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Chapters
▶ 2: Nutrition in Animals
3: Heat
4: Acids, Bases and Salts
5: Physical and Chemical Changes
6: Respiration in Organisms
7: Transportation in Animals and Plants
8: Reproduction in Plants
9: Motion and Time
10: Electric Current and Its Effects
11: Light
12: Forests: Our Lifeline
13: Wastewater Story
![NCERT solutions for Science [English] Class 7 chapter 2 - Nutrition in Animals - Shaalaa.com](/images/science-english-class-7_6:325736d0fe154a27901a6745284d30d9.jpg "NCERT solutions for Science [English] Class 7 chapter 2 - Nutrition in Animals")
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Solutions for Chapter 2: Nutrition in Animals
Below listed, you can find solutions for Chapter 2 of CBSE NCERT for Science [English] Class 7.
NCERT solutions for Science [English] Class 7 2 Nutrition in Animals Exercises [Pages 20 - 22]
Fill in the blanks:
The main steps of nutrition in humans are ______, ______, ______, ______ and ______.
The largest gland in the human body is ______.
The stomach releases hydrochloric acid and ______ juices which act on food.
The inner wall of the small intestine has many finger-like outgrowths called ______.
Amoeba digests its food in the ______.
Choose the true and false statement from the following statements:
Digestion of starch starts in the stomach.
True
False
The tongue helps in mixing food with saliva.
True
False
The gall bladder temporarily stores bile.
True
False
The ruminants bring back swallowed grass into their mouth and chew it for some time.
True
False
Choose the correct answer in each of the following:
Fat is completely digested in the ______.
Stomach
Mouth
Small intestine
Large intestine
Water from the undigested food is absorbed mainly in the ______.
Stomach
Food pipe
Small intestine
Large intestine
Match the items of Column I with those given in Column II:
| Column I | Column II |
| Food components | Product(s) of digestion |
| Carbohydrates | Fatty acids and glycerol |
| Proteins | Sugar |
| Fats | Amino acids |
What are villi?
What is the location and function of the villi?
Where is the bile produced? Which component of the food does it help to digest?
Name the type of carbohydrate that can be digested by ruminants but not by humans. Give the reason also.
Why do we get instant energy from glucose?
Which part of the digestive canal is involved in:
Absorption of food ______.
Which part of the digestive canal is involved in:
Chewing of food ______.
Which part of the digestive canal is involved in:
Killing of bacteria ______.
Which part of the digestive canal is involved in:
Complete digestion of food ______.
Which part of the digestive canal is involved in:
Formation of faeces ______.
Write one similarity between nutrition in amoeba and humans.
Write one difference between the nutrition in Amoeba and human beings.
Match the items of Column I with suitable items in Column II.
| Column I | Column II | ||
| (a) | Salivary gland | (i) | Bile juice secretion |
| (b) | Stomach | (ii) | Storage of undigested food |
| (c) | Liver | (iii) | Saliva secretion |
| (d) | Rectum | (iv) | Acid release |
| (e) | Small intestine | (v) | Digestion is completed |
| (f) | Large intestine | (vi) | Absorption of water |
| (vii) | Release of faeces |
Label the following figure of the digestive system.
A part of the human digestive system
Can we survive only on raw, leafy vegetables/grass? Discuss.
NCERT solutions for Science [English] Class 7 2 Nutrition in Animals Activities and Project [Pages 22 - 23]
Extended Learning — Activities and Project
Visit a doctor and find out:
- Under what conditions does a patient need to be on a drip of glucose?
- Till when does a patient need to be given glucose?
- How does glucose help the patient recover?
Write the answers in your notebook.
Find out what vitamins are and get the following information.
- Why are vitamins necessary in the diet?
- Which fruits or vegetables should be eaten regularly to get vitamins?
Write a one-page note on the information collected by you. You may take the help of a doctor, a dietician, your teacher or any other person, or from any other source.
Collect data from your friends, neighbours and classmates to know more about “milk teeth".
Tabulate your data. One way of doing it is given below:
| S.No. | Age at which first tooth fell | Age at which last tooth fel | No. of teeth lost | No. of teeth replaced |
| 1. | ||||
| 2. | ||||
| 3. | ||||
| 4. | ||||
| 5. |
Find out from at least twenty children and find the average age at which children lose the milk teeth. You may take help of your friends.
Solutions for 2: Nutrition in Animals
NCERT solutions for Science [English] Class 7 chapter 2 - Nutrition in Animals
Shaalaa.com has the CBSE Mathematics Science [English] Class 7 CBSE solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. NCERT solutions for Mathematics Science [English] Class 7 CBSE 2 (Nutrition in Animals) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.
Further, we at Shaalaa.com provide such solutions so students can prepare for written exams. NCERT textbook solutions can be a core help for self-study and provide excellent self-help guidance for students.
Concepts covered in Science [English] Class 7 chapter 2 Nutrition in Animals are Different Ways of Taking Food, The Mouth and Buccal Cavity, The Teeth and Its Structure, The Salivary Glands, The Food Pipe/Oesophagus, The Stomach, The Small Intestine, Pancreas, Absorption of Food, The Large Intestine, Assimilation of Food, Digestion in Grass-eating Animal, Feeding and Digestion in Amoeba, Human Digestive System, Liver, Different Ways of Taking Food, The Mouth and Buccal Cavity, The Teeth and Its Structure, The Salivary Glands, The Food Pipe/Oesophagus, The Stomach, The Small Intestine, Pancreas, Absorption of Food, The Large Intestine, Assimilation of Food, Digestion in Grass-eating Animal, Feeding and Digestion in Amoeba, Human Digestive System, Liver.
Using NCERT Science [English] Class 7 solutions Nutrition in Animals exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in NCERT Solutions are essential questions that can be asked in the final exam. Maximum CBSE Science [English] Class 7 students prefer NCERT Textbook Solutions to score more in exams.
Get the free view of Chapter 2, Nutrition in Animals Science [English] Class 7 additional questions for Mathematics Science [English] Class 7 CBSE, and you can use Shaalaa.com to keep it handy for your exam preparation.
