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Nutrition in Animals Class 7 MCQs Questions with Answers
Solving the Nutrition in Animals Multiple Choice Questions of Class 7 Science Chapter 2 MCQ can be of extreme help as you will be aware of all the concepts. These MCQ Questions on Nutrition in Animals Class 7 with answers pave for a quick revision of the Chapter thereby helping you to enhance subject knowledge. Have a glance at the MCQ of Chapter 2 Science Class 7 and cross-check your answers during preparation.
Question 1.
Which of the following is not a part of digestive system ?
(a) Mouth cavity
(b) Stomach
(c) Food pipe
(d) Wind pipe
Answer
(d) Wind pipe
Wind pipe is not a part of digestive system.
Question 2.
The largest gland in our body is:
(a) Liver
(b) Salivary gland
(c) Pancreas
(d) Gallbladder
Answer
(a) Liver
The largest gland in our body is liver.
Question 3.
The acid secreted in the stomach is:
(a) Hydrochloric acid
(b) Sulphuric acid
(c) Phosphoric acid
(d) Nitric acid
Answer
(a) Hydrochloric acid
The acid secreted in our stomach is hydrochloric acid.
Question 4.
The components of food absorbed in large intestine is:
(a) Carbohydrate
(b) Protein
(c) Water
(d) Fats
Answer
(c) Water
The component of food absorbed in large intestine is water.
Question 5.
Bile is produced by:
(a) Small intestine
(b) Gallbladder
(c) Liver
(d) Pancreas
Answer
(d) Pancreas
Bile is produced by pancreas.
Question 6.
Bile plays an important role in the digestion of:
(a) Proteins
(b) Starch
(c) Fats
(d) None of these
Answer
(c) Fats
Bile plays an important role in the digestion of fats.
Question 7.
The intestinal juice digests the fats into:
(a) Fatty acids
(b) Glycerol
(c) Fatty acid and glycerol
(d) Amino acids
Answer
(c) Fatty acid and glycerol
The intestinal juice digests the fats into fatty acid and glycerol.
Question 8.
The intestinal juice digests the proteins into:
(a) Fatty acids
(b) Glycerol
(c) Amino acids
(d) None of these
Answer
(c) Amino acids
The intestinal juice digests the proteins into amino acids.
Question 9.
The removing of faecal matter through the anus is called:
(a) Digestion
(b) Absorption
(c) Egestion
(d) None of these
Answer
(c) Egestion
The removing of faecal matter through the anus is called egestion.
Question 10.
Humans can digest cellulose:
(a) Yes
(b) No
(c) Can’t say
(d) None of these
Answer
(b) No
Humans cannot digest cellulose.
Question 11.
Saliva breaks down the:
(a) Starch into amino acids
(b) Proteins into amino acids
(c) Starch into sugar
(d) None of these
Answer
(c) Starch into sugar
Saliva breaks down the starch into sugar.
Question 12.
Left over food in teeth release, which gradually damages teeth.
(a) bases
(b) salts
(c) acids
(d) none of these
Answer
(c) acids
Left over food in teeth release acids which gradually damages teeth.
Question 13.
The front part of tongue is sensitive to which of the following taste ?
(a) Sweet
(b) Sour
(c) Salty
(d) Bitter
Answer
(a) Sweet
The front part of tongue is sensitive to sweet taste.
Question 14.
The digestion of starch starts in:
(a) Mouth
(b) Stomach
(c) Small intestine
(d) None of these
Answer
(a) Mouth
The digestion of starch starts in mouth.
Question 15.
The part of digestive system where no digestion takes place is:
(a) Mouth
(b) Stomach
(c) Oesophagus
(d) Small intestine
Answer
(c) Oesophagus
Oesophagus is a part of digestive system where no digestion takes place.
Question 16.
The digestion of food starts in which part of the digestive system:
(a) Small intestine
(b) Stomach
(c) Mouth
(d) Large intestine
Answer
(c) Mouth
The digestion of food starts in mouth.
