हिंदी

Solve the crossword given as Figure. Across Down 1. Cream-coloured digestive gland 2. Feeds with the help of pseudopodia 3. Undigested excretory solid residues

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प्रश्न

Solve the crossword given as Figure.

Across Down
1. Cream-coloured digestive gland 2. Feeds with the help of pseudopodia
3. Undigested excretory solid residues 6. Total number of molars in one jaw of an adult
4. Organ that mixes saliva with the food 8. Largest gland
5. Point of defecation 9. Watery secretion in the mouth
7. Stored in gall bladder 11. A ruminant
10. Finger-like outgrowth in the small intestine 12. Form of food chewed by ruminants
13. Kind of taste buds    
14. Kills bacteria in the stomach    
पहेली
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उत्तर

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अध्याय 2: Nutrition in Animals - LONG ANSWER QUESTIONS [पृष्ठ १३]

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एनसीईआरटी एक्झांप्लर Science [English] Class 7
अध्याय 2 Nutrition in Animals
LONG ANSWER QUESTIONS | Q 30. | पृष्ठ १३

संबंधित प्रश्न

What is the role of saliva in the digestion of food?


The tongue helps in mixing food with saliva. 


What is the name of the opening in the human body through which undigested food is thrown out?


What is the function of enzymes in the human digestive system?


What is dental plaque? What harm can it do? How can the formation of plaque be prevented?


Pancreatic juice contains enzymes which digest:

(a) proteins and carbohydrates only
(b) proteins and fats only
(c) fats and carbohydrates only
(d) proteins, fats and carbohydrates


Which of the following are the correct functions of two components of pancreatic juice trypsin and lipase?

(a) trypsin digests proteins and lipase carbohydrates
(b) trypsin digests emulsified fats and lipase proteins
(c) trypsin digests starch and lipase fats
(d) trypsin digests proteins and lipase emulsified fats


Fill in the blank.

Molars are meant for _____ the food.


Given alongside is the diagram of the human alimentary canal.
(i) Name the parts 1-11 indicated by guidelines.
1.____ 2.____ 3.____ 4.____ 5.____ 6.____ 7.____ 8.____ 9.____ 10.___ 11.____
(ii) State the function of the juice secreted by the part 1.
(iii) State the function of the three enzymes found in the juice secreted by part 3.


Write true or false for the below statement. Rewrite the false statements correctly.

Digestion of food in the intestine takes place in the presence of dilute hydrochloric acid.


Find the odd one out. Give reasons for your choice.


Describe the following: Emulsification


Sketch and label a diagram of the digestive system and describe it in your own words.


Which systems work together to provide the body with energy?


(i)______ and (ii)______ form the common bile duct.


______ is a major organ for the digestion of food materials.


In which of the following vertebrate group/groups, the heart does not pump oxygenated blood to different parts of the body?


What are the functions of gastric glands present in the wall of the stomach?


What are villi?


How does tooth enamel get corroded? What is the preventive measure for this?


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