Explore topic-wise MCQs in 6th Class.

This section includes 2267 Mcqs, each offering curated multiple-choice questions to sharpen your 6th Class knowledge and support exam preparation. Choose a topic below to get started.

151.

Which process is used to remove pulp from juice before drinking?

A. Hand picking
B. Sedimentation
C. Decantation
D. Filtration
Answer» E.
Discussion
152.

Which of the following methods is most suitable for obtaining a pure, dry sample of sodium chloride from a mixture of solid sodium chloride and sand?

A. Shake the mixture with water, filter and dry the residue on the filter paper.
B. Shake the mixture with water, filter and evaporate the filtrate.
C. Heat the mixture gently and collect the substance which sublimes.
D. Shake the mixture with water and filter it.
Answer» C. Heat the mixture gently and collect the substance which sublimes.
Discussion
153.

Mrs. Uma has put a wet cloth to dry as shown below. Which part of the towel will dry faster?

A. X
B. Y
C. Z
D. Either X or Y
Answer» D. Either X or Y
Discussion
154.

DIRECTIONS: The questions in this segment consists of two statements, one labelled as "Assertion A" and the other labelled as "Reason R ". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion A: A saturated solution is that solution which can dissolve any more of solute only on heating. Reason R: If a saturated solution is cooled some of the solute can be seen at the bottom of the container.

A. Both A and R are true and R is the correct explanation of A.
B. Both A and R are true but R is not the correct explanation of A.
C. A is true but R is false.
D. A is false but R is true.
Answer» C. A is true but R is false.
Discussion
155.

Which state of matter is easy to be compressed?

A. Liquid
B. Gaseous
C. Solid
D. Both (b) and (c)
Answer» C. Solid
Discussion
156.

Who of the following is correct? Mukesh: Melting of a copper plate is a reversible change Rajesh: Growth in a plant is a reversible change

A. Mukesh
B. Rajesh
C. Both are correct
D. Both are incorrect.
E. None of these
Answer» B. Rajesh
Discussion
157.

Which method is used to separate heavier and lighter components in a mixture by wind?

A. Hand picking
B. Threshing
C. Winnowing
D. Sieving
Answer» D. Sieving
Discussion
158.

Few changes are given below. Mark the correct option from the codes given below.                                 (i) Milk is set to form curd.            (ii) Batter is steamed to form idlis.      (iii) Water is boiled to form steam.      (iv) Salt is dissolved in water to form solution.

A. (i) (ii) (iii) (iv)  Physical  Physical  Chemical Chemical
B. (i) (ii) (iii) (iv)  Physical  Chemical Physical  Chemical
C. (i) (ii) (iii) (iv)  Chemical Chemical Physical  Physical
D. (i) (ii) (iii) (iv)  Physical  Chemical Chemical Physical
Answer» D. (i) (ii) (iii) (iv)  Physical  Chemical Chemical Physical
Discussion
159.

Presence of huge quantity of water vapor, methane, nitrous oxide and carbon dioxide in the atmosphere that reflect back heat on to the earth surface produces which one of the following?

A. Reflection of light
B. Green house effect
C. Holes in the ozone layer
D. All of these
E. None of these
Answer» C. Holes in the ozone layer
Discussion
160.

This process is used where the components of a mixture are of different sizes. This process is used at the construction sites to separate babbles and stones from sand. This process is carried out with the help of

A. sieve
B. thresher
C. separating funnel
D. None of these
Answer» B. thresher
Discussion
161.

Ocean water reaches us

A. by rivers
B. by ponds
C. by water cycle
D. All of these
Answer» D. All of these
Discussion
162.

DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 3 A list of objects is given as following: On the basis of this list of objects answer the following questions. A chair, a bullock cart, a cycle, a shirt, a rubber ball, a football, a glass marble, an apple, and orange. The number of round objects in the list are

A. 2
B. 3
C. 5
D. 7
Answer» D. 7
Discussion
163.

X is a separation technique used only when the components of a solid-solid mixture have different sizes. Identify X.