Question 17.
Which of the following is digested in mouth ?
(a) Sugar
(b) Protein
(c) Starch
(d) All the above
Answer
(c) Starch
Starch is digested in mouth.
Question 18.
The digestion of food ends in which part of the digestive system ?
(a) Mouth
(b) Stomach
(c) Small intestine
(d) Large intestine
Answer
(c) Small intestine
The digestion of food ends in small intestine of the digestive system.
Question 19.
Which teeth in the mouth are used for cutting and tearing ?
(a) Molar
(b) Incisors
(c) Premolar
(d) Canine
Answer
(d) Canine
Canine are used for cutting and tearing.
Question 20.
The end part of tongue is sensitive to which of the following taste ?
(a) Sweet
(b) Sour
(c) Salty
(d) Bitter
Answer
(d) Bitter
The end part of tongue is sensitive to bitter taste.
Question 21.
In amoeba, ingestion of food takes place with the help of:
(a) Tentacles
(b) Pseudopodia
(c) Stomata
(d) None of these
Answer
(b) Pseudopodia
In amoeba, ingestion of food takes place with the help of pseudopodia
Question 22.
The undigested food is eliminated through:
(a) Anus
(b) Caecum
(c) Rectum
(d) None of these
Answer
(a) Anus
The undigested food is eliminated through anus.
Question 23.
Villi are present in the inner walls of:
(a) Stomach
(b) Small intestine
(c) Large intestine
(d) None of these
Answer
(b) Small intestine
Villi are present in the inner walls of small intestine.
Question 24.
Grass eating animals quickly swallow the grass and store it in a part of stomach called:
(a) Gall bladder
(b) Rumen
(c) Lower stomach
(d) None of these
Answer
(b) Rumen
Grass eating animals quickly swallow the grass and store it in a part of stomach called rumen.
Question 25.
Grass is rich in:
(a) Proteins
(b) Starch
(c) Cellulose
(d) None of these
Answer
(c) Cellulose
Grass is rich in cellulose.
Question 26.
In amoeba, the food particles are trapped in:
(a) Pseudopodia
(b) Food vacuole
(c) Stomach
(d) None of these
Answer
(b) Food vacuole
In amoeba, the food particles are trapped in food vacuole.
Question 27.
The gland located just below the stomach is:
(a) Liver
(b) Pancreas
(c) Gall bladder
(d) None of these
Answer
(b) Pancreas
Pancreas is the gland located just below the stomach.
Question 28.
Number of canines present in an adult are:
(a) 4
(b) 6
(c) 8
(d) 16
Answer
(a) 4
Number of canines present in an adult are 4.
Question 29.
The teeth which helps in biting the food are the:
(a) Canines
(b) Incisors
(c) Premolar
(d) Molars
Answer
(b) Incisors
The teeth which helps in biting in food are the incisors.
Match Column A with Column B:
Question 1.
| Column A | Column B |
| (a) Salivary gland | (i) Bile juice secretion |
| (b) Stomach | (ii) Storage of undigested food |
| (c) Liver | (iii) Saliva secretion |
| (d) Rectum | (iv) Acid release |
| (e) Small intestine | (v) Digestion is completed |
| (f) Large intestine | (vi) Absorption of water |
Answer
| Column A | Column B |
| (a) Salivary gland | (iii) Saliva secretion |
| (b) Stomach | (iv) Acid release |
| (c) Liver | (i) Bile juice secretion |
| (d) Rectum | (ii) Storage of undigested food |
| (e) Small intestine | (v) Digestion is completed |
| (f) Large intestine | (vi) Absorption of water |
Question 2.
