Nutrition in Animals

Question 19: 
What is the finger like projections present in the inner wall of the small intestine?

Answer:

Villi

Question 20: 
Which organ expelled out the undigested and unabsorbed residues from human body?

Answer:

Anus

Question 21: 
Name the term used to describe the condition in which a person passes out watery stools.

Answer:

This condition is known as diarrhoea.

Question 22: 
What secretes hydrochloric acid in the stomach?
Or
Where does hydrochloric acid come from?

Answer: 

The inner lining of the stomach secretes hydrochloric acid.

Question 23: 
Where are fats digested in the body?

Answer: 

Fats are mainly digested in the small intestine.

Question 24: 
Where is the water from undigested food absorbed in the body?

Answer:

Water from undigested food is absorbed in the body in large intestine.

 
Question 25: 
What kills bacteria that enter along with the juices to act?

Answer: 

The acid kills many bacteria that enter along with the juices to act.

Question 26:  
Where food is completely digested?

Answer: 

The food is completely digested in the small intestine.

Question 27: 
Where are faeces formed in the human body?

Answer: 

Faeces are formed in the human body in large intestine.

Question 28:  
Which glands secrete saliva?

Answer:

Salivary glands secrete saliva.

Question 29:  
Where food is absorbed in our body?

Answer: 

Absorption of food takes place in small intestine.

Question 30:  
Which gland in our body secretes bile?

Answer: 

Bile is a digestive juice that is secreted by the liver.

Question 31:  
Where faeces are stored?

Answer: 

Faeces are stored in rectum.

Question 32:  
How many teeth do adults have?

Answer:

Adults have 32 teeth.

 
Question 33:   
What are the end products of carbohydrate?

Answer: 

The carbohydrates get broken into simple sugars such as glucose.

Question 34: 
Name the end products of fats.

Answer: 

Fatty acids and Glycerol

Question 35:  
Write the end products of proteins.

Answer: 

Amino acids

Question 36:  
What causes diarrhoea in human beings?

Answer: 

It may be caused by an infection, food poisoning or indigestion.

Question 37:  
Which is the largest gland in the human body?

Answer: 

Liver is the largest gland in human body.

Question 38:  
What is ingestion?

Answer: 

The process of taking food into the body is called ingestion.

Question 39:  
What are the different types of teeth?

Answer: 

We have different types of teeth: incisor, canine, premolar and molar.

Question 40:  
What does saliva do to food in our mouth?

Answer: 

The saliva breaks down the starch into sugars.

Question 41:  
How does food pass from the mouth to the stomach?

Answer: 

Food is pushed down by movement of the wall of the food pipe.

Question 42:  
What is rumen?

Answer: 

Ruminants have a large sac-like structure called rumen.

Question 43:  
How does an amoeba move?

Answer: 

Amoeba uses pseudopodia (false feet) to move.

Question 44:  
Where does the bile juices and pancreatic juices are released?

Answer: 

The bile juices and pancreatic juices are released into small intestine.

Question 45:  
What are permanent teeth?

Answer: 

The second set that replaces a temporary milk teeth are the permanent teeth.

Question 46:  
What is the shape of stomach?

Answer: 

Its shape is like a flattened J and it is the widest part of the alimentary canal.

Question 47:  
You were blindfolded and asked to identify the drinks provided in two different glasses. You could identify drink A as lime juice and B as bitter gourd juice. How could you do it inspite of being blindfolded?

Answer: 

We taste food with our tongue. It has taste buds that detect different tastes of food.

Question 48:  
What does animal nutrition include?

Answer: 

Animal nutrition includes nutrient requirement, mode of intake of food and its utilisation in the body.

Question 49:  
What do you mean by animal nutrition?

Answer: 

Animal nutrition includes nutrient requirement, mode of intake of food and its utilisation in the body.

Question 50:  
What are the different modes of feeding in animals?

Answer: 

Scraping, chewing, brewing, capturing and swallowing, sucking etc. are the different mode of feeding in animals.

Question 51:  
Where is the rumen located in the body of ruminants?

Answer: 

Ruminants have a large sac-like structure called rumen between the oesophagus and the small intestine.

Question 52:  
What is digestion?

Answer: 

The breakdown of complex components of food into simpler substances is called digestion.

Question 53:  
Name the glands that secrete digestive juices.
Or
Name the three digestive glands in our body.

Answer: 

Glands associated such as salivary glands, the liver and the pancreas secrete digestive juices.

Question 54:  
What is diarrhoea?

Answer: 

Sometime we may have experienced the need to pass watery stool frequently. This condition is known as diarrhoea.

Question 55:  
Discuss the role of hydrochloric acid secreted by gastric glands.

Answer: 

The acid kills many bacteria that enter along with the food and makes the medium in the stomach acidic and helps the digestive juices to act.