Explore topic-wise MCQs in 4th Class.

This section includes 448 Mcqs, each offering curated multiple-choice questions to sharpen your 4th Class knowledge and support exam preparation. Choose a topic below to get started.

151.

A person who smokes damages his or her __________.

A.  Eyes                
B.  lungs          
C.  Stomach          
D.  ears
Answer» C.  Stomach          
152.

Pancreas pour its digestive juice into the

A.  Mouth                  
B.     stomach
C.  Large intestine        
D.  small intestine
Answer» E.
153.

The germs form a yellow sticky layer on our teeth when not cleaned properly and harm them. What is this layer called?

A.  Enamel
B.         Plaque 
C.         Dentine
D.         Floss                           
Answer» C.         Dentine
154.

Which of these organs can be transplanted from a healthy person to a patient?

A.  Liver               
B.  Kidney             
C.  Heart              
D.  All of these
Answer» E.
155.

'X' is the digestive liquid secreted inside our mouth. What is ' X'?

A.  Blood              
B.  Plasma              
C.  Saliva             
D.  Bile
Answer» D.  Bile
156.

Match the following:      (2016)  Heart 1. is located between the stomach and the anus.  Stomach 2. are paired organs  Intestine 3. digests food  Lungs 4. is a hollow, muscular organ

A.  A-2         B-3       C-1       D-4
B.  A-4         B-1       C-3       D-2
C.  A-4         B-3       C-2       D-1
D.  A-4         B-3       C-1       D-2
Answer» E.
157.

Which type of canned milk is made by removing half of the water from whole milk? It is then highly sweetened; as a result this milk has very high calories.

A.  Sweetened condensed    
B.  Pasteurized
C.  Homogenized     
D.               Skimmed
Answer» B.  Pasteurized
158.

Which one of the following organs is specialized for filtering water from blood?

A.  Heart                  
B.       Lung
C.  Liver                    
D.         Kidney
Answer» E.
159.

Kidney removes waste products from our body. What are the waste products that are removed by kidney?                                                                                                                                 (2017)

A.  Urea and water   
B.                      Carbon dioxide and Water
C.  Urea and salts     
D.                     Urea, water and Salts
Answer» E.
160.

When something delicious is cooked in our kitchen, we smell it and can imagine its taste. How is it possible?                                                                                                                                     (2016)

A.  Sense of smell and taste are linked
B.  Nose and tongue are close to each other
C.  Smell itself shows taste
D.  All of these
Answer» B.  Nose and tongue are close to each other
161.

Match the following and select the correct answer.                                                             (2017) 1.Saliva mixes with food   2. Absorption of food takes place 3. Secretes bile juice   4. Churning of food takes place 

A.  A-1. B-2, C-3, D-4
B. A-4. 6-3, C-4. D-1
C. A-2, B-4, C-1, D-3
D. A-3, B-1, C-A, b- 2
Answer» C. A-2, B-4, C-1, D-3
162.

In the figure given below, urine is stored in:

A.  P                                    
B.  Q                   
C.  R                                
D.     S
Answer» E.
163.

Which of the following systems is responsible for controlling all the activities in t human body?

A.  Excretory system                
B.  Circulatory system
C.  Respiratory system
D.               Nervous system
Answer» E.
164.

Match the following and select the correct answer.                              (2017) A.   Kidney 1. Control and coordination B.   Brain 2. Sense of hearing C.   Tongue 3.  Nitrogenous waste D.   Ear 4.  Taste buds

A.  A-l, B-2, C-3, D-4
B.    A-4, 6-3, C-4, D-l
C.  A-2, B-4, C-l, D-3
D.        A-3, B-l, C-A, b- 2
Answer» E.
165.

The excretory system works to remove wastes from the body. The body produces liquid, solid and gaseous wastes. Which organ is responsible for eliminating liquid waste?

A.  Lungs                          
B.  Heart
C.  Kidneys                       
D.         Small intestine
Answer» D.         Small intestine
166.

A person who smokes damages his or her _______.

