Grade 7 Science Nutrition In Animals Unit 2

30 Questions | By Dhanisha1980 | Last updated: Jul 8, 2022 | Total Attempts: 2222

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Grade 7 Science Nutrition In Animals Unit 2 - Quiz

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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