Class - VII Science Worksheet
Ch-2 (Nutrition in Animals)
Fill in the blanks:
1. The mode of taking food into the body is called _
2. in the process of food is broken down in to simpler substances.
glands are present in mouth.
4. Saliva helps in the digestion of _ in food.
5. The digestive juices of the stomach digest the in the food.
6. The released by the bacteria in the mouth causes tooth decay.
7. Liver secretes and helps in the digestion of
__in the food
8. During the process of digestion, the carbohydrates break down to , the proteins into
and the fats into
9. Faecal matter is removed from the body by the process of
10.
of amoeba helps to capture food.
11. We get hiccups or cough, if by chance food particles enters the
12. Partially digested food in the rumen of herbivores is called
13. The process of utilizing absorbed food particles (nutrients) into the living cells is called
14. The longest part in human digestive canal is
Answers
1) The mode of absorbing food into our body is called Nutrition.
2)Digestion is the process in which food is broken down in to simpler substances.
3)Salivary glands are present in the mouth.
4) Saliva helps in the digestion of Starch
5)The digestive juices of the stomach digest the carbohydrates,proteins and fats in the food
6)The Streptococcus mutans or Lactobacillus released by the bacteria in the mouth causes tooth decay.
7)Liver secretes bile and helps in the digestion of fats.
8)During the process of digestion the carbohydrates break down to starch or complex sugars, the proteins into amino acids and the fats into fatty acids and glycerol.
9)Faecal matter is removed from the body by the process of excretion.
10)Pseudopodia of amoeba helps to capture food.
11) We get hiccups or cough, if by chance food particle enters the windpipe
12)Partially digested food in the rumen of herbivores is called cud.
13) The process of utilizing absorbed food particles (nutrients) into the living cells is called assimilation.
14)The longest part in human digestive canal is the small intestine.
Answer:
1. nutrition
2.digestion
3.salivary
4.starch
5.proteins
6.acid
7.bile juice, fats
8. ,amino acids , fatty acid glycerol
9. Egestion
10. Pseudopodia
11. wind pipe
12. cud
13. Assimilation
14. small intestine