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Chapters
2: Cell : The Unit of Life
3: Tissues : Plant and Animal Tissues
4: The Flower
5: Pollination and Fertilization
6: Seeds - Structure and Germination
7: Respiration in Plants
8: Five Kingdom Classification
9: Economic Importance of Bacteria and Fungi
10: Nutrition
▶ 11: Digestive System
12: Skeleton - Movement and Locomotion
13: Skin - "The Jack of all Trades"
14: The Respiratory System
15: Hygiene - [A Key to Healthy Life]
16: Diseases : Cause and Control
17: Aids to Health
18: Health Organisation
19: Waste Generation and Management
![Selina solutions for Concise Biology [English] Class 9 ICSE chapter 11 - Digestive System - Shaalaa.com](/images/4567167791-concise-biology-english-class-9-icse_6:778c9d06bf3248a296d8ab25ff5c174b.jpg "Selina solutions for Concise Biology [English] Class 9 ICSE chapter 11 - Digestive System")
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Solutions for Chapter 11: Digestive System
Below listed, you can find solutions for Chapter 11 of CISCE Selina for Concise Biology [English] Class 9 ICSE.
Selina solutions for Concise Biology [English] Class 9 ICSE 11 Digestive System Multiple choice type [Page 115]
Pylorus is an opening from
oseophagus into stomach
mouth cavity into stomach
stomach into intestine
intestine into rectum
Gastric juice contains
HCl and pepsin
pepsin and trypsin
trypsin and HCl
amylopsin and pepsin
The water from the digested food is mainly absorbed by
stomach
duodenum
colon
rectum
Which one of the following pairs of types of teeth perform one common function as stated against it?
Incisors, canines - Holding
Canines, premolars - Biting
Premolars, molars - Grinding
Molars, incisors - Tearing
Selina solutions for Concise Biology [English] Class 9 ICSE 11 Digestive System Very short answer type [Page 115]
What is the dental formula of a normal human adult?
Mention two reflexes which occur when a person chews and swallows food.
Consider the following two statements A and B and select the right option from (i)-(iv) about their correctness.
- Small intestine is shorter than large intestine.
- Small intestine is wider than large intestine.
Options :
(i)Both the statements are correct
(ii) Both the statements are wrong
(iii) Statement A is correct, B is wrong
(iv) Statement B is correct, A is wrong
Selina solutions for Concise Biology [English] Class 9 ICSE 11 Digestive System Short answer type [Page 115]
What is digestion? Why do only animals require a digestive system?
What are the end products of the digestion of: starch, proteins and fats respectively?
Why is there no enzyme to digest vitamins?
How is thorough chewing of food helpful in digestion?
What is the function of rectum?
What is roughage? Give two examples.
Mention two ways in which the ileum of the mammal is adapted for the absorption of digested food.
The stomach secretes gastric juice, which contains hydrochloric acid. What is its function?
Selina solutions for Concise Biology [English] Class 9 ICSE 11 Digestive System Long answer type [Page 115]
Prepare a possible vegetarian menu for your dinner which would provide all the necessary nutrients.
What are the main characteristics of enzyme?
Why is the small intestine the most important organ of the digestive system?
How is the liver an important organ in our body?
Define the following terms :
Peristalsis
Define the following term :
Omnivore
Define the following term :
Pylorus
Define the following term:
Kilocalorie
Define the following term:
Assimilation
List the enzymes and their action on food in the stomach and intestine.
Give any four reasons why water is necessary in our body.
You have been supplied with a sample of food. How will you perform tests for the presence of starch and proteins on it?
Selina solutions for Concise Biology [English] Class 9 ICSE 11 Digestive System Structured/Application/Skill type [Page 116]
Draw a labelled diagram to show the internal structure of a mammalian tooth with two roots.
Try to swallow the saliva in your mouth, and feel with your hand your neck. What happens in the neck?
Complete the following table by filling in the blanks 1 to 8.
|
Organ |
Enzyme |
Food acted upon |
Find product |
|
1 |
Pepsin |
2 |
3 |
| Mouth | 4 | 5 | Disaccharide |
|
6 |
7 |
Maltose |
8 |
Study the diagram given below and then answer the question that follows:
Name the parts labelled 1, 2, 3, 4, 5 and 6.
Study the diagram given below and then answer the question that follows:
Identify the tooth and give a reason to support your answer.
Study the diagram given below and then answer the question that follows:
Describe the structure of the part labelled '3'.
Study the diagram given below and then answer the question that follows:
Give the total number of the type of tooth mentioned in '1' above, in the mouth of an adult and state its function.
Study the following dental formula and then answer the question that follow:
`"i" 3/4 "c" 0/0 "pm" 0/1 "m" 1/1`
State the total number of teeth present in the dentition.
Study the following dental formula and then answer the question that follow:
`"i" 3/4 "c" 0/0 "pm" 0/1 "m" 1/1`
Is the dentition that of a carnivore or herbivore? Give a reason to support your answer.
Study the following dental formula and then answer the question that follow:
`"i" 3/4 "c" 0/0 "pm" 0/1 "m" 1/1`
Name an animal possessing such a dentition.
Study the Following Dental Formula and Then Answer the Question that Follow:
`"i" 3/4 "c" 0/0 "pm" 0/1 "m" 1/1`
Give the dental formula of an adult human being.
Solutions for 11: Digestive System
Selina solutions for Concise Biology [English] Class 9 ICSE chapter 11 - Digestive System
Shaalaa.com has the CISCE Mathematics Concise Biology [English] Class 9 ICSE CISCE 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. Selina solutions for Mathematics Concise Biology [English] Class 9 ICSE CISCE 11 (Digestive System) 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. Selina textbook solutions can be a core help for self-study and provide excellent self-help guidance for students.
Concepts covered in Concise Biology [English] Class 9 ICSE chapter 11 Digestive System are Human Digestive System, Need for Digestive System, The Mouth and Buccal Cavity, The Teeth and Its Structure, The Salivary Glands, Swallowing and Peristalsis, The Food Pipe/Oesophagus, The Stomach, The Small Intestine, Pancreas, Absorption of Food, The Large Intestine, Assimilation of Food, Liver, Experiments on Digestion, Test for Carbohydrates/Starch, Test for Fats, Test for Protein.
Using Selina Concise Biology [English] Class 9 ICSE solutions Digestive System 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 Selina Solutions are essential questions that can be asked in the final exam. Maximum CISCE Concise Biology [English] Class 9 ICSE students prefer Selina Textbook Solutions to score more in exams.
Get the free view of Chapter 11, Digestive System Concise Biology [English] Class 9 ICSE additional questions for Mathematics Concise Biology [English] Class 9 ICSE CISCE, and you can use Shaalaa.com to keep it handy for your exam preparation.
