Explore topic-wise MCQs in 7th Class.

This section includes 2637 Mcqs, each offering curated multiple-choice questions to sharpen your 7th Class knowledge and support exam preparation. Choose a topic below to get started.

1001.

Is this statement correct or in correct Extracellular digestion takes place in small Intestine.

A. Large: Intestine           
B. Small Intestine
C. Stomach                     
D. None of these
Answer» C. Stomach                     
1002.

Which is NOT true for vim?

A. These increase the surface area for absorption of digested food.
B. These are small finger like projections.
C. Villi protects the inner lining of stomach
D. They absorb digested food materials.
Answer» D. They absorb digested food materials.
1003.

Which statement is correct-?

A. Breakdown of complex substance into simpler substance is called peristalsis.
B. The process of passing of digestive food into blood vessels in the Intestine is called peristalsis.
C. Movement of food through alimentary canal by the wave like movement controlled by involuntary muscles is called Peristalsis.
D. The process of utilization of glucose, amino acid is called peristalsis.
Answer» D. The process of utilization of glucose, amino acid is called peristalsis.
1004.

DIRECTION: Carefully observe pictures given below and answer the following questions. Different sets of taste buds are located in specific areas of the tongue. In the given figure which part will tell you that food is sweet?

A. P                     
B. Q
C. R                                 
D. S
Answer» B. Q
1005.

DIRECTION: Carefully observe pictures given below and answer the following questions. In the given picture, the part shown as ?X? is

A. Small intestine
B. Large intestine
C. Rectum                                  
D. anus
Answer» D. anus
1006.

Which of the following animals pops out its stomach through its mouth to eat the food?

A.  Hydra                                  
B.  Starfish               
C.         Amoeba             
D.         Snail                     
Answer» C.         Amoeba             
1007.

DIRECTIONS: Read the following two statements carefully and choose the correct options. (i) Blood vessels and nerves of a tooth are present in pulp (ii) Study of teeth in called dentistry

A. Statement (i) is correct while statement (ii) is incorrect.
B. Statement (ii) is correct while statement (i) is incorrect.
C. Both statements are correct.
D. Both statements are incorrect.
Answer» D. Both statements are incorrect.
1008.

DIRECTIONS: Read the following two statements carefully and choose the correct options. (i) Extracellular digestion takes place in small intestine (ii) Digestion does not take place in stomach

A. Statement (i) is correct while statement (ii) is incorrect.
B. Statement (ii) is correct while statement (i) is incorrect.
C. Both statements are correct.
D. Both statements are incorrect.
Answer» B. Statement (ii) is correct while statement (i) is incorrect.
1009.

DIRECTIONS: The questions in this segment consist of two statements, one labeled as "Assertion A" and the other labeled 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 code. Given below. Assertion A: Liver secretes a juice called bile juice. Reason R: Bile juice is stored in liver.

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» D. A is false but R is true.
1010.

DIRECTIONS: The questions in this segment consist of two statements, one labeled as "Assertion A" and the other labeled 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 code. Given below. Assertion A: The small intestine is about 7.5m long and highly coiled. Reason R: It is smaller as compared to large intestine.

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» D. A is false but R is true.
1011.

DIRECTIONS: The questions in this segment consist of two statements, one labeled as "Assertion A" and the other labeled 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 code. Given below. Assertion A: Tongue is a fleshy muscular organ. Reason R: Tongue is used for talking.

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.
1012.

DIRECTIONS: Read the passage given below and answer the questions that follow. Passage - 3 Amoeba is a microscopic single-celled organism found in pond water. It has a cell membrane, a rounded, dense nucleus and many small bubble-like vacuoles in its cytoplasm. Amoeba constantly changes it shape and position. It pushes out one or more finger-like projections, called pseudopodia or false feet, for movement or capture of food. For capture of food, Amoeba

A. pushes out one finger-like projection
B. pushes out one or more finger-like projections
C. both the above are correct
D. one of the above is correct
Answer» C. both the above are correct
1013.