A.  Eyes                
B.  Lungs  
C.         Stomach          
D.         Ears
Answer» C.         Stomach          
167.

A runner participating in a race takes some glucose just before the race begins. This means that glucose                                                                                                                                      (2015)

A.  makes running easier,               
B.  Builds muscles instantly.
C.  Gives energy instantly,                 
D.  stops sweating of the body.
Answer» D.  stops sweating of the body.
168.

Match the internal organs shown in the figure with their respective names. P Q R S

A.  P- Heart, Q-Lungs. R-Kidney, S-Stomach
B.  P-Lungs, Q-Kidney, R-Stomach, S-Heart
C.  P-Heart, Q-Lungs, R-Stomach, 5-Kidney
D.  P-Heart, Q-Kidney, R-Lungs, S-Stomach
Answer» E.
169.

Which of these is a method of cooking?

A.  Drying             
B.  Roasting          
C.         Jellying
D.         All of these                   
Answer» C.         Jellying
170.

The food that has the right amount of all nutrients our body needs, is called _______.

A.  Healthy food    
B.  Balanced diet
C.         Fast food         
D.         Fantastic diet    
Answer» C.         Fast food         
171.

Which of the following correctly represents the passage of oxygen in the respiratory system?      (2016)

A.  Nose \[\to \] Lungs \[\to \] Wind pipe \[\to \]Blood
B.  Nose \[\to \]Blood \[\to \]Wind pipe \[\to \]Lungs
C.  Nose \[\to \]Blood \[\to \]Lungs \[\to \]Wind pipe
D.  Nose \[\to \]Wind pipe\[\to \] Lungs \[\to \]Blood
Answer» E.
172.

How many teeth do adult human beings have?

A.  20                               
B.  26                   
C.  32                   
D.         42                   
Answer» D.         42                   
173.

What is the outermost part of the tooth called?

A.  Dentine            
B.  Enamel
C.  Pulp                
D.  None of these               
Answer» C.  Pulp                
174.

Which one of the following systems is responsible for exchanging the information between body parts and the brain?                                                                                                                                  (2017)

A.  Excretory system
B.  Respiratory system
C.  Nervous system   
D.       Circulatory system
Answer» D.       Circulatory system
175.

Which of these is partially digested in the mouth?

A.  Carbohydrates.
B.         Proteins           
C.  Fats                
D.  Vitamins                      
Answer» B.         Proteins           
176.

Which of the following is an artificial device used to regulate heartbeat?

A.  Stethoscope     
B.  Electrocardiograph
C.  Pacemaker
D.  Ultrasound machine
Answer» D.  Ultrasound machine
177.

The nerves that carry the messages from the sense organs to the spinal cord or brain are   (2016)

A.  Sensory nerves
B.  motor nerves
C.  Both [A] and [C]
D.  none of the above
Answer» B.  motor nerves
178.

Pancreas pours its digestive juice into the

A.  Mouth             
B.  Stomach          
C.         Large intestine
D.         Small intestine. 
Answer» E.
179.

The nutrients that protect our body from various diseases and keep us fit and healthy are    (2017)

A.  Carbohydrates and fats            
B.  Proteins and vitamins
C.  Roughage and minerals            
D.  Vitamins and minerals
Answer» E.
180.

Which of the following is correct regarding the person who is suffering from cardiac problem?

A.  He is having problem in his eyes.
B.  He is having problem in his legs.
C.  He is having problem in his heart.
D.  He is having problem in his lungs.
Answer» D.  He is having problem in his lungs.
181.

Which kind of food gives us strength to fight against diseases?

A.  Carbohydrate rich food  
B.  Fat rich food
C.  Protein rich food 
D.                     Vitamin and mineral rich food
Answer» E.
182.

The undigested fibre in our food that helps in removing waste from our body is _______.

A.  Roughage                     
B.  Minerals           
C.         Bile                 
D.         Saliva             
Answer» B.  Minerals           
183.