A. Winnowing
B. Sieving
C. Threshing
D. Magnetic separation
Answer» C. Threshing
Discussion
164.

DIRECTIONS: The questions in this segment consists of two statements, one labelled as "Assertion and the other labelled as "Reason R ". You are to examine these two statements carefully and decide if he Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation if the assertion. Select one of the current options, and given below in each questions. Assertion A: The process of conversion of liquid water to its vapours by heating the liquids called evaporation. Reason R: The process of conversion of water vapours to liquid by cooling the vapours is called condensation.

A. Both A and R are true and R is the correct explanation of A.
B. Both A and R are true but R is not the correct explanation of A.
C. A is true but R is false.
D. A is false but R is true.
Answer» C. A is true but R is false.
Discussion
165.

Which one of the following is a factor of air pollution?

A. (a) Vehicles
B. (b) Industries
C. (c) Plants
D. (d) Both (A) and (B)
E. (e) None of these
Answer» E. (e) None of these
Discussion
166.

Which one of the following characteristics is true about green plant?

A. Plants are unicellular
B. Plants are heterotrophs
C. Plants respond to environment
D. All of these
E. None of these
Answer» D. All of these
Discussion
167.

Which one of the following methods is used for separating wheat from their husk?

A. Winnowing
B. Hand - picking
C. Loading
D. Sieving
E. None of these
Answer» B. Hand - picking
Discussion
168.

Refer to the given figures X and Y; and select the incorrect statement regarding them.

A. In X, stem is modified to form tendril whereas in Y leaf is modified to form tendril.
B. Both X and Y are weak-stemmed plants.
C. X type tendrils are also found in passion flower whereas Y type tendrils are also found in Gloriosa.
D. In X, leaf is modified to form tendril whereas in Y, stem is modified to form tendril.
Answer» E.
Discussion
169.

DIRECTIONS: Read the passage (s) given below and answer the questions that/allow Passage - 1 Apart from drinking, there are so many activities for which we use water. Most of the water is in oceans and seas. We draw drinking water from taps which is further drawn from a well or a lake etc. We need water for which of the following?

A. Baking
B. Brushing
C. Cooking
D. All of these
Answer» E.
Discussion
170.

Which of the combinations is the odd one out?

A. Ink and water
B. Milk and water
C. Oil and water
D. Lime juice and water
Answer» D. Lime juice and water
Discussion
171.

Which one of the following is dependent on plants for its food?

A. Hippos
B. Fishes
C. Birds
D. All of these
E. None of these
Answer» E. None of these
Discussion
172.

Match the following: 1. Lama (i) Silk fiber 2. Scouring (ii) Food of silkworm 3. Cocoon (iii) Wool yielding animal 4. Mulberry leaves (iv) Cleaning fleece of sheep

A. 1 - (iii), 2 - (iv), 3 - (i), 4 - (ii)
B. 1 - (ii), 2 - (i), 3 - (iv), 4 - (iii)
C. 1 - (i), 2 - (iv), 3 - (iii), 4 - (ii)
D. 1 - (iii), 2 - (i), 3 - (iv), 4 - (ii)
E. None of these
Answer» B. 1 - (ii), 2 - (i), 3 - (iv), 4 - (iii)
Discussion
173.

How many vertebrae are there in our backbone?

A. 30
B. 31
C. 32
D. 33
E. None of these
Answer» E. None of these
Discussion
174.

DIRECTIONS: The questions in this segment consists of two statements, one labelled as "Assertion A" and the other labelled as "Reason R". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion A: Rain coats are made up of plastic like material. Reason R: Plastic is waterproof

A. Both A and R are true and R is the correct explanation of A.
B. Both A and R are true but R is not the correct explanation of A.
C. A is true but R is false.
D. A is false but R is true.
Answer» B. Both A and R are true but R is not the correct explanation of A.
Discussion
175.

The given flowchart was prepared by Natasha for sorting materials into different groups. She handed over the chart to her teacher with few blanks. Fill in the blanks from the given options.

