Mucus, hydrochloric acid and digestive juices are secreted by the inner lining of
pancreas
stomach
small intestine
salivary glands
The process of taking in food by an animal and its utilisation in the body is called
ingestion
digestion
nutrition
egestion
An animal which has no mouth and no digestive system is
antelope
amoeba
alligator
angora
The length of small intestine in adult human beings is about
1.5m
2.5m
7.5m
4.5m
The digestion of groundnut oil present in food produces
A. Amino acid B. Glycerol C. Alcohol D. Fatty acid
A and B
B and C
C and D
B and D
The aquatic animal which ingests food with the help of pseudopodia is
Eagle
Fish
Aquatic snake
Amoeba
The fat present in our food is completely digested in the
mouth
large intestine
The site of complete digestion and absorption of food in the human digestive system is
rectum
Which of the following can digest cellulose carbohydrate present in its food?
cow
lion
cat
man
Which of the following is digested by saliva?
glucose
starch
cellulose
sucrose