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2. Nutrition in Animals Science class 7 in English Medium ncert book solutions Exercise (NCERT Text Book)
2. Nutrition in Animals Exercise (NCERT Text Book) – Complete NCERT Book Solutions for Class 7 Science (English Medium). Get all chapter explanations, extra questions, solved examples and additional practice questions for 2. Nutrition in Animals Exercise (NCERT Text Book) to help you master concepts and score higher.
2. Nutrition in Animals Science class 7 in English Medium ncert book solutions Exercise (NCERT Text Book)
NCERT Solutions for Class 7 Science play an important role in helping students understand the concepts of the chapter 2. Nutrition in Animals clearly. This chapter includes the topic Exercise (NCERT Text Book), which is essential from both academic and examination point of view. The solutions provided here are prepared strictly according to the latest NCERT syllabus and follow the guidelines of CBSE to ensure accuracy and relevance. Each question is explained in a simple and student-friendly manner so that learners can grasp the concepts without confusion. These NCERT Solutions are useful for regular study, homework help, and exam preparation. All textbook questions are solved step by step to improve problem-solving skills and conceptual clarity. Students of Class 7 studying Science can use these solutions to revise important topics, understand difficult questions, and practise effectively before examinations. The chapter 2. Nutrition in Animals is explained in a structured way, making it easier for students to connect the theory with the topic Exercise (NCERT Text Book). By studying these updated NCERT Solutions for Class 7 Science, students can build a strong foundation, boost their confidence, and score better marks in school and board exams.
2. Nutrition in Animals
Exercise (NCERT Text Book)
2. Nutrition in Animals
Q1. Fill in the blanks:
(a) The main steps of digestion in humans are __________, __________, __________, _________ and __________.
Ans: ingestion, digestion, absorption, assimilation, egestion
(b) The largest gland in the human body is __________.
Ans: Liver
(c) The stomach releases hydrochloric acid and ___________ juices which act on food.
Ans: gastric
(d) The inner wall of the small intestine has many finger-like outgrowths called _________.
Ans: Villi.
(e) Amoeba digests its food in the ____________ .
Ans : Food vacules
Q2. Mark ‘T’ if the statement is true and ‘F’ if it is false:
(a) Digestion of starch starts in the stomach. (T/F)
(b) The tongue helps in mixing food with saliva. (T/F)
(c) The gall bladder temporarily stores bile. (T/F)
(d) The ruminants bring back swallowed grass into their mouth and chewit for some time. (T/F)
Ans:
(a) F
(b) T
(c) T
(d) T
Q3. Tick ( ) mark the correct answer in each of the following:
(a) Fat is completely digested in the
(i) stomach (ii) mouth (iii) small intestine (iv) large intestine
Ans: (iii) Small intestine
(b) Water from the undigested food is absorbed mainly in the
(i) stomach (ii) foodpipe (iii) small intestine (iv) large intestine
Ans: (iv) Large intestine|
Q4. 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 |
Ans:
| Column I | Column II |
| Food components | Product(s) of digestion |
| Carbohydrates | Sugar |
| Proteins | Amino acids |
| Fats | Fatty acids and glycerol |
Q5. – What are villi? What is their location and function?
Ans:– Many small finger-like outgrowths are situated in the inner walls of small intestine, these are called villi.
Functions: The villi increase the surface area for absorption of the digestive food.
Q6. – Where is the bile produced? Which component of the food does it digest?
Ans:– The bile produced in liver. It is responsible for complete digestion of fats
Q8. Name the type of carbohydrate that can be digested by ruminants but not by humans. Give the reason also.
Ans: cellulose is a type of carbohydrate that can be digested by ruminants but not by humans.
(i) Ruminants have a large sac-like structure between the small intestine and large intestine while human have no so.
(ii) The cellulose of the food is digested here by the action of certain bacteria which are not present in humans.
Q9. Why do we get instant energy from glucose?
Ans: Glucose is the simplest form of carbohydrate. It is absorbed very quickly without taking part in any process and give instant energy to the body.
Q10. Which part of the digestive canal is involved in:
(i) absorption of food ________________.
(ii) chewing of food ________________.
(iii) killing of bacteria ________________.
(iv) complete digestion of food ________________.
(v) formation of faeces ________________.
Ans:
(i) Small Intestine
(ii) Buccal cavity
(iii) Stomach
(iv) Small intestine
(v) Large intestine
Q11. Write one similarity and one difference between the nutrition in amoeba and human beings.
Ans:
Similarity: Both take digestion and use digestive juice to digest food.
Difference: Human need to chew food, whereas in amoeba there is no chewing.
Q12. 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 |
Ans:
| Column I | Column II |
| (a) Salivary gland | (iii) Saliva secretion |
| (b) Stomach |
(ii) Storage of undigested food (iv) Acid release |
| (c) Liver | (i) Bile juice secretion |
| (d) Rectum | (vii) Release of faeces |
| (e) Small intestine | (v) Digestion is completed |
| (f) Large intestine | (vi) Absorption of water |
See other sub-topics of this chapter:
1. Chapter Review 2. Exercise (NCERT Text Book) 3. Additional Questions with Solutions 4. Long Answered Questions