DIRECTIONS: Read the passage given below and answer the questions that follow. Passage - 3 Amoeba is a microscopic single-celled organism found in pond water. It has a cell membrane, a rounded, dense nucleus and many small bubble-like vacuoles in its cytoplasm. Amoeba constantly changes it shape and position. It pushes out one or more finger-like projections, called pseudopodia or false feet, for movement or capture of food. Amoeba

A. is a single-celled organism
B. has a rounded, dense nucleus
C. has many small bubble-like vacuoles in its cytoplasm
D. all the above are correct
Answer» E.
1014.

DIRECTIONS: Read the passage given below and answer the questions that follow. Passage - 3 Amoeba is a microscopic single-celled organism found in pond water. It has a cell membrane, a rounded, dense nucleus and many small bubble-like vacuoles in its cytoplasm. Amoeba constantly changes it shape and position. It pushes out one or more finger-like projections, called pseudopodia or false feet, for movement or capture of food. A unicellular organism that has contractile vacuoles and in which ingestion of food takes place with the help of cilia is

A. Amoeba          
B. Yeast
C. Paramecium     
D. None of these
Answer» D. None of these
1015.

Mechanism in which amoeba takes in \[{{O}_{2}}\] and gives out \[C{{O}_{2}}\]is called _______.

A. Respiration                 
B. Diffusion
C. Assimilation                
D. Absorption
Answer» C. Assimilation                
1016.

Herbivores do not produce enzymes that digest cellulose. How does the cellulose in their food get digested?

A.  Algae in their gut convert the cellulose into simple sugars.
B.  Bacteria in their gut convert the cellulose into glucose.
C.  Viruses in their gut convert the cellulose into simple sugars.
D.  Fungi in their gut convert the cellulose into simple sugars.
Answer» C.  Viruses in their gut convert the cellulose into simple sugars.
1017.

DIRECTIONS: Read the passage given below and answer the questions that follow. Passage - 2 We can easily see cows, buffaloes and other grass- eating animals chewing continuously even when they are not eating. In fact, such animals quickly swallow the grass and store it in a part of stomach called rumen. Here the food gets partially digested and is called cud. Later the cud returns to the mouth in small lumps and the animals chew it. Select the part of body of ruminants in which the cellulose of their food is digested.

A. Small intestine            
B. Large intestine
C. Caecum         
D. None of these
Answer» D. None of these
1018.

DIRECTIONS: Read the passage given below and answer the questions that follow. Passage - 2 We can easily see cows, buffaloes and other grass- eating animals chewing continuously even when they are not eating. In fact, such animals quickly swallow the grass and store it in a part of stomach called rumen. Here the food gets partially digested and is called cud. Later the cud returns to the mouth in small lumps and the animals chew it. In which of the following is grass rich?

A. Cellulose    
B. Starch
C. Proteins         
D. None of these
Answer» B. Starch
1019.

DIRECTIONS: Read the passage given below and answer the questions that follow. Passage - 2 We can easily see cows, buffaloes and other grass- eating animals chewing continuously even when they are not eating. In fact, such animals quickly swallow the grass and store it in a part of stomach called rumen. Here the food gets partially digested and is called cud. Later the cud returns to the mouth in small lumps and the animals chew it. How is food ingested by grass-eating animals?

A. by chewing     
B. by siphoning
C. by swallowing             
D. by sucking
Answer» D. by sucking
1020.

DIRECTIONS: Read the passage given below and answer the questions that follow. Passage - 1 The food components gradually get digested as food travels through the various components of alimentary canal. The digested food can pass into the blood vessels in the walls of the small intestine. The saliva breaks down

A. Starch into sugar
B. Sugar into glucose
C. Fats into fatty acids
D. All of the above are correct
Answer» B. Sugar into glucose
1021.

