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1
What is the digestive system?
The body's breathing system
The body's system of nerves
The body's food -processing system
The body's blood transporting system
2
DIRECTIONS : Read the passage (s) given below and answer the questions that follow.
The bodies of living organisms are made of tiny units called cells. Cells can be seen only under microscope. Some organisms are made of only one cell. The cell is enclosed by a thin boundry, called the cell membrane.
The smallest structural unit of a living organism is
A cell
A tissue
Either a cell or a tissue
None of these
3
The liver pours its secretions into the
mouth
small intestine
rectum
oesophagus
4
Where does the absorption of water from the undigested food take place?
pancreas
Duodenum
Stomach
Large intestine
5
Food pipe is also called the _______________ .
Pharynx
Oesophagus
Anus
None of these.
6
What is the first step in the flow of food?
Mouth
Esophagus
Pancreas
7
Which is a secretion of salivary glands?
Starch
Saliva
none of these
both of these
8
The largest gland of the human body is the ____________________
Adrenal gland
Liver
Salivary gland
Thyroid gland
9
The food, taken in by the humans, stays for about 2 to 3 hours, in the ____________
Small intestine
Food pipe
10
____________ is present in small intestine.
Villi
Aretery
11
The longest organ of digestive system in human body ?
Pancreatic duct
12
____________ is the first part of small intestine .
Jejunum
Ileum
13
__________________ secretes the bile juice.
Kidney
14
The process of digestion in the alimentary canal gets completed in the ______________.
15
Which of the following are correct ?
(a) The food contains different substances that need to be converted into soluble particles, this process is called digestion.
(b) The human digestive system consists of various organs mouth, esophagus, stomach, small intestine, large intestine, rectum and anus.
(c) The digestion of food is consist of different steps like ingestion, digestion, absorption and assimilation.
Only (a) and (b) is correct .
Only (b) and (c) is correct .
Only (a) and (c) is correct .
All of these .