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Selina solutions for Concise Biology [English] Class 7 ICSE chapter 7 - Allergy [Latest edition]

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Selina solutions for Concise Biology [English] Class 7 ICSE chapter 7 - Allergy - Shaalaa.com
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Solutions for Chapter 7: Allergy

Below listed, you can find solutions for Chapter 7 of CISCE Selina for Concise Biology [English] Class 7 ICSE.


Review questionsMultiple choice questionsShort answer questionsShort answer questionsShort answer questionsShort answer questionsLong answer questions
Review questions

Selina solutions for Concise Biology [English] Class 7 ICSE 7 Allergy Review questions

1

Define the term “allergy”.

2

Name the inflammatory chemical released by the basophils causing skin reaction and construction of the bronchioles.

3

How the allergy-causing chemical is naturally removed from the body?

4

Match the items given under column I with those given under column II. 

  Column A   Column B 
1 Dust allergy  a.  Nuts 
2 food allergy  b. Pollen 
3 Seasonal allergy  c.  Asthma
5

Name any three routes of which allergens normally enter in our body.

6.1

What are allergens?

6.2

Name any three allergens.

7

Name the two tests generally used to diagnose allergy and describe any one of them.

8

Which test is mostly favoured for testing allergy, prick test, or blood test? Why? 

Multiple choice questions

Selina solutions for Concise Biology [English] Class 7 ICSE 7 Allergy Multiple choice questions

1.1

Put a tick mark (✓) against the correct alternative in the following statement: 

 Hay fever and asthma are

  • Deficiency diseases

  • Genetic diseases

  • Organic diseases

  • Allergy diseases 

1.2

Put a tick mark (✓) against the correct alternative in the following statement: 

Cataract is a disease of:

  • Ears

  • Nose

  • Eyes

  • Throat 

1.3

Put a tick mark (✓) against the correct alternative in the following statement: 

 Infectious diseases can be prevented by:

  • Medicines

  • Proper food

  • Immunisation

  • Exercise 

1.4

Put a tick mark (✓) against the correct alternative in the following statement: 

 Which one of the following is a genetic disease?

  • Scurvy

  • Leukemia

  • Goitre

  • Haemophilia  

1.5

Put a tick mark (✓) against the correct alternative in the following statement: 

Which one of the following is a degenerative disease?

  • Thalassemia

  • Beri-beri

  • Cataract

  • Diabetes

1.6

Put a tick mark (✓) against the correct alternative in the following statement:  

Pellagra is one disease caused by the deficiency of:

  • Vit.B3

  • Vit.B1 

  • Vit. C

  • Vit. D

1.7

Put a tick mark (✓) against the correct alternative in the following statement: 

 Deficiency of Iodine in one’s food can cause : 

  • Beri-beri

  • Goitre

  • Scurvy

  • Pellagra 

Short answer questions

Selina solutions for Concise Biology [English] Class 7 ICSE 7 Allergy Short answer questions

1

What is a non-communicable disease?

2

What is a deficiency disease?

3

What are communicable diseases? How can they be avoided? 

4

Biting nails should be strictly avoided. Give reason. 

5

Regular exercise and proper rest is a must. Give reason.

6

Children eating more of fast food tend to suffer from obesity (overweight). Comment.

7

Define the term “allergy”.

8

Name the inflammatory chemical released by the basophils causing skin reaction and construction of the bronchioles.

9

How the allergy-causing chemical is naturally removed from the body?

Short answer questions

Selina solutions for Concise Biology [English] Class 7 ICSE 7 Allergy Short answer questions

1

Name the following: 

A viral disease caused due to unhealthy sexual contact

2

Name the following: 

A bacterial disease caused due to contaminated water

3

Name the following: 

A disease caused due to Plasmodium

4

Name the following:  

A disease caused due to the bite of female Culex mosquito

5

Name the following: 

A viral disease caused by the bite of a dog

Short answer questions

Selina solutions for Concise Biology [English] Class 7 ICSE 7 Allergy Short answer questions

1

Write short (1-2 sentences) note on the following:   

Disease

2

Write short (1-2 sentences) note on the following: 

Immunisation 

3

Write short (1-2 sentences) note on the following:  

Allergy

4

Write short (1-2 sentences) notes on the following: 

AID'S

Short answer questions

Selina solutions for Concise Biology [English] Class 7 ICSE 7 Allergy Short answer questions

1

Find the odd one out: 

Typhoid, cholera, jaundice, tuberculosis, tetanus.

2

Find the odd one out: 

Cold, AIDS, plague, malaria, measles.

3

Find the odd one out: 

Scurvy, rickets, haemophilia, pellagra, night blindness.

4

Find the odd one out: 

Proteins, carbohydrates, fats, minerals, cancer 

Long answer questions

Selina solutions for Concise Biology [English] Class 7 ICSE 7 Allergy Long answer questions

1.1

What is vaccination? 

1.2

Mention the four ways in which vaccines are prepared, giving the name of one disease for which each type of vaccine is used. 

2

Name the tests generally used to diagnose allergy and describe any one of them.

Solutions for 7: Allergy

Review questionsMultiple choice questionsShort answer questionsShort answer questionsShort answer questionsShort answer questionsLong answer questions
Selina solutions for Concise Biology [English] Class 7 ICSE chapter 7 - Allergy - Shaalaa.com

Selina solutions for Concise Biology [English] Class 7 ICSE chapter 7 - Allergy

Shaalaa.com has the CISCE Mathematics Concise Biology [English] Class 7 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 7 ICSE CISCE 7 (Allergy) 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 7 ICSE chapter 7 Allergy are Entry Routes of Allergies, Signs and Symptoms of Allergies, Types of Allergies, Some Common Allergic Reactions, Precautions and Care for Prone to Allergies.

Using Selina Concise Biology [English] Class 7 ICSE solutions Allergy 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 7 ICSE students prefer Selina Textbook Solutions to score more in exams.

Get the free view of Chapter 7, Allergy Concise Biology [English] Class 7 ICSE additional questions for Mathematics Concise Biology [English] Class 7 ICSE CISCE, and you can use Shaalaa.com to keep it handy for your exam preparation.

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