates that the part Y possibly did not have

A. Chlorophyll
B. Carbon dioxide
C. Sunlight
D. Any or all of these
Answer : D

Question. Which of the following food chains can exist in nature?
A. Grass → Grasshopper → Frog → Snake → Beetle
B. Seeds → Eagle → Sparrow → Owl
C. Plant → Frog → Snake → Peacock → Caterpillar
D. Grains → Sparrow → Eagle
Answer : D

Question. Starting from the first letter strike out every alternate letter and select the option that gives the method of food preservation in which food item is mixed with excess of oil and salt.
A. A F S R Q E Q E Q Z T I L N M G
B. J O P I T L U I V N S G O
C. R P O I Z C N K M L Q I R N S G V
D. T D O R A Y B I E N F G J
Answer : C

Question. Study the given flow chart. Which out of d, e, f, g or h best represents caravan and igloo respectively?

Caravan      Igloo
A. e                 f
B. f                  h
C. f                  e
D. g                 h
Answer : B

Question. Refer to the given figure of different blood vessels.
The arrows show the direction of the flow of blood. Which one of the following correctly describes blood X and blood Y?

Answer : A

Question. Three pupils were discussing an environmental issue as given below. The statement given by pupil, P3 is missing.
P₁ : Excessive smoke increases the amount of carbon dioxide in the air.
P₂ : This carbon dioxide does not let heat escape from the earth.
P₃ : _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
Which of these statements could be the statement of pupil, P3?
A. This causes an increase in earth's temperature.
B. This causes global warming.
C. This causes acid rain.
D. Either A or B
Answer : D

Question. Refer to the given conversation between two friends.
Ravi : Hi Jaya! Hope you are well! The sun is shining bright here and I am sweating very
badly. How is the weather at your place?
Jaya : I am surviving only with the help of icecreams and cold drinks.
What can be most likely guessed about the clothes of these two friends?

Answer : C

Question. Refer to the given figure.

Answer : A

Question. Select the incorrect match among the following.
(i) Chalk                   - Limestone
(ii) The Red Fort      - Sandstone
(iii) Silver                 - Metallic mineral
(iv) Petroleum          - Non-metallic mineral
(v) Granite               - Metamorphic rock
A. (i) and (iv) only
B. (v) only
C. (iii), (iv) and (v) only
D. (ii) only
Answer : B

Question. Refer to the given flow chart and select the option that identifies any one of P, Q and R.

A. P - Erupting volcano
B. R - Extinct volcano
C. Q - Dormant volcano
D. N one of these
Answer : D

Question. Study the given Venn diagram.

Which letters in the Venn diagram represent solid, liquid and gas?
  Solid        Liquid        Gas
A. T                V              S
B. P                V              R
C. Q               S              U
D. P                T              R
Answer : B

Question. 10 gms of three food components were taken and mixed with digestive juice from organ X under suitable conditions. The change in the amount of these food components after some time is shown here. The organ X can be ________.

A. Oesophagus
B. Mouth
C. Stomach
D. Small intestine
Answer : B

Question. Identify the parts labelled as P, Q, R and S in the figure shown below and select the correct option.

Answer : B

ACHIEVERS SECTION

Question. The amount of carbon dioxide in the air in an area was seen to change over a period of time as shown in the graph here.

Select the most suitable option regarding this.
A. A factory has been established in that area at time S.
B. Deforestation has been done in that area at time Q.
C. A new forest has been established there at point P.
D. Large number of vehicles run by fossil fuels have been introduced in that area at point R.
Answer : B

Question. Refer to the given flow chart. Which out of P, Q, R and S represent iron and petroleum respectively?

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

Question. Manya set up an experiment as shown here (plastic balls of equal size and weight). Which graph is correct regarding this setup?

Answer : B

Question. Study the table given below describing the characteristics of four animals W, X, Y and Z.

Which of the following is likely to be a beetle?
A. W
B. X
C. Y
D. Z
Answer : B

Question. Refer to the given flow chart and select the option that correctly identifies P, Q, R and S.

Answer : D