DIRECTIONS: Read the passage given below and answer the questions that follow. Passage - 1 The food components gradually get digested as food travels through the various components of alimentary canal. The digested food can pass into the blood vessels in the walls of the small intestine. The part of our body which contains salivary glands which secrete saliva is

A. Mouth          
B. tongue
C. Teeth                          
D. all of these
Answer» B. tongue
1022.

 DIRECTIONS: Match Column-I with Column-II and select the correct answer using the codes given below the columns. Column - I Column - II (A) Number of molars in a jaw (p) 4 (B) Number of premolars in a jaw (q) 2 (C) Number of canine in a jaw (r) 6 (D) Number of incisor in both jaws (s) 8

A. (A) \[\to \] (p), (B) \[\to \] (q), (C) \[\to \] (r), (D) \[\to \] (s)
B. (A) \[\to \] (r), (B) \[\to \] (p), (C) \[\to \] (q), (D) \[\to \] (s)
C. (A) \[\to \] (q), (B) \[\to \] (p), (C) \[\to \] (r), (D) \[\to \] (s)
D. (A) \[\to \] (s), (B) \[\to \] (r), (C) \[\to \] (q), (D) \[\to \] (p)
Answer» C. (A) \[\to \] (q), (B) \[\to \] (p), (C) \[\to \] (r), (D) \[\to \] (s)
1023.

DIRECTIONS: Read the passage given below and answer the questions that follow. Passage - 1 The food components gradually get digested as food travels through the various components of alimentary canal. The digested food can pass into the blood vessels in the walls of the small intestine. The digestive system consists of

A. Digestive tract
B. Digestive tract and liver
C. Digestive tract and pancreas
D. Digestive tract and the associated glands
Answer» E.
1024.

DIRECTIONS: Match Column-I with Column-II and select the correct answer using the codes given below the columns. Column - I Column - II (A) Food Pipe (p) Digestive tract (B) Alimentary canal (q) Oesophagus (C) Stomach (r) Flattened U Shape (D) Widest part of alimentary canal (s) Stomach

A. (A) \[\to \] (p), (B) \[\to \] (q), (C) \[\to \] (r), (D) \[\to \] (s)
B. (A) \[\to \] (q), (B) \[\to \] (r), (C) \[\to \] (s), (D) \[\to \] (p)
C. (A) \[\to \] (q), (B) \[\to \] (p), (C) \[\to \] (r), (D) \[\to \] (s)
D. (A) \[\to \] (r), (B) \[\to \] (s), (C) \[\to \] (q), (D) \[\to \] (p)
Answer» D. (A) \[\to \] (r), (B) \[\to \] (s), (C) \[\to \] (q), (D) \[\to \] (p)
1025.

Which of the following is not correct for small intestine?

A. It is about 1.5m long
B. It is about 7.5m long
C. (c) Its walls secrete juices
D. It receives secretions from liver.
Answer» B. It is about 7.5m long
1026.

 A unicellular protozoan is ________.

A. Paramecium               
B. Amoeba
C. Euglena          
D. Hydra
Answer» C. Euglena          
1027.

The diagram shows various parts of a human tongue. Which labelled part of tongue is sensitive to the sweet taste?

A.  P                                           
B.  Q                           
C.  R                           
D.         S
Answer» D.         S
1028.

What do all organisms need to survive?

A. Energy            
B. blood
C. Carbon dioxide           
D. soil
Answer» B. blood
1029.

The walls of the large intestine absorb water from which of the following substances?

A.  Digestive juices               
B.  Digested food
C.         Undigested food
D.         Cellulose
Answer» E.
1030.

Select the ruminants from the following

A. Camel             
B. Giraffe
C. Deer                            
D. All of these
Answer» E.
1031.

Which animal use tentacles to catch its prey?

A.  Snail                                     
B.  Hydra  
C.         Starfish               
D.         Amoeba
Answer» D.         Amoeba
1032.

When glucose breaks down in the cells with the help of oxygen it results in the formation of

A. Carbon dioxide           
B. water
C. Both the above           
D. none of these
Answer» D. none of these
1033.

Which word completes the statement given in the box? \[\text{Sugar+Microbes}\to \]

A.  Starch                                 
B.  Enamel               
C.  Acids                                   
D.  Dentine                              
Answer» C.  Acids                                   
1034.

The process of change of digested absorbed substances into complex substances and its use is called

A. Absorption                  
B. assimilation
C. Both the above           
D. none of these
Answer» C. Both the above           
1035.