A. P-Butter, Q-Honey, R-Salt, S-Metal ball, T-Kerosene oil, L/-Pencil
B. P-Salt, Q-Honey, R-Butter, S-Pencil, T-Kerosene oil, L/-Metal ball
C. P-Salt, Q-Butter, R-Honey, S-Metal ball, T-Pencil, L/-Kerosene oil
D. P-Pencil, Q-Honey, R-Butter, S-Salt, T-Kerosene oil, L/-Pencil
Answer» C. P-Salt, Q-Butter, R-Honey, S-Metal ball, T-Pencil, L/-Kerosene oil
Discussion
176.

A brief information about three substances is given :X: Transparent, smooth to touch and insulator.Y: Yellow in colour, good conductor of heat and electricity, lustrous.Z: Man made material, an insulator, used to make switches and handles of cooking utensils.X, Y and Z could be respectively

A. Water, copper, aluminium
B. Glass, gold, plastic
C. Paper, aluminium, copper
D. Silver, gold, copper.
Answer» C. Paper, aluminium, copper
Discussion
177.

Choose correct alternative to complete the given analogy. Muddy water: sedimentation: Butter from milk:

A. Filtration
B. Churning
C. Sublimation
D. Evaporation
Answer» C. Sublimation
Discussion
178.

The animals eat only flesh of other animals are called:

A. Herbivores
B. Carnivores
C. Omnivores
D. All of these
E. None of these
Answer» C. Omnivores
Discussion
179.

DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 3 Mohan's Mother bought rice from market. Before cooking rice Mohan and his mother observed that rice contains impurities such as pebbles, husk and chaff in it. Mohan said that he will not eat these rice as it contain various impurities. But his mother told him that before cooking these impurities are removed by different methods. Winnowing method is based on the difference in_____ of the component of the mixture:

A. colour
B. shape
C. weight
D. size
Answer» D. size
Discussion
180.

If opacity is the distinct feature of wood, then what is glass known for in the same way?

A. Its transparency
B. Its magnetic nature
C. Its conductivity to heat
D. Its lustrous nature
Answer» B. Its magnetic nature
Discussion
181.

Which one of the following is the property of sound waves?

A. Frequency
B. Amplitude
C. Eardrum
D. Both  and
E. None of these
Answer» E. None of these
Discussion
182.

Which of the following will cause a decrease in the water table at a place in future?

A. Lack of rain water harvesting infrastructure
B. Emmigration
C. Cloud seeding
D. Growing trees
Answer» B. Emmigration
Discussion
183.

If boiled milk is allowed to cool for sometime and is then poured on a piece of cloth, we find that cream (malai) is left behind on cloth. This process of separating cream from milk is

A. nitration
B. decantation
C. sedimentation
D. churning
Answer» B. decantation
Discussion
184.

Take 10 mL of water in 6 test tubes each and add different samples of substances to each test tube as shown in the given figure. Shake the test tubes vigorously for a couple of seconds and leave them undisturbed. In which of these test tubes, sample substances will remain insoluble in water?

A. 1, 2 and 3
B. 2, 3 and 4
C. 3, 4 and 5
D. 4, 5 and 6
Answer» D. 4, 5 and 6
Discussion
185.

Match the column I with column II and select the correct option from the codes given:    Column I Column II P. Chalk-water (i) A gaseous mixture mixture                               Q. Glucose solution  (ii) A solid-gas  mixture R. Fizzy drink   (iii) A homogeneous solid-liquid mixture S. Smoke       (iv) A heterogeneous solid-liquid mixture T. Air           (v) Agas-liquid mixture

A. P-(iii),Q-(iv),R-(v), S-(i),T-(ii)
B. P-(v), Q-(iii), R-(iv), S-(ii), T-(i)
C. P-(ii), Q-(i), R-(iv), S-(v), T-(iii)
D. P-(iv), Q-(iii), R-(v), S-(ii), T-(i)
Answer» E.
Discussion
186.

DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 1 Lemonade is prepared by mixing lemon juice an sugar in water. You extracted lemon juice from lemon and used some method to remove solid particles of pulp from it before mixing it with water. Now you add sugar and ice to the above solution before serving it. Which process have you used to remove pulp from lemon juice?

A. decantation
B. sedimentation
C. filtration
D. All of these
Answer» D. All of these
Discussion
187.

Rain water harvesting is a method employed to

A. stop soil erosion in a place.
B. raise the water table of a place.
C. decrease drought at a place.
D. decrease floods at a place.
Answer» C. decrease drought at a place.
Discussion
188.

