Class 7 Science MCQ Nutrition in Animals

Question : Which of the following is not a part of digestive system ?

(a) Mouth cavity
(b) Stomach
(c) Food pipe
(d) Wind pipe

Question : The largest gland in our body is:

(a) Liver
(b) Salivary gland
(c) Pancreas
(d) Gallbladder

Question : The breakdown of complex components of food into simpler substances is called __________________________.

Digestion
(b) Nutrition
(c) Breathing
(d) Respiration

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

Question : The stomach is a thick –walled bag of shape __________________________.

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

Question : The function of the digestive juices present in the stomach is to breakdown __________________________.

the proteins into simpler
(b) Starch into sugars
(c) Fats into juices
(d) Food into gases

Question : The acid secreted in the stomach is:

(a) Hydrochloric acid
(b) Sulphuric acid
(c) Phosphoric acid
(d) Nitric acid

Question : The components of food absorbed in large intestine is:

(a) Carbohydrate
(b) Protein
(c) Water
(d) Fats

Question : Bile is produced by:

(a) Small intestine
(b) Gallbladder
(c) Liver
(d) Pancreas

Question : Bile plays an important role in the digestion of:

(a) Proteins
(b) Starch
(c) Fats
(d) None of these

Question : From where do we take in food?

(a) Anus
(b) Mouth
(c) Stomach
(d) Oesophagus

Question : The removing of faecal matter through the anus is called:

(a) Digestion
(b) Absorption
(c) Egestion
(d) None of these

Question : Which one is a unicellular organism?

(a) Frog
(b) Hydra
(c) Amoeba
(d) Ant

Question : The intestinal juice digests the fats into:

(a) Fatty acids
(b) Glycerol
(c) Fatty acid and glycerol
(d) Amino acids

Question : The intestinal juice digests the proteins into:

(a) Fatty acids
(b) Glycerol
(c) Amino acids
(d) None of these

Question : The removing of faecal matter through the anus is called:

(a) Digestion
(b) Absorption
(c) Egestion
(d) None of these

Question : Humans can digest cellulose:

(a) Yes
(b) No
(c) Can’t say
(d) None of these

Question : Saliva breaks down the:

(a) Starch into amino acids
(b) Proteins into amino acids
(c) Starch into sugar
(d) None of these

Question : Which of the following is digested in mouth ?

(a) Sugar
(b) Protein
(c) Starch
(d) All the above

Question : The digestion of food ends in which part of the digestive system ?

(a) Mouth
(b) Stomach
(c) Small intestine
(d) Large intestine

Question : Which teeth in the mouth are used for cutting and tearing ?

(a) Molar
(b) Incisors
(c) Premolar
(d) Canine

Question : The end part of tongue is sensitive to which of the following taste ?

(a) Sweet
(b) Sour
(c) Salty
(d) Bitter

Question : In amoeba, ingestion of food takes place with the help of:

(a) Tentacles
(b) Pseudopodia
(c) Stomata
(d) None of these

Question : The undigested food is eliminated through:

(a) Anus
(b) Caecum
(c) Rectum
(d) None of these

Question : Villi are present in the inner walls of:

(a) Stomach
(b) Small intestine
(c) Large intestine
(d) None of these

Question : 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

Question : Grass is rich in:

(a) Proteins
(b) Starch
(c) Cellulose
(d) None of these

Question : In amoeba, the food particles are trapped in:

(a) Pseudopodia
(b) Food vacuole
(c) Stomach
(d) None of these

Question : The gland located just below the stomach is:

(a) Liver
(b) Pancreas
(c) Gall bladder
(d) None of these

Question : Number of canines present in an adult are:

(a) 4
(b) 6
(c) 8
(d) 16

Question : The teeth which helps in biting the food are the:

(a) Canines
(b) Incisors
(c) Premolar
(d) Molars

Question : The inner wall of the small intestine has many finger-like outgrowths called …………………….

Question : Saliva is secreted by ……………………..

Question : Food is digested by special chemicals called ……………………..

Question : Digestion starts in ……………………..

Question : Amoeba digests its food in the ……………………..

Question : The liver and ……………………. are found near the stomach.

Question : ……………………. and ……………………. are called grinding teeth.

Question : Iodine will turn starch …………………….

Question : Fats are broken down into ……………………. and ……………………..

Question : Finger-like projections of Amoeba are called ……………………..

Question : The main steps of nutrition in humans are ……………………. , ……………………. , ……………………. , ……………………. and …………………….

Question : The largest gland in the human body is ……………………..

Question : The stomach releases hydrochloric acid and ……………………. juices which acts on food.

Question : ……………………. is a leaf-like gland present below the stomach.

Question : Undigested food is egested out of the body through the ……………………..

Question : The longest part of the digestive tract in man is the ……………………. intestine.

Question : The food is ingested inside the ……………………. in amoeba.

Question : The food in amoeba is captured by ……………………..

Question : The digestion of food does not occur in ……………………. of digestive tract.