Match the following teeth in Column-I with their functions in Column-II. Column-I Column-II (a) Incisors (i) Grinding teeth (b) Canines (ii) Cracking teeth (c) Premolars (iii) Cutting teeth (d) Molars (iv) Tearing teeth

A. (a)-(iii), (b) (ii), (c)-(i), (d)-(iv)
B. (a)-(iv), (b)-(iii), (c)-(ii), (d)-(i)
C. (a)-(i), (b)-(ii), (c)-(iii), (d)-(iv)
D. (a)-(iii), (b)-(iv), (c)-(ii), (d)-(i)
Answer» E.
1036.

The intestinal juice changes fats into

A. Fatty acids                  
B. glycerol
C. Both the above           
D. none of these
Answer» D. none of these
1037.

Which statement is true about Peristalsis?

A.  The wearing out of colour on the parts of leaves due to lack of carbon dioxide and chlorophyll.
B.  The process of breakdown of large food molecules into simpler molecules by the amylase enzyme.
C.  The movement of food through alimentary canal by the wavelike movement controlled by involuntary muscles.
D.  The process by which digested food is carried by the blood to different cells in the body.
Answer» D.  The process by which digested food is carried by the blood to different cells in the body.
1038.

The pancreatic juice acts on which of the following components of food and change it into simpler substances?

A. Fats                            
B. Carbohydrates
C. Proteins         
D. All of these
Answer» E.
1039.

Which of the following is longest part of the alimentary canal?

A.  Oesophagus
B.  Large intestine
C.  Small intestine
D.  Stomach
Answer» D.  Stomach
1040.

Which of the following is incorrect for liver?

A. It is a reddish brown gland
B. It is situated in upper part of abdomen
C. It is the largest gland in the body
D. None of the above is correct
Answer» E.
1041.

Which of the following is the undigested semi solid food in ruminants?

A.  Cud                                      
B.  Faeces
C.         Chyme                
D.         Bolus
Answer» B.  Faeces
1042.

Which one is the widest part of alimentary canal?

A. Food pipe      
B. Mouth
C. Stomach        
D. Tongue
Answer» D. Tongue
1043.

Which of the following labelled parts stores cud in ruminants?

A.  P                           
B.  Q                           
C.  R                           
D.  S
Answer» C.  R                           
1044.

The process in which faucal matter is removed through the anus.

A. Egestion     
B. Digestion
C. Absorption      
D. Ingestion
Answer» B. Digestion
1045.

The set of teeth that grows during infancy and fall off at the age of 6-8 years are called

A. milk teeth       
B. sweet teeth
C. permanent teeth          
D. none of these
Answer» B. sweet teeth
1046.

In human beings the food is taken in by which of the following parts?

A. Mouth             
B. Tongue
C. Teeth                          
D. All of these
Answer» B. Tongue
1047.

Which of the following are the characteristics of enzymes?

A.  Substances which are broken into simpler substances during digestion.
B.  Substances which are made by the combination of carbohydrates.
C.  Substances which break complex food molecules into simpler food molecules.
D.  Substances which break complex substances and they themselves undergo dissociation reactions.
Answer» D.  Substances which break complex substances and they themselves undergo dissociation reactions.
1048.

Which of the following is the characteristic feature of pseudopodia?

A.  False feet developed in some unicellular organisms.
B.  Small hair like structures present on the unicellular organisms.
C.  A long, tube like structure coming out of the mouth.
D.  Suckers which are attached to the walls of intestines.
Answer» B.  Small hair like structures present on the unicellular organisms.
1049.

Digestive system consists of

A. Alimentary Canal and digestive tract
B. Alimentary canal
C. Digestive tract
D. Digestive tract and associated glands
Answer» E.
1050.

This length of small intestine and large intestine are respectively

A. 7.5 m and 1.5 m   
B. 1.5 m and 7.5 m
C. 7.5 m and 1.0 m         
D. 1.5 m and 7.0 m
Answer» B. 1.5 m and 7.5 m