| Column A | Column B |
| (a) Absorption of food | (i) Mucous |
| (b) Chewing of food | (ii) Stomach |
| (c) Killing of bacteria | (iii) Buccal cavity |
| (d) Formation of faeces | (iv) Small intestine |
| (e) Protects lining of the stomach | (v) Large intestine |
Answer
| Column A | Column B |
| (a) Absorption of food | (iv) Small intestine |
| (b) Chewing of food | (iii) Buccal cavity |
| (c) Killing of bacteria | (ii) Stomach |
| (d) Formation of faeces | (v) Large intestine |
| (e) Protects lining of the stomach | (i) Mucous |
Question 3.
| Column A | Column B |
| (a) Canine | (i) biting |
| (b) Molars | (ii) tearing |
| (c) Incisors | (iii) no digestion |
| (d) Oesophagus | (iv) chewing |
Answer
| Column A | Column B |
| (a) Canine | (ii) tearing |
| (b) Molars | (iv) chewing |
| (c) Incisors | (i) biting |
| (d) Oesophagus | (iii) no digestion |
State whether the following statements are ‘True’ or ‘False’:
Question 1.
Digestion of starch starts in the stomach.
Answer
False
Question 2.
The tongue helps in mixing food with saliva.
Answer
True
Question 3.
The gall bladder temporarily stores bile.
Answer
True
Question 4.
The ruminants bring back swallowed grass into their mouth and chew it for some time.
Answer
True
Question 5.
Bile acts on fat present in food.
Answer
True
Question 6.
Digestion is the process by which digested food is absorbed.
Answer
False
Question 7.
An adult has 22 permanent teeth.
Answer
False
Question 8.
Gastric juice is secreted by the small intestine.
Answer
False
Question 9.
In our body, the food is digested and absorbed in the alimentary canal.
Answer
True
Question 10.
Chewing of the cud is shown by ruminants.
Answer
True
Question 11.
Villi are finger-like out-growths in the inner walls of stomach.
Answer
False
Question 12.
Cud is the partially digested food in grass eating animals.
Answer
True
Question 13.
Grass is rich in cellulose.
Answer
True
Question 14.
The process of taking food into the body is called egestion.
Answer
False
Question 15.
Saliva breaks down the starch into sugars.
Answer
True
Fill in the blanks:
Question 1.
The main steps of nutrition in humans are ……………………. , ……………………. , ……………………. , ……………………. and …………………….
Answer
ingestion, digestion, absorption, assimilation and egestion
Question 2.
The largest gland in the human body is ……………………..
Answer
liver
Question 3.
The stomach releases hydrochloric acid and ……………………. juices which acts on food.
Answer
gastric
Question 4.
The inner wall of the small intestine has many finger-like outgrowths called …………………….
Answer
villi
Question 5.
Amoeba digests its food in the ……………………..
Answer
food vacuole
Question 6.
Iodine will turn starch …………………….
Answer
blue-black
Question 7.
Fats are broken down into ……………………. and ……………………..
Answer
fatty acids, glycerol
Question 8.
Finger-like projections of Amoeba are called ……………………..
Answer
villi
Question 9.
……………………. is a leaf-like gland present below the stomach.
Answer
Pancreas
Question 10.
Undigested food is egested out of the body through the ……………………..
Answer
anus
Question 11.
Saliva is secreted by ……………………..
Answer
salivary glands
Question 12.
Food is digested by special chemicals called ……………………..
Answer
digestive enzymes
Question 13.
Digestion starts in ……………………..
Answer
mouth
Question 14.
The longest part of the digestive tract in man is the ……………………. intestine.
Answer
small
Question 15.
The food is ingested inside the ……………………. in amoeba.
Answer
food vacuole
Question 16.
The liver and ……………………. are found near the stomach.
Answer
pancreas
Question 17.
……………………. and ……………………. are called grinding teeth.
Answer
Molar, premolars
Question 18.
The food in amoeba is captured by ……………………..
Answer
pseudopodia
Question 19.
The digestion of food does not occur in ……………………. of digestive tract.
Answer
oesophagus
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