EASY
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Why enzymes are called biochemical catalysts?

Important Questions on Food

MEDIUM
What change does take place during digestion of food?
EASY
Select the odd-one-out.
EASY
The process by which the food is taken inside the body is called_____.
MEDIUM

Find nine words related to teeth and the digestive system in the given grid. The words may read forward, backwards and across.

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MEDIUM
Digestion is a form of:
EASY

Match the two columns and then choose the correct code from the given options:

  Column I   Column II
(A) Pancreas (i) This organ secretes the enzymes amylase, protease and lipase.
(B) Rectum (ii) This is a storage site for faeces before being egested from the body.
(C) Oesophagus (iii) This tube structure transports food from the oral cavity to the stomach.
(D) Oral cavity (iv) It is the structure where the mechanical digestion of food first occurs.
MEDIUM
Name the two organs in the human body where digestion occurs.
MEDIUM
Taking in of food from outside is called _____.
EASY
It is the process of breaking down food by mechanical actions into simpler substances to be used by the body.
EASY
Select the odd one out.
MEDIUM
What is meant by ingestion of food?
EASY
What is the act or process of discharging undigested or waste material from a cell or organism called?
MEDIUM
Which of the following human systems include oesophagus?
MEDIUM

Complete the following web chart.

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MEDIUM
Which is the first enzyme to mix with food in the digestive tract?
HARD
Select the odd one out.
MEDIUM
The process in which the undigested food is removed from the body is called _____. (egestion/ingestion)
EASY

Look at the picture and fill in the blank using the words given in the box.

digestive            nervous                       skeletal                                respiratory

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The _____ system breaks down the food we eat into simpler substances.

MEDIUM
 Which of the following is the final stage in nutrition?
MEDIUM
What happens to the undigested food in the body?