The digestion of a particular food in the small intestine produces amino acids. This food must contain mainly
carbohydrates
fats
vitamins
proteins
Mucus, hydrochloric acid and digestive juices are secreted by the inner lining of
pancreas
stomach
small intestine
salivary glands
Which of the following feeds as liquid food?
housefly
earthworm
snail
fish
The millions of tiny outgrowths on the inner surface of small intestine are called
capillaries
buds
villi
veins
Male mosquito feeds on
Blood
Honey
Plant juices
Solid waste
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
Which of the following can digest cellulose carbohydrate present in its food?
cow
lion
cat
man
Some crushed boiled rice, water and saliva mixture is warmed in a test- tube for about 15 to 20 minutes and 2 or 3 drops of dilute iodine solution are added to it. The colour produced will be
violet
green
deep blue
none of these
The site of complete digestion and absorption of food in the human digestive system is
large intestine
rectum
An animal which has no mouth and no digestive system is
antelope
amoeba
alligator
angora