Flashcards
Class 7, Chapter 2 - Nutrition in Animals | NCERT
What is digestion?
converting complex components into energy
breakdown of simpler substances into atoms
Breakdown of complex components into simpler substances
converting simpler substances indo complex ones
Breakdown of complex components into simpler substances
What is another name of foodpipe?
oesophagus
True or false?
Each tooth is rooted in a separate socket in the gums.
True or false?
The process of taking food into the body is called ingestion.
True or false?
Tooth decay is caused by viruses.
How often you should brush your teeth?
at least thrice a day
at least once a day
at least twice a day
Carries air from nostrils to the lungs. What is it?
windpipe
What is the widest part of alimentary canal?
stomach
small intestine
large intestine
oesophagus
Put in order elements of human digestive system starting from mouth.
large intestinerectumoesophagussmall intestinebuccal cavityanusstomach
buccal cavityoesophagusstomachsmall intestinelarge intestinerectumanus
Match color with teeth name.
Yellow
Incisor
Match color with teeth name.
Blue
Canine
Match color with teeth name.
Orange
Premolar
Match color with teeth name.
Green
Molar
At what age milk teeth usually fall off?
Between six to eight years.
What is the function of saliva?
It breaks down the starch into sugars.
Which elements of digestive tract secrete digestive juices?
pancreas
inner walls of stomach
salicary glands
large intestine
gall bladder
small intestine
liver
inner walls of oesophagus
pancreas
inner walls of stomach
salicary glands
small intestine
liver
What acid is present in stomach?
hydrogen fluoride
hydrochloric acid
sulfuric acid
bromic acid
Stomach digests only:
sugars
proteins
fats
True or false?
Bile juice helps in digestion of fats.
True or false?
The pancreatic juice can digest sugars, fats and proteins.
True or false?
Villi are finger-like outgrowths of large intestine.
What's the name of an organ in grass-eating animals and what is its role?
It is called Caecum and it helps those animals digest cellulose.
What is this?
a starfish
How long is large intestine?
about 2,5 meters
about 3 meters
about 0,5 metre
about 1,5 metre
In which organ absorption occurs?
stomach
large intestine
small intestine
How do we call process of removing faecal matter through the anus?
egestion
What is the name of a medical condition when one passes watery stool frequently?
diarrhoea
constipation
icterus
appendicitis
partially digested grass
part of stomach in grass-eating animals
single-celled organism living in water
sugar that cannot be digested by most animals
a substance formed as a result of the digestion of fats
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