Flashcards
Class 7, Chapter 2 - Nutrition in Animals | NCERT
What is digestion?
converting complex components into energy
breakdown of simpler substances into atoms
converting simpler substances indo complex ones
Breakdown of complex components into simpler substances
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 twice a day
at least once a day
at least thrice a day
Carries air from nostrils to the lungs. What is it?
windpipe
What is the widest part of alimentary canal?
oesophagus
stomach
small intestine
large intestine
Put in order elements of human digestive system starting from mouth.
stomachoesophagusrectumsmall intestinelarge intestinebuccal cavityanus
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?
liver
salicary glands
inner walls of stomach
large intestine
small intestine
pancreas
inner walls of oesophagus
gall bladder
liver
salicary glands
inner walls of stomach
small intestine
pancreas
What acid is present in stomach?
hydrogen fluoride
hydrochloric acid
bromic acid
sulfuric acid
Stomach digests only:
proteins
sugars
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 1,5 metre
about 2,5 meters
about 0,5 metre
about 3 meters
In which organ absorption occurs?
large intestine
stomach
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?
icterus
diarrhoea
appendicitis
constipation
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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