DIRECTIONS: The questions in this segment consists of two statements, one labelled as "Assertion A" and the other labelled as "Reason R". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion A: Cotton is used in stuffing of soft toys Reason R: Cotton floats in water

A. Both A and R are true and R is the correct explanation of A.
B. Both A and R are true but R is not the correct explanation of A.
C. A is true but R is false.
D. A is false but R is true.
Answer» C. A is true but R is false.
Discussion
189.

Consider the following statements: Statement 1: The kinetic energy possessed by an object depends on the mass and velocity of the object. Statement 2: The kinetic energy possessed by an object depends only on the velocity of the object. Which one of the following is correct about the above statements?

A. Statement 1 is true and 2 is false
B. Statement 1 is false and 2 is true
C. Both statements are false
D. Both statements are true
E. None of these
Answer» B. Statement 1 is false and 2 is true
Discussion
190.

What process is used for separating heterogeneous mixtures of insoluble solid-in-liquid?

A. Filtration
B. Crystallization
C. Sublimation
D. Fractional distillation
Answer» B. Crystallization
Discussion
191.

Streamlined body is one of the adaptations found in:

A. Water animals
B. Desert animals
C. Mountain animals
D. Grassland animals
E. None of these
Answer» B. Desert animals
Discussion
192.

Read the given classification. Which of the following materials are used in the making of X and Y?

A. Wood metal
B. Plastic, glass
C. Bamboo glass
D. Bamboo/plastic
Answer» D. Bamboo/plastic
Discussion
193.

Select the one that is not made up of the same materials as others

A. Book
B. Note books
C. Table
D. All are made of the same material
Answer» D. All are made of the same material
Discussion
194.

Refer to the given paragraph. The two main types of root are X and Y. X roots are mostly found in plants having leaves with reticulate venation, while Y roots are mostly found in plants having leaves with parallel venation. Select the incorrect statement regarding X and Y.

A. Radish, turnip and carrot are modifications of X.
B. X is found in gram while Y is found in barley.
C. X spreads horizontally hence cannot provide strong anchorage whereas Y penetrates very deep into the soil hence provides strong anchorage.
D. In Y, primary root is short-lived while X has persistent primary root.
Answer» D. In Y, primary root is short-lived while X has persistent primary root.
Discussion
195.

What should come next in the following letter series? b  c  g  c  d  b  c  d  g  d  c  b  b  c  d  e?

A. d                     
B. e
C. f                                  
D. g
E. None of these
Answer» E. None of these
Discussion
196.

Directions: P, Q, R, S, T, U, V and W are sitting around a circle facing at the center. V is fourth to the right of P who is second to the right of S. T is second to the right of R who is not an immediate neighbour of V or S. Q is second to the right of U. Who is second to the right of W?

A. V                     
B. Q
C. R                                 
D. S
E. None of these
Answer» B. Q
Discussion
197.

Directions: P, Q, R, S, T, U, V and W are sitting around a circle facing at the center. V is fourth to the right of P who is second to the right of S. T is second to the right of R who is not an immediate neighbour of V or S. Q is second to the right of U. Who is third to the left of W?

A. S                                 
B. Q
C. T                     
D. P
E. None of these
Answer» C. T                     
Discussion
198.

The following groups of alphabets form a certain pattern with regard to their position in the English alphabetical series. Based upon the pattern, which of the following five alternatives shall replace the question mark? GIZ   FNK   QSJ   PXU?

A. VTB                             
B. ACT
C. TCA                             
D. BTV
E. None of these
Answer» C. TCA                             
Discussion
199.

Which of the following is the third largest number when each of the given numbers is added to the number obtained on reversing its digits?

A. 743                  
B. 534     
C. 863                  
D. 348
E. None of these
Answer» E. None of these
Discussion
200.

Which of the following is the second lowest number when each of the digits of the given numbers are arranged in descending order?

A. 836                  
B. 743      
C. 348                  
D. 534
E. None of these
Answer» C. 348                  
Discussion