Flashcards
Class 7, Chapter 2 - Nutrition in Animals | NCERT
What is digestion?
converting simpler substances indo complex ones
Breakdown of complex components into simpler substances
breakdown of simpler substances into atoms
converting complex components into energy
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?
stomach
oesophagus
small intestine
large intestine
Put in order elements of human digestive system starting from mouth.
small intestineanusbuccal cavitystomachoesophaguslarge intestinerectum
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?
inner walls of stomach
gall bladder
pancreas
liver
salicary glands
small intestine
inner walls of oesophagus
large intestine
inner walls of stomach
pancreas
liver
salicary glands
small intestine
What acid is present in stomach?
sulfuric acid
hydrogen fluoride
bromic acid
hydrochloric acid
Stomach digests only:
sugars
fats
proteins
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 3 meters
about 1,5 metre
about 2,5 meters
about 0,5 metre
In which organ absorption occurs?
small intestine
stomach
large 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
constipation
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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