CBSE Class 7 Science Nutrition in Animals MCQs

Nutrition in Animals

Question.  The breakdown of complex components of food into simpler substances is called ( )

a.  Digestion  
b.  Nutrition  
c.  Breathing 
d.  Respiration

Answer: A

Question.  The set of teeth that exists in the mouth during the period from six to eight years of a human being are called

a.  Permanent teeth  
b.  Premolar teeth  
c.  Molar teeth  
d.  Milk teet

Answer: D

Question.  The stomach is a thick –walled bag of shape ( )

a.  V- shape  
b.  U-shape 
c.  X- shape  
d.  Z- shape 

Answer: B

Question.  The function of the digestive juices present in the stomach is to breakdown ( )

a.  the proteins into simpler substances 
b.  Starch into sugars 
c.  Fats into juices 
d.  Food into gases

Answer: A

Question.  The largest gland in the human body is 

a.  Oesophagus  
b.  Salivary gland  
c.  Liver 
d.  Villi

Answer: C

Question.  Length of small intestine is ( )

a.  10.5m long 
b.  40m long 
c.  23.4m long 
d.  7.5m long.

Answer: D

Question.   The process of digestion taking place in grass- eating animals is called ( )

a.  Egestion  
b.  Rumination  
c.  Assimilation  
d.  Absorption

Answer: B

Question.  Diarrhoea is caused due to ( )

a.  Infection  
b.  Indigestion  
c.  Poisoning  
d.  All of the above

Answer: D

Question.  Plenty of boiled water mixed with a pinch of salt and sugar dissolved in it is called ( ) 

a.  An Acid  
b.  A base  
c.   An indicator  
d.  Oral Rehydration solution

Answer: D

Question.  Single celled organism among the following is ( )

a.  Human being 
b.  Yeast  
c.  Cow  
d.  Amoeba

Answer: D

Question. The semi-solid mass which is produced after thoroughly mix up of food and gastric juice is called
(a) bolus
(b) chyme
(c) bile
(d) villus

Answer: B

Question. Which of the following is not a part of digestive system ?
(a) Mouth cavity
(b) Stomach
(c) Food pipe
(d) Wind pipe

Answer: D

Question. The component of food which is complex is
(a) protein
(b) carbohydrate
(c) fat
(d) all of these

Answer: D

Question. Bile is produced in
(a) Gall bladder
(b) Blood
(c) Liver
(d) Spleen

Answer: C

Question. An example of heterotrophic organism which can synthesise food. .
(a) Paramecium
(b) Euglena
(c) Amoeba
(d) Hydra
Answer: A

Question. Salivary glands are located in
(a) mouth
(b) liver
(c) stomach
(d) large intestine

Answer: A

Question. The components of food absorbed in large intestine is:
(a) Carbohydrate
(b) Protein
(c) Water
(d) Fats

Answer: C

Question. The movement of food in food pipe is called
(a) Linear movement
(b) Rectilinear movement
(c) Smooth movement
(d) Peristaltic movement

Answer: D

Question. The way of taking food by bees is
(a) swallowing
(b) sucking
(c) filtering
(d) none of these

Answer: B

Question. Duodenum, Jejunum, ileum are ______ parts.
(a) Small Intestine
(b) Large Intestine
(c) Esophaguss
(d) Stomach

Answer: A

Question. The process through which undigested food is expelled out of the body is called
(a) digestion
(b) absorption
(c) assimilation
(d) egestion

Answer: D

Question. The process in which faucal matter is removed through the anus.
(a) Egestion
(b) Digestion
(c) Absorption
(d) Ingestion

Answer: A

Question. Rumination can
(a) digest the cellulose
(b) not digest the cellulose
(c) may or may not digest cellulose
(d) all of these

Answer: A

Question. The intestinal juice digests the proteins into:
(a) Fatty acids
(b) Glycerol
(c) Amino acids
(d) None of these

Answer: C

Question. Siphoning is the mode of feeding alone in which type of animal.
(a) Humming bird
(b) Butterfly
(c) Ant
(d) Housefly

Answer: B

Question. The acid present in the stomach:
(a) kills the harmful bacterial that may enter along with the food.
(b) protects the stomach lining from harmful substances.
(c) digests starch into simpler sugars.
(d) makes the medium alkaline.

Answer: C

Question. The digestive tract and the associated glands together constitute the
(a) digestive system
(b) oesophagus
(c) alimentary canal
(d) nutrition system

Answer: A

Question.The finger-like outgrowths of Amoeba helps to ingest food. However, the finger-like outgrowths of human intestine helps to:
(a) digest the fatty food substances
(b) make the food soluble
(c) absorb the digested food
(d) absorb the undigested food

Answer: C

Question. The teeth which helps in biting the food are the:
(a) Canines
(b) Incisors
(c) Premolar
(d) Molars

Answer: C

Question. Left over food in teeth release, which gradually damages teeth.
(a) bases
(b) salts
(c) acids
(d) none of these

Answer: C

Question. The process by which organisms take in food is called
(a) digestion
(b) assimilation
(c) ingestion
(d) egestion

Answer: C

Question. The process of taking food in the body is known as
(a) egestion
(b) ingestion
(c) digestion
(d) assimilation

Answer: B

Question. Grass is rich in:
(a) Proteins
(b) Starch
(c) Cellulose
(d) None of these

Answer: C

Question. How many premolars teeth found in mouth?
(a) 2
(b) 4
(c) 6
(d) 8

Answer: B

Question. The digestion of food starts in which part of the digestive system:
(a) Small intestine
(b) Stomach
(c) Mouth
(d) Large intestine

Answer: C

Question. The process in which the absorbed food is used for producing energy is called
(a) ingestion
(b) absorption
(c) assimilation
(d) digestion

Answer: C

Question. Which gland secretes bile juice?
(a) Liver
(b) Pancreas
(c) Bladder
(d) All of these

Answer: A

Question. The end part of tongue is sensitive to which of the following taste ?
(a) Sweet
(b) Sour
(c) Salty
(d) Bitter

Answer: D