Biology
Write True or False in the following statements.
- Molars help in cutting and tearing food.
- Carbohydrates are digested into glucose.
- Proteins are digested into fatty acids.
- Wisdom tooth appears at the age of 5-6 years when the child starts going to school.
- The temporary set of teeth includes incisors, canines and premolars only.
- The ducts from the salivary glands open into the duodenum.
- Saliva changes starch into maltose.
Answer
False
Reason — Molars help in finer crushing and grinding the food.True
Reason — The end products of carbohydrate digestion are simple sugars (glucose & fructose) which can easily be absorbed in our blood system.False
Reason — Proteins are digested into amino acid.False
Reason — The wisdom tooth appears at the age of 17-20 years. In some people, however, wisdom teeth may not come out of the gums at all.False
Reason — The temporary teeth consist of 20 teeth (8 incisors, 4 canines and 8 molars only).False
Reason — The ducts from the salivary glands open into the mouth.True
Reason — Saliva contains an enzyme called amylase which converts starch into maltose.
Related Questions
In which of the following parts of the alimentary canal, does digestion not take place ?
- Stomach
- Duodenum
- Jejunum
- Ileum
Fill in the blanks:
(i) The teeth called …………… are a total of four in number on the sides of incisors.
(ii) …………… is a common opening of food pipe and wind pipe.
(iii) Molars are meant for …………… the food.
(iv) Incisors are used for …………… and …………… the food.
(v) The …………… are used for tearing the food.
(vi) The …………… and …………… are used for crushing and grinding the food.
(vii) In an adult human, there are a total of …………… teeth.
(viii) The human teeth appears in two sets, the first set is called …………… which consists of only …………… teeth.
Fill in the blanks in the table (1-5) by selecting the suitable names of substances from the list given below:
[lipase, peptones, fatty acids, proteoses, protein].
Digestive
Enzymesacts on to form (i) Pepsin …….(2)…….. …….(3)…….. and …….(4)…….. (ii) …….(1)…….. fats …….(5)…….. Given below are the set of four terms. Choose the odd one and write the category of the remaining terms :
- Maltose, Sucrose, Lipase, Lactose.
- Gall bladder, Pancreas, Salivary Glands, Liver.
- Carbohydrates, Fats, Bile, Proteins.
- Ileum, Colon, Jejunum, Duodenum.
- Albumen, Pepsin, Trypsin, Rennin.