Class 7 Science Chapter 2 Nutrition in Animals

Class 7 Science Chapter 2 Nutrition in Animals – Solutions

NCERT Class 7 Science Chapter 2 Nutrition in Animals Question-answer

Exercises

Fill in the blanks:

1. The main steps of nutrition in humans are __________, __________,__________, _________ and __________.
2. The largest gland in the human body is __________.
3. The stomach releases hydrochloric acid and ___________ juices which act on food.
4. The inner wall of the small intestine has many finger-like outgrowths called _________.
5. Amoeba digests its food in the ____________ .

Answers:-

1. Ingestion, digestion, absorption, assimilation and egestion.
2. Liver
3. Digestive
4. Villi
5. food vacuole.

Mark ‘T’ if the statement is true and ‘F’ if it is false:

1. Digestion of starch starts in the stomach. (T/F)
2. The tongue helps in mixing food with saliva. (T/F)
3. The gall bladder temporarily stores bile. (T/F)
4. The ruminants bring back swallowed grass into their mouth and chew it for some time. (T/F)

Answer:-

1. False 
2. True 
3. True
4. True

Tick (ü) mark the correct answer in each of the following:

(a) Fat is completely digested in the

• stomach
• mouth
• small intestine
• large intestine

Answer – small intestine

(b) Water from the undigested food is absorbed mainly in the

• stomach
• foodpipe
• small intestine
• large intestine

Answer – large intestine

Match the items of Column I with those given in Column II:

Column I                                                      Column II

 Answers

1- a, 2.  – c, 3. – d, 4. – b

Q. – What are villi? What is their location and function?