Brain is protected by a bony structure called ______.                                (2016)

A.  Ribcage           
B.  skull                
C.  Spinal cord   
D.  bladder
Answer» C.  Spinal cord   
184.

Which of these is a way of preserving food?

A.  Freezing           
B.         Canning           
C.         Drying 
D.         All of these                   
Answer» E.
185.

Which of the following food components are needed in small quantities?     (2015)

A.  Proteins           
B.  Vitamins     
C.  Fats                
D.  Carbohydrates
Answer» C.  Fats                
186.

Which of the following can be prepared with the help of sunlight?

A.  Proteins           
B.  Vitamin B      
C.  Vitamin D      
D.         Magnesium.
Answer» D.         Magnesium.
187.

Which of these can be eaten raw, after washing?

A.  Brinjal
B.        Potato            
C.  Pumpkin      
D.  Carrot
Answer» E.
188.

The food pipe transports food from the mouth to the stomach. What is the other name for the food pipe?

A.  Duodenum                   
B.  Appendix         
C.  Oesophagus     
D.  Anus               
Answer» D.  Anus               
189.

Which of the following figures is symmetrical?

A.           
B.      
C.      
D.         
Answer» E.
190.

Put or = to make the expression true. \[\text{DCLXXXIV }\square \text{ MDCCCXCIII}\]

A.  =                               
B.  >
C.  <                   
D.         Can't be determined
Answer» D.         Can't be determined
191.

Mini observed that 2 butterflies had 12 legs in all. If she saw 35 butterflies in her garden, how many legs of butterflies did she see altogether?

A.  182                            
B.  209    
C.  315                
D.  210
Answer» E.
192.

In the given figure, how many more squares should be shaded so that\[\frac{4}{5}\], of the figure is shaded?

A.  2                                
B.  3                    
C.  4                    
D.         8                    
Answer» E.
193.

Smallest factor of a number is ___ and smallest positive multiple of a number is ____.

A.  1, Number itself         
B.  0, Number itself
C.         Number itself, 1
D.        0, 1
Answer» B.  0, Number itself
194.

Trishika is facing the Museum. If she turns \[\frac{3}{4}\] in the anticlockwise direction and then \[\frac{1}{2}\] towards her right, what will she be facing now?

A.  House            
B.  Hospital         
C.         Park   
D.         Museum                     
Answer» C.         Park   
195.

Varun made a shape by folding the given cardboard along dotted lines. Which shape did Varun make?

A.                        
B.        
C.           
D.           
Answer» D.           
196.

How many meaningful words could be formed with the third, fifth, fifteen and seventeenth letters of alphabets given below? If more than two words are formed give M as the answer, if no such word is formed give X as the answer. A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

A.  2                                
B.  1                    
C.  M                   
D.         X
Answer» E.
197.

Amit and Riya baked cookies that they are selling to raise money for books for poor children. Each box of 6 cookies costs ` 55. Aunt Salma buys 5 boxes, Mr. Rao buys 3 boxes. Grandma Patil buys 11 boxes and Mrs. lyer buys 9 boxes. How much money have Amit and Riya collected so far?

A.  ` 1,540                      
B.  ` 2,856          
C.         ` 1,695          
D.         ` 1,978          
Answer» B.  ` 2,856          
198.

Raju cleaned \[\frac{3}{7}\] of the floor. What is the fraction of the floor left to be cleaned?

A.  \[\frac{2}{7}\]                                   
B.  \[\frac{3}{7}\]                       
C.  \[\frac{4}{7}\]                       
D.         \[\frac{5}{7}\]
Answer» D.         \[\frac{5}{7}\]
199.

Eight girls are in the queue of science museum ticket counter. How many girls are behind Trishu, if two more girls are added in the queue?

A.  7                                
B.  5                    
C.  4                    
D.         8                    
Answer» B.  5                    
200.

Football matches are played in 2 halves with a break in between. Each half lasts for 45 minutes. If the game started at 4:15 pm, at what time did the first half end?

A.  4:45 pm                     
B.  5:00 pm         
C.         5:15 pm         
D.         5:30 pm
Answer» C.         5:15 pm