Advertisements
Advertisements
Question
Which of the following pair of teeth differ in structure but are similar in function?
Options
canines and incisors
molars and premolars
incisors and molars
premolars and canines
Solution
molars and premolars
Explanation:
Our teeth cut, tear and grind the food before we swallow it. There are four types of teeth in our mouth –
- Incisors: These are the front eight teeth, four in the upper and four in the lower jaw. These are well adapted for cutting and biting food items.
- Canines: There are four canines, one canine each on either side of each jaw. These teeth are well adapted to hold and tear the food.
- Premolars: There are eight premolars in total, two premolars in each half of both upper and lower jaws. These are well adapted to crush and grind food.
- Molars: There are twelve molars, three in each half of both upper and lower jaws. These are well adapted to crush and grind the food.
APPEARS IN
RELATED QUESTIONS
The main steps of nutrition in humans are ______, ______, ______, ______ and ______.
In amoeba, food is digested in the ____________.
A few drops of iodine solution were added to rice water. The solution turned blue-black in colour. This indicates that rice water contains
Name the following :-
Organisms that can prepare their own food
Name the parts of the alimentary canal where
bile juice is produced
Mark the following statements as True or False. If false, write the correct statements.
Tongue is attached to the roof of the mouth cavity at the back.
A’ got her gall bladder removed surgically as she was diagnosed with stones in her gall bladder. After the surgery, she faced problems in the digestion of certain food items when consumed in bulk. Can you tell which kind of food items would they be and why?
Boojho and Paheli were eating their food hurriedly so that they could go out and play during recess. Suddenly, Boojho started coughing violently. Think of the reasons why he was coughing and discuss them with your friends.
Tongue is attached at the _____________ to the floor of the mouth cavity and is free at the _____________.
Find out what vitamins are and get the following information.
- Why are vitamins necessary in the diet?
- Which fruits or vegetables should be eaten regularly to get vitamins?
Write a one-page note on the information collected by you. You may take the help of a doctor, a dietician, your teacher or any other person, or from any other source.
