Grade 7 Science Nutrition In Animals Unit 2
30 Questions
| Total Attempts: 1102
Questions and Answers
- 1.All animals require ________________for obtaining energy, growth, repair of damaged parts and functioning of the body.
- 2.The process of taking food by an animal and its utilisation in the body is called animal __________
- 3.The components of food such as carbohydrates are _______________ substances which cannot be utilised by the body.
- 4.The process of breakdown of complex components of food into simpler substances is called ______________
- 5.There are two methods of digesting food, i.e. _______________method (including chewing and grinding of food in mouth) and ____________ method (addition of digestive juices to the food by the body itself).
- 6._______________It is a marine animal which is covered by hard shells of calcium carbonate. It has a unique mode of nutrition.
- 7.The food passes through a continuous canal which begins at the _________________________ and ends at the anus.
- 8.The canal is called as the _____________ Canal
- 9.There are three glands associated with the alimentary canal that secrete digestive juices that are used to convert the complex food substances into simpler substances. check them
- A.
Liver
- B.
Pancreas
- C.
Salivary gland
- D.
Anus
- 10.The canal is divided into different parts: they are (tick the correct choices)
- A.
Mouth or buccal cavity
- B.
Liver
- C.
Food pipe or oesophagus
- D.
Pancreas
- E.
Stomach
- F.
Small intestine
- G.
Salivary glands
- H.
Large intestine
- I.
Anus
- 11.The process of ___________________ starts from the mouth or buccal cavity.
- 12.The ________________ present in the buccal cavity cut the food into small pieces by chewing and grinding it.
- 13.Saliva also contains __________________________which help in partial digestion of starch.
- 14.The____________________ helps in mixing saliva with food
- 15.____________________ is a muscular organ attached at the back to the floor of the buccal cavity
- 16.The teeth that grow after milk teeth fall off are called _____________Teeth.
- 17.The acids gradually damage the teeth making hole or cavity. This is called _____________.
- 18.Tooth decay is caused mainly because of eating food with high ________ content, _________and ________________. (check the correct options)
- A.
Sugar
- B.
Chillies
- C.
Junk food
- D.
Soft drinks
- E.
Chocolates
- 19.Clean your teeth with a _____________ or ______________ at least twice a day.
- A.
Brush
- B.
Dance
- C.
Sleep
- D.
Eat
- E.
Dental floss
- 20.______________ your mouth after every meal you eat.
- 21.Food is pushed downward by a wave like movement of the wall of foodpipe as a result of alternate contraction and relaxation. This movement is called _______________
- 22.Sometimes, food is not accepted by our stomach and is _____________ out because the food moves in the opposite direction
- 23.Ometimes, food is not accepted by our stomach and is vomited out because the food moves in the opposite direction from stomach to mouth by _________________movement in oesophagus.
- 24.When we swallow food, a flap-like valve called___________________ closes the passage of the windpipe and guides the food into the food pipe.
- 25.If we laugh or talk while eating, the windpipe remains open and food particle enters into the windpipe and we experience _______________, _________________ or _______________which clears the blockage of windpipe.
- A.
Hiccups,
- B.
Die
- C.
Cough
- D.
Choking
- E.
Cry
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